Java/J2EE/iBatis
Содержание
- 1 Define Result Class
- 2 Delete By ID
- 3 Get List Of Objects
- 4 Get Object From iBatis
- 5 Hard Code Constant In SQL
- 6 iBatis Development Environment Setup
- 7 iBatis JPetStore 5.0
- 8 Insert Into Database
- 9 Set Cache Mode
- 10 String Parameter
- 11 Update Object
- 12 Use Like in where clause
- 13 Use Map To Pass In Two String Parameter
- 14 Use Order By clause
- 15 User Object As Parameter
Define Result Class
<source lang="java">
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="myResult" class="AccountResult"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> </resultMap> <select id="getByLike" resultClass="AccountResult" parameterClass="Account"> select ACC_ID as id, ACC_FIRST_NAME as firstName from ACCOUNT where ACC_EMAIL = #emailAddress# and ACC_LAST_NAME = #lastName# </select>
<insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert>
</sqlMap>
File: AccountResult.java
public class AccountResult {
private int id; private String firstName;
public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; }
}
File: Main.java import java.util.List; import com.ibatis.sqlmap.client.SqlMapClient; public class Main {
public static void main(String[] a) throws Exception { Util util = new Util(); util .executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); util.executeSQLCommand("create table Message(Message_ID int, content varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); List list = sqlMapper.queryForList("getByLike", account); System.out.println(((AccountResult)list.get(0)).getFirstName()); }
}
File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
</source>
Delete By ID
<source lang="java">
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="AccountResult" class="Account"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> <result property="lastName" column="ACC_LAST_NAME"/> <result property="emailAddress" column="ACC_EMAIL"/> </resultMap> <select id="selectAllAccounts" resultMap="AccountResult"> select * from ACCOUNT </select> <select id="selectAccountById" parameterClass="int" resultClass="Account"> select ACC_ID as id, ACC_FIRST_NAME as firstName, ACC_LAST_NAME as lastName, ACC_EMAIL as emailAddress from ACCOUNT where ACC_ID = #id# </select> <insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert> <update id="updateAccount" parameterClass="Account"> update ACCOUNT set ACC_FIRST_NAME = #firstName#, ACC_LAST_NAME = #lastName#, ACC_EMAIL = #emailAddress# where ACC_ID = #id# </update> <delete id="deleteAccountById" parameterClass="int"> delete from ACCOUNT where ACC_ID = #id# </delete>
</sqlMap>
File: Main.java import java.util.List; import com.ibatis.sqlmap.client.SqlMapClient; public class Main{
public static void main(String[] a) throws Exception{ Util util = new Util(); util.executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); sqlMapper.delete("deleteAccountById", 1); util.checkData("select * from account");
}
} File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
</source>
Get List Of Objects
<source lang="java">
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="AccountResult" class="Account"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> <result property="lastName" column="ACC_LAST_NAME"/> <result property="emailAddress" column="ACC_EMAIL"/> </resultMap> <select id="selectAllAccounts" resultMap="AccountResult"> select * from ACCOUNT </select> <select id="selectAccountById" parameterClass="int" resultClass="Account"> select ACC_ID as id, ACC_FIRST_NAME as firstName, ACC_LAST_NAME as lastName, ACC_EMAIL as emailAddress from ACCOUNT where ACC_ID = #id# </select> <insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert> <update id="updateAccount" parameterClass="Account"> update ACCOUNT set ACC_FIRST_NAME = #firstName#, ACC_LAST_NAME = #lastName#, ACC_EMAIL = #emailAddress# where ACC_ID = #id# </update> <delete id="deleteAccountById" parameterClass="int"> delete from ACCOUNT where ACC_ID = #id# </delete>
</sqlMap> File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Main.java import java.util.List; import com.ibatis.sqlmap.client.SqlMapClient; public class Main{
public static void main(String[] a) throws Exception{ Util util = new Util(); util.executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account");
List list = sqlMapper.queryForList("selectAllAccounts"); }
} File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
</source>
Get Object From iBatis
<source lang="java">
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
} File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="AccountResult" class="Account"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> <result property="lastName" column="ACC_LAST_NAME"/> <result property="emailAddress" column="ACC_EMAIL"/> </resultMap> <select id="selectAllAccounts" resultMap="AccountResult"> select * from ACCOUNT </select> <select id="selectAccountById" parameterClass="int" resultClass="Account"> select ACC_ID as id, ACC_FIRST_NAME as firstName, ACC_LAST_NAME as lastName, ACC_EMAIL as emailAddress from ACCOUNT where ACC_ID = #id# </select> <insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert> <update id="updateAccount" parameterClass="Account"> update ACCOUNT set ACC_FIRST_NAME = #firstName#, ACC_LAST_NAME = #lastName#, ACC_EMAIL = #emailAddress# where ACC_ID = #id# </update> <delete id="deleteAccountById" parameterClass="int"> delete from ACCOUNT where ACC_ID = #id# </delete>
