@ComponentSpecification public interface JpqlStatementFactory extends StatementFactory
StatementFactory
for Jpql
.
There is no INSERT support
as JPQL does not have insert statements.Modifier and Type | Method and Description |
---|---|
<E> JpqlDeleteStatement<E> |
deleteFrom(EntityAlias<E> alias)
Creates a regular
DeleteStatement (DELETE FROM alias.source [AS alias.name] ... ). |
<E> JpqlSelectStatement<E> |
selectFrom(EntityAlias<?> alias,
Class<E> toClass,
PropertyPath<?>... constructorArgs)
Creates
SelectStatement for a projection to a transfer-object having an according constructor. |
JpqlSelectStatement<Object[]> |
selectFrom(EntityAlias<?> alias,
PropertyPath<?>... paths)
Creates
SelectStatement for a tuple of the given {paths (
{@code SELECT path1, path2, ... |
<E> JpqlSelectStatement<E> |
selectFrom(EntityAlias<E> alias)
Creates a regular
SelectStatement (SELECT FROM alias.source [AS alias.name] ... ). |
<E> JpqlUpdateStatement<E> |
update(EntityAlias<E> alias)
Creates a regular
UpdateStatement (UPDATE alias.source [AS alias.name] ... ). |
<E> JpqlSelectStatement<E> selectFrom(EntityAlias<E> alias)
FeatureSelect
SelectStatement
(SELECT FROM alias.source [AS alias.name] ...
).selectFrom
in interface FeatureSelect
E
- the generic type of the entity to select.alias
- the EntityAlias
to select from.SelectStatement
.JpqlSelectStatement<Object[]> selectFrom(EntityAlias<?> alias, PropertyPath<?>... paths)
FeatureSelect
SelectStatement
for a tuple of the given {paths
(
SELECT path1, path2, ... FROM alias.source [AS alias.name] ...
).selectFrom
in interface FeatureSelect
alias
- the EntityAlias
to select from.paths
- the PropertyPath
s to select.SelectStatement
.<E> JpqlSelectStatement<E> selectFrom(EntityAlias<?> alias, Class<E> toClass, PropertyPath<?>... constructorArgs)
FeatureSelect
SelectStatement
for a projection to a transfer-object having an according constructor. In JPA this
is called a constructor query (
SELECT NEW package.Classname(arg1, arg2, ...) FROM alias.source [AS alias.name] ...
). If not natively
supported this is implemented as a projection based on a tuple
selection
.selectFrom
in interface FeatureSelect
E
- the generic type of the transfer-object to select.alias
- the EntityAlias
to select from.toClass
- the transfer-object to use. Will be instantiated via the Constructor
matching to the value
types of the constructorArgs
.constructorArgs
- the selection paths (or aggregate expressions).SelectStatement
.<E> JpqlDeleteStatement<E> deleteFrom(EntityAlias<E> alias)
FeatureDelete
DeleteStatement
(DELETE FROM alias.source [AS alias.name] ...
).deleteFrom
in interface FeatureDelete
E
- the generic type of the entity to delete from.alias
- the EntityAlias
to delete from.DeleteStatement
.<E> JpqlUpdateStatement<E> update(EntityAlias<E> alias)
FeatureUpdate
UpdateStatement
(UPDATE alias.source [AS alias.name] ...
).update
in interface FeatureUpdate
E
- the generic type of the entity to update.alias
- the EntityAlias
to update.UpdateStatement
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