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

protected VariableService

variableService

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

evaluatorContext, exprNode, exprNodeEval, statementName

Constructor Summary

ExprNodeAdapterBaseVariables(java.lang.String statementName, ExprNode exprNode, ExprEvaluatorContext evaluatorContext, VariableService variableService)

Method Summary

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, getExprNode, 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(java.lang.String statementName,
                                    ExprNode exprNode,
                                    ExprEvaluatorContext evaluatorContext,
                                    VariableService variableService)

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