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/*
Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
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 GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this
program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.jdbc;
import java.sql.SQLException;
/**
* An exception to represent communications errors with the database.
*
* Attempts to provide 'friendler' error messages to end-users, including last time a packet was sent to the database, what the client-timeout is set to, and
* whether the idle time has been exceeded.
*/
public class CommunicationsException extends SQLException implements StreamingNotifiable {
static final long serialVersionUID = 3193864990663398317L;
private String exceptionMessage = null;
public CommunicationsException(MySQLConnection conn, long lastPacketSentTimeMs, long lastPacketReceivedTimeMs, Exception underlyingException) {
this.exceptionMessage = SQLError.createLinkFailureMessageBasedOnHeuristics(conn, lastPacketSentTimeMs, lastPacketReceivedTimeMs, underlyingException);
if (underlyingException != null) {
initCause(underlyingException);
}
}
/*
* @see java.lang.Throwable#getMessage()
*/
@Override
public String getMessage() {
return this.exceptionMessage;
}
/*
* @see java.sql.SQLException#getSQLState()
*/
@Override
public String getSQLState() {
return SQLError.SQL_STATE_COMMUNICATION_LINK_FAILURE;
}
/*
* @see com.mysql.jdbc.StreamingNotifiable#setWasStreamingResults()
*/
public void setWasStreamingResults() {
// replace exception message
this.exceptionMessage = Messages.getString("CommunicationsException.ClientWasStreaming");
}
}