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package com.sun.messaging.jmq.jmsserver.persist.jdbc.ext;
import java.util.*;
import java.sql.*;
import com.sun.messaging.jmq.util.log.Logger;
import com.sun.messaging.jmq.io.Status;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
import com.sun.messaging.jmq.jmsserver.util.StoreBeingTakenOverException;
import com.sun.messaging.jmq.jmsserver.resources.BrokerResources;
import com.sun.messaging.jmq.jmsserver.persist.jdbc.DBManager;
import com.sun.messaging.jmq.jmsserver.persist.jdbc.BaseDAOImpl;
import com.sun.messaging.jmq.jmsserver.persist.jdbc.Util;
import com.sun.messaging.bridge.service.DupKeyException;
import com.sun.messaging.bridge.service.KeyNotFoundException;
/**
* @author amyk
*/
public class JMSBGDAOImpl extends BaseDAOImpl implements JMSBGDAO {
private String tableName = null;
protected String insertSQL;
protected String updateBrokerIdSQL;
protected String deleteSQL;
protected String selectBrokerIdSQL;
protected String selectUpdatedTimeSQL;
protected String selectCreatedTimeSQL;
protected String selectNamesByBrokerIdSQL;
/**
*/
public JMSBGDAOImpl() throws BrokerException {
DBManager dbMgr = DBManager.getDBManager();
tableName = dbMgr.getTableName(TABLE_NAME_PREFIX);
insertSQL = new StringBuffer(128)
.append( "INSERT INTO " ).append( tableName )
.append( " ( " )
.append( NAME_COLUMN ).append( ", " )
.append( BROKER_ID_COLUMN ).append( ", " )
.append( CREATED_TS_COLUMN ).append( ", " )
.append( UPDATED_TS_COLUMN )
.append( ") VALUES ( ?, ?, ?, ?)" )
.toString();
updateBrokerIdSQL = new StringBuffer(128)
.append( "UPDATE " ).append( tableName )
.append( " SET " )
.append( BROKER_ID_COLUMN ).append( " = ?, " )
.append( UPDATED_TS_COLUMN ).append( " = ? " )
.append( " WHERE " )
.append( NAME_COLUMN ).append( " = ?" )
.append( " AND " )
.append( BROKER_ID_COLUMN ).append( " = ?" )
.append( Util.brokerNotTakenOverClause(dbMgr) )
.toString();
deleteSQL = new StringBuffer(128)
.append( "DELETE FROM " ).append( tableName )
.append( " WHERE " )
.append( NAME_COLUMN ).append( " = ?" )
.append( " AND " )
.append( BROKER_ID_COLUMN ).append( " = ?" )
.toString();
selectBrokerIdSQL = new StringBuffer(128)
.append( "SELECT " )
.append( BROKER_ID_COLUMN )
.append( " FROM " ).append( tableName )
.append( " WHERE " )
.append( NAME_COLUMN ).append( " = ?" )
.toString();
selectUpdatedTimeSQL = new StringBuffer(128)
.append( "SELECT " )
.append( UPDATED_TS_COLUMN )
.append( " FROM " ).append( tableName )
.append( " WHERE " )
.append( NAME_COLUMN ).append( " = ?" )
.toString();
selectCreatedTimeSQL = new StringBuffer(128)
.append( "SELECT " )
.append( CREATED_TS_COLUMN )
.append( " FROM " ).append( tableName )
.append( " WHERE " )
.append( NAME_COLUMN ).append( " = ?" )
.toString();
selectNamesByBrokerIdSQL = new StringBuffer(128)
.append( "SELECT " )
.append( NAME_COLUMN )
.append( " FROM " ).append( tableName )
.append( " WHERE " )
.append( BROKER_ID_COLUMN ).append( " = ?" )
.toString();
}
/**
*/
public final String getTableNamePrefix() {
return TABLE_NAME_PREFIX;
}
/**
*/
public String getTableName() {
return tableName;
}
/**
* @param conn database connection
* @param name to identify the TM
* @param logger_ can be null
* @throws DupKeyException if already exist
* else Exception on error
*/
public void insert(Connection conn,
