RfidContainer.java

package fi.insomnia.bortal.view;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import javax.faces.bean.ApplicationScoped;
import javax.faces.bean.ManagedBean;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import fi.insomnia.bortal.model.ReaderEvent;
import fi.insomnia.bortal.view.helpers.RfidEvent;

@ApplicationScoped
@ManagedBean
public class RfidContainer {
    private static final Logger logger = LoggerFactory.getLogger(RfidContainer.class);

    private Map<String, List<RfidEvent>> events = Collections.synchronizedMap(new HashMap<String, List<RfidEvent>>());

    public synchronized void foundTag(String reader, String tag, ReaderEvent revent) {
        if (!events.containsKey(reader)) {
            events.put(reader, Collections.synchronizedList(new LinkedList<RfidEvent>()));
        }

        List<RfidEvent> readerevents = events.get(reader);
        while (readerevents.size() > 20) {
            readerevents.remove(readerevents.size() - 1);
            logger.debug("Cleaning readerevents fro reader {}", reader);
        }
        if (readerevents.size() > 0 && readerevents.get(0).getTag().equals(tag)) {
            readerevents.get(0).seen();
        } else {
            readerevents.add(0, new RfidEvent(reader, tag, revent));
            logger.debug("Readerevents size {}", readerevents.size());
        }
    }

    public List<RfidEvent> getReaderEvents(String reader) {
        return events.get(reader);
    }

    public Map<String, List<RfidEvent>> getReaders() {
        return events;
    }

  
}