org.unitime.timetable.solver.SolverPassivationThread.java Source code

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Here is the source code for org.unitime.timetable.solver.SolverPassivationThread.java

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/*
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.
 *
 * The Apereo Foundation licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
*/
package org.unitime.timetable.solver;

import java.io.File;
import java.util.Iterator;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.unitime.timetable.solver.exam.ExamSolverProxy;
import org.unitime.timetable.solver.studentsct.StudentSolverProxy;

/**
 * @author Tomas Muller
 */
public class SolverPassivationThread extends Thread {
    private static Log sLog = LogFactory.getLog(SolverPassivationThread.class);
    private File iFolder = null;
    private Map<String, ? extends SolverProxy> iSolvers = null;
    private Map<String, ? extends ExamSolverProxy> iExamSolvers = null;
    private Map<String, ? extends StudentSolverProxy> iStudentSolvers = null;
    public static long sDelay = 30000;

    public SolverPassivationThread(File folder, Map<String, ? extends SolverProxy> solvers,
            Map<String, ? extends ExamSolverProxy> examSolvers,
            Map<String, ? extends StudentSolverProxy> studentSolvers) {
        iFolder = folder;
        iSolvers = solvers;
        iExamSolvers = examSolvers;
        iStudentSolvers = studentSolvers;
        setName("SolverPasivationThread");
        setDaemon(true);
        setPriority(Thread.MIN_PRIORITY);
    }

    public void run() {
        try {
            sLog.info("Solver passivation thread started.");
            while (true) {
                for (Iterator i = iSolvers.entrySet().iterator(); i.hasNext();) {
                    Map.Entry entry = (Map.Entry) i.next();
                    String puid = (String) entry.getKey();
                    SolverProxy solver = (SolverProxy) entry.getValue();
                    solver.passivateIfNeeded(iFolder, puid);
                }
                for (Iterator i = iExamSolvers.entrySet().iterator(); i.hasNext();) {
                    Map.Entry entry = (Map.Entry) i.next();
                    String puid = (String) entry.getKey();
                    ExamSolverProxy solver = (ExamSolverProxy) entry.getValue();
                    solver.passivateIfNeeded(iFolder, puid);
                }
                for (Iterator i = iStudentSolvers.entrySet().iterator(); i.hasNext();) {
                    Map.Entry entry = (Map.Entry) i.next();
                    String puid = (String) entry.getKey();
                    StudentSolverProxy solver = (StudentSolverProxy) entry.getValue();
                    solver.passivateIfNeeded(iFolder, puid);
                }
                try {
                    sleep(sDelay);
                } catch (InterruptedException e) {
                    break;
                }
            }
            sLog.info("Solver passivation thread finished.");
        } catch (Exception e) {
            sLog.error("Solver passivation thread failed, reason: " + e.getMessage(), e);
        }
    }

}