String name,
java.util.logging.Logger logger_)
throws DupKeyException, Exception {
Connection myconn = null;
PreparedStatement pstmt = null;
Exception myex = null;
try {
DBManager dbMgr = DBManager.getDBManager();
if (conn == null) {
conn = dbMgr.getConnection(true);
myconn = conn;
}
try {
pstmt = conn.prepareStatement(insertSQL);
pstmt.setString(1, name);
pstmt.setString(2, dbMgr.getBrokerID());
pstmt.setLong(3, System.currentTimeMillis());
pstmt.setLong(4, 0L);
pstmt.executeUpdate();
} catch (Exception e) {
myex = e;
try {
if ((conn != null) && !conn.getAutoCommit()) {
conn.rollback();
}
} catch (SQLException e1) {
String emsg = BrokerResources.X_DB_ROLLBACK_FAILED;
logger.log(Logger.ERROR, emsg, e1);
Util.logExt(logger_, java.util.logging.Level.SEVERE, emsg, e1);
}
checkDupKeyOnException(conn, name, logger_);
throw e;
}
} catch (Exception e) {
myex = e;
throw e;
} finally {
closeSQL(null, pstmt, myconn, myex, logger_);
}
}
/**
* @param conn database connection
* @param name jmsbridge name
* @param newBrokerId
* @param expectedBrokerId
* @param logger_ can be null
* @throws KeyNotFoundException if not found
* StoreBeingTakenOverException if being takeover
* Exception on any other error
*/
public void updateBrokerId(Connection conn,
String name,
String newBrokerId,
String expectedBrokerId,
java.util.logging.Logger logger_)
throws KeyNotFoundException,
StoreBeingTakenOverException,
Exception {
Connection myconn = null;
PreparedStatement pstmt = null;
Exception myex = null;
try {
DBManager dbMgr = DBManager.getDBManager();
if (conn == null) {
conn = dbMgr.getConnection(true);
myconn = conn;
}
pstmt = conn.prepareStatement(updateBrokerIdSQL);
pstmt.setString(1, newBrokerId);
pstmt.setLong(2, System.currentTimeMillis());
pstmt.setString(3, name);
pstmt.setString(4, expectedBrokerId);
if (Globals.getHAEnabled()) {
pstmt.setString(5, dbMgr.getBrokerID());
}
if (pstmt.executeUpdate() == 0) {
Util.checkBeingTakenOver(conn, dbMgr, logger, logger_);
throw new KeyNotFoundException(
"Name "+name+" not found in store");
}
} catch ( Exception e ) {
myex = e;
try {
if ((conn != null) && !conn.getAutoCommit()) {
conn.rollback();
}
} catch (SQLException e1) {
String emsg = BrokerResources.X_DB_ROLLBACK_FAILED;
logger.log( Logger.ERROR, emsg, e1);
Util.logExt(logger_, java.util.logging.Level.SEVERE, emsg, e1);
}
throw e;
} finally {
closeSQL(null, pstmt, myconn, myex, logger_);
}
}
/**
* @param conn database connection
* @param name to identify the TM
* @param logger_ can be null;
* @throws KeyNotFoundException if not found
* else Exception on error
*/
public void delete(Connection conn,
String name,
java.util.logging.Logger logger_)
throws Exception {
Connection myconn = null;
PreparedStatement pstmt = null;
Exception myex = null;
try {
DBManager dbMgr = DBManager.getDBManager();
if (conn == null) {
conn = dbMgr.getConnection(true);
myconn = conn;
}
pstmt = conn.prepareStatement(deleteSQL);
pstmt.setString(1, name);
pstmt.setString(2, dbMgr.getBrokerID());
if (pstmt.executeUpdate() == 0) {
throw new KeyNotFoundException("Name "+name+" not found in store ");
}
} catch (Exception e) {
myex = e;
try {
if ((conn != null) && !conn.getAutoCommit()) {
conn.rollback();
}
} catch (SQLException e1) {
String emsg = BrokerResources.X_DB_ROLLBACK_FAILED;
logger.log(Logger.ERROR, emsg, e1);
