package ca.pfv.spmf.algorithms.sequentialpatterns.spade_spam_AGP;
import java.util.concurrent.Callable;
import ca.pfv.spmf.algorithms.sequentialpatterns.spade_spam_AGP.savers.Saver;
/**
* This class is used by the methods that mine the database in a parallelized
* way. We make callable the class FrequentPatternEnumeration through this class.
*
* Copyright Antonio Gomariz PeƱalver 2013
*
* This file is part of the SPMF DATA MINING SOFTWARE
* (http://www.philippe-fournier-viger.com/spmf).
*
* SPMF 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 3 of the License, or (at your option) any later
* version.
*
* SPMF 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
* SPMF. If not, see <http://www.gnu.org/licenses/>.
*
* @author agomariz
*/
public class FrequentPatternEnumerationFacade implements Callable<Void> {
/**
* Link to a FrequentPatternEnumeration object
*/
private FrequentPatternEnumeration frequentPatternEnumeration;
/**
* Equivalence class through which we execute the main method of
* FrequentPatternEnumeration object
*/
private EquivalenceClass equivalenceClass;
/**
* Flag indicating if we are interested in a depth-first search. If it false
* we assume a breadth-first search.
*/
private boolean dfs;
/**
* Flag indicating if we want to keep the different patterns that we find.
*/
private boolean keepPatterns;
/**
* Flag for debugging purposes.
*/
private boolean verbose;
/**
* Standard constructor.
* @param frequentPatternEnumeration the FrequentPatternEnumeration object
* through which we search for the patterns.
* @param equivalenceClass Equivalence class from which we start the search.
* @param dfs Flag indicating if we want to keep the different patterns that
* we find.
* @param keepPatterns Flag indicating if we want to keep the different
* patterns that we find.
* @param verbose Flag for debugging purposes.
* @param saver Object that is in charge of saving the output either in a
* file or in the main memory.
*/
public FrequentPatternEnumerationFacade(FrequentPatternEnumeration frequentPatternEnumeration, EquivalenceClass equivalenceClass, boolean dfs, boolean keepPatterns, boolean verbose, Saver saver) {
this.frequentPatternEnumeration = frequentPatternEnumeration;
this.equivalenceClass = equivalenceClass;
this.keepPatterns = keepPatterns;
this.dfs = dfs;
this.verbose = verbose;
}
/**
* Implementation of callable interface. Thought for parallelized executions.
* @return a Void object
* @throws Exception
*/
@Override
public Void call() throws Exception {
frequentPatternEnumeration.execute(equivalenceClass, dfs, keepPatterns, verbose,null,null);
return null;
}
public FrequentPatternEnumeration getFrequentPatternEnumeration() {
return frequentPatternEnumeration;
}
public EquivalenceClass getEquivalenceClass() {
return equivalenceClass;
}
public boolean isVerbose() {
return verbose;
}
}