Interface CriteriaStatement<T>

Type Parameters:

T - The affected entity type

All Superinterfaces:

CommonAbstractCriteria

All Known Subinterfaces:

CriteriaDelete<T>, CriteriaUpdate<T>

public interface CriteriaStatement<T>
extends CommonAbstractCriteria

Declares operations common to CriteriaUpdate and CriteriaDelete. A CriteriaStatement represents a bulk operation affecting a certain entity type.

Since:

4.0

See Also:

• CriteriaUpdate
• CriteriaDelete
• EntityHandler.createStatement(CriteriaStatement)

Method Summary

Modifier and Type	Method	Description
Root<T>	from(EntityType<T> entity)	Create and add a statement root corresponding to the entity that is affected by the statement.
Root<T>	from(Class<T> entityClass)	Create and add a statement root corresponding to the entity that is affected by the statement.
Root<T>	getRoot()	Return the statement root.

Methods inherited from interface CommonAbstractCriteria

getParameters, getRestriction, subquery, subquery

Method Details

from

@Nonnull
Root<T> from(@Nonnull
 Class<T> entityClass)

Create and add a statement root corresponding to the entity that is affected by the statement. A statement has a single root, the entity that is affected.

Parameters:

entityClass - the entity class

Returns:

query root corresponding to the given entity

from

@Nonnull
Root<T> from(@Nonnull
 EntityType<T> entity)

Create and add a statement root corresponding to the entity that is affected by the statement. A statement has a single root, the entity that is affected.

Parameters:

entity - metamodel object representing the entity

Returns:

query root corresponding to the given entity

getRoot

@Nullable
Root<T> getRoot()

Return the statement root.

Returns:

the statement root