Examples of org.eclipse.persistence.indirection.ValueHolder

Package org.eclipse.persistence.indirection

Examples of org.eclipse.persistence.indirection.ValueHolder

org.eclipse.persistence.indirection.ValueHolder

Purpose: Act as a place holder for a variable that required a value holder interface. This class should be used to initialze an objects attributes that are using indirection is their mappings.

     * 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
            if (mergeManager.shouldMergeWorkingCopyIntoOriginal() && (!isAttributeValueInstantiated(source))) {

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     * Merge changes from the source to the target object. Which is the original from the parent UnitOfWork
     */
    @Override
    public void mergeChangesIntoObject(Object target, ChangeRecord changeRecord, Object source, MergeManager mergeManager, AbstractSession targetSession) {
        if (this.descriptor.isProtectedIsolation()&& !this.isCacheable && !targetSession.isProtectedSession()){
            setAttributeValueInObject(target, this.indirectionPolicy.buildIndirectObject(new ValueHolder(null)));
            return;
        }
        Object targetValueOfSource = null;


        // The target object must be completely merged before setting it otherwise

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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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     * collection based on the changeset
     */
    @Override
    public void mergeChangesIntoObject(Object target, ChangeRecord changeRecord, Object source, MergeManager mergeManager, AbstractSession targetSession) {
        if (this.descriptor.isProtectedIsolation()&& !this.isCacheable && !targetSession.isProtectedSession()){
            setAttributeValueInObject(target, this.indirectionPolicy.buildIndirectObject(new ValueHolder(null)));
            return;
        }
        ContainerPolicy containerPolicy = getContainerPolicy();
        Object valueOfTarget = null;
        AbstractSession session = mergeManager.getSession();

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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
            if (mergeManager.shouldMergeWorkingCopyIntoOriginal() && (!isAttributeValueInstantiated(source))) {

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                    }
                    return this.getAttributeValueFromObject(cached);
                }
                return result;
            } else if (!this.isCacheable && !isTargetProtected && cacheKey != null) {
                return this.indirectionPolicy.buildIndirectObject(new ValueHolder(null));
            }
        }
        if (sourceQuery.isObjectLevelReadQuery() && (((ObjectLevelReadQuery)sourceQuery).isAttributeBatchRead(this.descriptor, getAttributeName())
                || (sourceQuery.isReadAllQuery() && shouldUseBatchReading()))) {
            return batchedValueFromRow(row, (ObjectLevelReadQuery)sourceQuery, cacheKey);

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        BaseEntity baseEntity = (BaseEntity) object;
        // if the attribute's slot is empty, put in a dummy ValueHolder
        // and return null
        if (baseEntity.get(fieldIdx) == null) {
            baseEntity.set(fieldIdx, new ValueHolder());
            return null;
        }
        // return the value from the attribute's existing ValueHolder
        return ((ValueHolderInterface) baseEntity.get(fieldIdx)).getValue();
    }

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            return;
        }
        // what if this is the first time setting - the attribute's slot
        // will be null and needs a dummy ValueHolder
        if (baseEntity.get(fieldIdx) == null) {
            baseEntity.set(fieldIdx, new ValueHolder());
        }
        // put the value into the attribute's existing ValueHolder
        ((ValueHolderInterface) baseEntity.get(fieldIdx)).setValue(value);
    }

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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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     * Merge changes from the source to the target object. Which is the original from the parent UnitOfWork
     */
    @Override
    public void mergeChangesIntoObject(Object target, ChangeRecord changeRecord, Object source, MergeManager mergeManager, AbstractSession targetSession) {
        if (this.descriptor.getCachePolicy().isProtectedIsolation()&& !this.isCacheable && !targetSession.isProtectedSession()){
            setAttributeValueInObject(target, this.indirectionPolicy.buildIndirectObject(new ValueHolder(null)));
            return;
        }
        Object targetValueOfSource = null;


        // The target object must be completely merged before setting it otherwise

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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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