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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.EPException;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.client.EventSender;
import com.espertech.esper.core.service.EPRuntimeEventSender;
import com.espertech.esper.core.thread.InboundUnitSendWrapped;
import com.espertech.esper.core.thread.ThreadingOption;
import com.espertech.esper.core.thread.ThreadingService;
import com.espertech.esper.event.map.MapEventType;

import java.util.Map;

/**
 * Event sender for map-backed events.
 * 
 * Allows sending only event objects of type map, does not check map contents. Any other event object generates an error.
 */
public class EventSenderMap implements EventSender
{
    private final EPRuntimeEventSender runtimeEventSender;
    private final EventAdapterService eventAdapterService;
    private final MapEventType mapEventType;
    private final ThreadingService threadingService;

    /**
     * Ctor.
     * @param runtimeEventSender for processing events
     * @param mapEventType the event type
     * @param threadingService for inbound threading
     * @param eventAdapterService for event bean creation
     */
    public EventSenderMap(EPRuntimeEventSender runtimeEventSender, MapEventType mapEventType, EventAdapterService eventAdapterService, ThreadingService threadingService)
    {
        this.runtimeEventSender = runtimeEventSender;
        this.mapEventType = mapEventType;
        this.threadingService = threadingService;
        this.eventAdapterService = eventAdapterService;
    }

    public void sendEvent(Object theEvent)
    {
        if (!(theEvent instanceof Map))
        {
            throw new EPException("Unexpected event object of type " + theEvent.getClass().getName() + ", expected " + Map.class.getName());
        }
        
        Map map = (Map) theEvent;
        EventBean mapEvent = eventAdapterService.adapterForTypedMap(map, mapEventType);

        if ((ThreadingOption.isThreadingEnabled) && (threadingService.isInboundThreading()))
        {
            threadingService.submitInbound(new InboundUnitSendWrapped(mapEvent, runtimeEventSender));
        }
        else
        {
            runtimeEventSender.processWrappedEvent(mapEvent);
        }
    }

    public void route(Object theEvent)
    {
        if (!(theEvent instanceof Map))
        {
            throw new EPException("Unexpected event object of type " + theEvent.getClass().getName() + ", expected " + Map.class.getName());
        }
        Map map = (Map) theEvent;
        EventBean mapEvent = eventAdapterService.adapterForTypedMap(map, mapEventType);
        runtimeEventSender.routeEventBean(mapEvent);
    }
}