org.apache.cxf.workqueue.SynchronousExecutor 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.cxf.workqueue;
import java.util.concurrent.Executor;
/**
* Used to mimic Executor semantics by hijacking calling thread.
* Must be used for Service.getExecutor() return unless a real
* (i.e. truely asynchronous) Executor is available.
*/
public final class SynchronousExecutor implements Executor {
private static final SynchronousExecutor INSTANCE = new SynchronousExecutor();
private SynchronousExecutor() {
}
public void execute(Runnable command) {
command.run();
}
public static SynchronousExecutor getInstance() {
return INSTANCE;
}
public static boolean isA(Executor executor) {
return executor == INSTANCE;
}
}