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/*
 * Copyright 2012 International Business Machines Corp.
 * 
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. 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.ibm.jbatch.spi.services;

/*
 * The ExecutorService provides the capability to run tasks asynchronously.
 * The instances of the Executor service are not managed by the ServicesManager cache
 * each invocation of ServicesManager.getExecutorService() returns a new instance of this 
 * service. The caller is responsible for shutting down the service when work is completed
 * 
 */
public interface IBatchThreadPoolService extends IBatchServiceBase {

    /**
     * (Required) Runs the given task. A task is usually short lived
     * 
     * @param work
     *            The task to execute
     * @param config
     *            Optional configuration to customize the execution. The
     *            Container always passes a null value. Typically used when
     *            other user plugins wish to use the ExecutorService to execute
     *            tasks.
     */

    public void executeTask(Runnable work, Object config);

    /**
     * Runs the given task. A task is usually short lived
     * 
     * @param work
     *            The task to execute
     * @param config
     *            Optional configuration to customize the execution. The
     *            Container always passes a null value. Typically used when
     *            other user plugins wish to use the ExecutorService to execute
     *            tasks.
     */

    public ParallelTaskResult executeParallelTask(Runnable work, Object config);


}