org.eclipse.persistence.eis.mappings.EISOneToManyMapping.getForeignKeyGroupingElement java code examples

Common ways to obtain EISOneToManyMapping

private void myMethod () {
 EISOneToManyMapping e =CollectionMapping collectionMapping;(EISOneToManyMapping) collectionMapping.clone()
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}

/**
 * Return all the fields mapped by the mapping.
 */
protected Vector collectFields() {
  if (isForeignKeyRelationship()) {
    if (this.getForeignKeyGroupingElement() != null) {
      Vector fields = new Vector(1);
      fields.addElement(this.getForeignKeyGroupingElement());
      return fields;
    } else {
      return NO_FIELDS;
    }
  } else {
    return NO_FIELDS;
  }
}

/**
 * Return all the fields mapped by the mapping.
 */
@Override
protected Vector collectFields() {
  if (isForeignKeyRelationship()) {
    if (this.getForeignKeyGroupingElement() != null) {
      Vector fields = new Vector(1);
      fields.addElement(this.getForeignKeyGroupingElement());
      return fields;
    } else {
      return NO_FIELDS;
    }
  } else {
    return NO_FIELDS;
  }
}

/**
 * Return all the fields mapped by the mapping.
 */
@Override
protected Vector collectFields() {
  if (isForeignKeyRelationship()) {
    if (this.getForeignKeyGroupingElement() != null) {
      Vector fields = new Vector(1);
      fields.addElement(this.getForeignKeyGroupingElement());
      return fields;
    } else {
      return NO_FIELDS;
    }
  } else {
    return NO_FIELDS;
  }
}

/**
 * INTERNAL:
 * Write fields needed for insert into the template for with null values.
 */
@Override
public void writeInsertFieldsIntoRow(AbstractRecord row, AbstractSession session) {
  if (isForeignKeyRelationship() && !isReadOnly()) {
    if (getForeignKeyGroupingElement() != null) {
      row.put(getForeignKeyGroupingElement(), null);
    } else if (this.getSourceForeignKeyFields().size() > 0) {
      row.put(getSourceForeignKeyFields().get(0), null);
    }
  } else {
    super.writeInsertFieldsIntoRow(row, session);
  }
}

/**
 * INTERNAL:
 * Write fields needed for insert into the template for with null values.
 */
public void writeInsertFieldsIntoRow(AbstractRecord row, AbstractSession session) {
  if (isForeignKeyRelationship() && !isReadOnly()) {
    if (getForeignKeyGroupingElement() != null) {
      row.put(getForeignKeyGroupingElement(), null);
    } else if (this.getSourceForeignKeyFields().size() > 0) {
      row.put(getSourceForeignKeyFields().get(0), null);
    }
  } else {
    super.writeInsertFieldsIntoRow(row, session);
  }
}

/**
 * INTERNAL:
 * This row is built for shallow insert which happens in case of bidirectional inserts.
 * The foreign keys must be set to null to avoid constraints.
 */
public void writeFromObjectIntoRowForShallowInsert(Object object, AbstractRecord row, AbstractSession session) {
  if (isForeignKeyRelationship() && !isReadOnly()) {
    if (getForeignKeyGroupingElement() != null) {
      row.put(getForeignKeyGroupingElement(), null);
    } else if (this.getSourceForeignKeyFields().size() > 0) {
      row.put(getSourceForeignKeyFields().get(0), null);
    }
  } else {
    super.writeFromObjectIntoRowForShallowInsert(object, row, session);
  }
}

/**
 * INTERNAL:
 * This row is built for shallow insert which happens in case of bidirectional inserts.
 * The foreign keys must be set to null to avoid constraints.
 */
@Override
public void writeFromObjectIntoRowForShallowInsert(Object object, AbstractRecord row, AbstractSession session) {
  if (isForeignKeyRelationship() && !isReadOnly()) {
    if (getForeignKeyGroupingElement() != null) {
      row.put(getForeignKeyGroupingElement(), null);
    } else if (this.getSourceForeignKeyFields().size() > 0) {
      row.put(getSourceForeignKeyFields().get(0), null);
    }
  } else {
    super.writeFromObjectIntoRowForShallowInsert(object, row, session);
  }
}

