/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.resource.adapter.jdbc;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* A wrapper for a statement.
*
* @todo remove the org.jboss.ejb.plugins.cmp.jdbc.WrappedStatement dependency
*
* @author <a href="mailto:d_jencks@users.sourceforge.net">David Jencks</a>
* @author <a href="mailto:adrian@jboss.com">Adrian Brock</a>
* @author <a href="weston.price@jboss.com">Weston Price</a>
* @version $Revision: 57189 $
*/
public class WrappedStatement implements Statement, StatementAccess,
org.jboss.ejb.plugins.cmp.jdbc.WrappedStatement
{
private final WrappedConnection lc;
private final Statement s;
/** The result sets */
private HashMap resultSets;
/** Whether we are closed */
private boolean closed = false;
/** The state lock */
private Object lock = new Object();
public WrappedStatement(final WrappedConnection lc, Statement s)
{
this.lc = lc;
this.s = s;
lc.registerStatement(this);
}
public void close() throws SQLException
{
synchronized (lock)
{
if (closed)
return;
closed = true;
}
lc.unregisterStatement(this);
internalClose();
}
public boolean execute(String sql) throws SQLException
{
checkTransaction();
try
{
checkConfiguredQueryTimeout();
return s.execute(sql);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public boolean execute(String sql, int autoGeneratedKeys) throws SQLException
{
checkTransaction();
try
{
checkConfiguredQueryTimeout();
return s.execute(sql, autoGeneratedKeys);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public boolean execute(String sql, int[] columnIndexes) throws SQLException
{
checkTransaction();
try
{
checkConfiguredQueryTimeout();
return s.execute(sql, columnIndexes);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public boolean execute(String sql, String[]columnNames ) throws SQLException
{
checkTransaction();
try
{
checkConfiguredQueryTimeout();
return s.execute(sql, columnNames);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public Connection getConnection() throws SQLException
{
return lc;
}
public SQLWarning getWarnings() throws SQLException
{
checkState();
try
{
return s.getWarnings();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public void clearWarnings() throws SQLException
{
checkState();
try
{
s.clearWarnings();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public ResultSet executeQuery(String sql) throws SQLException
{
checkTransaction();
try
{
checkConfiguredQueryTimeout();
ResultSet result = s.executeQuery(sql);
return registerResultSet(result);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int executeUpdate(String sql) throws SQLException
{
checkTransaction();
try
{
checkConfiguredQueryTimeout();
return s.executeUpdate(sql);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int executeUpdate(String sql, int autoGeneratedKeys) throws SQLException
{
checkTransaction();
try
{
checkConfiguredQueryTimeout();
return s.executeUpdate(sql, autoGeneratedKeys);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int executeUpdate(String sql, int[] columnIndexes) throws SQLException
{
checkTransaction();
try
{
checkConfiguredQueryTimeout();
return s.executeUpdate(sql, columnIndexes);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int executeUpdate(String sql, String[] columnNames) throws SQLException
{
checkTransaction();
try
{
checkConfiguredQueryTimeout();
return s.executeUpdate(sql, columnNames);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int getMaxFieldSize() throws SQLException
{
checkState();
try
{
return s.getMaxFieldSize();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public void setMaxFieldSize(int max) throws SQLException
{
checkState();
try
{
s.setMaxFieldSize(max);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int getMaxRows() throws SQLException
{
checkState();
try
{
return s.getMaxRows();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public void setMaxRows(int max) throws SQLException
{
checkState();
try
{
s.setMaxRows(max);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public void setEscapeProcessing(boolean enable) throws SQLException
{
checkState();
try
{
s.setEscapeProcessing(enable);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int getQueryTimeout() throws SQLException
{
checkState();
try
{
return s.getQueryTimeout();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public void setQueryTimeout(int timeout) throws SQLException
{
checkState();
try
{
s.setQueryTimeout(timeout);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public void cancel() throws SQLException
{
checkState();
try
{
s.cancel();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public void setCursorName(String name) throws SQLException
{
checkState();
try
{
