How to use

writeFromObjectIntoRow

method

in

org.eclipse.persistence.eis.mappings.EISOneToManyMapping

/**
 * INTERNAL:
 * Get the appropriate attribute value from the object
 * and put it in the appropriate field of the database row.
 * Loop through the reference objects and extract the
 * primary keys and put them in the vector of "nested" rows.
 */
public void writeFromObjectIntoRowWithChangeRecord(ChangeRecord changeRecord, AbstractRecord row, AbstractSession session) {
  if (isForeignKeyRelationship()) {
    Object object = ((ObjectChangeSet)changeRecord.getOwner()).getUnitOfWorkClone();
    this.writeFromObjectIntoRow(object, row, session);
  } else {
    super.writeFromObjectIntoRowWithChangeRecord(changeRecord, row, session);
  }
}

/**
 * INTERNAL:
 * Get the appropriate attribute value from the object
 * and put it in the appropriate field of the database row.
 * Loop through the reference objects and extract the
 * primary keys and put them in the vector of "nested" rows.
 */
@Override
public void writeFromObjectIntoRowWithChangeRecord(ChangeRecord changeRecord, AbstractRecord row, AbstractSession session, WriteType writeType) {
  if (isForeignKeyRelationship()) {
    Object object = ((ObjectChangeSet)changeRecord.getOwner()).getUnitOfWorkClone();
    this.writeFromObjectIntoRow(object, row, session, writeType);
  } else {
    super.writeFromObjectIntoRowWithChangeRecord(changeRecord, row, session, writeType);
  }
}

/**
 * INTERNAL:
 * Get the appropriate attribute value from the object
 * and put it in the appropriate field of the database row.
 * Loop through the reference objects and extract the
 * primary keys and put them in the vector of "nested" rows.
 */
@Override
public void writeFromObjectIntoRowWithChangeRecord(ChangeRecord changeRecord, AbstractRecord row, AbstractSession session, WriteType writeType) {
  if (isForeignKeyRelationship()) {
    Object object = ((ObjectChangeSet)changeRecord.getOwner()).getUnitOfWorkClone();
    this.writeFromObjectIntoRow(object, row, session, writeType);
  } else {
    super.writeFromObjectIntoRowWithChangeRecord(changeRecord, row, session, writeType);
  }
}

/**
 * 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);
}
 

/**
 * INTERNAL:
 * If any of the references objects has changed, write out
 * all the keys.
 */
@Override
public void writeFromObjectIntoRowForUpdate(WriteObjectQuery writeQuery, AbstractRecord row) throws DescriptorException {
  if (!this.isAttributeValueInstantiatedOrChanged(writeQuery.getObject())) {
    return;
  }
  AbstractSession session = writeQuery.getSession();
  if (session.isUnitOfWork()) {
    // PRS2074 fix for "traditional" Indirection
    Object collection1 = this.getRealCollectionAttributeValueFromObject(writeQuery.getObject(), session);
    Object collection2 = this.getRealCollectionAttributeValueFromObject(writeQuery.getBackupClone(), session);
    if (this.compareObjectsWithoutPrivateOwned(collection1, collection2, session)) {
      return;// nothing has changed - don't put anything in the row
    }
  }
  this.writeFromObjectIntoRow(writeQuery.getObject(), row, session, WriteType.UPDATE);
}

/**
 * INTERNAL:
 * If any of the references objects has changed, write out
 * all the keys.
 */
public void writeFromObjectIntoRowForUpdate(WriteObjectQuery writeQuery, AbstractRecord row) throws DescriptorException {
  if (!this.isAttributeValueInstantiatedOrChanged(writeQuery.getObject())) {
    return;
  }
  AbstractSession session = writeQuery.getSession();
  if (session.isUnitOfWork()) {
    // PRS2074 fix for "traditional" Indirection
    Object collection1 = this.getRealCollectionAttributeValueFromObject(writeQuery.getObject(), session);
    Object collection2 = this.getRealCollectionAttributeValueFromObject(writeQuery.getBackupClone(), session);
    if (this.compareObjectsWithoutPrivateOwned(collection1, collection2, session)) {
      return;// nothing has changed - don't put anything in the row
    }
  }
  this.writeFromObjectIntoRow(writeQuery.getObject(), row, session);
}

/**
 * INTERNAL:
 * If any of the references objects has changed, write out
 * all the keys.
 */
@Override
public void writeFromObjectIntoRowForUpdate(WriteObjectQuery writeQuery, AbstractRecord row) throws DescriptorException {
  if (!this.isAttributeValueInstantiatedOrChanged(writeQuery.getObject())) {
    return;
  }
  AbstractSession session = writeQuery.getSession();
  if (session.isUnitOfWork()) {
    // PRS2074 fix for "traditional" Indirection
    Object collection1 = this.getRealCollectionAttributeValueFromObject(writeQuery.getObject(), session);
    Object collection2 = this.getRealCollectionAttributeValueFromObject(writeQuery.getBackupClone(), session);
    if (this.compareObjectsWithoutPrivateOwned(collection1, collection2, session)) {
      return;// nothing has changed - don't put anything in the row
    }
  }
  this.writeFromObjectIntoRow(writeQuery.getObject(), row, session, WriteType.UPDATE);
}