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

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

DeleteCascadeOperation(SormulaField<S,?> targetField, Table<T> targetTable, DeleteCascade deleteCascadeAnnotation)
Constructor used by InsertOperation.

Method Summary

protected SqlOperation<?>

createOperation() Creates new instance of sql operation from CascadeOperation.cascadeOperationClass supplied in the constructor.

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

cascade, close, prepare

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

getTargetField, getTargetTable, isPost

Methods inherited from class java.lang.Object

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

Constructor Detail

DeleteCascadeOperation

public DeleteCascadeOperation(SormulaField<S,?> targetField,
                              Table<T> targetTable,
                              DeleteCascade deleteCascadeAnnotation)

Constructor used by InsertOperation.

Parameters:

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

targetTable - cascade delete operation is performed on this table

deleteCascadeAnnotation - cascade operation

Method Detail

createOperation

protected SqlOperation<?> createOperation()
                                   throws OperationException

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

Overrides:

createOperation in class CascadeOperation<S,T>

Throws:

OperationException