org.sormula.operation.cascade

Class DeleteCascadeOperation<S,T>

java.lang.Object

org.sormula.operation.cascade.CascadeOperation<S,T>

org.sormula.operation.cascade.ModifyCascadeOperation<S,T>

org.sormula.operation.cascade.DeleteCascadeOperation<S,T>

Type Parameters:

S - row class of table that is source of cascade

T - row class of table that is target of cascade

All Implemented Interfaces:

java.lang.AutoCloseable

public class DeleteCascadeOperation<S,T>
extends ModifyCascadeOperation<S,T>

Cascade that deletes rows from target table when source operation initiates a cascade.

Author:

Jeff Miller

Constructor Summary

Constructors

Constructor and Description
DeleteCascadeOperation(DeleteOperation<S> sourceOperation, RowField<S,?> targetField, Table<T> targetTable, DeleteCascade deleteCascadeAnnotation) Constructor used by DeleteOperation.

Method Summary

Modifier and Type	Method and Description
protected SqlOperation<?>	createOperation() Creates new instance of sql operation from CascadeOperation.cascadeSqlOperationClass supplied in the constructor.

Methods inherited from class org.sormula.operation.cascade.ModifyCascadeOperation

cascade, close, deriveSqlOperationAttributes, isBatch, prepare

Methods inherited from class org.sormula.operation.cascade.CascadeOperation

getDepth, getForeignKeyReferenceFieldName, getForeignKeyValueFieldNames, getKeyFieldCount, getNamedParameterMap, getRequiredCascades, getSourceOperation, getSourceRow, getSourceTable, getTargetField, getTargetForeignKeyValueFieldList, getTargetTable, isPost, prepareForeignKeyReferenceField, prepareForeignKeyValueFields, setForeignKeyFieldNames, setForeignKeyReference, setForeignKeyReference, setForeignKeyReferenceFieldName, setForeignKeyValues, setForeignKeyValues, setPost

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DeleteCascadeOperation

public DeleteCascadeOperation(DeleteOperation<S> sourceOperation,
                              RowField<S,?> targetField,
                              Table<T> targetTable,
                              DeleteCascade deleteCascadeAnnotation)

Constructor used by DeleteOperation.

Parameters:

sourceOperation - cascade originates on row from this table

targetField - cascade delete operation uses row(s) from this field

targetTable - cascade delete operation is performed on this table

deleteCascadeAnnotation - cascade operation

Since:

4.1

Method Detail

createOperation

protected SqlOperation<?> createOperation()
                                   throws OperationException

Creates new instance of sql operation from CascadeOperation.cascadeSqlOperationClass supplied in the constructor.

Overrides:

createOperation in class CascadeOperation<S,T>

Returns:

new instance of SqlOperation that will be used for cascade

Throws:

OperationException - if error