Examples of org.eclipse.persistence.sessions.CopyGroup

Package org.eclipse.persistence.sessions

Examples of org.eclipse.persistence.sessions.CopyGroup

org.eclipse.persistence.sessions.CopyGroup
Purpose: Define how an object is to be copied.
Description: This is for usage with the object copying feature, not the unit of work. This is useful for copying an entire object graph as part of the host application's logic.
Responsibilities:
- Indicate through CASCADE levels the depth relationships will copied.
- Indicate if PK attributes should be copied with existing value or should be reset.
- Copies only the attributes found in the group.
@see Session#copy(Object,CopyGroup)

     * The object and all of its privately owned parts will be copied.
     *
     * @see #copy(Object, AttributeGroup)
     */
    public Object copy(Object originalObjectOrObjects) {
        return copy(originalObjectOrObjects, new CopyGroup());
    }

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    public Object copy(Object originalObjectOrObjects, AttributeGroup group) {
        if (originalObjectOrObjects == null) {
            return null;
        }


        CopyGroup copyGroup = group.toCopyGroup();
        copyGroup.setSession(this);
        if(originalObjectOrObjects instanceof Collection) {
            // it's a collection - make sure all elements use the same instance of CopyGroup.
            Collection originalCollection = (Collection)originalObjectOrObjects;
            Collection copies;
            if(originalCollection instanceof List) {

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     * @see #copyObject(Object, ObjectCopyingPolicy)
     * @deprecated since EclipseLink 2.1, replaced by copy(Object)
     * @see #copy(Object)
     */
    public Object copyObject(Object original) {
        CopyGroup copyGroup = new CopyGroup();
        copyGroup.setShouldResetPrimaryKey(true);
        return copy(original, copyGroup);
    }

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                    boolean shouldCopy = shouldCopyAllAttributes || (attributesToCopy != null && attributesToCopy.contains(name));
                    boolean shouldVisit = attributesToVisit == null || attributesToVisit.contains(name);
                    if(shouldCopy || shouldVisit) {
                        boolean isVisiting = false;
                        // unless it's a reference mapping pass copyGroup - just to carry the session.
                        CopyGroup mappingCopyGroup = copyGroup;
                        if(mapping.isForeignReferenceMapping()) {
                            ForeignReferenceMapping frMapping = (ForeignReferenceMapping)mapping;
                            ClassDescriptor referenceDescriptor = frMapping.getReferenceDescriptor();
                            if(referenceDescriptor != null) {
                                isVisiting = true;
                                mappingCopyGroup = copyGroup.getGroup(name);
                                if(mappingCopyGroup == null) {
                                    FetchGroupManager referenceFetchGroupManager = referenceDescriptor.getFetchGroupManager();
                                    if(referenceFetchGroupManager != null) {
                                        EntityFetchGroup nonReferenceEntityFetchGroup = referenceFetchGroupManager.getNonReferenceEntityFetchGroup(copyGroup.shouldResetPrimaryKey(), copyGroup.shouldResetVersion());
                                        if(nonReferenceEntityFetchGroup != null) {
                                            mappingCopyGroup = nonReferenceEntityFetchGroup.toCopyGroup();
                                        } else {
                                            // null nonReferenceEntityFetchGroup is equivalent to containing all attributes:
                                            // create a new empty CopyGroup.
                                            mappingCopyGroup = new CopyGroup();
                                            mappingCopyGroup.shouldCascadeTree();
                                        }
                                    } else {
                                        // TODO: would that work?
                                        mappingCopyGroup = new CopyGroup();
                                        mappingCopyGroup.dontCascade();
                                        isVisiting = false;
                                    }
                                    mappingCopyGroup.setCopies(copyGroup.getCopies());
                                    mappingCopyGroup.setShouldResetPrimaryKey(copyGroup.shouldResetPrimaryKey());
                                    mappingCopyGroup.setShouldResetVersion(copyGroup.shouldResetVersion());
                                }
                                mappingCopyGroup.setSession(copyGroup.getSession());
                            }
                        }
                        if(shouldCopy || isVisiting) {
                            // TODO: optimization: (even when isVisiting == true) redefine buildCopy to take shouldCopy and don't copy if not required.
                            mapping.buildCopy(copy, original, mappingCopyGroup);

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     * The object and all of its privately owned parts will be copied.
     *
     * @see #copy(Object, AttributeGroup)
     */
    public Object copy(Object originalObjectOrObjects) {
        return copy(originalObjectOrObjects, new CopyGroup());
    }

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    public Object copy(Object originalObjectOrObjects, AttributeGroup group) {
        if (originalObjectOrObjects == null) {
            return null;
        }


        CopyGroup copyGroup = group.toCopyGroup();
        copyGroup.setSession(this);
        if(originalObjectOrObjects instanceof Collection) {
            // it's a collection - make sure all elements use the same instance of CopyGroup.
            Collection originalCollection = (Collection)originalObjectOrObjects;
            Collection copies;
            if(originalCollection instanceof List) {

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     * @see #copyObject(Object, ObjectCopyingPolicy)
     * @deprecated since EclipseLink 2.1, replaced by copy(Object)
     * @see #copy(Object)
     */
    public Object copyObject(Object original) {
        CopyGroup copyGroup = new CopyGroup();
        copyGroup.setShouldResetPrimaryKey(true);
        return copy(original, copyGroup);
    }

