/*
 * © 2010 GX creative online development B.V. All rights reserved. The contents of this work is confidential.
 * It is prohibited to copy, duplicate or alter this work in any manner without the express prior written
 * approval of GX creative online development B.V.
 */
package com.gxwebmanager.solutions.productmaintenancepanel.service;

import nl.gx.webmanager.services.event.EntityEvent;

import com.gxwebmanager.solutions.productmaintenancepanel.vo.ValueObject;

/**
 * This class is used to publish CRUD events on the ValueObjects.
 * 
 * @author markvc
 */
public class ValueObjectEvent implements EntityEvent {

    // Holds the value object for which the event has occured
    private ValueObject myValueObject;

    // Holds the event type of the event
    private final Type myEventType;

    // Holds the action that was or is about to be performed
    private final String myEventAction;

    // Holds the scope of the event, used by the subscribers
    private Class<? extends ValueObject> myScope = ValueObject.class;

    // Holds the object the event was published from
    private final Object mySource;

    /**
     * Constructor for the event
     * 
     * @param eventType The event type which can be either PRE or POST.
     * @param valueObject The value object which is the result of the performed action.
     * @param eventAction Action performed on the media item. Typically one defined by the
     *            <code>EntityEvent</code> interface.
     * @param source The source object on which the event was published.
     * @param scope Scope of the event.
     */
    public ValueObjectEvent(Type eventType, ValueObject valueObject, String eventAction, Object source,
            Class<? extends ValueObject> scope) {
        myEventType = eventType;
        myEventAction = eventAction;
        mySource = source;
        myValueObject = valueObject;
        myScope = scope;
    }

    /**
     * Constructor for the event
     * 
     * @param eventType The event type which can be either PRE or POST.
     * @param valueObject The value object which is the result of the performed action.
     * @param eventAction Action performed on the media item. Typically one defined by the
     *            <code>EntityEvent</code> interface.
     * @param source The source object on which the event was published.
     */
    public ValueObjectEvent(Type eventType, ValueObject valueObject, String eventAction, Object source) {
        this(eventType, valueObject, eventAction, source, valueObject.getClass());
    }

    /**
     * {@inheritDoc}
     */
    public Object getEntity() {
        return myValueObject;
    }

    /**
     * {@inheritDoc}
     */
    public String getEventAction() {
        return myEventAction;
    }

    /**
     * {@inheritDoc}
     */
    public Type getEventType() {
        return myEventType;
    }

    /**
     * {@inheritDoc}
     */
    public Class<?> getScope() {
        return myScope;
    }

    /**
     * {@inheritDoc}
     */
    public Object getSource() {
        return mySource;
    }

}