com.zaxxer.hikari.pool.ProxyResultSet Maven / Gradle / Ivy
/*
* Copyright (C) 2013, 2014 Brett Wooldridge
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.zaxxer.hikari.pool;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
/**
* This is the proxy class for java.sql.ResultSet.
*
* @author Brett Wooldridge
*/
public abstract class ProxyResultSet implements ResultSet
{
protected final ProxyConnection connection;
protected final ProxyStatement statement;
final ResultSet delegate;
protected ProxyResultSet(ProxyConnection connection, ProxyStatement statement, ResultSet resultSet)
{
this.connection = connection;
this.statement = statement;
this.delegate = resultSet;
}
final SQLException checkException(SQLException e)
{
return connection.checkException(e);
}
/** {@inheritDoc} */
@Override
public String toString()
{
return this.getClass().getSimpleName() + '@' + System.identityHashCode(this) + " wrapping " + delegate;
}
// **********************************************************************
// Overridden java.sql.ResultSet Methods
// **********************************************************************
/** {@inheritDoc} */
@Override
public final Statement getStatement() throws SQLException
{
return statement;
}
/** {@inheritDoc} */
@Override
public void updateRow() throws SQLException
{
connection.markCommitStateDirty();
delegate.updateRow();
}
/** {@inheritDoc} */
@Override
public void insertRow() throws SQLException
{
connection.markCommitStateDirty();
delegate.insertRow();
}
/** {@inheritDoc} */
@Override
public void deleteRow() throws SQLException
{
connection.markCommitStateDirty();
delegate.deleteRow();
}
/** {@inheritDoc} */
@Override
@SuppressWarnings("unchecked")
public final T unwrap(Class iface) throws SQLException
{
if (iface.isInstance(delegate)) {
return (T) delegate;
}
else if (delegate != null) {
return delegate.unwrap(iface);
}
throw new SQLException("Wrapped ResultSet is not an instance of " + iface);
}
}