123 lines
3.6 KiB
Java
123 lines
3.6 KiB
Java
/*
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* Copyright (c) 2015, 2016 OpenStack Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.openstack.storlet.daemon;
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import org.slf4j.Logger;
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import org.openstack.storlet.common.*;
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import java.util.HashMap;
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import java.util.ArrayList;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.concurrent.Future;
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/*----------------------------------------------------------------------------
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* SExecutionTask
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*
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* Thread pool worker. Wraps File I/O streams for the further
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* utilization by storlet
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* */
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public class SExecutionTask extends SAbstractTask implements Runnable {
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private StorletLogger storletLogger_ = null;
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private IStorlet storlet_ = null;
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private ArrayList<StorletInputStream> inStreams_ = null;
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private ArrayList<StorletOutputStream> outStreams_ = null;
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private HashMap<String, String> executionParams_ = null;
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private OutputStream taskIdOut_ = null;
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private String taskId_ = null;
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private HashMap<String, Future> taskIdToTask_ = null;
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public SExecutionTask(IStorlet storlet,
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ArrayList<StorletInputStream> instreams,
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ArrayList<StorletOutputStream> outstreams, OutputStream taskIdOut,
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HashMap<String, String> executionParams,
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StorletLogger storletLogger, Logger logger) {
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super(logger);
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this.storlet_ = storlet;
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this.inStreams_ = instreams;
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this.outStreams_ = outstreams;
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this.executionParams_ = executionParams;
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this.storletLogger_ = storletLogger;
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this.taskIdOut_ = taskIdOut;
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}
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public ArrayList<StorletInputStream> getInStreams() {
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return inStreams_;
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}
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public ArrayList<StorletOutputStream> getOutStreams() {
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return outStreams_;
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}
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public HashMap<String, String> getExecutionParams() {
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return executionParams_;
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}
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public OutputStream getTaskIdOut() {
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return taskIdOut_;
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}
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public void setTaskId(String taskId) {
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taskId_ = taskId;
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}
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public void setTaskIdToTask(HashMap<String, Future> taskIdToTask) {
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taskIdToTask_ = taskIdToTask;
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}
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private void closeStorletInputStreams(){
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for(StorletInputStream stream : inStreams_){
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stream.close();
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}
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}
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private void closeStorletOutputStreams(){
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for(StorletOutputStream stream: outStreams_){
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stream.close();
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}
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}
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private void closeStorletStreams(){
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closeStorletInputStreams();
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closeStorletOutputStreams();
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}
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@Override
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public void run() {
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try {
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storletLogger_.emitLog("About to invoke storlet");
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storlet_.invoke(inStreams_, outStreams_, executionParams_,
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storletLogger_);
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storletLogger_.emitLog("Storlet invocation done");
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synchronized (taskIdToTask_) {
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taskIdToTask_.remove(taskId_);
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}
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} catch (StorletException e) {
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storletLogger_.emitLog(e.getMessage());
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} finally {
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storletLogger_.close();
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// We make sure all streams are closed
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closeStorletStreams();
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}
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}
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}
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