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                    boolean shouldCopy = shouldCopyAllAttributes || (attributesToCopy != null && attributesToCopy.contains(name));
                    boolean shouldVisit = attributesToVisit == null || attributesToVisit.contains(name);
                    if(shouldCopy || shouldVisit) {
                        boolean isVisiting = false;
                        // unless it's a reference mapping pass copyGroup - just to carry the session.
                        CopyGroup mappingCopyGroup = copyGroup;
                        if(mapping.isForeignReferenceMapping()) {
                            ForeignReferenceMapping frMapping = (ForeignReferenceMapping)mapping;
                            ClassDescriptor referenceDescriptor = frMapping.getReferenceDescriptor();
                            if(referenceDescriptor != null) {
                                isVisiting = true;
                                mappingCopyGroup = copyGroup.getGroup(name);
                                if(mappingCopyGroup == null) {
                                    FetchGroupManager referenceFetchGroupManager = referenceDescriptor.getFetchGroupManager();
                                    if(referenceFetchGroupManager != null) {
                                        EntityFetchGroup nonReferenceEntityFetchGroup = referenceFetchGroupManager.getNonReferenceEntityFetchGroup(copyGroup.shouldResetPrimaryKey(), copyGroup.shouldResetVersion());
                                        if(nonReferenceEntityFetchGroup != null) {
                                            mappingCopyGroup = nonReferenceEntityFetchGroup.toCopyGroup();
                                        } else {
                                            // null nonReferenceEntityFetchGroup is equivalent to containing all attributes:
                                            // create a new empty CopyGroup.
                                            mappingCopyGroup = new CopyGroup();
                                            mappingCopyGroup.shouldCascadeTree();
                                        }
                                    } else {
                                        // TODO: would that work?
                                        mappingCopyGroup = new CopyGroup();
                                        mappingCopyGroup.dontCascade();
                                        isVisiting = false;
                                    }
                                    mappingCopyGroup.setCopies(copyGroup.getCopies());
                                    mappingCopyGroup.setShouldResetPrimaryKey(copyGroup.shouldResetPrimaryKey());
                                    mappingCopyGroup.setShouldResetVersion(copyGroup.shouldResetVersion());
                                }
                                mappingCopyGroup.setSession(copyGroup.getSession());
                            }
                        } else if (mapping.isAggregateObjectMapping()) {
                            mappingCopyGroup = new CopyGroup();
                        }
                        if(shouldCopy || isVisiting) {
                            // TODO: optimization: (even when isVisiting == true) redefine buildCopy to take shouldCopy and don't copy if not required.
                            mapping.buildCopy(copy, original, mappingCopyGroup);
                        }

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         * @param cloneMap
         * @return
         */
        
        public CopyGroup toCopyGroup(Map<AttributeGroup, CopyGroup> cloneMap, Map copies){
            CopyGroup clone = cloneMap.get(this);
            if (clone != null) {
                return clone;
            }
            clone = new CopyGroup(this.name);
            clone.cascadeTree();
            clone.setCopies(copies);
            
            clone.type = this.type;
            clone.typeName = this.typeName;
            cloneMap.put(this,clone);
            
            if (this.allsubclasses != null){
                for (AttributeGroup group : this.allsubclasses.values()){
                    clone.getSubClassGroups().put(group.getType(), group.toCopyGroup(cloneMap, copies));
                }
            }
            if (this.superClassGroup != null){
                clone.superClassGroup = this.superClassGroup.toCopyGroup(cloneMap, copies);
            }

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                    boolean shouldCopy = shouldCopyAllAttributes || (attributesToCopy != null && attributesToCopy.contains(name));
                    boolean shouldVisit = attributesToVisit == null || attributesToVisit.contains(name);
                    if(shouldCopy || shouldVisit) {
                        boolean isVisiting = false;
                        // unless it's a reference mapping pass copyGroup - just to carry the session.
                        CopyGroup mappingCopyGroup = copyGroup;
                        if(mapping.isForeignReferenceMapping()) {
                            ForeignReferenceMapping frMapping = (ForeignReferenceMapping)mapping;
                            ClassDescriptor referenceDescriptor = frMapping.getReferenceDescriptor();
                            if(referenceDescriptor != null) {
                                isVisiting = true;
                                mappingCopyGroup = copyGroup.getGroup(name);
                                if(mappingCopyGroup == null) {
                                    FetchGroupManager referenceFetchGroupManager = referenceDescriptor.getFetchGroupManager();
                                    if(referenceFetchGroupManager != null) {
                                        EntityFetchGroup nonReferenceEntityFetchGroup = referenceFetchGroupManager.getNonReferenceEntityFetchGroup(copyGroup.shouldResetPrimaryKey(), copyGroup.shouldResetVersion());
                                        if(nonReferenceEntityFetchGroup != null) {
                                            mappingCopyGroup = nonReferenceEntityFetchGroup.toCopyGroup();
                                        } else {
                                            // null nonReferenceEntityFetchGroup is equivalent to containing all attributes:
                                            // create a new empty CopyGroup.
                                            mappingCopyGroup = new CopyGroup();
                                            mappingCopyGroup.shouldCascadeTree();
                                        }
                                    } else {
                                        // TODO: would that work?
                                        mappingCopyGroup = new CopyGroup();
                                        mappingCopyGroup.dontCascade();
                                        isVisiting = false;
                                    }
                                    mappingCopyGroup.setCopies(copyGroup.getCopies());
                                    mappingCopyGroup.setShouldResetPrimaryKey(copyGroup.shouldResetPrimaryKey());
                                    mappingCopyGroup.setShouldResetVersion(copyGroup.shouldResetVersion());
                                }
                                mappingCopyGroup.setSession(copyGroup.getSession());
                            }
                        }
                        if(shouldCopy || isVisiting) {
                            // TODO: optimization: (even when isVisiting == true) redefine buildCopy to take shouldCopy and don't copy if not required.
                            mapping.buildCopy(copy, original, mappingCopyGroup);

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org.eclipse.persistence.internal.descriptors.ObjectBuilder

org.eclipse.persistence.internal.sessions.AbstractSession

org.eclipse.persistence.queries.AttributeGroup

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