com.espertech.esper.epl.property
Class PropertyEvaluatorFactory

java.lang.Object
  com.espertech.esper.epl.property.PropertyEvaluatorFactory

public class PropertyEvaluatorFactory
extends java.lang.Object

Factory for property evaluators.

Constructor Summary

PropertyEvaluatorFactory()

Method Summary

static PropertyEvaluator

makeEvaluator(PropertyEvalSpec spec, EventType sourceEventType, java.lang.String optionalSourceStreamName, EventAdapterService eventAdapterService, MethodResolutionService methodResolutionService, TimeProvider timeProvider, VariableService variableService, TableService tableService, java.lang.String engineURI, java.lang.String statementId, java.lang.String statementName, java.lang.annotation.Annotation[] annotations, java.util.Collection<java.lang.Integer> assignedTypeNumberStack, ConfigurationInformation configuration, NamedWindowService namedWindowService) Makes the property evaluator.

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyEvaluatorFactory

public PropertyEvaluatorFactory()

Method Detail

makeEvaluator

public static PropertyEvaluator makeEvaluator(PropertyEvalSpec spec,
                                              EventType sourceEventType,
                                              java.lang.String optionalSourceStreamName,
                                              EventAdapterService eventAdapterService,
                                              MethodResolutionService methodResolutionService,
                                              TimeProvider timeProvider,
                                              VariableService variableService,
                                              TableService tableService,
                                              java.lang.String engineURI,
                                              java.lang.String statementId,
                                              java.lang.String statementName,
                                              java.lang.annotation.Annotation[] annotations,
                                              java.util.Collection<java.lang.Integer> assignedTypeNumberStack,
                                              ConfigurationInformation configuration,
                                              NamedWindowService namedWindowService)
                                       throws ExprValidationException

Makes the property evaluator.

Parameters:

spec - is the property specification

sourceEventType - the event type

optionalSourceStreamName - the source stream name

eventAdapterService - for event instances

methodResolutionService - for resolving UDF

timeProvider - provides time

variableService - for resolving variables

engineURI - engine URI

Returns:

propert evaluator

Throws:

ExprValidationException - if any expressions could not be verified