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LockManager.java
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LockManager.java
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/**
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.management;
import java.util.List;
import org.neo4j.jmx.Description;
import org.neo4j.jmx.ManagementInterface;
import org.neo4j.kernel.info.LockInfo;
@ManagementInterface( name = LockManager.NAME )
@Description( "Information about the Neo4j lock status" )
public interface LockManager
{
final String NAME = "Locking";
@Description( "The number of lock sequences that would have lead to a deadlock situation that "
+ "Neo4j has detected and averted (by throwing DeadlockDetectedException)." )
long getNumberOfAvertedDeadlocks();
@Description( "Information about all locks held by Neo4j" )
List<LockInfo> getLocks();
@Description( "Information about contended locks (locks where at least one thread is waiting) held by Neo4j. "
+ "The parameter is used to get locks where threads have waited for at least the specified number "
+ "of milliseconds, a value of 0 retrieves all contended locks." )
List<LockInfo> getContendedLocks( long minWaitTime );
}