com.microsoft.graph.concurrency.SynchronousExecutor Maven / Gradle / Ivy
// ------------------------------------------------------------------------------
// Copyright (c) 2017 Microsoft Corporation
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sub-license, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
// ------------------------------------------------------------------------------
package com.microsoft.graph.concurrency;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicInteger;
/**
* An executor that runs only on the main thread of an application
*/
public class SynchronousExecutor implements Executor {
/**
* The current number of synchronously executing actions
*/
private AtomicInteger activeCount = new AtomicInteger(0);
/**
* Executes the given Runnable task
*
* @param runnable the task to run on the main thread
*/
@Override public void execute(final Runnable runnable) {
activeCount.incrementAndGet();
runnable.run();
activeCount.decrementAndGet();
}
/**
* Get the account number of executing actions
*
* @return the count
*/
public int getActiveCount() {
return activeCount.get();
}
}