Package com.espertech.esper.common.internal.epl.annotation

Class AnnotationUtil

java.lang.Object

com.espertech.esper.common.internal.epl.annotation.AnnotationUtil

public class AnnotationUtil
extends Object

Utility to handle EPL statement annotations.

Constructor Summary

Constructors

Constructor	Description
AnnotationUtil()

Method Summary

Modifier and Type	Method	Description
static Annotation[]	compileAnnotations(List<AnnotationDesc> annotationSpec, ClasspathImportServiceCompileTime classpathImportService, Compilable compilable)	Compile annotation objects from descriptors.
static Annotation	findAnnotation(Annotation[] annotations, Class annotationClass)
static List<Annotation>	findAnnotations(Annotation[] annotations, Class annotationClass)
static String	getExpectSingleStringValue(String msgPrefix, List<AnnotationDesc> annotationsSameName)
static Object	getValue(AnnotationDesc desc)
static boolean	hasAnnotation(Annotation[] annotations, Class<? extends Annotation> annotationClass)
static CodegenExpression	makeAnnotations(EPTypeClass arrayType, Annotation[] annotations, CodegenMethod parent, CodegenClassScope classScope)
static Map<String,List<AnnotationDesc>>	mapByNameLowerCase(List<AnnotationDesc> annotations)
static Annotation[]	mergeAnnotations(Annotation[] first, Annotation[] second)

Methods inherited from class java.lang.Object

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

Constructor Details

AnnotationUtil

public AnnotationUtil()

Method Details

mapByNameLowerCase

public static Map<String,List<AnnotationDesc>> mapByNameLowerCase(List<AnnotationDesc> annotations)

getValue

public static Object getValue(AnnotationDesc desc)

compileAnnotations

public static Annotation[] compileAnnotations(List<AnnotationDesc> annotationSpec,
 ClasspathImportServiceCompileTime classpathImportService,
 Compilable compilable)
                                       throws StatementSpecCompileException

Compile annotation objects from descriptors.

Parameters:

annotationSpec - spec for annotations

classpathImportService - imports

compilable - statement expression

Returns:

annotations

Throws:

StatementSpecCompileException - compile exception

makeAnnotations

public static CodegenExpression makeAnnotations(EPTypeClass arrayType,
 Annotation[] annotations,
 CodegenMethod parent,
 CodegenClassScope classScope)

hasAnnotation

public static boolean hasAnnotation(Annotation[] annotations,
 Class<? extends Annotation> annotationClass)

findAnnotation

public static Annotation findAnnotation(Annotation[] annotations,
 Class annotationClass)

findAnnotations

public static List<Annotation> findAnnotations(Annotation[] annotations,
 Class annotationClass)

mergeAnnotations

public static Annotation[] mergeAnnotations(Annotation[] first,
 Annotation[] second)

getExpectSingleStringValue

public static String getExpectSingleStringValue(String msgPrefix,
 List<AnnotationDesc> annotationsSameName)
                                         throws ExprValidationException

Throws:

ExprValidationException