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

Fields

Modifier and Type	Field and Description
protected EvalFollowedByFactoryNode	factoryNode

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
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

stateNodeNumber - node number

stateNodeId - node id

Returns:

state node containing the truth value state for the operator

isTrackWithPool

public boolean isTrackWithPool()

isTrackWithMax

public boolean isTrackWithMax()