content: /*
   * Copyright 2013-2023 the original author or authors.
   *
   * 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
   *
   *      https://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 com.alibaba.cloud.stream.binder.rocketmq.metrics;
  
  import java.util.Objects;
  import java.util.concurrent.atomic.AtomicBoolean;
  
  import org.springframework.context.Lifecycle;
  
  /**
   * @author Timur Valiev
   * @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
   */
  public class Instrumentation {
  
  	private final String name;
  
  	private Lifecycle actuator;
  
  	protected final AtomicBoolean started = new AtomicBoolean(false);
  
  	protected Exception startException = null;
  
  	public Instrumentation(String name) {
  		this.name = name;
  	}
  
  	public Instrumentation(String name, Lifecycle actuator) {
  		this.name = name;
  		this.actuator = actuator;
  	}
  
  	public Lifecycle getActuator() {
  		return actuator;
  	}
  
  	public void setActuator(Lifecycle actuator) {
  		this.actuator = actuator;
  	}
  
  	public boolean isDown() {
  		return startException != null;
  	}
  
  	public boolean isUp() {
  		return started.get();
  	}
  
  	public boolean isOutOfService() {
  		return !started.get() && startException == null;
  	}
  
  	public void markStartedSuccessfully() {
  		started.set(true);
  	}
  
  	public void markStartFailed(Exception e) {
  		started.set(false);
  		startException = e;
  	}
  
  	public String getName() {
  		return name;
  	}
  
  	public boolean isStarted() {
  		return started.get();
  	}
  
  	public Exception getStartException() {
  		return startException;
  	}
  
  	@Override
  	public int hashCode() {
  		return Objects.hash(getName(), getActuator());
  	}
  
  	@Override
  	public boolean equals(Object o) {
  		if (this == o) {
  			return true;
  		}
  		if (o == null || getClass() != o.getClass()) {
  			return false;
  		}
  		Instrumentation that = (Instrumentation) o;
  		return name.equals(that.name) && actuator.equals(that.actuator);
  	}
  
  }
  