Package org.eclipse.persistence.internal.helper

Examples of org.eclipse.persistence.internal.helper.DatabaseField

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            records = (Vector<DatabaseRecord>)value;
        }
        else {
            records = new Vector<DatabaseRecord>();
            DatabaseRecord dr = new DatabaseRecord();
            dr.add(new DatabaseField("result"), value);
            records.add(dr);
        }
        SimpleXMLFormatModel simpleXMLFormatModel = new SimpleXMLFormatModel();
        XMLConversionManager conversionManager =
            (XMLConversionManager) xrService.getOXSession().getDatasourcePlatform().getConversionManager();
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            printer.printString(", ");
        } else {
            printer.setIsFirstElementPrinted(true);
        }

        newFields.addElement(new DatabaseField(getValue()));
        printSQL(printer);
    }
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            Object bean = this.getDescriptor().getInstantiationPolicy().buildNewInstance();
            KeyElementAccessor[] keyElements = this.getKeyClassFields(key.getClass());
            for (int index = 0; index < keyElements.length; ++index) {
                Object toWriteInto = bean;
                Object keyFieldValue = keyElements[index].getValue(key);
                DatabaseField field = keyElements[index].getDatabaseField();
                DatabaseMapping mapping = this.getDescriptor().getObjectBuilder().getMappingForAttributeName(keyElements[index].getAttributeName());
                if (mapping == null) {// must be aggregate
                    mapping = this.getDescriptor().getObjectBuilder().getMappingForField(field);
                }
                while (mapping.isAggregateObjectMapping()) {
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        Iterator attributesIter = descriptor.getPrimaryKeyFields().iterator();

        // Used fields in case it is an embedded class
        for (int i = 0; attributesIter.hasNext(); i++) {
            DatabaseField field = (DatabaseField)attributesIter.next();

            // This next section looks strange but we need to check all mappings
            // for this field, not just the writable one and instead of having
            // multiple sections of duplicate code I will just add the writable
            // mapping to the list.
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     * This method is used to add foreign key relationships to the mapping.
     * Both the source foreign key field name and the corresponding
     * target primary key field name must be specified.
     */
    public void addForeignKeyFieldName(String sourceForeignKeyFieldName, String targetKeyFieldName) {
        this.addForeignKeyField(new DatabaseField(sourceForeignKeyFieldName), new DatabaseField(targetKeyFieldName));
    }
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        clone.setSourceToTargetKeyFields(new HashMap(getSourceToTargetKeyFields().size()));
        clone.setTargetToSourceKeyFields(new HashMap(getTargetToSourceKeyFields().size()));
        Map setOfFields = new HashMap(getTargetToSourceKeyFields().size());

        for (Enumeration enumtr = getForeignKeyFields().elements(); enumtr.hasMoreElements();) {
            DatabaseField field = (DatabaseField)enumtr.nextElement();

            DatabaseField fieldClone = (DatabaseField)field.clone();
            setOfFields.put(field, fieldClone);
            clone.getForeignKeyFields().addElement(fieldClone);
        }

        //get clones from set for source hashtable.  If they do not exist, create a new one.   
        Iterator sourceKeyIterator = getSourceToTargetKeyFields().keySet().iterator();
        while (sourceKeyIterator.hasNext()) {
            DatabaseField sourceField = (DatabaseField)sourceKeyIterator.next();
            DatabaseField targetField = (DatabaseField)getSourceToTargetKeyFields().get(sourceField);

            DatabaseField targetClone = (DatabaseField)setOfFields.get(targetField);
            if (targetClone == null) {
                targetClone = (DatabaseField)targetField.clone();
                setOfFields.put(targetField, targetClone);
            }

            DatabaseField sourceClone = (DatabaseField)sourceField.clone();
            if (sourceClone == null) {
                sourceClone = (DatabaseField)sourceField.clone();
                setOfFields.put(sourceField, sourceClone);
            }
            clone.getSourceToTargetKeyFields().put(sourceClone, targetClone);
        }

