org.elasticsearch.common.Priority Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch 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.elasticsearch.common;
import org.elasticsearch.ElasticSearchIllegalArgumentException;
/**
*
*/
public final class Priority implements Comparable {
public static Priority fromByte(byte b) {
switch (b) {
case 0:
return URGENT;
case 1:
return HIGH;
case 2:
return NORMAL;
case 3:
return LOW;
case 4:
return LANGUID;
default:
throw new ElasticSearchIllegalArgumentException("can't find priority for [" + b + "]");
}
}
public static Priority URGENT = new Priority((byte) 0);
public static Priority HIGH = new Priority((byte) 1);
public static Priority NORMAL = new Priority((byte) 2);
public static Priority LOW = new Priority((byte) 3);
public static Priority LANGUID = new Priority((byte) 4);
private final byte value;
private Priority(byte value) {
this.value = value;
}
public byte value() {
return this.value;
}
public int compareTo(Priority p) {
return this.value - p.value;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || Priority.class != o.getClass()) return false;
Priority priority = (Priority) o;
if (value != priority.value) return false;
return true;
}
@Override
public int hashCode() {
return (int) value;
}
@Override
public String toString() {
switch (value) {
case (byte) 0:
return "URGENT";
case (byte) 1:
return "HIGH";
case (byte) 2:
return "NORMAL";
case (byte) 3:
return "LOW";
default:
return "LANGUID";
}
}
}