com.workiva.frugal.util.BlockingRejectedExecutionHandler Maven / Gradle / Ivy
/*
* Copyright 2017 Workiva
* Licensed 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 com.workiva.frugal.util;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.RejectedExecutionHandler;
import java.util.concurrent.ThreadPoolExecutor;
/**
* Thread-pool rejection policy that blocks incoming requests.
*/
public class BlockingRejectedExecutionHandler implements RejectedExecutionHandler {
@Override
public final void rejectedExecution(final Runnable r, final ThreadPoolExecutor executor) {
try {
executor.getQueue().put(r);
} catch (InterruptedException e) {
throw new RejectedExecutionException("Interrupted while waiting to put the element", e);
}
}
}