package ca.pfv.spmf.test;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import ca.pfv.spmf.algorithms.sequentialpatterns.prefixSpan_AGP.AlgoPrefixSpan_AGP;
import ca.pfv.spmf.algorithms.sequentialpatterns.prefixSpan_AGP.items.SequenceDatabase;
import ca.pfv.spmf.algorithms.sequentialpatterns.prefixSpan_AGP.items.creators.AbstractionCreator;
import ca.pfv.spmf.algorithms.sequentialpatterns.prefixSpan_AGP.items.creators.AbstractionCreator_Qualitative;
/**
* Example of how to use the algorithm GSP, saving the results in the main memory
*
* @author agomariz
*/
public class MainTestPrefixSpan_AGP_saveToMemory {
/**
* @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;
// 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(abstractionCreator);
//sequenceDatabase.loadFile(fileToPath("salidaFormateadaCodificadaSinIDs.txt"), support);
sequenceDatabase.loadFile(fileToPath("contextPrefixSpan.txt"), support);
AlgoPrefixSpan_AGP algorithm = new AlgoPrefixSpan_AGP(support, abstractionCreator);
System.out.println(sequenceDatabase.toString());
algorithm.runAlgorithm(sequenceDatabase, keepPatterns, verbose, null, outputSequenceIdentifiers);
System.out.println(algorithm.getNumberOfFrequentPatterns() + " patterns found.");
System.out.println(algorithm.printStatistics());
}
public static String fileToPath(String filename) throws UnsupportedEncodingException {
URL url = MainTestPrefixSpan_AGP_saveToFile.class.getResource(filename);
return java.net.URLDecoder.decode(url.getPath(), "UTF-8");
}
}