| /** |
| * 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.camel.impl; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.camel.model.OptionalIdentifiedDefinition; |
| import org.apache.camel.spi.NodeIdFactory; |
| |
| /** |
| * Default id factory. |
| * |
| * @version $Revision$ |
| */ |
| public class DefaultNodeIdFactory implements NodeIdFactory { |
| |
| protected static Map<String, AtomicInteger> nodeCounters = new HashMap<String, AtomicInteger>(); |
| |
| public String createId(OptionalIdentifiedDefinition<?> definition) { |
| String key = definition.getShortName(); |
| return key + getNodeCounter(key).incrementAndGet(); |
| } |
| |
| /** |
| * Returns the counter for the given node key, lazily creating one if necessary |
| */ |
| protected static synchronized AtomicInteger getNodeCounter(String key) { |
| AtomicInteger answer = nodeCounters.get(key); |
| if (answer == null) { |
| answer = new AtomicInteger(0); |
| nodeCounters.put(key, answer); |
| } |
| return answer; |
| } |
| |
| |
| /** |
| * Helper method for test purposes that allows tests to start clean (made protected |
| * to ensure that it is not called accidentally) |
| */ |
| protected static synchronized void resetAllCounters() { |
| for (AtomicInteger counter : nodeCounters.values()) { |
| counter.set(0); |
| } |
| } |
| } |