Package com.espertech.esper.common.internal.epl.pattern.guard

Class EvalGuardForgeNode

java.lang.Object

com.espertech.esper.common.internal.epl.pattern.core.EvalForgeNodeBase

com.espertech.esper.common.internal.epl.pattern.guard.EvalGuardForgeNode

All Implemented Interfaces:

EvalForgeNode

public class EvalGuardForgeNode
extends EvalForgeNodeBase

This class represents a guard in the evaluation tree representing an event expressions.

Field Summary

Fields inherited from class com.espertech.esper.common.internal.epl.pattern.core.EvalForgeNodeBase

audit, factoryNodeId

Constructor Summary

Constructors

Constructor	Description
EvalGuardForgeNode(boolean attachPatternText, PatternGuardSpec patternGuardSpec)	Constructor.

Method Summary

Modifier and Type	Method	Description
AppliesTo	appliesTo()
void	collectSelfFilterAndSchedule(Function<Short,CallbackAttribution> callbackAttribution, List<FilterSpecTracked> filters, List<ScheduleHandleTracked> schedules)
GuardForge	getGuardForge()	Returns the guard factory.
PatternGuardSpec	getPatternGuardSpec()	Returns the guard object specification to use for instantiating the guard factory and guard.
PatternExpressionPrecedenceEnum	getPrecedence()	Returns precendence.
protected void	inlineCodegen(CodegenMethod method, SAIFFInitializeSymbol symbols, CodegenClassScope classScope)
boolean	isFilterChildNonQuitting()
boolean	isStateful()
protected String	nameOfFactory()
void	setGuardForge(GuardForge guardForge)	Supplies the guard factory to the node.
String	toPrecedenceFreeEPL()
void	toPrecedenceFreeEPL(StringWriter writer)
final String	toString()
protected EPTypeClass	typeOfFactory()

Methods inherited from class com.espertech.esper.common.internal.epl.pattern.core.EvalForgeNodeBase

addChildNode, addChildNodes, getChildNodes, getFactoryNodeId, isAudit, makeCodegen, setAudit, setFactoryNodeId, setStateMgmtSettings, toEPL

Methods inherited from class java.lang.Object

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

Constructor Details

EvalGuardForgeNode

public EvalGuardForgeNode(boolean attachPatternText,
 PatternGuardSpec patternGuardSpec)

Constructor.

Parameters:

patternGuardSpec - - factory for guard construction

attachPatternText - whether to attach EPL subexpression text

Method Details

getPatternGuardSpec

public PatternGuardSpec getPatternGuardSpec()

Returns the guard object specification to use for instantiating the guard factory and guard.

Returns:

guard specification

setGuardForge

public void setGuardForge(GuardForge guardForge)

Supplies the guard factory to the node.

Parameters:

guardForge - is the guard factory

getGuardForge

public GuardForge getGuardForge()

Returns the guard factory.

Returns:

guard factory

toString

public final String toString()

Overrides:

toString in class Object

isFilterChildNonQuitting

public boolean isFilterChildNonQuitting()

isStateful

public boolean isStateful()

typeOfFactory

protected EPTypeClass typeOfFactory()

Specified by:

typeOfFactory in class EvalForgeNodeBase

nameOfFactory

protected String nameOfFactory()

Specified by:

nameOfFactory in class EvalForgeNodeBase

inlineCodegen

protected void inlineCodegen(CodegenMethod method,
 SAIFFInitializeSymbol symbols,
 CodegenClassScope classScope)

Specified by:

inlineCodegen in class EvalForgeNodeBase

collectSelfFilterAndSchedule

public void collectSelfFilterAndSchedule(Function<Short,CallbackAttribution> callbackAttribution,
 List<FilterSpecTracked> filters,
 List<ScheduleHandleTracked> schedules)

toPrecedenceFreeEPL

public String toPrecedenceFreeEPL()

toPrecedenceFreeEPL

public void toPrecedenceFreeEPL(StringWriter writer)

Specified by:

toPrecedenceFreeEPL in class EvalForgeNodeBase

getPrecedence

public PatternExpressionPrecedenceEnum getPrecedence()

Description copied from interface: EvalForgeNode

Returns precendence.

Returns:

precendence

appliesTo

public AppliesTo appliesTo()

Specified by:

appliesTo in class EvalForgeNodeBase