/** INTERNAL: Get a value from the object and set that in the respective field of the row. */ @Override public void writeFromObjectIntoRowForWhereClause( ObjectLevelModifyQuery query, AbstractRecord record) { if (isReadOnly()) { return; } Object object; if (query.isDeleteObjectQuery()) { object = query.getObject(); } else { object = query.getBackupClone(); } Object referenceObject = getRealAttributeValueFromObject(object, query.getSession()); if (referenceObject == null) { writeFromNullObjectIntoRow(record); } else { if (isForeignKeyRelationship()) { Enumeration sourceFields = getForeignKeyFields().elements(); ClassDescriptor descriptor = query.getSession().getDescriptor(referenceObject.getClass()); while (sourceFields.hasMoreElements()) { DatabaseField sourceKey = (DatabaseField) sourceFields.nextElement(); String targetQueryKey = (String) getSourceToTargetQueryKeyNames().get(sourceKey); DatabaseField targetKeyField = descriptor.getObjectBuilder().getFieldForQueryKeyName(targetQueryKey); if (targetKeyField == null) { throw DescriptorException.variableOneToOneMappingIsNotDefinedProperly( this, descriptor, targetQueryKey); } Object referenceValue = descriptor .getObjectBuilder() .extractValueFromObjectForField( referenceObject, targetKeyField, query.getSession()); record.put(sourceKey, referenceValue); } } if (getTypeField() != null) { record.put(getTypeField(), getTypeForImplementor(referenceObject.getClass())); } } }
/** * INTERNAL: Get a value from the object and set that in the respective field of the row. If the * mapping id target foreign key, you must only write the type into the roe, the rest will be * updated when the object itself is written */ @Override public void writeFromObjectIntoRowWithChangeRecord( ChangeRecord changeRecord, AbstractRecord record, AbstractSession session) { if (isReadOnly()) { return; } ObjectChangeSet changeSet = (ObjectChangeSet) ((ObjectReferenceChangeRecord) changeRecord).getNewValue(); if (changeSet == null) { writeFromNullObjectIntoRow(record); } else { Object referenceObject = changeSet.getUnitOfWorkClone(); if (isForeignKeyRelationship()) { Enumeration sourceFields = getForeignKeyFields().elements(); ClassDescriptor descriptor = session.getDescriptor(referenceObject.getClass()); while (sourceFields.hasMoreElements()) { DatabaseField sourceKey = (DatabaseField) sourceFields.nextElement(); String targetQueryKey = (String) getSourceToTargetQueryKeyNames().get(sourceKey); DatabaseField targetKeyField = descriptor.getObjectBuilder().getFieldForQueryKeyName(targetQueryKey); if (targetKeyField == null) { throw DescriptorException.variableOneToOneMappingIsNotDefinedProperly( this, descriptor, targetQueryKey); } Object referenceValue = descriptor .getObjectBuilder() .extractValueFromObjectForField(referenceObject, targetKeyField, session); record.put(sourceKey, referenceValue); } } if (getTypeField() != null) { record.put(getTypeField(), getTypeForImplementor(referenceObject.getClass())); } } }
/** INTERNAL: Write fields needed for insert into the template for with null values. */ @Override public void writeInsertFieldsIntoRow(AbstractRecord record, AbstractSession session) { writeFromNullObjectIntoRow(record); }
/** * 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 record, AbstractSession session) { writeFromNullObjectIntoRow(record); }
/** * 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 record, AbstractSession session) { writeFromNullObjectIntoRow(record); }