s.setCursorName(name);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public ResultSet getResultSet() throws SQLException
{
checkState();
try
{
ResultSet result = s.getResultSet();
if (result == null)
return null;
else
return registerResultSet(result);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int getUpdateCount() throws SQLException
{
checkState();
try
{
return s.getUpdateCount();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public boolean getMoreResults() throws SQLException
{
checkState();
try
{
return s.getMoreResults();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public boolean getMoreResults(int current) throws SQLException
{
checkState();
try
{
return s.getMoreResults(current);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public void setFetchDirection(int direction) throws SQLException
{
checkState();
try
{
s.setFetchDirection(direction);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int getFetchDirection() throws SQLException
{
checkState();
try
{
return s.getFetchDirection();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public void setFetchSize(int rows) throws SQLException
{
checkState();
try
{
s.setFetchSize(rows);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int getFetchSize() throws SQLException
{
checkState();
try
{
return s.getFetchSize();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int getResultSetConcurrency() throws SQLException
{
checkState();
try
{
return s.getResultSetConcurrency();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int getResultSetType() throws SQLException
{
checkState();
try
{
return s.getResultSetType();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public void addBatch(String sql) throws SQLException
{
checkState();
try
{
s.addBatch(sql);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public void clearBatch() throws SQLException
{
checkState();
try
{
s.clearBatch();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int[] executeBatch() throws SQLException
{
checkState();
try
{
checkConfiguredQueryTimeout();
return s.executeBatch();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public ResultSet getGeneratedKeys() throws SQLException
{
checkState();
try
{
ResultSet resultSet = s.getGeneratedKeys();
return registerResultSet(resultSet);
}
catch (Throwable t)
{
throw checkException(t);
}
}
public int getResultSetHoldability() throws SQLException
{
checkState();
try
{
return s.getResultSetHoldability();
}
catch (Throwable t)
{
throw checkException(t);
}
}
public Statement getUnderlyingStatement() throws SQLException
{
checkState();
return s;
}
protected SQLException checkException(Throwable t)
throws SQLException
{
throw lc.checkException(t);
}
protected void checkTransaction()
throws SQLException
{
checkState();
lc.checkTransaction();
}
protected void checkConfiguredQueryTimeout() throws SQLException
{
lc.checkConfiguredQueryTimeout(this);
}
protected void internalClose() throws SQLException
{
synchronized (lock)
{
closed = true;
}
try
{
closeResultSets();
}
finally
{
s.close();
}
}
void checkState() throws SQLException
{
synchronized (lock)
{
if (closed)
throw new SQLException("The statement is closed.");
}
}
protected ResultSet registerResultSet(ResultSet resultSet)
{
if (resultSet != null)
resultSet = new WrappedResultSet(this, resultSet);
if (lc.getTrackStatements() == BaseWrapperManagedConnectionFactory.TRACK_STATEMENTS_FALSE_INT)
return resultSet;
synchronized (this)
{
if (resultSets == null)
resultSets = new HashMap();
if (lc.getTrackStatements() == BaseWrapperManagedConnectionFactory.TRACK_STATEMENTS_TRUE_INT)
resultSets.put(resultSet, new Throwable("STACKTRACE"));
else
resultSets.put(resultSet, null);
}
return resultSet;
}
protected void unregisterResultSet(WrappedResultSet resultSet)
{
if (lc.getTrackStatements() == BaseWrapperManagedConnectionFactory.TRACK_STATEMENTS_FALSE_INT)
return;
synchronized (this)
{
if (resultSets != null)
resultSets.remove(resultSet);
}
}
protected void closeResultSets()
{
if (lc.getTrackStatements() == BaseWrapperManagedConnectionFactory.TRACK_STATEMENTS_FALSE_INT)
return;
synchronized (this)
{
if (resultSets == null)
return;
for (Iterator i = resultSets.entrySet().iterator(); i.hasNext();)
{
Map.Entry entry = (Map.Entry) i.next();
WrappedResultSet resultSet = (WrappedResultSet) entry.getKey();
if (lc.getTrackStatements() == BaseWrapperManagedConnectionFactory.TRACK_STATEMENTS_TRUE_INT)
{
Throwable stackTrace = (Throwable) entry.getValue();
lc.getLogger().warn("Closing a result set you left open! Please close it yourself.", stackTrace);
}
try
{
resultSet.internalClose();
}
catch (Throwable t)
{
lc.getLogger().warn("Error closing a result set you left open! Please close it yourself.", t);
}
}
resultSets.clear();
}
}
}
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