001/*
002 * (C) Copyright 2010 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Nuxeo - initial API and implementation
018 */
019package org.nuxeo.ecm.platform.routing.core.impl;
020
021import java.util.List;
022
023import org.nuxeo.ecm.core.api.CoreSession;
024import org.nuxeo.ecm.platform.routing.api.DocumentRouteElement;
025
026/**
027 * Run all of its children simultaneous and is done when all the children are done.
028 *
029 * @author <a href="mailto:arussel@nuxeo.com">Alexandre Russel</a>
030 * @deprecated since 5.9.2 - Use only routes of type 'graph'
031 */
032@Deprecated
033public class ParallelRunner extends AbstractRunner implements ElementRunner {
034
035    @Override
036    public void run(CoreSession session, DocumentRouteElement element) {
037        List<DocumentRouteElement> children = getChildrenElement(session, element);
038        if (children.isEmpty()) {
039            element.setRunning(session);
040            element.setDone(session);
041            return;
042        }
043        if (!element.isRunning()) {
044            element.setRunning(session);
045            boolean someChildrenNotDone = false;
046            for (DocumentRouteElement child : children) {
047                child.run(session);
048                if (!child.isDone()) {
049                    someChildrenNotDone = true;
050                }
051            }
052            if (!someChildrenNotDone) {
053                element.setDone(session);
054            }
055            return;
056        } else {
057            boolean someChildrenNotDone = false;
058            for (DocumentRouteElement child : children) {
059                if (!child.isDone()) {
060                    child.run(session);
061                    if (!child.isDone()) {
062                        someChildrenNotDone = true;
063                    }
064                }
065            }
066            if (!someChildrenNotDone) {
067                element.setDone(session);
068            }
069        }
070    }
071}