com.thesoftwareguild.flightmaster.queryExecutor.PQThread.java Source code

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Here is the source code for com.thesoftwareguild.flightmaster.queryExecutor.PQThread.java

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package com.thesoftwareguild.flightmaster.queryExecutor;

import com.thesoftwareguild.flightmaster.daos.RequestDao;
import com.thesoftwareguild.flightmaster.models.Flight;
import java.io.IOException;
import java.util.List;
import java.util.PriorityQueue;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;

/**
 *
 * @author yan
 */
@Component
public class PQThread implements Runnable {
    private static final Logger logger = Logger.getLogger(ExecutorPQ.class);

    @Qualifier("requestDaoJdbc")
    @Autowired
    private RequestDao requestDao;

    private boolean shutdown;

    public PQThread() {
    }

    @Autowired
    private PriorityQueue<Request> pq;

    @Override
    public void run() {
        if (pq.peek() != null && pq.peek().getExecutionTime() < System.currentTimeMillis()) {
            try {
                Request request = pq.poll();
                List<Flight> result = request.execute();
                requestDao.addFlights(request.getRequestId(), result);
                if (request.hasRequest())
                    pq.add(request);
                else
                    System.out.println("Requests depleted");

            } catch (IOException ex) {
                logger.error(ex);
            }
        }
    }

    @PostConstruct
    public void init() {
        this.shutdown = false;
    }

    @PreDestroy
    public void shutdown() {
        this.shutdown = true;
    }

    public PriorityQueue<Request> getPq() {
        return pq;
    }

    public void setPq(PriorityQueue<Request> pq) {
        this.pq = pq;
    }

    public void setRequestDao(RequestDao requestDao) {
        this.requestDao = requestDao;
    }

}