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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
package com.fasterxml.jackson.databind.deser.impl;
import java.io.IOException;
import java.lang.annotation.Annotation;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.deser.NullValueProvider;
import com.fasterxml.jackson.databind.deser.SettableBeanProperty;
import com.fasterxml.jackson.databind.deser.UnresolvedForwardReference;
import com.fasterxml.jackson.databind.deser.impl.ReadableObjectId.Referring;
import com.fasterxml.jackson.databind.introspect.AnnotatedMember;
import com.fasterxml.jackson.databind.introspect.ObjectIdInfo;
public class ObjectIdReferenceProperty extends SettableBeanProperty
{
private static final long serialVersionUID = 1L;
private final SettableBeanProperty _forward;
public ObjectIdReferenceProperty(SettableBeanProperty forward, ObjectIdInfo objectIdInfo)
{
super(forward);
_forward = forward;
_objectIdInfo = objectIdInfo;
}
public ObjectIdReferenceProperty(ObjectIdReferenceProperty src, JsonDeserializer> deser,
NullValueProvider nva)
{
super(src, deser, nva);
_forward = src._forward;
_objectIdInfo = src._objectIdInfo;
}
public ObjectIdReferenceProperty(ObjectIdReferenceProperty src, PropertyName newName)
{
super(src, newName);
_forward = src._forward;
_objectIdInfo = src._objectIdInfo;
}
@Override
public SettableBeanProperty withName(PropertyName newName) {
return new ObjectIdReferenceProperty(this, newName);
}
@Override
public SettableBeanProperty withValueDeserializer(JsonDeserializer> deser) {
if (_valueDeserializer == deser) {
return this;
}
// 07-May-2019, tatu: As per [databind#2303], must keep VD/NVP in-sync if they were
NullValueProvider nvp = (_valueDeserializer == _nullProvider) ? deser : _nullProvider;
return new ObjectIdReferenceProperty(this, deser, nvp);
}
@Override
public SettableBeanProperty withNullProvider(NullValueProvider nva) {
return new ObjectIdReferenceProperty(this, _valueDeserializer, nva);
}
@Override
public void fixAccess(DeserializationConfig config) {
if (_forward != null) {
_forward.fixAccess(config);
}
}
@Override
public A getAnnotation(Class acls) {
return _forward.getAnnotation(acls);
}
@Override
public AnnotatedMember getMember() {
return _forward.getMember();
}
@Override
public int getCreatorIndex() {
return _forward.getCreatorIndex();
}
@Override
public void deserializeAndSet(JsonParser p, DeserializationContext ctxt, Object instance) throws IOException {
deserializeSetAndReturn(p, ctxt, instance);
}
@Override
public Object deserializeSetAndReturn(JsonParser p, DeserializationContext ctxt, Object instance) throws IOException
{
try {
return setAndReturn(instance, deserialize(p, ctxt));
} catch (UnresolvedForwardReference reference) {
boolean usingIdentityInfo = (_objectIdInfo != null) || (_valueDeserializer.getObjectIdReader() != null);
if (!usingIdentityInfo) {
throw JsonMappingException.from(p, "Unresolved forward reference but no identity info", reference);
}
reference.getRoid().appendReferring(new PropertyReferring(this, reference, _type.getRawClass(), instance));
return null;
}
}
@Override
public void set(Object instance, Object value) throws IOException {
_forward.set(instance, value);
}
@Override
public Object setAndReturn(Object instance, Object value) throws IOException {
return _forward.setAndReturn(instance, value);
}
public final static class PropertyReferring extends Referring {
private final ObjectIdReferenceProperty _parent;
public final Object _pojo;
public PropertyReferring(ObjectIdReferenceProperty parent,
UnresolvedForwardReference ref, Class> type, Object ob)
{
super(ref, type);
_parent = parent;
_pojo = ob;
}
@Override
public void handleResolvedForwardReference(Object id, Object value) throws IOException
{
if (!hasId(id)) {
throw new IllegalArgumentException("Trying to resolve a forward reference with id [" + id
+ "] that wasn't previously seen as unresolved.");
}
_parent.set(_pojo, value);
}
}
}
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