Hibernate/hibernate-orm
1
0
Fork 0
mirror of https://github.com/hibernate/hibernate-orm synced 2025-02-09 04:34:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

HHH-6202 Adding new helper method for getting a single annotation instance from a map

Browse Source
This commit is contained in:
Hardy Ferentschik 2011-05-16 17:45:49 +02:00
parent ac0cf3afd8
commit 5d766b237b
1 changed files with 29 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
hibernate-core/src/main/java/org/hibernate/metamodel/source/annotations/util/JandexHelper.java
View File

@ -93,11 +93,24 @@ else if ( methodName.startsWith( "get" ) ) {
* *
* @return the single annotation defined on the class or {@code null} in case the annotation is not specified at all * @return the single annotation defined on the class or {@code null} in case the annotation is not specified at all
* *
* @throws org.hibernate.AssertionFailure in case there is * @throws org.hibernate.AssertionFailure in case there is there is more than one annotation of this type.
*/ */
public static AnnotationInstance getSingleAnnotation(ClassInfo classInfo, DotName annotationName) public static AnnotationInstance getSingleAnnotation(ClassInfo classInfo, DotName annotationName)
throws AssertionFailure { throws AssertionFailure {
List<AnnotationInstance> annotationList = classInfo.annotations().get( annotationName ); return getSingleAnnotation( classInfo.annotations(), annotationName );
}
/**
* @param annotations List of annotation instances keyed against their dot name.
* @param annotationName the annotation to retrieve from map
*
* @return the single annotation of the specified dot name or {@code null} in case the annotation is not specified at all
*
* @throws org.hibernate.AssertionFailure in case there is there is more than one annotation of this type.
*/
public static AnnotationInstance getSingleAnnotation(Map<DotName, List<AnnotationInstance>> annotations, DotName annotationName)
throws AssertionFailure {
List<AnnotationInstance> annotationList = annotations.get( annotationName );
if ( annotationList == null ) { if ( annotationList == null ) {
return null; return null;
} }
@ -113,6 +126,20 @@ else if ( annotationList.size() == 1 ) {
} }
} }
/**
* @param annotations List of annotation instances keyed against their dot name.
* @param annotationNames the annotation names to filter
*
* @return a new map of annotation instances only containing annotations of the specified dot names.
*/
public static Map<DotName, List<AnnotationInstance>> filterAnnotations(Map<DotName, List<AnnotationInstance>> annotations, DotName... annotationNames) {
Map<DotName, List<AnnotationInstance>> filteredAnnotations = new HashMap<DotName, List<AnnotationInstance>>();
for ( DotName name : annotationNames ) {
filteredAnnotations.put( name, annotations.get( name ) );
}
return filteredAnnotations;
}
/** /**
* Creates a jandex index for the specified classes * Creates a jandex index for the specified classes
* *