</sqlMap> File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Main.java import com.ibatis.sqlmap.client.SqlMapClient; public class Main{
public static void main(String[] a) throws Exception{ Util util = new Util(); util.executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account");
Account acc = (Account) sqlMapper.queryForObject("selectAccountById", 1); System.out.println(acc.getFirstName()); }
} File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
</source>
Hard Code Constant In SQL
<source lang="java">
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="AccountResult" class="Account"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> <result property="lastName" column="ACC_LAST_NAME"/> <result property="emailAddress" column="ACC_EMAIL"/> </resultMap>
<select id="getByLike" resultClass="Account"> select ACC_ID as id, ACC_FIRST_NAME as firstName, "ACC_LAST_NAME" as lastName, ACC_EMAIL as emailAddress from ACCOUNT where ACC_EMAIL like "%$value$%" </select>
<insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert>
</sqlMap> File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Main.java
import java.util.List; import com.ibatis.sqlmap.client.SqlMapClient; public class Main {
public static void main(String[] a) throws Exception { Util util = new Util(); util .executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); util.executeSQLCommand("create table Message(Message_ID int, content varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); List list = sqlMapper.queryForList("getByLike", "e"); System.out.println(((Account)list.get(0)).getLastName()); }
} File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
</source>
iBatis Development Environment Setup
<source lang="java">
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="AccountResult" class="Account"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> <result property="lastName" column="ACC_LAST_NAME"/> <result property="emailAddress" column="ACC_EMAIL"/> </resultMap> <select id="selectAllAccounts" resultMap="AccountResult"> select * from ACCOUNT </select> <select id="selectAccountById" parameterClass="int" resultClass="Account"> select ACC_ID as id, ACC_FIRST_NAME as firstName, ACC_LAST_NAME as lastName, ACC_EMAIL as emailAddress from ACCOUNT where ACC_ID = #id# </select> <insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert> <update id="updateAccount" parameterClass="Account"> update ACCOUNT set ACC_FIRST_NAME = #firstName#, ACC_LAST_NAME = #lastName#, ACC_EMAIL = #emailAddress# where ACC_ID = #id# </update> <delete id="deleteAccountById" parameterClass="int"> delete from ACCOUNT where ACC_ID = #id# </delete>
</sqlMap>
File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig> File: Main.java import com.ibatis.sqlmap.client.SqlMapClient; public class Main{
public static void main(String[] a) throws Exception{ Util util = new Util(); util.executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); }
} File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
</source>
iBatis JPetStore 5.0
<source lang="java"> Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity. "You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License. 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</source>
Insert Into Database
<source lang="java">
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="AccountResult" class="Account"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> <result property="lastName" column="ACC_LAST_NAME"/> <result property="emailAddress" column="ACC_EMAIL"/> </resultMap> <select id="selectAllAccounts" resultMap="AccountResult"> select * from ACCOUNT </select> <select id="selectAccountById" parameterClass="int" resultClass="Account"> select ACC_ID as id, ACC_FIRST_NAME as firstName, ACC_LAST_NAME as lastName, ACC_EMAIL as emailAddress from ACCOUNT where ACC_ID = #id# </select> <insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert> <update id="updateAccount" parameterClass="Account"> update ACCOUNT set ACC_FIRST_NAME = #firstName#, ACC_LAST_NAME = #lastName#, ACC_EMAIL = #emailAddress# where ACC_ID = #id# </update> <delete id="deleteAccountById" parameterClass="int"> delete from ACCOUNT where ACC_ID = #id# </delete>
</sqlMap>
File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Main.java import com.ibatis.sqlmap.client.SqlMapClient; public class Main{
public static void main(String[] a) throws Exception{ Util util = new Util(); util.executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); }
} File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
</source>
Set Cache Mode
<source lang="java">
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="AccountResult" class="Account"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> <result property="lastName" column="ACC_LAST_NAME"/> <result property="emailAddress" column="ACC_EMAIL"/> </resultMap>
<cacheModel id="categoryCache" type="LRU"> <flushInterval hours="24"/> <property name="size" value="100"/> </cacheModel> <select id="getByLike" resultClass="Account" parameterClass="Account" cacheModel="categoryCache"> select ACC_ID as id, ACC_FIRST_NAME as firstName, ACC_LAST_NAME as lastName, ACC_EMAIL as emailAddress from ACCOUNT where ACC_EMAIL = #emailAddress# and ACC_LAST_NAME = #lastName# </select>
<insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert>
</sqlMap>
File: Main.java import java.util.List; import com.ibatis.sqlmap.client.SqlMapClient; public class Main {
public static void main(String[] a) throws Exception { Util util = new Util(); util .executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); util.executeSQLCommand("create table Message(Message_ID int, content varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); List list = sqlMapper.queryForList("getByLike", account); System.out.println(((Account)list.get(0)).getLastName()); }
}
File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
</source>
String Parameter
<source lang="java">
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="myResult" class="AccountResult"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> </resultMap> <select id="getByLike" resultClass="AccountResult" parameterClass="string"> select ACC_ID as id, ACC_FIRST_NAME as firstName from ACCOUNT where ACC_EMAIL = #emailAddress# </select>
<insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert>
</sqlMap>
File: AccountResult.java
public class AccountResult {
private int id; private String firstName;
public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; }
}
File: Main.java import java.util.List; import com.ibatis.sqlmap.client.SqlMapClient; public class Main {
public static void main(String[] a) throws Exception { Util util = new Util(); util .executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); util.executeSQLCommand("create table Message(Message_ID int, content varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); List list = sqlMapper.queryForList("getByLike", "e"); System.out.println(((AccountResult)list.get(0)).getFirstName()); }
}
File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
</source>
Update Object
<source lang="java">
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="AccountResult" class="Account"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> <result property="lastName" column="ACC_LAST_NAME"/> <result property="emailAddress" column="ACC_EMAIL"/> </resultMap> <select id="selectAllAccounts" resultMap="AccountResult"> select * from ACCOUNT </select> <select id="selectAccountById" parameterClass="int" resultClass="Account"> select ACC_ID as id, ACC_FIRST_NAME as firstName, ACC_LAST_NAME as lastName, ACC_EMAIL as emailAddress from ACCOUNT where ACC_ID = #id# </select> <insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert> <update id="updateAccount" parameterClass="Account"> update ACCOUNT set ACC_FIRST_NAME = #firstName#, ACC_LAST_NAME = #lastName#, ACC_EMAIL = #emailAddress# where ACC_ID = #id# </update> <delete id="deleteAccountById" parameterClass="int"> delete from ACCOUNT where ACC_ID = #id# </delete>
</sqlMap>
File: Main.java import java.util.List; import com.ibatis.sqlmap.client.SqlMapClient; public class Main{
public static void main(String[] a) throws Exception{ Util util = new Util(); util.executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); account.setEmailAddress("new"); sqlMapper.update("updateAccount", account); util.checkData("select * from account");
}
}
File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
</source>
Use Like in where clause
<source lang="java">
File: Main.java import java.util.List; import com.ibatis.sqlmap.client.SqlMapClient; public class Main{
public static void main(String[] a) throws Exception{ Util util = new Util(); util.executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); List list = sqlMapper.queryForList("getByLike", "e"); System.out.println(list.size());
}
}
File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="AccountResult" class="Account"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> <result property="lastName" column="ACC_LAST_NAME"/> <result property="emailAddress" column="ACC_EMAIL"/> </resultMap>
<select id="getByLike" resultClass="Account"> select ACC_ID as id, ACC_FIRST_NAME as firstName, ACC_LAST_NAME as lastName, ACC_EMAIL as emailAddress from ACCOUNT where ACC_EMAIL like "%$value$%" </select>
<insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert>
</sqlMap>
</source>
Use Map To Pass In Two String Parameter
<source lang="java">
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="myResult" class="AccountResult"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> </resultMap> <select id="getByLike" resultClass="AccountResult" parameterClass="map"> select ACC_ID as id, ACC_FIRST_NAME as firstName from ACCOUNT where ACC_EMAIL = #emailAddress# </select>
<insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert>
</sqlMap>
File: AccountResult.java
public class AccountResult {
private int id; private String firstName;
public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; }
}
File: Main.java import java.util.HashMap; import java.util.List; import java.util.Map; import com.ibatis.sqlmap.client.SqlMapClient; public class Main {
public static void main(String[] a) throws Exception { Util util = new Util(); util .executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); util.executeSQLCommand("create table Message(Message_ID int, content varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); Map<String, String> map = new HashMap<String, String>(); map.put("emailAddress","e"); List list = sqlMapper.queryForList("getByLike", map); System.out.println(((AccountResult)list.get(0)).getFirstName()); }
