| /* |
| * 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.core.osgi; |
| |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.camel.spi.CamelContextNameStrategy; |
| import org.osgi.framework.BundleContext; |
| |
| import static org.apache.camel.core.osgi.OsgiCamelContextPublisher.CONTEXT_NAME_PROPERTY; |
| |
| /** |
| * In OSGi we want to use a {@link CamelContextNameStrategy} that finds a free name in the |
| * OSGi Service Registry to be used for auto assigned names. |
| * <p/> |
| * If there is a name clash in the OSGi registry, then a new candidate name is used by appending |
| * a unique counter. |
| */ |
| public class OsgiCamelContextNameStrategy implements CamelContextNameStrategy { |
| |
| private static final AtomicInteger CONTEXT_COUNTER = new AtomicInteger(0); |
| private final BundleContext context; |
| private final String prefix = "camel"; |
| private volatile String name; |
| |
| public OsgiCamelContextNameStrategy(BundleContext context) { |
| this.context = context; |
| } |
| |
| @Override |
| public String getName() { |
| if (name == null) { |
| name = getNextName(); |
| } |
| return name; |
| } |
| |
| @Override |
| public synchronized String getNextName() { |
| // false = do no check fist, but add the counter asap, so we have camel-1 |
| return OsgiNamingHelper.findFreeCamelContextName(context, prefix, CONTEXT_NAME_PROPERTY, CONTEXT_COUNTER, false); |
| } |
| |
| @Override |
| public boolean isFixedName() { |
| return false; |
| } |
| |
| } |