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First-cut Activity Service (SLNG-20)

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@9128 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Jan Vonka
2008-05-15 16:34:11 +00:00
parent 9e67621ace
commit 067013afad
58 changed files with 5420 additions and 2 deletions
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source/java/org/alfresco/repo/activities/feed/FeedTaskSplit.java Normal file
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/*
* Copyright (C) 2005-2008 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing"
*/
package org.alfresco.repo.activities.feed;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Responsible for splitting the feed task into feed jobs (to be executed locally or on a grid)
*/
public class FeedTaskSplit
{
private static Log logger = LogFactory.getLog(FeedTaskSplit.class);
public Collection<JobSettings> split(int gridSize, JobSettings splitSettings)
{
long maxSequence = splitSettings.getMaxSeq();
if (logger.isDebugEnabled())
{
logger.debug("split: start - gridSize = " + gridSize + ", maxSequence = " + maxSequence);
}
long minSequence = maxSequence - splitSettings.getMaxItemsPerCycle() + 1;
splitSettings.setMinSeq((minSequence >= 0L ? minSequence : 0L));
List<JobSettings> jobs = new ArrayList<JobSettings>(gridSize);
int maxNodeHash = splitSettings.getJobTaskNode();
// note: gridSize may change between runs, hence use maximum node hash/bucket for this cycle
for (int n = 1; n <= maxNodeHash; n++)
{
// every job gets its own copy of the jobSettings (with different nodeHash) as an argument.
JobSettings jobSettings = splitSettings.clone();
jobSettings.setJobTaskNode(n);
jobs.add(jobSettings);
}
return jobs;
}
}