CharafeddineMechalikh/PureEdgeSim

package com.mechalikh.pureedgesim.simulationengine;

import java.util.Objects;

public class Event implements Comparable<Event>, QueueElement {
    double time;
    protected SimEntity simEntity;
    protected int tag;
    protected Object data;
    protected long serial;

    public Event(SimEntity simEntity, Double time, int tag) {
        this.simEntity = simEntity;
        this.time = time;
        this.tag = tag;
    }

    public Event(SimEntity simEntity, Double time, int tag, Object data) {
        this.simEntity = simEntity;
        this.time = time;
        this.tag = tag;
        this.data = data;
    }

    public int getTag() {
        return tag;
    }

    public double getTime() {
        return time;
    }

    public SimEntity getSimEntity() {
        return simEntity;
    }

    public Object getData() {
        return data;
    }

    public void setSerial(long l) {
        this.serial = l;
    }

    @Override
    public int compareTo(final Event that) {
        if (that.equals(null)) {
            return 1;
        }

        if (this.equals(that)) {
            return 0;
        }

        int res = Double.compare(time, that.getTime());
        if (res != 0) {
            return res;
        }

        return Long.compare(serial, that.getSerial());
    }

    @Override
    public boolean equals(final Object obj) {
        if (this == obj)
            return true;
        if (obj == null || getClass() != obj.getClass())
            return false;
        final Event that = (Event) obj;
        return Double.compare(that.getTime(), getTime()) == 0 && getTag() == that.getTag()
                && getSerial() == that.getSerial();
    }

    @Override
    public int hashCode() {
        return Objects.hash(getTime(), getTag(), getSerial());
    }

    public long getSerial() {
        return this.serial;
    }

}