com.espertech.esper.epl.annotation
Class AnnotationUtil

java.lang.Object
  com.espertech.esper.epl.annotation.AnnotationUtil

public class AnnotationUtil
extends java.lang.Object

Utility to handle EPL statement annotations.

Constructor Summary

AnnotationUtil()

Method Summary

static java.lang.annotation.Annotation[]	compileAnnotations(java.util.List<AnnotationDesc> annotationSpec, EngineImportService engineImportService, java.lang.String eplStatement) Compile annotation objects from descriptors.
static java.lang.annotation.Annotation	findAnnotation(java.lang.annotation.Annotation[] annotations, java.lang.Class annotationClass)
static java.util.List<java.lang.annotation.Annotation>	findAnnotations(java.lang.annotation.Annotation[] annotations, java.lang.Class annotationClass)
static java.lang.String	getExpectSingleStringValue(java.lang.String msgPrefix, java.util.List<AnnotationDesc> annotationsSameName)
static java.lang.Object	getValue(AnnotationDesc desc)
static java.util.Map<java.lang.String,java.util.List<AnnotationDesc>>	mapByNameLowerCase(java.util.List<AnnotationDesc> annotations)
static java.lang.annotation.Annotation[]	mergeAnnotations(java.lang.annotation.Annotation[] first, java.lang.annotation.Annotation[] second)

Methods inherited from class java.lang.Object

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

Constructor Detail

AnnotationUtil

public AnnotationUtil()

Method Detail

mapByNameLowerCase

public static java.util.Map<java.lang.String,java.util.List<AnnotationDesc>> mapByNameLowerCase(java.util.List<AnnotationDesc> annotations)

getValue

public static java.lang.Object getValue(AnnotationDesc desc)

compileAnnotations

public static java.lang.annotation.Annotation[] compileAnnotations(java.util.List<AnnotationDesc> annotationSpec,
                                                                   EngineImportService engineImportService,
                                                                   java.lang.String eplStatement)

Compile annotation objects from descriptors.

Parameters:

annotationSpec - spec for annotations

engineImportService - engine imports

eplStatement - statement expression

Returns:

annotations

findAnnotation

public static java.lang.annotation.Annotation findAnnotation(java.lang.annotation.Annotation[] annotations,
                                                             java.lang.Class annotationClass)

findAnnotations

public static java.util.List<java.lang.annotation.Annotation> findAnnotations(java.lang.annotation.Annotation[] annotations,
                                                                              java.lang.Class annotationClass)

mergeAnnotations

public static java.lang.annotation.Annotation[] mergeAnnotations(java.lang.annotation.Annotation[] first,
                                                                 java.lang.annotation.Annotation[] second)

getExpectSingleStringValue

public static java.lang.String getExpectSingleStringValue(java.lang.String msgPrefix,
                                                          java.util.List<AnnotationDesc> annotationsSameName)
                                                   throws ExprValidationException

Throws:

ExprValidationException