org.apache.metamodel

Class DeleteAndInsertBuilder

java.lang.Object

org.apache.metamodel.data.AbstractRowBuilder<RowUpdationBuilder>

org.apache.metamodel.update.AbstractRowUpdationBuilder

org.apache.metamodel.DeleteAndInsertBuilder

All Implemented Interfaces:

RowBuilder<RowUpdationBuilder>, WhereClauseBuilder<RowUpdationBuilder>, RowUpdationBuilder

public class DeleteAndInsertBuilder
extends AbstractRowUpdationBuilder

Simple implementation of the RowUpdationBuilder interface, which simply uses a combined delete+insert strategy for performing updates. Note that this implementation is not desirable performance-wise in many cases, but does provide a functional equivalent to a "real" update.

Constructor Summary

Constructors

Constructor and Description
DeleteAndInsertBuilder(AbstractUpdateCallback updateCallback, Table table)

Method Summary

Modifier and Type	Method and Description
void	execute() Commits the row updation operation.
protected List<Row>	getRowsToUpdate()

Methods inherited from class org.apache.metamodel.update.AbstractRowUpdationBuilder

getTable, getWhereItems, toSql, toString, where, where, where, where

Methods inherited from class org.apache.metamodel.data.AbstractRowBuilder

getColumns, getExplicitNulls, getStyles, getValues, isSet, toRow, value, value, value, value, value, value

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.metamodel.data.RowBuilder

isSet, toRow, value, value, value, value, value, value

Constructor Detail

DeleteAndInsertBuilder

public DeleteAndInsertBuilder(AbstractUpdateCallback updateCallback,
                              Table table)

Method Detail

execute

public void execute()
             throws MetaModelException

Description copied from interface: RowUpdationBuilder

Commits the row updation operation. This operation will overwrite rows in the DataContext.

Throws:

MetaModelException - if the operation was rejected

getRowsToUpdate

protected List<Row> getRowsToUpdate()