| /* |
| * 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.twill.internal; |
| |
| import org.apache.twill.api.RunId; |
| |
| import java.util.UUID; |
| |
| /** |
| * Factory class for creating instance of {@link org.apache.twill.api.RunId}. |
| */ |
| public final class RunIds { |
| |
| public static RunId generate() { |
| return new RunIdImpl(UUID.randomUUID().toString()); |
| } |
| |
| public static RunId fromString(String str) { |
| return new RunIdImpl(str); |
| } |
| |
| private RunIds() { |
| } |
| |
| private static final class RunIdImpl implements RunId { |
| |
| final String id; |
| |
| private RunIdImpl(String id) { |
| if (id == null) { |
| throw new IllegalArgumentException("RunId cannot be null."); |
| } |
| this.id = id; |
| } |
| |
| @Override |
| public String getId() { |
| return id; |
| } |
| |
| @Override |
| public String toString() { |
| return getId(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (this == other) { |
| return true; |
| } |
| if (other == null || !(other instanceof RunId)) { |
| return false; |
| } |
| return id.equals(((RunId) other).getId()); |
| } |
| |
| @Override |
| public int hashCode() { |
| return id.hashCode(); |
| } |
| } |
| } |