package ca.pfv.spmf.test;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import ca.pfv.spmf.algorithms.sequentialpatterns.clospan_AGP.AlgoCloSpan;
import ca.pfv.spmf.algorithms.sequentialpatterns.clospan_AGP.items.SequenceDatabase;
import ca.pfv.spmf.algorithms.sequentialpatterns.clospan_AGP.items.creators.AbstractionCreator;
import ca.pfv.spmf.algorithms.sequentialpatterns.clospan_AGP.items.creators.AbstractionCreator_Qualitative;
/**
* Example of how to use the algorithm CloSpan, saving the results in a given
* file
* @author agomariz
*/
public class MainTestCloSpan_saveToFile {
/**
* @param args the command line arguments
*/
public static void main(String[] args) throws IOException {
// Load a sequence database
double support = (double) 180 / 360;
boolean keepPatterns = true;
boolean verbose = false;
boolean findClosedPatterns = true;
boolean executePruningMethods = true;
// if you set the following parameter to true, the sequence ids of the sequences where
// each pattern appears will be shown in the result
boolean outputSequenceIdentifiers = false;
AbstractionCreator abstractionCreator = AbstractionCreator_Qualitative.getInstance();
SequenceDatabase sequenceDatabase = new SequenceDatabase();
sequenceDatabase.loadFile(fileToPath("contextPrefixSpan.txt"), support);
//sequenceDatabase.loadFile(fileToPath("contextCloSpan.txt"), support);
//sequenceDatabase.loadFile(fileToPath("gazelle.txt"), support);
//System.out.println(sequenceDatabase.toString());
AlgoCloSpan algorithm = new AlgoCloSpan(support, abstractionCreator, findClosedPatterns,executePruningMethods);
algorithm.runAlgorithm(sequenceDatabase, keepPatterns, verbose, ".//output.txt", outputSequenceIdentifiers);
System.out.println(algorithm.getNumberOfFrequentPatterns() + " pattern found.");
if (keepPatterns) {
System.out.println(algorithm.printStatistics());
}
}
public static String fileToPath(String filename) throws UnsupportedEncodingException {
URL url = MainTestCloSpan_saveToFile.class.getResource(filename);
return java.net.URLDecoder.decode(url.getPath(), "UTF-8");
}
}