ActivityExecutorProducer.java

/*
 * Copyright [2014] [Christian Loehnert, krampenschiesser@gmail.com]
 * 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 de.ks.activity.executor;

import de.ks.activity.context.ActivityContext;
import de.ks.activity.context.ActivityScoped;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.enterprise.inject.Disposes;
import javax.enterprise.inject.Produces;

public class ActivityExecutorProducer {
  private static final Logger log = LoggerFactory.getLogger(ActivityExecutorProducer.class);

  @Produces
  @ActivityScoped
  public ActivityExecutor createExecutorService(ActivityContext context) {
    //use 2 as core pool size as sometimes the scheduled thread pool doesn't start another thread
    //when 1 blocks and a second runnable is in the queue
    return new ActivityExecutor(context.getCurrentActivity(), 8, Integer.MAX_VALUE);
  }

  public void shutdownActivityExecutor(@Disposes ActivityExecutor executor) {
    new GracefulExecutorShutdown().shutdown(executor, executor.getName());
  }
}