/*
* 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.ambari.server.logging;
import java.util.Map;
import java.util.concurrent.locks.Lock;
/**
* Interface for lock implementations that should be profiled and need
* the assistance of LockProfileDelegate to achieve it.
*/
interface ProfiledLock extends Lock {
/**
* @return true if the lock is already held by the current thread
*/
boolean isHeldByCurrentThread();
/**
* @return time spent waiting for the lock (in milliseconds) by thread name
*/
Map<String, Long> getTimeSpentWaitingForLock();
/**
* @return time spent holding the lock (in milliseconds) by thread name
*/
Map<String, Long> getTimeSpentLocked();
/**
* @return the number of times the lock was taken by thread name
*/
Map<String, Integer> getLockCount();
String getLabel();
}