001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.impl;
018
019import java.util.concurrent.atomic.AtomicLong;
020
021import org.apache.camel.spi.UuidGenerator;
022
023/**
024 * This implementation uses a counter which increments by one.
025 * This generator is not unique per host or JVM, as its private per CamelContext.
026 */
027public class SimpleUuidGenerator implements UuidGenerator {
028    
029    private final AtomicLong id = new AtomicLong(1);
030
031    public String generateUuid() {
032        return String.valueOf(id.getAndIncrement());
033    }
034}