        //get clones from set for target hashtable.  If they do not exist, create a new one.           
        Iterator targetKeyIterator = getTargetToSourceKeyFields().keySet().iterator();
        while (targetKeyIterator.hasNext()) {
            DatabaseField targetField = (DatabaseField)targetKeyIterator.next();
            DatabaseField sourceField = (DatabaseField)getTargetToSourceKeyFields().get(targetField);

            DatabaseField targetClone = (DatabaseField)setOfFields.get(targetField);
            if (targetClone == null) {
                targetClone = (DatabaseField)targetField.clone();
                setOfFields.put(targetField, targetClone);
            }

            DatabaseField sourceClone = (DatabaseField)setOfFields.get(sourceField);
            if (sourceClone == null) {
                sourceClone = (DatabaseField)sourceField.clone();
                setOfFields.put(sourceField, sourceClone);
            }
            clone.getTargetToSourceKeyFields().put(targetClone, sourceClone);
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    protected Vector extractForeignKeyFromRow(AbstractRecord row, AbstractSession session) {
        Vector key = new Vector();

        Iterator sourceKeyIterator = getSourceToTargetKeyFields().keySet().iterator();
        while (sourceKeyIterator.hasNext()) {
            DatabaseField field = (DatabaseField)sourceKeyIterator.next();
            Object value = row.get(field);

            // Must ensure the classification gets a cache hit.
            try {
                value = session.getDatasourcePlatform().getConversionManager().convertObject(value, getDescriptor().getObjectBuilder().getFieldClassification(field));
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    protected Vector extractKeyFromReferenceObject(Object object, AbstractSession session) {
        Vector key = new Vector();

        Iterator sourceKeyIterator = getSourceToTargetKeyFields().keySet().iterator();
        while (sourceKeyIterator.hasNext()) {
            DatabaseField field = (DatabaseField)sourceKeyIterator.next();
            if (object == null) {
                key.addElement(null);
            } else {
                key.addElement(getReferenceDescriptor().getObjectBuilder().extractValueFromObjectForField(object, field, session));
            }
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     */
    public Vector extractPrimaryKeysForReferenceObjectFromRow(AbstractRecord row) {
        List primaryKeyFields = getReferenceDescriptor().getPrimaryKeyFields();
        Vector result = new Vector(primaryKeyFields.size());
        for (int index = 0; index < primaryKeyFields.size(); index++) {
            DatabaseField targetKeyField = (DatabaseField)primaryKeyFields.get(index);
            DatabaseField sourceKeyField = (DatabaseField)getTargetToSourceKeyFields().get(targetKeyField);
            if (sourceKeyField == null) {
                return new Vector(1);
            }
            result.addElement(row.get(sourceKeyField));
        }
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        // Must build foreign keys fields.
        List foreignKeyFields = getForeignKeyFields();
        int size = foreignKeyFields.size();
        for (int index = 0; index < size; index++) {
            DatabaseField foreignKeyField = (DatabaseField)foreignKeyFields.get(index);
            foreignKeyField = getDescriptor().buildField(foreignKeyField);
            foreignKeyFields.set(index, foreignKeyField);
        }

        initializeForeignKeys(session);
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Related Classes of org.eclipse.persistence.internal.helper.DatabaseField

  • org.eclipse.persistence.descriptors.CacheIndex
  • org.eclipse.persistence.descriptors.CMPPolicy
  • org.eclipse.persistence.descriptors.FetchGroupManager
  • org.eclipse.persistence.descriptors.partitioning.FieldPartitioningPolicy
  • org.eclipse.persistence.descriptors.SelectedFieldsLockingPolicy
  • org.eclipse.persistence.descriptors.SingleTableMultitenantPolicy
  • org.eclipse.persistence.descriptors.TablePerClassPolicy
  • org.eclipse.persistence.dynamic.DynamicTypeBuilder
  • org.eclipse.persistence.eis.interactions.IndexedInteraction
  • org.eclipse.persistence.eis.interactions.MappedInteraction
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