Package com.espertech.esper.common.internal.epl.rowrecog.nfa

Class RowRecogNFAStateOneOptionalEvalCond

java.lang.Object

com.espertech.esper.common.internal.epl.rowrecog.nfa.RowRecogNFAStateBase

com.espertech.esper.common.internal.epl.rowrecog.nfa.RowRecogNFAStateOneOptionalEvalCond

All Implemented Interfaces:

RowRecogNFAState

public class RowRecogNFAStateOneOptionalEvalCond
extends RowRecogNFAStateBase
implements RowRecogNFAState

The '?' state in the regex NFA states.

Field Summary

Fields

Modifier and Type	Field	Description
static final EPTypeClass	EPTYPE

Fields inherited from class com.espertech.esper.common.internal.epl.rowrecog.nfa.RowRecogNFAStateBase

EPTYPEARRAY

Constructor Summary

Constructors

Constructor	Description
RowRecogNFAStateOneOptionalEvalCond()

Method Summary

Modifier and Type	Method	Description
boolean	matches(EventBean[] eventsPerStream, AgentInstanceContext agentInstanceContext)	Evaluate a match.
void	setExpression(ExprEvaluator expression)
String	toString()

Methods inherited from class com.espertech.esper.common.internal.epl.rowrecog.nfa.RowRecogNFAStateBase

getNextStates, getNodeNumFlat, getNodeNumNested, getStreamNum, getVariableName, isExprRequiresMultimatchState, isGreedy, isMultiple, setExprRequiresMultimatchState, setGreedy, setMultiple, setNextStates, setNodeNumFlat, setNodeNumNested, setStreamNum, setVariableName

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.espertech.esper.common.internal.epl.rowrecog.nfa.RowRecogNFAState

getNextStates, getNodeNumFlat, getNodeNumNested, getStreamNum, getVariableName, isExprRequiresMultimatchState, isGreedy, isMultiple

Field Details

EPTYPE

public static final EPTypeClass EPTYPE

Constructor Details

RowRecogNFAStateOneOptionalEvalCond

public RowRecogNFAStateOneOptionalEvalCond()

Method Details

matches

public boolean matches(EventBean[] eventsPerStream,
 AgentInstanceContext agentInstanceContext)

Description copied from interface: RowRecogNFAState

Evaluate a match.

Specified by:

matches in interface RowRecogNFAState

Parameters:

eventsPerStream - variable values

agentInstanceContext - expression evaluation context

Returns:

match indicator

toString

public String toString()

Overrides:

toString in class Object

setExpression

public void setExpression(ExprEvaluator expression)