com.espertech.esper.pattern
Class EvalMatchUntilNode

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

All Implemented Interfaces:

EvalNode

public class EvalMatchUntilNode
extends EvalNodeBase

This class represents a match-until observer in the evaluation tree representing any event expressions.

Field Summary

protected EvalMatchUntilFactoryNode

factoryNode

Constructor Summary

EvalMatchUntilNode(PatternAgentInstanceContext context, EvalMatchUntilFactoryNode factoryNode, EvalNode childNodeSub, EvalNode childNodeUntil)

Method Summary

EvalNode	getChildNodeSub()
EvalNode	getChildNodeUntil()
EvalMatchUntilFactoryNode	getFactoryNode()
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 EvalMatchUntilFactoryNode factoryNode

Constructor Detail

EvalMatchUntilNode

public EvalMatchUntilNode(PatternAgentInstanceContext context,
                          EvalMatchUntilFactoryNode factoryNode,
                          EvalNode childNodeSub,
                          EvalNode childNodeUntil)

Method Detail

getFactoryNode

public EvalMatchUntilFactoryNode getFactoryNode()

getChildNodeSub

public EvalNode getChildNodeSub()

getChildNodeUntil

public EvalNode getChildNodeUntil()

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