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RDBMS based messaging as an alternative to other standard messaging like JMS / Kafka

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package org.simple4j.eventdistributor.japi;

import java.util.List;

import org.simple4j.eventdistributor.beans.Event;

/**
 * Abstract class to hold the rules to map event to target systems.
 * 
 */
public abstract class EventTargetRule
{
	protected List targetIds = null;
	public List getTargetIds()
	{
		return targetIds;
	}
	public void setTargetIds(List targetIds)
	{
		this.targetIds = targetIds;
	}

	/**
	 * This method will return true if the rule matches for the event.
	 * 
	 * Rule evaluation should not depend on source of the event as that will cause 
	 * conflict with duplicate detection logic which does not include source value check.
	 * 
	 * @param event - the rule will be applied on this event instance
	 * @return - return true if the rule matches
	 * 
	 */
	public abstract boolean eval(Event event);
}