Util.logExt(logger_, java.util.logging.Level.SEVERE, emsg, e1);
}
throw e;
} finally {
closeSQL(null,pstmt, myconn, myex, logger_);
}
}
/**
* Delete all entries for this broker
* @param conn database connection
* @throws BrokerException
*/
public void deleteAll(Connection conn) throws BrokerException {
DBManager dbMgr = DBManager.getDBManager();
String whereClause = new StringBuffer(128)
.append( BROKER_ID_COLUMN ).append( " = '" )
.append( dbMgr.getBrokerID() ).append( "'" )
.toString();
deleteAll(conn, whereClause, null, 0);
}
/**
* @param conn database connection
* @param name jmsbridge name
* @param logger_ can be null;
* @throws KeyNotFoundException if not found
* else Exception on error
*/
public String getBrokerId(Connection conn,
String name,
java.util.logging.Logger logger_)
throws Exception {
String brokerId = null;
Connection myconn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
Exception myex = null;
try {
if (conn == null) {
conn = DBManager.getDBManager().getConnection(true);
myconn = conn;
}
pstmt = conn.prepareStatement(selectBrokerIdSQL);
pstmt.setString(1, name);
rs = pstmt.executeQuery();
if (!rs.next()) {
throw new KeyNotFoundException(
"Name "+name+" not found in store");
}
brokerId = rs.getString(1);
} catch ( Exception e ) {
myex = e;
try {
if ( (conn != null) && !conn.getAutoCommit() ) {
conn.rollback();
}
} catch ( SQLException rbe ) {
logger.log( Logger.ERROR, BrokerResources.X_DB_ROLLBACK_FAILED+"["+selectBrokerIdSQL+"]", rbe );
}
throw e;
} finally {
closeSQL(rs, pstmt, myconn, myex, logger_);
}
return brokerId;
}
/**
* @param conn database connection
* @param name jmsbridge name
* @param logger_ can be null;
* @throws KeyNotFoundException if not found
* else Exception on error
*/
public long getUpdatedTime(Connection conn, String name,
java.util.logging.Logger logger_)
throws KeyNotFoundException, Exception {
long updatedTime = -1;
Connection myconn = conn;
PreparedStatement pstmt = null;
ResultSet rs = null;
Exception myex = null;
try {
if (conn == null) {
conn = DBManager.getDBManager().getConnection(true);
myconn = conn;
}
pstmt = conn.prepareStatement(selectUpdatedTimeSQL);
pstmt.setString(1, name);
rs = pstmt.executeQuery();
if (!rs.next()) {
throw new KeyNotFoundException("Name "+name+" not found in store");
}
updatedTime = rs.getLong(1);
} catch ( Exception e ) {
myex = e;
try {
if ( (conn != null) && !conn.getAutoCommit() ) {
conn.rollback();
}
} catch ( SQLException rbe ) {
logger.log( Logger.ERROR, BrokerResources.X_DB_ROLLBACK_FAILED+"["+selectUpdatedTimeSQL+"]", rbe );
}
throw e;
} finally {
closeSQL(rs, pstmt, myconn, myex, logger_);
}
return updatedTime;
}
/**
* @param conn database connection
* @param name jmsbridge name
* @param logger_ can be null;
* @throws KeyNotFoundException if not found
* else Exception on error
*/
public long getCreatedTime(Connection conn, String name,
java.util.logging.Logger logger_)
throws KeyNotFoundException, Exception {
long createdTime = -1;
Connection myconn = conn;
PreparedStatement pstmt = null;
ResultSet rs = null;
Exception myex = null;
try {
if (conn == null) {
conn = DBManager.getDBManager().getConnection(true);
myconn = conn;
}
pstmt = conn.prepareStatement(selectCreatedTimeSQL);
pstmt.setString(1, name);
rs = pstmt.executeQuery();
if (!rs.next()) {
throw new KeyNotFoundException(