}
File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
</source>
Use Order By clause
<source lang="java">
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="myResult" class="AccountResult"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> </resultMap> <select id="getByLike" resultClass="AccountResult" parameterClass="Account"> select ACC_ID as id, ACC_FIRST_NAME as firstName from ACCOUNT where ACC_EMAIL = #emailAddress# and ACC_LAST_NAME = #lastName# ORDER BY ACC_FIRST_NAME </select>
<insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert>
</sqlMap>
File: AccountResult.java
public class AccountResult {
private int id; private String firstName;
public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; }
}
File: Main.java import java.util.List; import com.ibatis.sqlmap.client.SqlMapClient; public class Main {
public static void main(String[] a) throws Exception { Util util = new Util(); util .executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); util.executeSQLCommand("create table Message(Message_ID int, content varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); List list = sqlMapper.queryForList("getByLike", account); System.out.println(((AccountResult)list.get(0)).getFirstName()); }
}
File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
</source>
User Object As Parameter
<source lang="java">
File: Account.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap
PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="Account">
<typeAlias alias="Account" type="Account"/> <resultMap id="AccountResult" class="Account"> <result property="id" column="ACC_ID"/> <result property="firstName" column="ACC_FIRST_NAME"/> <result property="lastName" column="ACC_LAST_NAME"/> <result property="emailAddress" column="ACC_EMAIL"/> </resultMap>
<select id="getByLike" resultClass="Account" parameterClass="Account"> select ACC_ID as id, ACC_FIRST_NAME as firstName, ACC_LAST_NAME as lastName, ACC_EMAIL as emailAddress from ACCOUNT where ACC_EMAIL = #emailAddress# and ACC_LAST_NAME = #lastName# </select>
<insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( ACC_ID, ACC_FIRST_NAME, ACC_LAST_NAME, ACC_EMAIL )values ( #id#, #firstName#, #lastName#, #emailAddress# ) </insert>
</sqlMap>
File: Main.java import java.util.List; import com.ibatis.sqlmap.client.SqlMapClient; public class Main {
public static void main(String[] a) throws Exception { Util util = new Util(); util .executeSQLCommand("create table ACCOUNT(ACC_ID int, ACC_FIRST_NAME varchar,ACC_LAST_NAME varchar,ACC_EMAIL varchar);"); util.executeSQLCommand("create table Message(Message_ID int, content varchar);"); SqlMapClient sqlMapper = util.getSqlMapClient(); Account account = new Account(); account.setId(1); account.setEmailAddress("e"); account.setFirstName("first"); account.setLastName("last"); sqlMapper.insert("insertAccount", account); util.checkData("select * from account"); List list = sqlMapper.queryForList("getByLike", account); System.out.println(((Account)list.get(0)).getLastName()); }
}
File: SqlMapConfig.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMapConfig
PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<transactionManager type="JDBC" commitRequired="false"> <dataSource type="SIMPLE"> <property name="JDBC.Driver" value="org.hsqldb.jdbcDriver"/> <property name="JDBC.ConnectionURL" value="jdbc:hsqldb:data/tutorial"/> <property name="JDBC.Username" value="sa"/> <property name="JDBC.Password" value=""/> </dataSource> </transactionManager> <sqlMap resource="Account.xml"/>
</sqlMapConfig>
File: Util.java import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.Statement; import com.ibatis.rumon.resources.Resources; import com.ibatis.sqlmap.client.SqlMapClient; import com.ibatis.sqlmap.client.SqlMapClientBuilder; public class Util {
Statement st; public Util() throws Exception{ // Load the JDBC driver. Class.forName("org.hsqldb.jdbcDriver"); System.out.println("Driver Loaded."); // Establish the connection to the database. String url = "jdbc:hsqldb:data/tutorial"; Connection conn = DriverManager.getConnection(url, "sa", ""); System.out.println("Got Connection."); st = conn.createStatement(); } public SqlMapClient getSqlMapClient() throws Exception{ Reader reader = Resources.getResourceAsReader("SqlMapConfig.xml"); SqlMapClient sqlMapper = SqlMapClientBuilder.buildSqlMapClient(reader); reader.close(); return sqlMapper; } public void executeSQLCommand(String sql) throws Exception { st.executeUpdate(sql); } public void checkData(String sql) throws Exception { ResultSet rs = st.executeQuery(sql); ResultSetMetaData metadata = rs.getMetaData(); for (int i = 0; i < metadata.getColumnCount(); i++) { System.out.print("\t"+ metadata.getColumnLabel(i + 1)); } System.out.println("\n----------------------------------"); while (rs.next()) { for (int i = 0; i < metadata.getColumnCount(); i++) { Object value = rs.getObject(i + 1); if (value == null) { System.out.print("\t "); } else { System.out.print("\t"+value.toString().trim()); } } System.out.println(""); } }
}
File: Account.java
public class Account {
private int id; private String firstName; private String lastName; private String emailAddress; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; }
}
</source>