com.mysema.query.sql.dml

Class SQLUpdateClause

java.lang.Object

com.mysema.query.sql.dml.AbstractSQLClause<SQLUpdateClause>

com.mysema.query.sql.dml.SQLUpdateClause

All Implemented Interfaces:

DMLClause<SQLUpdateClause>, StoreClause<SQLUpdateClause>, UpdateClause<SQLUpdateClause>, FilteredClause<SQLUpdateClause>

public class SQLUpdateClause
extends AbstractSQLClause<SQLUpdateClause>
implements UpdateClause<SQLUpdateClause>

SQLUpdateClause defines a UPDATE clause

Author:

tiwe

Field Summary

Fields inherited from class com.mysema.query.sql.dml.AbstractSQLClause

configuration

Constructor Summary

Constructors

Constructor and Description
SQLUpdateClause(Connection connection, Configuration configuration, RelationalPath<?> entity)
SQLUpdateClause(Connection connection, SQLTemplates templates, RelationalPath<?> entity)

Method Summary

Methods

Modifier and Type	Method and Description
SQLUpdateClause	addBatch() Add the current state of bindings as a batch item
SQLUpdateClause	addFlag(QueryFlag.Position position, Expression<?> flag) Add the given Expression at the given position as a query flag
SQLUpdateClause	addFlag(QueryFlag.Position position, String flag) Add the given String literal at the given position as a query flag
long	execute() Execute the clause and return the amount of affected rows
boolean	isEmpty() Returns true, if no bindings have been set, otherwise false.
SQLUpdateClause	populate(Object bean) Populate the UPDATE clause with the properties of the given bean.
<T> SQLUpdateClause	populate(T obj, Mapper<T> mapper) Populate the UPDATE clause with the properties of the given bean using the given Mapper.
SQLUpdateClause	set(List<? extends Path<?>> paths, List<?> values) Set the paths to be updated
<T> SQLUpdateClause	set(Path<T> path, Expression<? extends T> expression) Add an expression binding
<T> SQLUpdateClause	set(Path<T> path, T value) Add a value binding
<T> SQLUpdateClause	setNull(Path<T> path) Bind the given path to null
String	toString()
SQLUpdateClause	where(Predicate... o) Adds the given filter conditions
SQLUpdateClause	where(Predicate p)

Methods inherited from class com.mysema.query.sql.dml.AbstractSQLClause

close, close, executeBatch, setParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

SQLUpdateClause

public SQLUpdateClause(Connection connection,
               SQLTemplates templates,
               RelationalPath<?> entity)

SQLUpdateClause

public SQLUpdateClause(Connection connection,
               Configuration configuration,
               RelationalPath<?> entity)

Method Detail

addFlag

public SQLUpdateClause addFlag(QueryFlag.Position position,
                      String flag)

Add the given String literal at the given position as a query flag

Parameters:

position -

flag -

Returns:

addFlag

public SQLUpdateClause addFlag(QueryFlag.Position position,
                      Expression<?> flag)

Add the given Expression at the given position as a query flag

Parameters:

position -

flag -

Returns:

addBatch

public SQLUpdateClause addBatch()

Add the current state of bindings as a batch item

Returns:

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<SQLUpdateClause>

Returns:

set

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

Description copied from interface: StoreClause

Add a value binding

Specified by:

set in interface StoreClause<SQLUpdateClause>

Parameters:

path - path to be updated

value - value to set

Returns:

set

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

Description copied from interface: StoreClause

Add an expression binding

Specified by:

set in interface StoreClause<SQLUpdateClause>

Returns:

setNull

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

Description copied from interface: StoreClause

Bind the given path to null

Specified by:

setNull in interface StoreClause<SQLUpdateClause>

Returns:

set

public SQLUpdateClause set(List<? extends Path<?>> paths,
                  List<?> values)

Description copied from interface: UpdateClause

Set the paths to be updated

Specified by:

set in interface UpdateClause<SQLUpdateClause>

Returns:

where

public SQLUpdateClause where(Predicate p)

where

public SQLUpdateClause where(Predicate... o)

Description copied from interface: FilteredClause

Adds the given filter conditions

Specified by:

where in interface FilteredClause<SQLUpdateClause>

Parameters:

o - filter conditions to be added

Returns:

toString

public String toString()

Overrides:

toString in class Object

populate

public SQLUpdateClause populate(Object bean)

Populate the UPDATE clause with the properties of the given bean. The properties need to match the fields of the clause's entity instance. Primary key columns are skipped in the population.

Parameters:

bean -

Returns:

populate

public <T> SQLUpdateClause populate(T obj,
                           Mapper<T> mapper)

Populate the UPDATE clause with the properties of the given bean using the given Mapper.

Parameters:

obj -

mapper -

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<SQLUpdateClause>

Returns: