com.espertech.esper.pattern
Class EvalFollowedByNode

java.lang.Object
  com.espertech.esper.pattern.EvalNodeBase
      com.espertech.esper.pattern.EvalFollowedByNode

All Implemented Interfaces:

EvalNode

public class EvalFollowedByNode
extends EvalNodeBase

This class represents a followed-by operator in the evaluation tree representing any event expressions.

Field Summary

protected EvalFollowedByFactoryNode

factoryNode

Constructor Summary

EvalFollowedByNode(PatternAgentInstanceContext context, EvalFollowedByFactoryNode factoryNode, EvalNode[] childNodes)

Method Summary

EvalNode[]	getChildNodes()
EvalFollowedByFactoryNode	getFactoryNode()
boolean	isTrackWithMax()
boolean	isTrackWithPool()
EvalStateNode	newState(Evaluator parentNode, EvalStateNodeNumber stateNodeNumber, long stateNodeId) Create the evaluation state node containing the truth value state for each operator in an event expression.

Methods inherited from class com.espertech.esper.pattern.EvalNodeBase

getContext

Methods inherited from class java.lang.Object

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

Field Detail

factoryNode

protected final EvalFollowedByFactoryNode factoryNode

Constructor Detail

EvalFollowedByNode

public EvalFollowedByNode(PatternAgentInstanceContext context,
                          EvalFollowedByFactoryNode factoryNode,
                          EvalNode[] childNodes)

Method Detail

getChildNodes

public EvalNode[] getChildNodes()

getFactoryNode

public EvalFollowedByFactoryNode getFactoryNode()

newState

public EvalStateNode newState(Evaluator parentNode,
                              EvalStateNodeNumber stateNodeNumber,
                              long stateNodeId)

Description copied from class: EvalNodeBase

Create the evaluation state node containing the truth value state for each operator in an event expression.

Specified by:

newState in interface EvalNode

Specified by:

newState in class EvalNodeBase

Parameters:

parentNode - is the parent evaluator node that this node indicates a change in truth value to

Returns:

state node containing the truth value state for the operator

isTrackWithPool

public boolean isTrackWithPool()

isTrackWithMax

public boolean isTrackWithMax()