Package org.eclipse.persistence.indirection

Examples of org.eclipse.persistence.indirection.ValueHolder

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     * Merge changes from the source to the target object.
     */
    @Override
    public void mergeIntoObject(Object target, boolean isTargetUnInitialized, Object source, MergeManager mergeManager, AbstractSession targetSession) {
        if (this.descriptor.isProtectedIsolation()&& !this.isCacheable && !targetSession.isProtectedSession()){
            setAttributeValueInObject(target, this.indirectionPolicy.buildIndirectObject(new ValueHolder(null)));
            return;
        }
        if (isTargetUnInitialized) {
            // This will happen if the target object was removed from the cache before the commit was attempted,
            // or for new objects.
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            }
        }
        if(isValueHolderProperty) {
            ValueHolderInterface vh = (ValueHolderInterface)ormAccessor.getAttributeValueFromObject(object);
            if(vh == null) {
                vh = new ValueHolder();
                ((ValueHolder)vh).setIsNewlyWeavedValueHolder(true);
            }
            vh.setValue(value);
            ormAccessor.setAttributeValueInObject(object, vh);
        }
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     * INTERNAL:
     * Return the value to be stored in the object's attribute.
     * This will be a proxy object.
     */
    public Object valueFromRow(Object object) {
        ValueHolderInterface valueHolder = new ValueHolder(object);

        return ProxyIndirectionHandler.newProxyInstance(object.getClass(), targetInterfaces, valueHolder);
    }
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                    && (! ((DatabaseValueHolder) oldValueHolder).isInstantiated())
                    && (((DatabaseValueHolder) oldValueHolder).getSession() == null)
                    && (! ((DatabaseValueHolder) oldValueHolder).isSerializedRemoteUnitOfWorkValueHolder())) {
                throw DescriptorException.attemptToRegisterDeadIndirection(original, getMapping());
            }
            newValueHolder = new ValueHolder();
            newValueHolder.setValue(this.getMapping().buildCloneForPartObject(oldValueHolder.getValue(), original, clone, unitOfWork, false));
        } else {
          AbstractRecord row = null;
            if (oldValueHolder instanceof DatabaseValueHolder) {
                row = ((DatabaseValueHolder)oldValueHolder).getRow();
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            }
        } else if (mapping.isForeignReferenceMapping()) {
            ForeignReferenceMapping refMapping = (ForeignReferenceMapping) mapping;

            if (refMapping.usesIndirection() && refMapping.getIndirectionPolicy() instanceof BasicIndirectionPolicy) {
                value = new ValueHolder(value);
            } else if (refMapping.isCollectionMapping()) {
                value = ((CollectionMapping) refMapping).getContainerPolicy().containerInstance();
            }
        } else if (mapping.isAggregateObjectMapping()) {
            value = mapping.getReferenceDescriptor().getObjectBuilder().buildNewInstance();
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        Object v = null;
        if (df.isSet) {
            v = ((ValueHolderInterface)df.fieldValue).getValue();
        }
        else {
            df.fieldValue = new ValueHolder();
        }
        return v;
    }
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            // ValueHolders go directly into the attribute's slot
            df.fieldValue = value;
        }
        else {
            if (!df.isSet) {
                df.fieldValue = new ValueHolder();
            }
            ((ValueHolderInterface)df.fieldValue).setValue(value);
        }
        df.isSet = true;
    }
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                    //this will just clone the indirection.
                    //the indirection object is responsible for cloning the value.
                    return getAttributeValueFromObject(cached);
                }
            } else if (!this.isCacheable && !isTargetProtected && cacheKey != null) {
                return this.indirectionPolicy.buildIndirectObject(new ValueHolder(null));
            }
        }
        if (row.hasSopObject()) {
            // DirectCollection or AggregateCollection that doesn't reference entities: no need to build members back into cache - just return the whole collection from sopObject.
            if (!hasNestedIdentityReference()) {
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     * collection based on the changeset
     */
    public void mergeChangesIntoObject(Object target, ChangeRecord changeRecord, Object source, MergeManager mergeManager, AbstractSession targetSession) {
        if (this.descriptor.getCachePolicy().isProtectedIsolation()){
            if (!this.isCacheable && !targetSession.isProtectedSession()){
                setAttributeValueInObject(target, this.indirectionPolicy.buildIndirectObject(new ValueHolder(null)));
            }
            return;
        }
        //Check to see if the target has an instantiated collection
        if (!isAttributeValueInstantiatedOrChanged(target)) {
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     * Merge changes from the source to the target object.
     */
    public void mergeIntoObject(Object target, boolean isTargetUnInitialized, Object source, MergeManager mergeManager, AbstractSession targetSession) {
        if (this.descriptor.getCachePolicy().isProtectedIsolation()) {
            if (!this.isCacheable && !targetSession.isProtectedSession()){
                setAttributeValueInObject(target, this.indirectionPolicy.buildIndirectObject(new ValueHolder(null)));
            }
            return;
        }
        if (isTargetUnInitialized) {
            // This will happen if the target object was removed from the cache before the commit was attempted
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Related Classes of org.eclipse.persistence.indirection.ValueHolder

  • org.eclipse.persistence.eis.mappings.EISOneToManyMapping
  • org.eclipse.persistence.eis.mappings.EISOneToOneMapping
  • org.eclipse.persistence.internal.dynamic.DynamicPropertiesInitializatonPolicy
  • org.eclipse.persistence.internal.dynamic.DynamicTypeInstantiationPolicy
  • org.eclipse.persistence.internal.dynamicpersist.BaseEntityVHAccessor
  • org.eclipse.persistence.internal.indirection.ProxyIndirectionPolicy
  • org.eclipse.persistence.internal.oxm.accessor.OrmAttributeAccessor
  • org.eclipse.persistence.internal.xr.XRDynamicEntityVHAccessor
  • org.eclipse.persistence.jpa.rs.resources.common.AbstractEntityResource
  • org.eclipse.persistence.mappings.AggregateCollectionMapping
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