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

Constructors

Constructor and Description
AnnotationUtil()

Method Summary

Modifier and Type	Method and Description
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