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/*
Derby - Class org.apache.derbyTesting.functionTests.tests.jdbcapi.Wrapper41Statement
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to you 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 org.apache.derbyTesting.functionTests.tests.jdbcapi;
import java.lang.reflect.Method;
import java.sql.SQLException;
import org.apache.derby.client.am.ClientStatement;
import org.apache.derby.iapi.jdbc.EngineStatement;
import org.apache.derby.client.am.LogicalPreparedStatement;
/**
* A wrapper around the new Statement methods added by JDBC 4.1.
*/
public class Wrapper41Statement
{
///////////////////////////////////////////////////////////////////////
//
// STATE
//
///////////////////////////////////////////////////////////////////////
private EngineStatement _engineStatement;
private ClientStatement _netStatement;
private LogicalPreparedStatement _logicalStatement;
///////////////////////////////////////////////////////////////////////
//
// CONSTRUCTORS
//
///////////////////////////////////////////////////////////////////////
public Wrapper41Statement( Object wrapped ) throws Exception
{
if ( wrapped instanceof EngineStatement ) { _engineStatement = (EngineStatement) wrapped; }
else if ( wrapped instanceof ClientStatement ) { _netStatement = (ClientStatement) wrapped; }
else if ( wrapped instanceof LogicalPreparedStatement ) { _logicalStatement = (LogicalPreparedStatement) wrapped; }
else { throw nothingWrapped(); }
}
///////////////////////////////////////////////////////////////////////
//
// JDBC 4.1 BEHAVIOR
//
///////////////////////////////////////////////////////////////////////
public void closeOnCompletion() throws SQLException
{
if ( _engineStatement != null ) { _engineStatement.closeOnCompletion(); }
else if ( _netStatement != null ) { _netStatement.closeOnCompletion(); }
else if ( _logicalStatement != null ) { _logicalStatement.closeOnCompletion(); }
else { throw nothingWrapped(); }
}
public boolean isCloseOnCompletion() throws SQLException
{
if ( _engineStatement != null ) { return _engineStatement.isCloseOnCompletion(); }
else if ( _netStatement != null ) { return _netStatement.isCloseOnCompletion(); }
else if ( _logicalStatement != null ) { return _logicalStatement.isCloseOnCompletion(); }
else { throw nothingWrapped(); }
}
///////////////////////////////////////////////////////////////////////
//
// OTHER PUBLIC BEHAVIOR
//
///////////////////////////////////////////////////////////////////////
public java.sql.Statement getWrappedObject() throws SQLException
{
if ( _engineStatement != null ) { return _engineStatement; }
else if ( _netStatement != null ) { return _netStatement; }
else if ( _logicalStatement != null ) { return _logicalStatement; }
else { throw nothingWrapped(); }
}
public boolean isClosed() throws Exception
{
java.sql.Statement stmt = getWrappedObject();
Method method = stmt.getClass().getMethod( "isClosed", null );
return ((Boolean) method.invoke( stmt, null )).booleanValue();
}
///////////////////////////////////////////////////////////////////////
//
// MINIONS
//
///////////////////////////////////////////////////////////////////////
private SQLException nothingWrapped() { return new SQLException( "Nothing wrapped!" ); }
}
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