Package org.springframework.data.repository.core.support

Class DefaultCrudMethods

java.lang.Object

org.springframework.data.repository.core.support.DefaultCrudMethods

All Implemented Interfaces:

CrudMethods

public class DefaultCrudMethods
extends Object
implements CrudMethods

Default implementation to discover CRUD methods based on the given RepositoryMetadata. Will detect methods exposed in CrudRepository but also hand crafted CRUD methods that are signature compatible with the ones on CrudRepository.

Since:

1.6

Author:

Oliver Gierke, Thomas Darimont

Constructor Summary

Constructors

Constructor	Description
DefaultCrudMethods(RepositoryMetadata metadata)	Creates a new DefaultCrudMethods using the given RepositoryMetadata.

Method Summary

Modifier and Type	Method	Description
Optional<Method>	getDeleteMethod()	Returns the delete method of the repository.
Optional<Method>	getFindAllMethod()	Returns the find all method of the repository.
Optional<Method>	getFindOneMethod()	Returns the find one method of the repository.
Optional<Method>	getSaveMethod()	Returns the method to be used for saving entities.
boolean	hasDelete()	Returns whether the repository exposes a delete method.
boolean	hasFindAllMethod()	Returns whether the repository exposes a find all method at all.
boolean	hasFindOneMethod()	Returns whether the repository exposes a find one method.
boolean	hasSaveMethod()	Returns whether the repository exposes a save method at all.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultCrudMethods

public DefaultCrudMethods(RepositoryMetadata metadata)

Creates a new DefaultCrudMethods using the given RepositoryMetadata.

Parameters:

metadata - must not be null.

Method Details

getSaveMethod

public Optional<Method> getSaveMethod()

Description copied from interface: CrudMethods

Returns the method to be used for saving entities. Usually signature compatible to CrudRepository.save(Object).

Specified by:

getSaveMethod in interface CrudMethods

Returns:

the method to save entities or Optional.empty() if none exposed.

See Also:

• CrudMethods.hasSaveMethod()

hasSaveMethod

public boolean hasSaveMethod()

Description copied from interface: CrudMethods

Returns whether the repository exposes a save method at all.

Specified by:

hasSaveMethod in interface CrudMethods

Returns:

getFindAllMethod

public Optional<Method> getFindAllMethod()

Description copied from interface: CrudMethods

Returns the find all method of the repository. Implementations should prefer more detailed methods like PagingAndSortingRepository's taking a Pageable or Sort instance.

Specified by:

getFindAllMethod in interface CrudMethods

Returns:

the find all method of the repository or Optional.empty() if not available.

See Also:

• CrudMethods.hasFindAllMethod()

hasFindAllMethod

public boolean hasFindAllMethod()

Description copied from interface: CrudMethods

Returns whether the repository exposes a find all method at all.

Specified by:

hasFindAllMethod in interface CrudMethods

Returns:

getFindOneMethod

public Optional<Method> getFindOneMethod()

Description copied from interface: CrudMethods

Returns the find one method of the repository. Usually signature compatible to CrudRepository.findById(Object)

Specified by:

getFindOneMethod in interface CrudMethods

Returns:

the find one method of the repository or Optional.empty() if not available.

See Also:

• CrudMethods.hasFindOneMethod()

hasFindOneMethod

public boolean hasFindOneMethod()

Description copied from interface: CrudMethods

Returns whether the repository exposes a find one method.

Specified by:

hasFindOneMethod in interface CrudMethods

Returns:

hasDelete

public boolean hasDelete()

Description copied from interface: CrudMethods

Returns whether the repository exposes a delete method.

Specified by:

hasDelete in interface CrudMethods

Returns:

getDeleteMethod

public Optional<Method> getDeleteMethod()

Description copied from interface: CrudMethods

Returns the delete method of the repository. Will prefer a delete-by-entity method over a delete-by-id method.

Specified by:

getDeleteMethod in interface CrudMethods

Returns:

the delete method of the repository or Optional.empty() if not available.

See Also:

• CrudMethods.hasDelete()