/* * JBoss, Home of Professional Open Source * Copyright 2008, Red Hat, Inc., and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * 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 org.jboss.weld.contexts.conversation; import java.io.Serializable; import java.util.concurrent.Callable; import java.util.concurrent.atomic.AtomicInteger; /** * The default conversation id generator * * @author Nicklas Karlsson */ public class ConversationIdGenerator implements Callable<String>, Serializable { public static final String CONVERSATION_ID_GENERATOR_ATTRIBUTE_NAME = ConversationIdGenerator.class.getName(); private static final long serialVersionUID = 8489811313900825684L; // The next conversation ID private final AtomicInteger id; /** * Creates a new conversation ID generator */ public ConversationIdGenerator() { this.id = new AtomicInteger(1); } public String call() { int nextId = id.getAndIncrement(); return String.valueOf(nextId); } }