/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You 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.
*/
package org.apache.geode.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.
*
*/
public interface DependencyMonitor {
/**
* Return a map of resource identifiers to the threads that are blocked waiting for those
* resources.
*/
public Set<Dependency<Thread, Serializable>> getBlockedThreads(Thread[] allThreads);
/**
* Return a map of resource indentifiers to the threads that hold that particular resource.
*/
public Set<Dependency<Serializable, Thread>> getHeldResources(Thread[] allThreads);
}