com.espertech.esper.event.WrapperEventBeanMapCopyMethod Maven / Gradle / Ivy

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Complex event processing and event series analysis component

There is a newer version: 7.1.0

/*
 * *************************************************************************************
 *  Copyright (C) 2006-2015 EsperTech, Inc. All rights reserved.                       *
 *  http://www.espertech.com/esper                                                     *
 *  http://www.espertech.com                                                           *
 *  ---------------------------------------------------------------------------------- *
 *  The software in this package is published under the terms of the GPL license       *
 *  a copy of which has been included with this distribution in the license.txt file.  *
 * *************************************************************************************
 */

package com.espertech.esper.event;

import com.espertech.esper.client.EventBean;

import java.util.Map;
import java.util.HashMap;

/**
 * Copy method for wrapper events.
 */
public class WrapperEventBeanMapCopyMethod implements EventBeanCopyMethod
{
    private final WrapperEventType wrapperEventType;
    private final EventAdapterService eventAdapterService;

    /**
     * Ctor.
     * @param wrapperEventType wrapper type
     * @param eventAdapterService event adapter
     */
    public WrapperEventBeanMapCopyMethod(WrapperEventType wrapperEventType, EventAdapterService eventAdapterService)
    {
        this.wrapperEventType = wrapperEventType;
        this.eventAdapterService = eventAdapterService;
    }

    public EventBean copy(EventBean theEvent)
    {
        DecoratingEventBean decorated = (DecoratingEventBean) theEvent;
        EventBean decoratedUnderlying = decorated.getUnderlyingEvent();
        Map copiedMap = new HashMap(decorated.getDecoratingProperties());
        return eventAdapterService.adapterForTypedWrapper(decoratedUnderlying, copiedMap, wrapperEventType);
    }
}