com.espertech.esper.pattern
Class EvalEveryDistinctNode

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

All Implemented Interfaces:

EvalNode

public class EvalEveryDistinctNode
extends EvalNodeBase

This class represents an 'every-distinct' operator in the evaluation tree representing an event expression.

Field Summary

protected EvalEveryDistinctFactoryNode

factoryNode

Constructor Summary

EvalEveryDistinctNode(EvalEveryDistinctFactoryNode factoryNode, EvalNode childNode, PatternAgentInstanceContext agentInstanceContext)

Method Summary

EvalNode	getChildNode()
EvalEveryDistinctFactoryNode	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 EvalEveryDistinctFactoryNode factoryNode

Constructor Detail

EvalEveryDistinctNode

public EvalEveryDistinctNode(EvalEveryDistinctFactoryNode factoryNode,
                             EvalNode childNode,
                             PatternAgentInstanceContext agentInstanceContext)

Method Detail

getFactoryNode

public EvalEveryDistinctFactoryNode getFactoryNode()

getChildNode

public EvalNode getChildNode()

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