
package io.fabric8.mq.coordination.brokers;

import org.apache.activemq.command.ActiveMQDestination;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class BrokerDestinationOverview implements BrokerDestinationOverviewMBean {
    private static final Logger LOG = LoggerFactory.getLogger(BrokerDestinationOverview.class);
    private final ActiveMQDestination destination;
    private int queueDepth;
    private int numberOfProducers;
    private int numberOfConsumers;
    private int queueDepthRate;

    public BrokerDestinationOverview(ActiveMQDestination destination) {
        this.destination = destination;
    }

    @Override
    public String getName() {
        return destination.getPhysicalName();
    }

    public ActiveMQDestination getDestination() {
        return destination;
    }

    @Override
    public int getNumberOfConsumers() {
        return numberOfConsumers;
    }

    public void setNumberOfConsumers(int numberOfConsumers) {
        this.numberOfConsumers = numberOfConsumers;
    }

    @Override
    public int getNumberOfProducers() {
        return numberOfProducers;
    }

    public void setNumberOfProducers(int numberOfProducers) {
        this.numberOfProducers = numberOfProducers;
    }

    @Override
    public int getQueueDepth() {
        return queueDepth;
    }

    public void setQueueDepth(int queueDepth) {
        queueDepthRate = queueDepth - this.queueDepth;
        this.queueDepth = queueDepth;
    }

    public int getQueueDepthRate() {
        return queueDepthRate;
    }

    @Override
    public int compareTo(BrokerDestinationOverviewMBean other) {
        int result = other.getQueueDepth() - getQueueDepth();
        if (result == 0) {
            result = other.getNumberOfProducers() - getNumberOfProducers();
            if (result == 0) {
                result = other.getNumberOfConsumers() - getNumberOfConsumers();
            }
        }
        return result;
    }

    public String toString() {
        return destination.getPhysicalName() + ":,depth=" + getQueueDepth() + ",producers=" + getNumberOfProducers() + ",consumers=" + getNumberOfConsumers();
    }

    public enum Type {QUEUE, TOPIC}

}