"Name "+name+" not found in store");
}
createdTime = rs.getLong(1);
} catch (Exception e) {
myex = e;
try {
if ( (conn != null) && !conn.getAutoCommit() ) {
conn.rollback();
}
} catch ( SQLException rbe ) {
logger.log( Logger.ERROR, BrokerResources.X_DB_ROLLBACK_FAILED+"["+selectCreatedTimeSQL+"]", rbe );
}
throw e;
} finally {
closeSQL(rs, pstmt, myconn, myex, logger_);
}
return createdTime;
}
/**
* @param conn database connection
* @param brokerID
* @param logger_ can be null;
* @return list of names
* @throws Exception
*/
public List getNamesByBroker(Connection conn, String brokerID,
java.util.logging.Logger logger_)
throws Exception {
List list = new ArrayList();
Connection myconn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
Exception myex = null;
try {
DBManager dbMgr = DBManager.getDBManager();
if (conn == null) {
conn = DBManager.getDBManager().getConnection(true);
myconn = conn;
}
pstmt = conn.prepareStatement(selectNamesByBrokerIdSQL);
pstmt.setString(1, brokerID);
rs = pstmt.executeQuery();
while (rs.next()) {
list.add((rs.getString(1)));
}
} catch ( Exception e ) {
myex = e;
try {
if ( (conn != null) && !conn.getAutoCommit() ) {
conn.rollback();
}
} catch ( SQLException rbe ) {
logger.log( Logger.ERROR, BrokerResources.X_DB_ROLLBACK_FAILED+"["+selectNamesByBrokerIdSQL+"]", rbe );
}
throw e;
} finally {
closeSQL(rs, pstmt, myconn, myex, logger_);
}
return list;
}
/**
* (same impl as in other DAO impls)
* @param conn database connection
* @return a HashMap of name value pair of information
*/
public HashMap getDebugInfo(Connection conn) {
HashMap map = new HashMap();
int count = -1;
try {
count = getRowCount(null, null);
} catch ( Exception e ) {
logger.log( Logger.ERROR, e.getMessage(), e.getCause() );
}
map.put("JMSBridge(" + tableName + ")", String.valueOf(count));
return map;
}
/**
* To be called when exception occurred on a connection
*
* @Exception DupKeyException if xid already exists
*/
private void checkDupKeyOnException(Connection conn,
String name,
java.util.logging.Logger logger_)
throws DupKeyException {
if (conn == null) return;
PreparedStatement pstmt = null;
ResultSet rs = null;
try {
pstmt = conn.prepareStatement(selectCreatedTimeSQL);
pstmt.setString(1, name);
rs = pstmt.executeQuery();
if (rs.next()) {
throw new DupKeyException("Name "+name +" already exists in DB");
}
} catch (Exception e) {
try {
if ( (conn != null) && !conn.getAutoCommit() ) {
conn.rollback();
}
} catch ( SQLException rbe ) {
logger.log( Logger.ERROR, BrokerResources.X_DB_ROLLBACK_FAILED+"["+selectCreatedTimeSQL+"]", rbe );
}
if (e instanceof DupKeyException) throw (DupKeyException)e;
String emsg = br.getKString(BrokerResources.X_INTERNAL_EXCEPTION,
"Exception on checkDupKey for name " + name);
logger.log(Logger.WARNING, emsg, e);
Util.logExt(logger_, java.util.logging.Level.WARNING, emsg, e);
}
}
private void closeSQL(ResultSet rset,
PreparedStatement pstmt,
Connection conn, Throwable myex,
java.util.logging.Logger logger_) {
try {
Util.close(rset, pstmt, conn, myex);
} catch (Exception e) {
Throwable cause = e.getCause();
String emsg = "Unable to close SQL connection or statement: "+
e.getMessage()+(cause == null ? "":" - "+cause.getMessage());
logger.log(Logger.WARNING, emsg, e);
Util.logExt(logger_, java.util.logging.Level.WARNING, emsg, e);
}
}
}