com.hotels.styx.api.Id Maven / Gradle / Ivy
/*
Copyright (C) 2013-2018 Expedia Inc.
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
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.hotels.styx.api;
import java.util.Objects;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* An identifier.
*/
public final class Id {
public static final Id GENERIC_APP = id("generic-app");
private final String value;
private Id(String value) {
this.value = checkNotNull(value);
}
/**
* Create a new Id.
*
* @param value string value of Id
* @return a new Id
*/
public static Id id(String value) {
return new Id(value);
}
@Override
public String toString() {
return value;
}
@Override
public int hashCode() {
return Objects.hash(value);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
Id other = (Id) obj;
return Objects.equals(this.value, other.value);
}
}