org.apache.camel.impl.engine.DefaultNodeIdFactory Maven / Gradle / Ivy
/*
* 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.engine;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.camel.NamedNode;
import org.apache.camel.spi.NodeIdFactory;
/**
* Default id factory.
*/
public class DefaultNodeIdFactory implements NodeIdFactory {
protected static final Map NODE_COUNTERS = new ConcurrentHashMap<>();
@Override
public String createId(NamedNode 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 AtomicInteger getNodeCounter(String key) {
return NODE_COUNTERS.computeIfAbsent(key, k -> new AtomicInteger());
}
/**
* Helper method for test purposes that allows tests to start clean (made protected to ensure that it is not called
* accidentally)
*/
protected static void resetAllCounters() {
for (AtomicInteger counter : NODE_COUNTERS.values()) {
counter.set(0);
}
}
}
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