Java by API/javax.sql.rowset/CacheRowSet
Содержание
- 1 CachedRowSet: acceptChanges()
- 2 CachedRowSet: close()
- 3 CachedRowSet: execute()
- 4 CachedRowSet: setCommand(String cmd)
- 5 CachedRowSet: setMetaData(RowSetMetaData md)
- 6 CachedRowSet: setPassword(String password)
- 7 CachedRowSet: setString(int parameterIndex, String x)
- 8 CachedRowSet: setUrl(String url)
- 9 CachedRowSet: setUsername(String name)
- 10 CachedRowSet: updateRow()
- 11 com.sun.rowset.CachedRowSetImpl
CachedRowSet: acceptChanges()
import javax.sql.rowset.CachedRowSet;
public class Main {
public static void main(String[] args) throws Exception {
CachedRowSet rs;
String ROWSET_IMPL_CLASS = "com.sun.rowset.CachedRowSetImpl";
Class c = Class.forName(ROWSET_IMPL_CLASS);
rs = (CachedRowSet) c.newInstance();
rs.setUrl("jdbc:postgresql:dbname");
rs.setUsername("username");
rs.setPassword("password");
rs.setCommand("select * from members where name like ?");
rs.setString(1, "I%");
rs.execute();
while (rs.next()) {
if (rs.getInt("id") == 42) {
rs.setString(1, "newString");
rs.updateRow(); // Normal JDBC
rs.acceptChanges();
}
}
rs.close();
}
}
CachedRowSet: close()
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import javax.sql.rowset.CachedRowSet;
/**
* Demonstrate simple use of the CachedRowSet. The RowSet family of interfaces
* is in JDK1.5, but the Implementation classes are (as of Beta 1) still in the
* unsupported "com.sun" package.
*/
public class Main {
public static final String ROWSET_IMPL_CLASS = "com.sun.rowset.CachedRowSetImpl";
public static void main(String[] args) throws Exception {
CachedRowSet rs;
// Create the class with class.forName to avoid importing
// from the unsupported com.sun packages.
Class c = Class.forName(ROWSET_IMPL_CLASS);
rs = (CachedRowSet) c.newInstance();
rs.setUrl("jdbc:postgresql:tmclub");
rs.setUsername("ian");
rs.setPassword("secret");
rs.setCommand("select * from members where name like ?");
rs.setString(1, "I%");
// This will cause the RowSet to connect, fetch its data, and
// disconnect
rs.execute();
// Some time later, the client tries to do something.
// Suppose we want to update data:
while (rs.next()) {
if (rs.getInt("id") == 42) {
rs.setString(1, "Marvin");
rs.updateRow(); // Normal JDBC
// This additional call tells the CachedRowSet to connect
// to its database and send the updated data back.
rs.acceptChanges();
}
}
// If we"re all done...
rs.close();
}
}
CachedRowSet: execute()
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import javax.sql.rowset.CachedRowSet;
/**
* Demonstrate simple use of the CachedRowSet. The RowSet family of interfaces
* is in JDK1.5, but the Implementation classes are (as of Beta 1) still in the
* unsupported "com.sun" package.
*/
public class Main {
public static final String ROWSET_IMPL_CLASS = "com.sun.rowset.CachedRowSetImpl";
public static void main(String[] args) throws Exception {
CachedRowSet rs;
// Create the class with class.forName to avoid importing
// from the unsupported com.sun packages.
Class c = Class.forName(ROWSET_IMPL_CLASS);
rs = (CachedRowSet) c.newInstance();
rs.setUrl("jdbc:postgresql:tmclub");
rs.setUsername("ian");
rs.setPassword("secret");
rs.setCommand("select * from members where name like ?");
rs.setString(1, "I%");
// This will cause the RowSet to connect, fetch its data, and
// disconnect
rs.execute();
// Some time later, the client tries to do something.
// Suppose we want to update data:
while (rs.next()) {
if (rs.getInt("id") == 42) {
rs.setString(1, "Marvin");
rs.updateRow(); // Normal JDBC
// This additional call tells the CachedRowSet to connect
// to its database and send the updated data back.
rs.acceptChanges();
}
}
// If we"re all done...
rs.close();
}
}
CachedRowSet: setCommand(String cmd)
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import javax.sql.rowset.CachedRowSet;
/**
* Demonstrate simple use of the CachedRowSet. The RowSet family of interfaces
* is in JDK1.5, but the Implementation classes are (as of Beta 1) still in the
* unsupported "com.sun" package.
*/
public class Main {
public static final String ROWSET_IMPL_CLASS = "com.sun.rowset.CachedRowSetImpl";
public static void main(String[] args) throws Exception {
CachedRowSet rs;
// Create the class with class.forName to avoid importing
// from the unsupported com.sun packages.
Class c = Class.forName(ROWSET_IMPL_CLASS);
rs = (CachedRowSet) c.newInstance();
rs.setUrl("jdbc:postgresql:tmclub");
rs.setUsername("ian");
rs.setPassword("secret");
rs.setCommand("select * from members where name like ?");
rs.setString(1, "I%");
// This will cause the RowSet to connect, fetch its data, and
// disconnect
rs.execute();
// Some time later, the client tries to do something.
// Suppose we want to update data:
while (rs.next()) {
if (rs.getInt("id") == 42) {
rs.setString(1, "Marvin");
rs.updateRow(); // Normal JDBC
// This additional call tells the CachedRowSet to connect
// to its database and send the updated data back.
rs.acceptChanges();
}
}
// If we"re all done...
rs.close();
}
}
CachedRowSet: setMetaData(RowSetMetaData md)
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.sql.Types;
import javax.sql.RowSetMetaData;
import javax.sql.rowset.CachedRowSet;
import javax.sql.rowset.RowSetMetaDataImpl;
import com.sun.rowset.CachedRowSetImpl;
public class Main {
public static void main(String[] args) throws Exception {
Connection conn = getHSQLConnection();
System.out.println("Got Connection.");
Statement st = conn.createStatement();
st.executeUpdate("create table survey (id int,name varchar);");
st.executeUpdate("create view surveyView as (select * from survey);");
st.executeUpdate("insert into survey (id,name ) values (1,"nameValue")");
st.executeUpdate("insert into survey (id,name ) values (2,"anotherValue")");
CachedRowSet crs = null;
RowSetMetaData rsMD = new RowSetMetaDataImpl();
rsMD.setColumnCount(2);
rsMD.setColumnName(1, "id");
rsMD.setColumnType(1, Types.VARCHAR);
rsMD.setColumnName(2, "name");
rsMD.setColumnType(2, Types.VARCHAR);
// sets the designated column"s table name, if any, to the given String.
rsMD.setTableName(1, "survey");
rsMD.setTableName(2, "survey");
// use a custom made RowSetMetaData object for CachedRowSet object
crs = new CachedRowSetImpl();
crs.setMetaData(rsMD);
crs.moveToInsertRow();
crs.updateString(1, "1111");
crs.updateString(2, "alex");
crs.insertRow();
crs.moveToInsertRow();
crs.updateString(1, "2222");
crs.updateString(2, "jane");
crs.insertRow();
crs.moveToCurrentRow();
crs.acceptChanges(conn);
conn.close();
}
private static Connection getHSQLConnection() throws Exception {
Class.forName("org.hsqldb.jdbcDriver");
System.out.println("Driver Loaded.");
String url = "jdbc:hsqldb:data/tutorial";
return DriverManager.getConnection(url, "sa", "");
}
public static Connection getMySqlConnection() throws Exception {
String driver = "org.gjt.mm.mysql.Driver";
String url = "jdbc:mysql://localhost/demo2s";
String username = "oost";
String password = "oost";
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
public static Connection getOracleConnection() throws Exception {
String driver = "oracle.jdbc.driver.OracleDriver";
String url = "jdbc:oracle:thin:@localhost:1521:caspian";
String username = "mp";
String password = "mp2";
Class.forName(driver); // load Oracle driver
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
}
CachedRowSet: setPassword(String password)
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import javax.sql.rowset.CachedRowSet;
/**
* Demonstrate simple use of the CachedRowSet. The RowSet family of interfaces
* is in JDK1.5, but the Implementation classes are (as of Beta 1) still in the
* unsupported "com.sun" package.
*/
public class Main {
public static final String ROWSET_IMPL_CLASS = "com.sun.rowset.CachedRowSetImpl";
public static void main(String[] args) throws Exception {
CachedRowSet rs;
// Create the class with class.forName to avoid importing
// from the unsupported com.sun packages.
Class c = Class.forName(ROWSET_IMPL_CLASS);
rs = (CachedRowSet) c.newInstance();
rs.setUrl("jdbc:postgresql:tmclub");
rs.setUsername("ian");
rs.setPassword("secret");
rs.setCommand("select * from members where name like ?");
rs.setString(1, "I%");
// This will cause the RowSet to connect, fetch its data, and
// disconnect
rs.execute();
// Some time later, the client tries to do something.
// Suppose we want to update data:
while (rs.next()) {
if (rs.getInt("id") == 42) {
rs.setString(1, "Marvin");
rs.updateRow(); // Normal JDBC
// This additional call tells the CachedRowSet to connect
// to its database and send the updated data back.
rs.acceptChanges();
}
}
// If we"re all done...
rs.close();
}
}
CachedRowSet: setString(int parameterIndex, String x)
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import javax.sql.rowset.CachedRowSet;
/**
* Demonstrate simple use of the CachedRowSet. The RowSet family of interfaces
* is in JDK1.5, but the Implementation classes are (as of Beta 1) still in the
* unsupported "com.sun" package.
*/
public class Main {
public static final String ROWSET_IMPL_CLASS = "com.sun.rowset.CachedRowSetImpl";
public static void main(String[] args) throws Exception {
CachedRowSet rs;
// Create the class with class.forName to avoid importing
// from the unsupported com.sun packages.
Class c = Class.forName(ROWSET_IMPL_CLASS);
rs = (CachedRowSet) c.newInstance();
rs.setUrl("jdbc:postgresql:tmclub");
rs.setUsername("ian");
rs.setPassword("secret");
rs.setCommand("select * from members where name like ?");
rs.setString(1, "I%");
// This will cause the RowSet to connect, fetch its data, and
// disconnect
rs.execute();
// Some time later, the client tries to do something.
// Suppose we want to update data:
while (rs.next()) {
if (rs.getInt("id") == 42) {
rs.setString(1, "Marvin");
rs.updateRow(); // Normal JDBC
// This additional call tells the CachedRowSet to connect
// to its database and send the updated data back.
rs.acceptChanges();
}
}
// If we"re all done...
rs.close();
}
}
CachedRowSet: setUrl(String url)
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import javax.sql.rowset.CachedRowSet;
/**
* Demonstrate simple use of the CachedRowSet. The RowSet family of interfaces
* is in JDK1.5, but the Implementation classes are (as of Beta 1) still in the
* unsupported "com.sun" package.
*/
public class Main {
public static final String ROWSET_IMPL_CLASS = "com.sun.rowset.CachedRowSetImpl";
public static void main(String[] args) throws Exception {
CachedRowSet rs;
// Create the class with class.forName to avoid importing
// from the unsupported com.sun packages.
Class c = Class.forName(ROWSET_IMPL_CLASS);
rs = (CachedRowSet) c.newInstance();
rs.setUrl("jdbc:postgresql:tmclub");
rs.setUsername("ian");
rs.setPassword("secret");
rs.setCommand("select * from members where name like ?");
rs.setString(1, "I%");
// This will cause the RowSet to connect, fetch its data, and
// disconnect
rs.execute();
// Some time later, the client tries to do something.
// Suppose we want to update data:
while (rs.next()) {
if (rs.getInt("id") == 42) {
rs.setString(1, "Marvin");
rs.updateRow(); // Normal JDBC
// This additional call tells the CachedRowSet to connect
// to its database and send the updated data back.
rs.acceptChanges();
}
}
// If we"re all done...
rs.close();
}
}
CachedRowSet: setUsername(String name)
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import javax.sql.rowset.CachedRowSet;
/**
* Demonstrate simple use of the CachedRowSet. The RowSet family of interfaces
* is in JDK1.5, but the Implementation classes are (as of Beta 1) still in the
* unsupported "com.sun" package.
*/
public class Main {
public static final String ROWSET_IMPL_CLASS = "com.sun.rowset.CachedRowSetImpl";
public static void main(String[] args) throws Exception {
CachedRowSet rs;
// Create the class with class.forName to avoid importing
// from the unsupported com.sun packages.
Class c = Class.forName(ROWSET_IMPL_CLASS);
rs = (CachedRowSet) c.newInstance();
rs.setUrl("jdbc:postgresql:tmclub");
rs.setUsername("ian");
rs.setPassword("secret");
rs.setCommand("select * from members where name like ?");
rs.setString(1, "I%");
// This will cause the RowSet to connect, fetch its data, and
// disconnect
rs.execute();
// Some time later, the client tries to do something.
// Suppose we want to update data:
while (rs.next()) {
if (rs.getInt("id") == 42) {
rs.setString(1, "Marvin");
rs.updateRow(); // Normal JDBC
// This additional call tells the CachedRowSet to connect
// to its database and send the updated data back.
rs.acceptChanges();
}
}
// If we"re all done...
rs.close();
}
}
CachedRowSet: updateRow()
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import javax.sql.rowset.CachedRowSet;
/**
* Demonstrate simple use of the CachedRowSet. The RowSet family of interfaces
* is in JDK1.5, but the Implementation classes are (as of Beta 1) still in the
* unsupported "com.sun" package.
*/
public class Main {
public static final String ROWSET_IMPL_CLASS = "com.sun.rowset.CachedRowSetImpl";
public static void main(String[] args) throws Exception {
CachedRowSet rs;
// Create the class with class.forName to avoid importing
// from the unsupported com.sun packages.
Class c = Class.forName(ROWSET_IMPL_CLASS);
rs = (CachedRowSet) c.newInstance();
rs.setUrl("jdbc:postgresql:tmclub");
rs.setUsername("ian");
rs.setPassword("secret");
rs.setCommand("select * from members where name like ?");
rs.setString(1, "I%");
// This will cause the RowSet to connect, fetch its data, and
// disconnect
rs.execute();
// Some time later, the client tries to do something.
// Suppose we want to update data:
while (rs.next()) {
if (rs.getInt("id") == 42) {
rs.setString(1, "Marvin");
rs.updateRow(); // Normal JDBC
// This additional call tells the CachedRowSet to connect
// to its database and send the updated data back.
rs.acceptChanges();
}
}
// If we"re all done...
rs.close();
}
}
com.sun.rowset.CachedRowSetImpl
import javax.sql.rowset.CachedRowSet;
public class Main {
public static void main(String[] args) throws Exception {
CachedRowSet rs;
String ROWSET_IMPL_CLASS = "com.sun.rowset.CachedRowSetImpl";
Class c = Class.forName(ROWSET_IMPL_CLASS);
rs = (CachedRowSet) c.newInstance();
rs.setUrl("jdbc:postgresql:dbname");
rs.setUsername("username");
rs.setPassword("password");
rs.setCommand("select * from members where name like ?");
rs.setString(1, "I%");
rs.execute();
while (rs.next()) {
if (rs.getInt("id") == 42) {
rs.setString(1, "newString");
rs.updateRow(); // Normal JDBC
rs.acceptChanges();
}
}
rs.close();
}
}
