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/*
* Copyright (c) 2013 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.internal.db;
import org.eclipse.net4j.db.DBException;
import org.eclipse.net4j.db.IDBPreparedStatement;
import org.eclipse.net4j.db.IDBResultSet;
import org.eclipse.net4j.db.jdbc.DelegatingPreparedStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* @author Eike Stepper
*/
public final class DBPreparedStatement extends DelegatingPreparedStatement implements IDBPreparedStatement
{
private final String sql;
private final ReuseProbability reuseProbability;
private int touch;
public DBPreparedStatement(DBConnection transaction, String sql, ReuseProbability reuseProbability,
PreparedStatement delegate)
{
super(delegate, transaction);
this.sql = sql;
this.reuseProbability = reuseProbability;
}
@Override
public DBConnection getConnection() throws SQLException
{
return (DBConnection)super.getConnection();
}
@Deprecated
public DBConnection getTransaction()
{
try
{
return getConnection();
}
catch (SQLException ex)
{
throw new DBException(ex);
}
}
public String getSQL()
{
return sql;
}
public ReuseProbability getReuseProbability()
{
return reuseProbability;
}
public void setTouch(int touch)
{
this.touch = touch;
}
public int compareTo(IDBPreparedStatement o)
{
int result = reuseProbability.compareTo(o.getReuseProbability());
if (result == 0)
{
result = ((DBPreparedStatement)o).touch - touch;
}
return result;
}
@Override
public String toString()
{
return "PreparedStatement[sql=" + sql + ", probability=" + reuseProbability + ", touch=" + touch + "]";
}
@Override
public void close() throws SQLException
{
getConnection().releasePreparedStatement(this);
}
@Override
public IDBResultSet getGeneratedKeys() throws SQLException
{
return new DBResultSet(getDelegate().getGeneratedKeys(), this);
}
@Override
public IDBResultSet getResultSet() throws SQLException
{
return new DBResultSet(getDelegate().getResultSet(), this);
}
@Override
public IDBResultSet executeQuery() throws SQLException
{
return new DBResultSet(getDelegate().executeQuery(), this);
}
@Override
@Deprecated
public ResultSet executeQuery(String sql) throws SQLException
{
throw new UnsupportedOperationException();
}
@Override
public void setString(int parameterIndex, String value) throws SQLException
{
value = getConnection().convertString(this, parameterIndex, value);
super.setString(parameterIndex, value);
}
public String convertString(DBResultSet resultSet, int columnIndex, String value) throws SQLException
{
return getConnection().convertString(resultSet, columnIndex, value);
}
public String convertString(DBResultSet resultSet, String columnLabel, String value) throws SQLException
{
return getConnection().convertString(resultSet, columnLabel, value);
}
}
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