Package io.ebeaninternal.server.querydefn

Class DefaultUpdateQuery<T>

java.lang.Object

io.ebeaninternal.server.querydefn.DefaultUpdateQuery<T>

All Implemented Interfaces:

UpdateQuery<T>

public class DefaultUpdateQuery<T>
extends Object
implements UpdateQuery<T>

Default implementation of UpdateQuery.

Constructor Summary

Constructors

Constructor	Description
DefaultUpdateQuery(DefaultOrmQuery<T> query)

Method Summary

Modifier and Type	Method	Description
UpdateQuery<T>	set(String property, Object value)	Set the value of a property.
UpdateQuery<T>	setLabel(String label)	Set the label on the update query.
UpdateQuery<T>	setNull(String property)	Set the property to be null.
UpdateQuery<T>	setProfileLocation(ProfileLocation profileLocation)	Set the profile location of this update query.
UpdateQuery<T>	setRaw(String propertyExpression)	Set using a property expression that does not need any bind values.
UpdateQuery<T>	setRaw(String propertyExpression, Object... vals)	Set using a property expression that can contain ? bind value placeholders.
int	update()	Execute the update returning the number of rows updated.
ExpressionList<T>	where()	Return the query expression list to add predicates to.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultUpdateQuery

public DefaultUpdateQuery(DefaultOrmQuery<T> query)

Method Detail

set

public UpdateQuery<T> set(String property,
                          Object value)

Description copied from interface: UpdateQuery

Set the value of a property.

   int rows = DB.update(Customer.class)
      .set("status", Customer.Status.ACTIVE)
      .set("updtime", new Timestamp(System.currentTimeMillis()))
      .where()
      .gt("id", 1000)
      .update();

 

Specified by:

set in interface UpdateQuery<T>

Parameters:

property - The bean property to be set

value - The value to set the property to

setNull

public UpdateQuery<T> setNull(String property)

Description copied from interface: UpdateQuery

Set the property to be null.

   int rows = DB.update(Customer.class)
      .setNull("notes")
      .where()
      .gt("id", 1000)
      .update();

 

Specified by:

setNull in interface UpdateQuery<T>

Parameters:

property - The property to be set to null.

setRaw

public UpdateQuery<T> setRaw(String propertyExpression)

Description copied from interface: UpdateQuery

Set using a property expression that does not need any bind values.

The property expression typically contains database functions.

   int rows = DB.update(Customer.class)
      .setRaw("status = coalesce(status, 'A')")
      .where()
      .gt("id", 1000)
      .update();

 

Specified by:

setRaw in interface UpdateQuery<T>

Parameters:

propertyExpression - A property expression

setRaw

public UpdateQuery<T> setRaw(String propertyExpression,
                             Object... vals)

Description copied from interface: UpdateQuery

Set using a property expression that can contain ? bind value placeholders.

For each ? in the property expression there should be a matching bind value supplied.

   int rows = DB.update(Customer.class)
      .setRaw("status = coalesce(status, ?)", Customer.Status.ACTIVE)
      .where()
      .gt("id", 1000)
      .update();

 

Specified by:

setRaw in interface UpdateQuery<T>

Parameters:

propertyExpression - A raw property expression

vals - The values to bind with the property expression

setProfileLocation

public UpdateQuery<T> setProfileLocation(ProfileLocation profileLocation)

Description copied from interface: UpdateQuery

Set the profile location of this update query. This is used to relate query execution metrics back to a location like a specific line of code.

Specified by:

setProfileLocation in interface UpdateQuery<T>

setLabel

public UpdateQuery<T> setLabel(String label)

Description copied from interface: UpdateQuery

Set the label on the update query.

Specified by:

setLabel in interface UpdateQuery<T>

where

public ExpressionList<T> where()

Description copied from interface: UpdateQuery

Return the query expression list to add predicates to.

Specified by:

where in interface UpdateQuery<T>

update

public int update()

Description copied from interface: UpdateQuery

Execute the update returning the number of rows updated.

Specified by:

update in interface UpdateQuery<T>