в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

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2010-05-31T14:31:32Z

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== JdbcRowSet: addRowSetListener(RowSetListener listener) ==



<source lang="java">

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.sql.RowSetEvent;
import javax.sql.RowSetListener;
import javax.sql.rowset.JdbcRowSet;
import com.sun.rowset.JdbcRowSetImpl;
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("insert into survey (id,name ) values (1,"nameValue")");
st.executeUpdate("insert into survey (id,name ) values (2,"anotherValue")");
JdbcRowSet jdbcRS = new JdbcRowSetImpl(conn);
jdbcRS.setType(ResultSet.TYPE_SCROLL_INSENSITIVE);
String sql = "SELECT * FROM survey";
jdbcRS.setCommand(sql);
jdbcRS.execute();
jdbcRS.addRowSetListener(new ExampleListener());
while (jdbcRS.next()) {
System.out.println("id=" + jdbcRS.getString(1));
System.out.println("name=" + jdbcRS.getString(2));
}
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:databaseName";
String username = "userName";
String password = "password";
Class.forName(driver); // load Oracle driver
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
}
class ExampleListener implements RowSetListener {
public void cursorMoved(RowSetEvent event) {
System.out.println("ExampleListener notified of cursorMoved event");
System.out.println(event.toString());
}
public void rowChanged(RowSetEvent event) {
System.out.println("ExampleListener notified of rowChanged event");
System.out.println(event.toString());
}
public void rowSetChanged(RowSetEvent event) {
System.out.println("ExampleListener notified of rowSetChanged event");
System.out.println(event.toString());
}
}

</source>



== JdbcRowSet: execute() ==



<source lang="java">

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.sql.RowSetEvent;
import javax.sql.RowSetListener;
import javax.sql.rowset.JdbcRowSet;
import com.sun.rowset.JdbcRowSetImpl;
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("insert into survey (id,name ) values (1,"nameValue")");
st.executeUpdate("insert into survey (id,name ) values (2,"anotherValue")");
JdbcRowSet jdbcRS = new JdbcRowSetImpl(conn);
jdbcRS.setType(ResultSet.TYPE_SCROLL_INSENSITIVE);
String sql = "SELECT * FROM survey";
jdbcRS.setCommand(sql);
jdbcRS.execute();
jdbcRS.addRowSetListener(new ExampleListener());
while (jdbcRS.next()) {
System.out.println("id=" + jdbcRS.getString(1));
System.out.println("name=" + jdbcRS.getString(2));
}
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:databaseName";
String username = "userName";
String password = "password";
Class.forName(driver); // load Oracle driver
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
}
class ExampleListener implements RowSetListener {
public void cursorMoved(RowSetEvent event) {
System.out.println("ExampleListener notified of cursorMoved event");
System.out.println(event.toString());
}
public void rowChanged(RowSetEvent event) {
System.out.println("ExampleListener notified of rowChanged event");
System.out.println(event.toString());
}
public void rowSetChanged(RowSetEvent event) {
System.out.println("ExampleListener notified of rowSetChanged event");
System.out.println(event.toString());
}
}

</source>



== JdbcRowSet: setCommand(String cmd) ==



<source lang="java">

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.sql.RowSetEvent;
import javax.sql.RowSetListener;
import javax.sql.rowset.JdbcRowSet;
import com.sun.rowset.JdbcRowSetImpl;
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("insert into survey (id,name ) values (1,"nameValue")");
st.executeUpdate("insert into survey (id,name ) values (2,"anotherValue")");
JdbcRowSet jdbcRS = new JdbcRowSetImpl(conn);
jdbcRS.setType(ResultSet.TYPE_SCROLL_INSENSITIVE);
String sql = "SELECT * FROM survey";
jdbcRS.setCommand(sql);
jdbcRS.execute();
jdbcRS.addRowSetListener(new ExampleListener());
while (jdbcRS.next()) {
System.out.println("id=" + jdbcRS.getString(1));
System.out.println("name=" + jdbcRS.getString(2));
}
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:databaseName";
String username = "userName";
String password = "password";
Class.forName(driver); // load Oracle driver
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
}
class ExampleListener implements RowSetListener {
public void cursorMoved(RowSetEvent event) {
System.out.println("ExampleListener notified of cursorMoved event");
System.out.println(event.toString());
}
public void rowChanged(RowSetEvent event) {
System.out.println("ExampleListener notified of rowChanged event");
System.out.println(event.toString());
}
public void rowSetChanged(RowSetEvent event) {
System.out.println("ExampleListener notified of rowSetChanged event");
System.out.println(event.toString());
}
}

</source>



== JdbcRowSet: setType(int type) ==



<source lang="java">

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.sql.RowSetEvent;
import javax.sql.RowSetListener;
import javax.sql.rowset.JdbcRowSet;
import com.sun.rowset.JdbcRowSetImpl;
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("insert into survey (id,name ) values (1,"nameValue")");
st.executeUpdate("insert into survey (id,name ) values (2,"anotherValue")");
JdbcRowSet jdbcRS = new JdbcRowSetImpl(conn);
jdbcRS.setType(ResultSet.TYPE_SCROLL_INSENSITIVE);
String sql = "SELECT * FROM survey";
jdbcRS.setCommand(sql);
jdbcRS.execute();
jdbcRS.addRowSetListener(new ExampleListener());
while (jdbcRS.next()) {
System.out.println("id=" + jdbcRS.getString(1));
System.out.println("name=" + jdbcRS.getString(2));
}
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:databaseName";
String username = "userName";
String password = "password";
Class.forName(driver); // load Oracle driver
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
}
class ExampleListener implements RowSetListener {
public void cursorMoved(RowSetEvent event) {
System.out.println("ExampleListener notified of cursorMoved event");
System.out.println(event.toString());
}
public void rowChanged(RowSetEvent event) {
System.out.println("ExampleListener notified of rowChanged event");
System.out.println(event.toString());
}
public void rowSetChanged(RowSetEvent event) {
System.out.println("ExampleListener notified of rowSetChanged event");
System.out.println(event.toString());
}
}

</source>

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в 17:43, 31 мая 2010

Admin: 1 версия