CardinalityConstraintsDemo.java

Go to the documentation of this file.

import java.io.PrintStream;
import java.util.Properties;

import org.python.core.PyObject;
import org.python.util.PythonInterpreter;
import edu.tum.cs.srldb.Database;

import java.io.File;


public class CardinalityConstraintsDemo implements Runnable {

        protected int m_StudentCount, m_CourseCount, m_DefiniteCourseConstraint, m_lBCount, m_lICount, m_SampleCount;
        protected String m_Tag;
        static PythonInterpreter jython = null;
        protected static String script;

        public CardinalityConstraintsDemo(int studentCount, int courseCount, int definiteCourseConstraint) {
                m_StudentCount = studentCount;
                m_CourseCount = courseCount;
                m_DefiniteCourseConstraint = definiteCourseConstraint;
                m_lBCount = 6;
                m_lICount = 6;
                m_SampleCount = 1;
                m_Tag = "";
        }
        public CardinalityConstraintsDemo(int studentCount, int courseCount, int definiteCourseConstraint, int bCount, int lCount) {
                this(studentCount, courseCount, definiteCourseConstraint);
                m_lBCount = bCount;
                m_lICount = lCount;
        }

        public CardinalityConstraintsDemo(int studentCount, int courseCount, int definiteCourseConstraint, int bCount, int lCount, int sampleCount, String tag) {
                this(studentCount, courseCount, definiteCourseConstraint, bCount, lCount);
                m_SampleCount = sampleCount;
                m_Tag = tag;
        }
        
        public void run() {
                try {
                        genParameterizedDB();
                } catch (Exception ex) {
                        System.err.println(ex);                 
                }
        }
        
        protected void genParameterizedDB() throws Exception {
                jython.exec("global GUID");
                for (int i = 0; i < m_SampleCount; i++) {
                        jython.exec("GUID = 1");

                        jython.exec("sys.argv = []");
                        jython.exec("sys.argv.append('" + script + "')");
                        jython.exec("sys.argv.append('" + m_StudentCount + "')");
                        jython.exec("sys.argv.append('" + m_CourseCount + "')");
                        jython.exec("sys.argv.append('" + m_DefiniteCourseConstraint + "')");
                        jython.exec("sys.argv.append('" + m_lBCount + "')");
                        jython.exec("sys.argv.append('" + m_lICount + "')");

                        jython.execfile(script);
                        PyObject dbObj = jython.get("db");
                        if(dbObj == null) {
                                throw new Exception("Generator script does not define 'db' object!");
                        }
                        Database db = (Database) dbObj.__tojava__(Database.class);
                        db.check();
                        File outFile, outFile2;
                        String prefix = new String("DB-"+m_StudentCount+"-"+m_CourseCount+"-"+m_DefiniteCourseConstraint+"-"+m_lBCount+"-"+m_lICount+"-"+i);
                        if (m_Tag != "") {
                                prefix = prefix+"-"+m_Tag;
                        }
                        outFile = new File(prefix + ".db");
                        outFile2 = new File(prefix + ".blogdb");
                        PrintStream outDB = new PrintStream(outFile);
                        db.writeMLNDatabase(outDB);
                        outDB = new PrintStream(outFile2);
                        db.writeBLOGDatabase(outDB);
                }
        }
        
        public static void main(String[] args) {
                Properties props = new Properties();
                //props.put("python.path", "datagen;bin;python");
                //props.put("python.home", "C:\\jython-2.2.1");
                props.put("python.path", "/usr/wiss/jain/work/code/SRLDB/bin:/usr/wiss/jain/work/code/SRLDB/datagen");
                PythonInterpreter.initialize(System.getProperties(), props, null);
                
                jython = new PythonInterpreter();
                jython.exec("import sys");
                CardinalityConstraintsDemo xg = null;
                try {
                        
                        // stochastic
                        /*
                        script = "gen_simple.py"; 
                        for (int i = 12; i <= 36; i++) {
                                xg = new CardinalityConstraintsDemo(45,i,6,6,0,5,"Lx");
                                xg.genParameterizedDB();
                        }
                        */
                        
                        // perfect
                        script = "gen_simple_exact.py";
                        for (int i = 15; i <= 35; i += 5) {
                                xg = new CardinalityConstraintsDemo(45,i,6,6,0,1,"Lp");
                                xg.genParameterizedDB();
                        }
                        
                        // C-Classification
                        /*for (int i = 12; i <= 20; i++) {
                                xg = new CardinalityConstraintsDemo(10,i,6,6,0,3,"I");
                                xg.genParameterizedDB();
                        }*/
                        /*
                        for (int i = 3; i <= 9; i = i + 3) {
                                xg = new CardinalityConstraintsDemo(10,i,1,i/3,i/3,5);
                                xg.genParameterizedDB();
                        }*/
                } catch (Exception e) {
                        System.err.println(e);
                }
        }

}

---

srldb
Author(s): Dominik Jain, Stefan Waldherr, Moritz Tenorth
autogenerated on Fri Jan 11 09:58:29 2013