com.espertech.esper.collection
Class FilteredEventIterator

java.lang.Object
  com.espertech.esper.collection.FilteredEventIterator

All Implemented Interfaces:

java.util.Iterator<EventBean>

public class FilteredEventIterator
extends java.lang.Object
implements java.util.Iterator<EventBean>

An iterator that filters events suppied by another iterator, using a list of one or more filter expressions as filter.

Constructor Summary

FilteredEventIterator(ExprEvaluator[] filters, java.util.Iterator<EventBean> parent, ExprEvaluatorContext exprEvaluatorContext)
Ctor.

Method Summary

boolean	hasNext()
EventBean	next()
void	remove()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FilteredEventIterator

public FilteredEventIterator(ExprEvaluator[] filters,
                             java.util.Iterator<EventBean> parent,
                             ExprEvaluatorContext exprEvaluatorContext)

Ctor.

Parameters:

filters - is a list of expression nodes for filtering

parent - is the iterator supplying the events to apply the filter on

exprEvaluatorContext - context for expression evalauation

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<EventBean>

next

public EventBean next()

Specified by:

next in interface java.util.Iterator<EventBean>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<EventBean>