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JDBC Driver for the Firebird RDBMS
/*
* $Id$
*
* Firebird Open Source J2ee connector - jdbc driver
*
* Distributable under LGPL license.
* You may obtain a copy of the License at http://www.gnu.org/copyleft/lgpl.html
*
* This program 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
* LGPL License for more details.
*
* This file was created by members of the firebird development team.
* All individual contributions remain the Copyright (C) of those
* individuals. Contributors to this file are either listed here or
* can be obtained from a CVS history command.
*
* All rights reserved.
*/
/*
*
* The Original Code is the Firebird Java GDS implementation.
*
* The Initial Developer of the Original Code is Alejandro Alberola.
* Portions created by Alejandro Alberola are Copyright (C) 2001
* Boix i Oltra, S.L. All Rights Reserved.
*/
package org.firebirdsql.gds.impl.wire;
import java.io.IOException;
import java.net.Socket;
import org.firebirdsql.gds.impl.AbstractIscDbHandle;
/**
* Describe class isc_db_handle_impl
here.
*
* @author David Jencks
* @version 1.0
*/
public class isc_db_handle_impl extends AbstractIscDbHandle {
private static final int DEFAULT_RESP_DATA = 65536;
Socket socket;
public XdrOutputStream out;
public WireXdrInputStream in;
private int resp_data_len;
EventCoordinator eventCoordinator;
public isc_db_handle_impl() {
super(new byte[DEFAULT_RESP_DATA]);
}
protected void invalidate() throws IOException {
if (!isValid())
return;
IOException ioeToThrow = null;
// TODO: Shouldn't this synchronize on *this*?
try {
try {
in.close();
} catch (IOException e) {
ioeToThrow = e;
}
try {
out.close();
} catch (IOException e) {
if (ioeToThrow == null) {
ioeToThrow = e;
}
}
try {
socket.close();
} catch (IOException e) {
if (ioeToThrow == null) {
ioeToThrow = e;
}
}
} finally {
in = null;
out = null;
socket = null;
invalidateHandle();
if (ioeToThrow != null) {
throw ioeToThrow;
}
}
}
void addTransaction(isc_tr_handle_impl tr) {
checkValidity();
rdb_transactions.add(tr);
}
void removeTransaction(isc_tr_handle_impl tr) {
checkValidity();
rdb_transactions.remove(tr);
}
public byte[] getResp_data_truncated() {
byte[] dest = new byte[getResp_data_len()];
System.arraycopy(getResp_data(), 0, dest, 0, dest.length);
return dest;
}
public void setResp_data_len(int len) {
this.resp_data_len = len;
}
public int getResp_data_len() {
return this.resp_data_len;
}
}