com.espertech.esper.filter

Class ExprNodeAdapterBaseVariables

java.lang.Object

com.espertech.esper.filter.ExprNodeAdapterBase

com.espertech.esper.filter.ExprNodeAdapterBaseVariables

Direct Known Subclasses:

ExprNodeAdapterMultiStream

public class ExprNodeAdapterBaseVariables
extends ExprNodeAdapterBase

Field Summary

Fields

Modifier and Type	Field and Description
protected VariableService	variableService

Fields inherited from class com.espertech.esper.filter.ExprNodeAdapterBase

evaluatorContext, exprNode, exprNodeEval

Constructor Summary

Constructors

Constructor and Description
ExprNodeAdapterBaseVariables(int filterSpecId, int filterSpecParamPathNum, ExprNode exprNode, ExprEvaluatorContext evaluatorContext, VariableService variableService, EngineImportService engineImportService, Annotation[] annotations)

Method Summary

Modifier and Type	Method and Description
boolean	evaluate(EventBean theEvent) Evaluate the boolean expression given the event as a stream zero event.

Methods inherited from class com.espertech.esper.filter.ExprNodeAdapterBase

evaluatePerStream, getEvaluatorContext, getExprNode, getFilterSpecId, getFilterSpecParamPathNum, getStatementId, getStatementName

Methods inherited from class java.lang.Object

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

Field Detail

variableService

protected final VariableService variableService

Constructor Detail

ExprNodeAdapterBaseVariables

public ExprNodeAdapterBaseVariables(int filterSpecId,
                                    int filterSpecParamPathNum,
                                    ExprNode exprNode,
                                    ExprEvaluatorContext evaluatorContext,
                                    VariableService variableService,
                                    EngineImportService engineImportService,
                                    Annotation[] annotations)

Method Detail

evaluate

public boolean evaluate(EventBean theEvent)

Description copied from class: ExprNodeAdapterBase

Evaluate the boolean expression given the event as a stream zero event.

Overrides:

evaluate in class ExprNodeAdapterBase

Parameters:

theEvent - is the stream zero event (current event)

Returns:

boolean result of the expression