/**
 * INTERNAL:
 * Write fields needed for insert into the template for with null values.
 */
@Override
public void writeInsertFieldsIntoRow(AbstractRecord row, AbstractSession session) {
  if (isForeignKeyRelationship() && !isReadOnly()) {
    if (getForeignKeyGroupingElement() != null) {
      row.put(getForeignKeyGroupingElement(), null);
    } else if (this.getSourceForeignKeyFields().size() > 0) {
      row.put(getSourceForeignKeyFields().get(0), null);
    }
  } else {
    super.writeInsertFieldsIntoRow(row, session);
  }
}

/**
 * INTERNAL:
 * This row is built for shallow insert which happens in case of bidirectional inserts.
 * The foreign keys must be set to null to avoid constraints.
 */
public void writeFromObjectIntoRowForShallowInsertWithChangeRecord(ChangeRecord changeRecord, AbstractRecord row, AbstractSession session) {
  if (isForeignKeyRelationship() && !isReadOnly()) {
    if (getForeignKeyGroupingElement() != null) {
      row.put(getForeignKeyGroupingElement(), null);
    } else if (this.getSourceForeignKeyFields().size() > 0) {
      row.put(getSourceForeignKeyFields().get(0), null);
    }
  } else {
    super.writeFromObjectIntoRowForShallowInsertWithChangeRecord(changeRecord, row, session);
  }
}

/**
 * INTERNAL:
 * This row is built for shallow insert which happens in case of bidirectional inserts.
 * The foreign keys must be set to null to avoid constraints.
 */
@Override
public void writeFromObjectIntoRowForShallowInsertWithChangeRecord(ChangeRecord changeRecord, AbstractRecord row, AbstractSession session) {
  if (isForeignKeyRelationship() && !isReadOnly()) {
    if (getForeignKeyGroupingElement() != null) {
      row.put(getForeignKeyGroupingElement(), null);
    } else if (this.getSourceForeignKeyFields().size() > 0) {
      row.put(getSourceForeignKeyFields().get(0), null);
    }
  } else {
    super.writeFromObjectIntoRowForShallowInsertWithChangeRecord(changeRecord, row, session);
  }
}

/**
 * INTERNAL:
 * This row is built for shallow insert which happens in case of bidirectional inserts.
 * The foreign keys must be set to null to avoid constraints.
 */
@Override
public void writeFromObjectIntoRowForShallowInsert(Object object, AbstractRecord row, AbstractSession session) {
  if (isForeignKeyRelationship() && !isReadOnly()) {
    if (getForeignKeyGroupingElement() != null) {
      row.put(getForeignKeyGroupingElement(), null);
    } else if (this.getSourceForeignKeyFields().size() > 0) {
      row.put(getSourceForeignKeyFields().get(0), null);
    }
  } else {
    super.writeFromObjectIntoRowForShallowInsert(object, row, session);
  }
}

/**
 * INTERNAL:
 * This row is built for shallow insert which happens in case of bidirectional inserts.
 * The foreign keys must be set to null to avoid constraints.
 */
@Override
public void writeFromObjectIntoRowForShallowInsertWithChangeRecord(ChangeRecord changeRecord, AbstractRecord row, AbstractSession session) {
  if (isForeignKeyRelationship() && !isReadOnly()) {
    if (getForeignKeyGroupingElement() != null) {
      row.put(getForeignKeyGroupingElement(), null);
    } else if (this.getSourceForeignKeyFields().size() > 0) {
      row.put(getSourceForeignKeyFields().get(0), null);
    }
  } else {
    super.writeFromObjectIntoRowForShallowInsertWithChangeRecord(changeRecord, row, session);
  }
}

/**
 * INTERNAL:
 */
public Vector getForeignKeyRows(AbstractRecord row, AbstractSession session) {
  Vector subRows = new Vector();
  if (getForeignKeyGroupingElement() == null) {
    if (this.getSourceForeignKeyFields().size() > 0) {
      Object values = row.getValues(this.getSourceForeignKeyFields().get(0));
      if (values != null) {
        if (values instanceof Vector) {
          int valuesSize = ((Vector)values).size();
          for (int j = 0; j < valuesSize; j++) {
            AbstractRecord newRecord = this.descriptor.getObjectBuilder().createRecord(session);
            newRecord.put(this.getSourceForeignKeyFields().get(0), ((Vector)values).get(j));
            subRows.add(newRecord);
          }
        } else {
          AbstractRecord newRecord = this.descriptor.getObjectBuilder().createRecord(session);
          newRecord.put(getSourceForeignKeyFields().get(0), values);
          subRows.add(newRecord);
        }
      }
    }
  } else {
    subRows = (Vector)row.getValues(getForeignKeyGroupingElement());
  }
  return subRows;
}

