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/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.distributed.internal.deadlock;
import java.io.Serializable;
import java.util.Set;
/**
* This interface defines the contract between the {@link DependencyMonitorManager} class
* and classes that monitor a particular type of dependency. Classes implementing
* this interface should register themselves with the dependency monitor using
* the {@link DependencyMonitorManager#addMonitor(DependencyMonitor)} method.
*
* @author dsmith
*/
public interface DependencyMonitor {
/**
* Return a map of resource identifiers to the threads that are blocked
* waiting for those resources.
*/
public Set> getBlockedThreads(
Thread[] allThreads);
/**
* Return a map of resource indentifiers to the threads that hold that
* particular resource.
*/
public Set> getHeldResources(
Thread[] allThreads);
}