/**
* AnalyzerBeans
* Copyright (C) 2014 Neopost - Customer Information Management
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.eobjects.analyzer.cluster;
import org.eobjects.analyzer.job.AnalysisJob;
/**
* Component responsible for determining how many divisions/chunks to build from
* a single master job. Each division will be represented by a slave job.
*
* Too many divisions will cause too much distribution, i.e. units of work being
* too small and time is wasted in distribution instead of execution.
*
* Too few divisions will cause potential bottleneck situations because the
* slowest execution nodes will be determining the total job execution time.
*/
public interface JobDivisionManager {
public int calculateDivisionCount(AnalysisJob masterJob, int expectedRows);
}