io.logspace.agent.shaded.mchange.v2.c3p0.ConnectionTester Maven / Gradle / Ivy
/*
* Distributed as part of c3p0 v.0.9.1.1
*
* Copyright (C) 2005 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1, as
* published by the Free Software Foundation.
*
* This software 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software; see the file LICENSE. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
package io.logspace.agent.shaded.mchange.v2.c3p0;
import java.io.Serializable;
import java.sql.Connection;
/**
* Define your own Connection tester if you want to
* override c3p0's default behavior for testing the validity
* of Connections and responding to Connection errors encountered.
*
* Recommended: If you'd like your ConnectionTester
* to support the user-configured preferredTestQuery
* parameter, please implement {@link io.logspace.agent.shaded.mchange.v2.c3p0.UnifiedConnectionTester}.
*
*
ConnectionTesters should be Serializable, immutable,
* and must have public, no-arg constructors.
*
* @see io.logspace.agent.shaded.mchange.v2.c3p0.UnifiedConnectionTester
* @see io.logspace.agent.shaded.mchange.v2.c3p0.AbstractConnectionTester
*/
public interface ConnectionTester extends Serializable
{
public final static int CONNECTION_IS_OKAY = 0;
public final static int CONNECTION_IS_INVALID = -1;
public final static int DATABASE_IS_INVALID = -8;
public int activeCheckConnection(Connection c);
public int statusOnException(Connection c, Throwable t);
/**
* Multiple testers that are of the same
* class and use the same criteria for determining fatality
* should test as equals().
*/
public boolean equals( Object o );
/**
* keep consistent with equals()
*/
public int hashCode();
}