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https://github.com/Alfresco/alfresco-community-repo.git
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d4e4aeeaa3
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@14122 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
71 lines
2.7 KiB
Java
71 lines
2.7 KiB
Java
/*
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* Copyright (C) 2005-2009 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.repo.activities.feed;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Responsible for splitting the feed task into feed jobs (to be executed locally or on a grid)
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*/
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public class FeedTaskSplit
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{
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private static Log logger = LogFactory.getLog(FeedTaskSplit.class);
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public Collection<JobSettings> split(int gridSize, JobSettings splitSettings)
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{
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long maxSequence = splitSettings.getMaxSeq();
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if (logger.isDebugEnabled())
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{
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logger.debug("split: start - gridSize = " + gridSize + ", maxSequence = " + maxSequence);
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}
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long minSequence = maxSequence - splitSettings.getMaxItemsPerCycle() + 1;
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splitSettings.setMinSeq((minSequence >= 0L ? minSequence : 0L));
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List<JobSettings> jobs = new ArrayList<JobSettings>(gridSize);
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int maxNodeHash = splitSettings.getJobTaskNode();
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// note: gridSize may change between runs, hence use maximum node hash/bucket for this cycle
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for (int n = 1; n <= maxNodeHash; n++)
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{
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// every job gets its own copy of the jobSettings (with different nodeHash) as an argument.
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JobSettings jobSettings = splitSettings.clone();
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jobSettings.setJobTaskNode(n);
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jobs.add(jobSettings);
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}
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return jobs;
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}
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}
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