HealthStatus.java

/*
 * 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 com.alibaba.jstorm.daemon.supervisor;

/**
 * @author Jark (wuchong.wc@alibaba-inc.com)
 */
public class HealthStatus {

	public static HealthStatus INFO = new HealthStatus(StatusType.INFO);
	public static HealthStatus WARN = new HealthStatus(StatusType.WARN);
	public static HealthStatus ERROR = new HealthStatus(StatusType.ERROR);
	public static HealthStatus PANIC = new HealthStatus(StatusType.PANIC);

	private enum StatusType {
		INFO,
		WARN,
		ERROR,
		PANIC
	}

	private StatusType status;


	// avoid to create other instance
	private HealthStatus() {}

	private HealthStatus(StatusType status) {
		this.status = status;
	}

	public boolean isMoreSeriousThan(HealthStatus status) {
		return this.status.ordinal() >= status.status.ordinal();
	}

	@Override
	public String toString() {
		return status.toString();
	}

}