/**************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* 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.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.
* <p>
* 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 event)
{
if (!(event instanceof Map))
{
throw new EPException("Unexpected event object of type " + event.getClass().getName() + ", expected " + Map.class.getName());
}
Map<String, Object> map = (Map<String, Object>) event;
EventBean mapEvent = eventAdapterService.adaptorForTypedMap(map, mapEventType);
if ((ThreadingOption.isThreadingEnabled) && (threadingService.isInboundThreading()))
{
threadingService.submitInbound(new InboundUnitSendWrapped(mapEvent, runtimeEventSender));
}
else
{
runtimeEventSender.processWrappedEvent(mapEvent);
}
}
public void route(Object event)
{
if (!(event instanceof Map))
{
throw new EPException("Unexpected event object of type " + event.getClass().getName() + ", expected " + Map.class.getName());
}
Map<String, Object> map = (Map<String, Object>) event;
EventBean mapEvent = eventAdapterService.adaptorForTypedMap(map, mapEventType);
runtimeEventSender.routeEventBean(mapEvent);
}
}