net.esper.eql.expression
Class SelectExprJoinWildcardProcessor

java.lang.Object
  extended by net.esper.eql.expression.SelectExprJoinWildcardProcessor
All Implemented Interfaces:
SelectExprProcessor

public class SelectExprJoinWildcardProcessor
extends java.lang.Object
implements SelectExprProcessor

Processor for select-clause expressions that handles wildcards. Computes results based on matching events.


Constructor Summary
SelectExprJoinWildcardProcessor(java.lang.String[] streamNames, EventType[] streamTypes)
          Ctor.
 
Method Summary
 EventType getResultEventType()
          Returns the event type that represents the select-clause items.
 EventBean process(EventBean[] eventsPerStream)
          Computes the select-clause results and returns an event of the result event type that contains, in it's properties, the selected items.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SelectExprJoinWildcardProcessor

public SelectExprJoinWildcardProcessor(java.lang.String[] streamNames,
                                       EventType[] streamTypes)
Ctor.

Parameters:
streamNames - - name of each stream
streamTypes - - type of each stream
Method Detail

process

public EventBean process(EventBean[] eventsPerStream)
Description copied from interface: SelectExprProcessor
Computes the select-clause results and returns an event of the result event type that contains, in it's properties, the selected items.

Specified by:
process in interface SelectExprProcessor
Returns:
event with properties containing selected items

getResultEventType

public EventType getResultEventType()
Description copied from interface: SelectExprProcessor
Returns the event type that represents the select-clause items.

Specified by:
getResultEventType in interface SelectExprProcessor
Returns:
event type representing select-clause items