/**
 * INTERNAL:
 * Initialize the mapping.
 */
@Override
public void initialize(AbstractSession session) throws DescriptorException {
  super.initialize(session);
  if ((this.getForeignKeyGroupingElement() == null) && (this.getSourceForeignKeysToTargetKeys().size() > 1)) {
    throw EISException.groupingElementRequired();
  }
  if (this.getForeignKeyGroupingElement() != null) {
    DatabaseField field = this.getDescriptor().buildField(this.getForeignKeyGroupingElement());
    setForeignKeyGroupingElement(field);
  }
  this.initializeSourceForeignKeysToTargetKeys();
  if (shouldInitializeSelectionCriteria()) {
    initializeSelectionCriteria(session);
  }
  this.initializeDeleteAllQuery();
}

/**
 * INTERNAL:
 * Initialize the mapping.
 */
public void initialize(AbstractSession session) throws DescriptorException {
  super.initialize(session);
  if (!this.hasCustomSelectionQuery()) {
    throw DescriptorException.operationNotSupported("customSelectionQueryRequired");
  }
  if ((this.getForeignKeyGroupingElement() == null) && (this.getSourceForeignKeysToTargetKeys().size() > 1)) {
    throw EISException.groupingElementRequired();
  }
  if (this.getForeignKeyGroupingElement() != null) {
    DatabaseField field = this.getDescriptor().buildField(this.getForeignKeyGroupingElement());
    setForeignKeyGroupingElement((XMLField)field);
  }
  this.initializeSourceForeignKeysToTargetKeys();
  this.initializeDeleteAllQuery();
}

/**
 * INTERNAL:
 * Initialize the mapping.
 */
@Override
public void initialize(AbstractSession session) throws DescriptorException {
  super.initialize(session);
  if ((this.getForeignKeyGroupingElement() == null) && (this.getSourceForeignKeysToTargetKeys().size() > 1)) {
    throw EISException.groupingElementRequired();
  }
  if (this.getForeignKeyGroupingElement() != null) {
    DatabaseField field = this.getDescriptor().buildField(this.getForeignKeyGroupingElement());
    setForeignKeyGroupingElement(field);
  }
  this.initializeSourceForeignKeysToTargetKeys();
  
  if (shouldInitializeSelectionCriteria()) {
    initializeSelectionCriteria(session);
  }
  this.initializeDeleteAllQuery();
}

/**
 * INTERNAL:
 * This row is built for update after shallow insert which happens in case of bidirectional inserts.
 * It contains the foreign keys with non null values that were set to null for shallow insert.
 * If mapping overrides writeFromObjectIntoRowForShallowInsert method it must override this one, too.
 */
public void writeFromObjectIntoRowForUpdateAfterShallowInsert(Object object, AbstractRecord row, AbstractSession session, DatabaseTable table) {
  if (isReadOnly() || !isForeignKeyRelationship()) {
    return;
  }
  if (getForeignKeyGroupingElement() != null) {
    if (!getForeignKeyGroupingElement().getTable().equals(table)) {
      return;
    }
  } else if (this.getSourceForeignKeyFields().size() > 0) {
    if (!getSourceForeignKeyFields().get(0).getTable().equals(table)) {
      return;
    }
  }
  writeFromObjectIntoRow(object, row, session, WriteType.UPDATE);
}

