Examples with ContainerPolicy org.eclipse.persistence.internal.queries.ContainerPolicy used on opensource projects

Example 66 with ContainerPolicy

use of org.eclipse.persistence.internal.queries.ContainerPolicy in project eclipselink by eclipse-ee4j.

the class EISOneToManyMappingHelper method mergeChangesIntoObjectWithoutOrder.

/**
 * Merge changes from the source to the target object.
 * Make the necessary removals and adds and map key modifications.
 */
private void mergeChangesIntoObjectWithoutOrder(Object target, ChangeRecord changeRecord, Object source, MergeManager mergeManager, AbstractSession targetSession) {
    EISCollectionChangeRecord sdkChangeRecord = (EISCollectionChangeRecord) changeRecord;
    ContainerPolicy cp = this.getContainerPolicy();
    AbstractSession session = mergeManager.getSession();
    Object targetCollection = null;
    if (sdkChangeRecord.getOwner().isNew()) {
        targetCollection = cp.containerInstance(sdkChangeRecord.getAdds().size());
    } else {
        targetCollection = this.getRealCollectionAttributeValueFromObject(target, session);
    }
    List removes = sdkChangeRecord.getRemoves();
    List adds = sdkChangeRecord.getAdds();
    List changedMapKeys = sdkChangeRecord.getChangedMapKeys();
    synchronized (targetCollection) {
        for (Object removed : removes) {
            Object removeElement = buildRemovedElementFromChangeSet(removed, mergeManager, targetSession);
            Object targetElement = null;
            for (Object iter = cp.iteratorFor(targetCollection); cp.hasNext(iter); ) {
                targetElement = cp.next(iter, session);
                if (this.compareElements(targetElement, removeElement, session)) {
                    // matching element found - skip the rest of them
                    break;
                }
            }
            if (targetElement != null) {
                // a matching element was found, remove it
                cp.removeFrom(targetElement, targetCollection, session);
            }
        }
        for (Object added : adds) {
            Object addElement = buildAddedElementFromChangeSet(added, mergeManager, targetSession);
            cp.addInto(addElement, targetCollection, session);
        }
        for (Object changed : changedMapKeys) {
            Object changedMapKeyElement = buildAddedElementFromChangeSet(changed, mergeManager, targetSession);
            Object originalElement = ((UnitOfWorkImpl) session).getOriginalVersionOfObject(changedMapKeyElement);
            cp.removeFrom(originalElement, targetCollection, session);
            cp.addInto(changedMapKeyElement, targetCollection, session);
        }
    }
    // reset the attribute to allow for set method to re-morph changes if the collection is not being stored directly
    setRealAttributeValueInObject(target, targetCollection);
}

Example 67 with ContainerPolicy

use of org.eclipse.persistence.internal.queries.ContainerPolicy in project eclipselink by eclipse-ee4j.

the class EISOneToManyMappingHelper method compareAttributeValuesWithoutOrder.

/**
 * Compare the attributes. Return true if they are alike.
 * Ignore the order of the elements.
 */
private boolean compareAttributeValuesWithoutOrder(Object collection1, Object collection2, AbstractSession session) {
    ContainerPolicy cp = this.getContainerPolicy();
    // "clone" it so we can clear out the slots
    List vector2 = cp.vectorFor(collection2, session);
    for (Object iter1 = cp.iteratorFor(collection1); cp.hasNext(iter1); ) {
        Object element1 = cp.next(iter1, session);
        boolean found = false;
        for (int i = 0; i < vector2.size(); i++) {
            if (this.compareElements(element1, vector2.get(i), session)) {
                found = true;
                // clear out the matching element
                vector2.set(i, XXX);
                // matching element found - skip the rest of them
                break;
            }
        }
        if (!found) {
            return false;
        }
    }
    // look for elements that were not in collection1
    for (Object value : vector2) {
        if (value != XXX) {
            return false;
        }
    }
    return true;
}

Example 68 with ContainerPolicy

use of org.eclipse.persistence.internal.queries.ContainerPolicy in project eclipselink by eclipse-ee4j.

the class EISOneToManyMappingHelper method compareForChange.

/**
 * INTERNAL:
 * Build and return the change record that results
 * from comparing the two collection attributes.
 */
public ChangeRecord compareForChange(Object clone, Object backup, ObjectChangeSet owner, AbstractSession session) {
    ContainerPolicy cp = this.getContainerPolicy();
    Object cloneCollection = this.getRealCollectionAttributeValueFromObject(clone, session);
    Object backupCollection = null;
    if (owner.isNew()) {
        backupCollection = cp.containerInstance(1);
    } else {
        backupCollection = this.getRealCollectionAttributeValueFromObject(backup, session);
    }
    if (cp.hasOrder()) {
        return this.compareAttributeValuesForChangeWithOrder(cloneCollection, backupCollection, owner, session);
    } else {
        return this.compareAttributeValuesForChangeWithoutOrder(cloneCollection, backupCollection, owner, session);
    }
}

Example 69 with ContainerPolicy

use of org.eclipse.persistence.internal.queries.ContainerPolicy in project eclipselink by eclipse-ee4j.

the class XMLBinaryDataCollectionMapping method writeFromObjectIntoRow.

@Override
public void writeFromObjectIntoRow(Object object, AbstractRecord row, AbstractSession session, WriteType writeType) {
    XMLRecord record = (XMLRecord) row;
    Object attributeValue = getAttributeValueFromObject(object);
    ContainerPolicy cp = this.getContainerPolicy();
    Vector elements = new Vector(cp.sizeFor(attributeValue));
    XMLField field = (XMLField) getField();
    NamespaceResolver resolver = field.getNamespaceResolver();
    boolean isAttribute = field.getLastXPathFragment().isAttribute();
    String prefix = null;
    XMLField includeField = null;
    if (!isAttribute) {
        if (record.isXOPPackage() && !isSwaRef() && !shouldInlineBinaryData()) {
            field = (XMLField) getField();
            // on the current element
            if (resolver != null) {
                prefix = resolver.resolveNamespaceURI(XMLConstants.XOP_URL);
            }
            if (prefix == null) {
                // "xop";
                prefix = XMLConstants.XOP_PREFIX;
                resolver = new NamespaceResolver();
                resolver.put(prefix, XMLConstants.XOP_URL);
            }
            includeField = new XMLField(prefix + XMLConstants.COLON + INCLUDE + "/@href");
            includeField.setNamespaceResolver(resolver);
        }
    }
    XMLField textField = new XMLField(field.getXPath() + '/' + XMLConstants.TEXT);
    textField.setNamespaceResolver(field.getNamespaceResolver());
    textField.setSchemaType(field.getSchemaType());
    // field = textField;
    boolean inline = false;
    for (Object iter = cp.iteratorFor(attributeValue); cp.hasNext(iter); ) {
        Object element = cp.next(iter, session);
        element = getValueToWrite(element, object, record, field, includeField, session);
        if (element == null) {
            AbstractNullPolicy nullPolicy = getNullPolicy();
            if (nullPolicy == null) {
                elements.addElement(null);
            } else {
                if (nullPolicy.getMarshalNullRepresentation() == XMLNullRepresentationType.XSI_NIL) {
                    elements.addElement(XMLRecord.NIL);
                } else if (nullPolicy.getMarshalNullRepresentation() == XMLNullRepresentationType.ABSENT_NODE) {
                // Do nothing
                } else {
                    elements.addElement(XMLConstants.EMPTY_STRING);
                }
            }
        } else {
            if (element.getClass() == ClassConstants.ABYTE) {
                inline = true;
            }
            elements.addElement(element);
        }
    }
    Object fieldValue = null;
    if (!elements.isEmpty()) {
        fieldValue = this.getDescriptor().buildFieldValueFromDirectValues(elements, elementDataTypeName, session);
    }
    if (inline) {
        row.put(textField, fieldValue);
    } else {
        row.put(field, fieldValue);
    }
}

Example 70 with ContainerPolicy

use of org.eclipse.persistence.internal.queries.ContainerPolicy in project eclipselink by eclipse-ee4j.

the class XMLAnyAttributeMapping method buildObjectValuesFromDOMRecord.

private Object buildObjectValuesFromDOMRecord(DOMRecord record, AbstractSession session, ObjectBuildingQuery query) {
    // This DOMRecord represents the root node of the AnyType instance
    // Grab ALL children to populate the collection.
    ContainerPolicy cp = getContainerPolicy();
    Object container = null;
    if (reuseContainer) {
        Object currentObject = record.getCurrentObject();
        Object value = getAttributeAccessor().getAttributeValueFromObject(currentObject);
        container = value != null ? value : cp.containerInstance();
    } else {
        container = cp.containerInstance();
    }
    org.w3c.dom.Element root = (Element) record.getDOM();
    NamedNodeMap attributes = root.getAttributes();
    Attr next;
    String localName;
    int numberOfAtts = attributes.getLength();
    for (int i = 0; i < numberOfAtts; i++) {
        next = (Attr) attributes.item(i);
        localName = next.getLocalName();
        if (null == localName) {
            localName = next.getName();
        }
        String namespaceURI = next.getNamespaceURI();
        boolean includeAttribute = true;
        if (!isNamespaceDeclarationIncluded && javax.xml.XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(namespaceURI)) {
            includeAttribute = false;
        } else if (!isSchemaInstanceIncluded && javax.xml.XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI.equals(namespaceURI)) {
            includeAttribute = false;
        }
        if (includeAttribute) {
            String value = next.getValue();
            QName key = new QName(namespaceURI, localName);
            cp.addInto(key, value, container, session);
        }
    }
    return container;
}