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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
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package com.fasterxml.jackson.databind.introspect;
import java.lang.annotation.Annotation;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import com.fasterxml.jackson.databind.AnnotationIntrospector;
import com.fasterxml.jackson.databind.util.ClassUtil;
// @since 2.9
class CollectorBase
{
protected final static AnnotationMap[] NO_ANNOTATION_MAPS = new AnnotationMap[0];
protected final static Annotation[] NO_ANNOTATIONS = new Annotation[0];
protected final AnnotationIntrospector _intr;
protected CollectorBase(AnnotationIntrospector intr) {
_intr = intr;
}
// // // Annotation overrides ("mix over")
protected final AnnotationCollector collectAnnotations(Annotation[] anns) {
AnnotationCollector c = AnnotationCollector.emptyCollector();
for (int i = 0, end = anns.length; i < end; ++i) {
Annotation ann = anns[i];
c = c.addOrOverride(ann);
if (_intr.isAnnotationBundle(ann)) {
c = collectFromBundle(c, ann);
}
}
return c;
}
protected final AnnotationCollector collectAnnotations(AnnotationCollector c, Annotation[] anns) {
for (int i = 0, end = anns.length; i < end; ++i) {
Annotation ann = anns[i];
c = c.addOrOverride(ann);
if (_intr.isAnnotationBundle(ann)) {
c = collectFromBundle(c, ann);
}
}
return c;
}
protected final AnnotationCollector collectFromBundle(AnnotationCollector c, Annotation bundle) {
Annotation[] anns = ClassUtil.findClassAnnotations(bundle.annotationType());
for (int i = 0, end = anns.length; i < end; ++i) {
Annotation ann = anns[i];
// minor optimization: by-pass 2 common JDK meta-annotations
if (_ignorableAnnotation(ann)) {
continue;
}
if (_intr.isAnnotationBundle(ann)) {
// 11-Apr-2017, tatu: Also must guard against recursive definitions...
if (!c.isPresent(ann)) {
c = c.addOrOverride(ann);
c = collectFromBundle(c, ann);
}
} else {
c = c.addOrOverride(ann);
}
}
return c;
}
// // // Defaulting ("mix under")
// Variant that only adds annotations that are missing
protected final AnnotationCollector collectDefaultAnnotations(AnnotationCollector c,
Annotation[] anns) {
for (int i = 0, end = anns.length; i < end; ++i) {
Annotation ann = anns[i];
if (!c.isPresent(ann)) {
c = c.addOrOverride(ann);
if (_intr.isAnnotationBundle(ann)) {
c = collectDefaultFromBundle(c, ann);
}
}
}
return c;
}
protected final AnnotationCollector collectDefaultFromBundle(AnnotationCollector c,
Annotation bundle) {
Annotation[] anns = ClassUtil.findClassAnnotations(bundle.annotationType());
for (int i = 0, end = anns.length; i < end; ++i) {
Annotation ann = anns[i];
// minor optimization: by-pass 2 common JDK meta-annotations
if (_ignorableAnnotation(ann)) {
continue;
}
// also only defaulting, not overrides:
if (!c.isPresent(ann)) {
c = c.addOrOverride(ann);
if (_intr.isAnnotationBundle(ann)) {
c = collectFromBundle(c, ann);
}
}
}
return c;
}
protected final static boolean _ignorableAnnotation(Annotation a) {
return (a instanceof Target) || (a instanceof Retention);
}
static AnnotationMap _emptyAnnotationMap() {
return new AnnotationMap();
}
static AnnotationMap[] _emptyAnnotationMaps(int count) {
if (count == 0) {
return NO_ANNOTATION_MAPS;
}
AnnotationMap[] maps = new AnnotationMap[count];
for (int i = 0; i < count; ++i) {
maps[i] = _emptyAnnotationMap();
}
return maps;
}
}
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