/*
 * © 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.dao;

import nl.gx.webmanager.services.datasource.DataSourceManager;
import nl.gx.webmanager.services.event.Event;
import nl.gx.webmanager.services.event.EventManagerService;

import com.gxwebmanager.solutions.productmaintenancepanel.service.ValueObjectEvent;
import com.gxwebmanager.solutions.productmaintenancepanel.vo.ValueObject;
import com.gxwebmanager.solutions.productmaintenancepanel.vo.ValueObjectMapper;

/**
 * Subclass of the DAOHelper that publishes events to the WebManager EventManagementService when changes are
 * made to any of the stored ValueObjects.
 * 
 * @author markvc
 */
public class EventPublishingDAOHelper extends DAOHelper {

    private EventManagerService myEventManagerService;

    /**
     * Constructor for the EventPublishingDAOHelper.
     * 
     * @param ds DataSource name to use.
     * @param dsm Reference to the DataSourceManager.
     * @param mapper The ValueObject mapping to use.
     * @param EventManagerService Reference to the EventManagementService.
     */
    public EventPublishingDAOHelper(String ds, DataSourceManager dsm, ValueObjectMapper mapper,
            EventManagerService eventManagementService) {
        super(ds, dsm, mapper);
        myEventManagerService = eventManagementService;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void delete(ValueObject vo) {
        myEventManagerService
            .publish(new ValueObjectEvent(Event.Type.PRE, vo, ValueObjectEvent.DELETE, this));
        super.delete(vo);
        myEventManagerService
            .publish(new ValueObjectEvent(Event.Type.POST, vo, ValueObjectEvent.DELETE, this));
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Integer insert(ValueObject vo) {
        myEventManagerService
            .publish(new ValueObjectEvent(Event.Type.PRE, vo, ValueObjectEvent.CREATE, this));
        Integer voId = super.insert(vo);
        myEventManagerService
            .publish(new ValueObjectEvent(Event.Type.POST, vo, ValueObjectEvent.CREATE, this));
        return voId;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void update(ValueObject vo) {
        myEventManagerService
            .publish(new ValueObjectEvent(Event.Type.PRE, vo, ValueObjectEvent.UPDATE, this));
        super.update(vo);
        myEventManagerService
            .publish(new ValueObjectEvent(Event.Type.POST, vo, ValueObjectEvent.UPDATE, this));
    }

}