src/main/java/org/apache/fineract/cn/async/config/AsyncProcessingJavaConfiguration.java

/*
 * 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.fineract.cn.async.config;

import org.apache.fineract.cn.async.core.DelegatingContextExecutor;
import org.apache.fineract.cn.async.util.AsyncConstants;
import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
import org.springframework.aop.interceptor.SimpleAsyncUncaughtExceptionHandler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.security.task.DelegatingSecurityContextAsyncTaskExecutor;

import java.util.concurrent.Executor;

@Configuration
@EnableAsync
public class AsyncProcessingJavaConfiguration
    implements AsyncConfigurer {

  private final Environment env;

  @Autowired
  public AsyncProcessingJavaConfiguration(final Environment env) {
    super();
    this.env = env;
  }

  @Override
  public Executor getAsyncExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(
        Integer.valueOf(this.env.getProperty(AsyncConstants.CORE_POOL_SIZE_PROP, AsyncConstants.CORE_POOL_SIZE_DEFAULT)));
    executor.setMaxPoolSize(
        Integer.valueOf(this.env.getProperty(AsyncConstants.MAX_POOL_SIZE_PROP, AsyncConstants.MAX_POOL_SIZE_DEFAULT)));
    executor.setQueueCapacity(
        Integer.valueOf(this.env.getProperty(AsyncConstants.QUEUE_CAPACITY_PROP, AsyncConstants.QUEUE_CAPACITY_DEFAULT)));
    executor.setThreadNamePrefix(
        this.env.getProperty(AsyncConstants.THREAD_NAME_PROP, AsyncConstants.THREAD_NAME_DEFAULT));
    executor.initialize();

    return new DelegatingContextExecutor(new DelegatingSecurityContextAsyncTaskExecutor(executor));
  }

  @Override
  public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
    return new SimpleAsyncUncaughtExceptionHandler();
  }
}