/**
 * INTERNAL:
 * This row is built for update after shallow insert which happens in case of bidirectional inserts.
 * It contains the foreign keys with non null values that were set to null for shallow insert.
 * If mapping overrides writeFromObjectIntoRowForShallowInsert method it must override this one, too.
 */
public void writeFromObjectIntoRowForUpdateAfterShallowInsert(Object object, AbstractRecord row, AbstractSession session, DatabaseTable table) {
  if (isReadOnly() || !isForeignKeyRelationship()) {
    return;
  }
  if (getForeignKeyGroupingElement() != null) {
    if (!getForeignKeyGroupingElement().getTable().equals(table)) {
      return;
    }
  } else if (this.getSourceForeignKeyFields().size() > 0) {
    if (!getSourceForeignKeyFields().get(0).getTable().equals(table)) {
      return;
    }
  }
  writeFromObjectIntoRow(object, row, session, WriteType.UPDATE);
}

/**
 * Build and return a database row that contains a foreign key for the specified reference 
 * object.  This will be stored in the nested row(s).
 */
protected XMLRecord extractKeyRowFromReferenceObject(Object object, AbstractSession session, XMLRecord parentRecord) {
  Element newNode = XPathEngine.getInstance().createUnownedElement(parentRecord.getDOM(), getForeignKeyGroupingElement());
  XMLRecord result = new DOMRecord(newNode);
  result.setSession(session);
  for (int i = 0; i < this.getSourceForeignKeyFields().size(); i++) {
    DatabaseField fkField = (DatabaseField)getSourceForeignKeyFields().get(i);
    if (object == null) {
      result.add(fkField, null);
    } else {
      DatabaseField pkField = (DatabaseField)this.getSourceForeignKeysToTargetKeys().get(fkField);
      Object value = this.getReferenceDescriptor().getObjectBuilder().extractValueFromObjectForField(object, pkField, session);
      result.add(fkField, value);
    }
  }
  return result;
}

/**
 * Build and return a database row that contains a foreign key for the specified reference
 * object.  This will be stored in the nested row(s).
 */
protected AbstractRecord extractKeyRowFromReferenceObject(Object object, AbstractSession session, AbstractRecord parentRecord) {
  int size = this.sourceForeignKeyFields.size();
  AbstractRecord result;
  if (((EISDescriptor) this.getDescriptor()).isXMLFormat()) {
    Element newNode = XPathEngine.getInstance().createUnownedElement(((XMLRecord)parentRecord).getDOM(), (XMLField)getForeignKeyGroupingElement());
    result = new DOMRecord(newNode);
    ((DOMRecord)result).setSession(session);
  } else {
    result = this.descriptor.getObjectBuilder().createRecord(size, session);
  }
  for (int index = 0; index < size; index++) {
    DatabaseField fkField = this.sourceForeignKeyFields.get(index);
    if (object == null) {
      result.add(fkField, null);
    } else {
      DatabaseField pkField = this.sourceForeignKeysToTargetKeys.get(fkField);
      Object value = this.referenceDescriptor.getObjectBuilder().extractValueFromObjectForField(object, pkField, session);
      result.add(fkField, value);
    }
  }
  return result;
}

Javadoc

Get the grouping element field on the mapping. This is an optional setting.

Popular methods of EISOneToManyMapping

addForeignKeyField
PUBLIC: Define the source foreign key relationship in the one-to-many mapping. This method is used f
buildAddedElementFromChangeSet
INTERNAL: Build and return a new element based on the change set.
buildChangeSet
INTERNAL: Build and return a change set for the specified element.
buildElementFromChangeSet
Build and return a new element based on the change set.
buildElementFromElement
INTERNAL: Build and return a new element based on the specified element.
buildRemovedElementFromChangeSet
INTERNAL: Build and return a new element based on the change set.
compareElements
INTERNAL: Compare the non-null elements and return true if they are alike.
compareElementsForChange
INTERNAL: Compare the non-null elements and return true if they are alike. Here we use object identi
compareObjectsAndWrite
compareObjectsWithoutPrivateOwned
deleteAll
Delete all the reference objects.
deleteReferenceObjectsLeftOnDatabase
This method will make sure that all the records privately owned by this mapping are actually removed

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How to use getForeignKeyGroupingElementmethodin org.eclipse.persistence.eis.mappings.EISOneToManyMapping

Best Java code snippets using org.eclipse.persistence.eis.mappings.EISOneToManyMapping.getForeignKeyGroupingElement (Showing top 20 results out of 315)

How to use
getForeignKeyGroupingElement
method
in
org.eclipse.persistence.eis.mappings.EISOneToManyMapping