com.mysema.query.jdo.dml

Class JDOUpdateClause

java.lang.Object

com.mysema.query.jdo.dml.JDOUpdateClause

All Implemented Interfaces:

DMLClause<JDOUpdateClause>, StoreClause<JDOUpdateClause>, UpdateClause<JDOUpdateClause>, FilteredClause<JDOUpdateClause>

public class JDOUpdateClause
extends java.lang.Object
implements UpdateClause<JDOUpdateClause>

UpdateClause implementation for JDO

Author:

tiwe

Constructor Summary

Constructors

Constructor and Description
JDOUpdateClause()

Method Summary

Methods

Modifier and Type	Method and Description
long	execute() Execute the clause and return the amount of affected rows
boolean	isEmpty() Returns true, if no bindings have been set, otherwise false.
JDOUpdateClause	set(java.util.List<? extends Path<?>> paths, java.util.List<?> values) Set the paths to be updated
<T> JDOUpdateClause	set(Path<T> path, Expression<? extends T> expression) Add an expression binding
<T> JDOUpdateClause	set(Path<T> path, T value) Add a value binding
<T> JDOUpdateClause	setNull(Path<T> path) Bind the given path to null
JDOUpdateClause	where(Predicate... o) Adds the given filter conditions

Methods inherited from class java.lang.Object

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

Constructor Detail

JDOUpdateClause

public JDOUpdateClause()

Method Detail

execute

public long execute()

Description copied from interface: DMLClause

Execute the clause and return the amount of affected rows

Specified by:

execute in interface DMLClause<JDOUpdateClause>

Returns:

set

public JDOUpdateClause set(java.util.List<? extends Path<?>> paths,
                  java.util.List<?> values)

Description copied from interface: UpdateClause

Set the paths to be updated

Specified by:

set in interface UpdateClause<JDOUpdateClause>

Returns:

set

public <T> JDOUpdateClause set(Path<T> path,
                      T value)

Description copied from interface: StoreClause

Add a value binding

Specified by:

set in interface StoreClause<JDOUpdateClause>

Parameters:

path - path to be updated

value - value to set

Returns:

set

public <T> JDOUpdateClause set(Path<T> path,
                      Expression<? extends T> expression)

Description copied from interface: StoreClause

Add an expression binding

Specified by:

set in interface StoreClause<JDOUpdateClause>

Returns:

setNull

public <T> JDOUpdateClause setNull(Path<T> path)

Description copied from interface: StoreClause

Bind the given path to null

Specified by:

setNull in interface StoreClause<JDOUpdateClause>

Returns:

where

public JDOUpdateClause where(Predicate... o)

Description copied from interface: FilteredClause

Adds the given filter conditions

Skips null arguments

Specified by:

where in interface FilteredClause<JDOUpdateClause>

Parameters:

o - filter conditions to be added

Returns:

isEmpty

public boolean isEmpty()

Description copied from interface: StoreClause

Returns true, if no bindings have been set, otherwise false.

Specified by:

isEmpty in interface StoreClause<JDOUpdateClause>

Returns: