org.springframework.data.relational.core.conversion

Class DbAction.Merge<T>

java.lang.Object

org.springframework.data.relational.core.conversion.DbAction.Merge<T>

Type Parameters:

T - type of the entity for which this represents a database interaction.

All Implemented Interfaces:

DbAction<T>, DbAction.WithDependingOn<T>, DbAction.WithEntity<T>, DbAction.WithPropertyPath<T>

Enclosing interface:

DbAction<T>

public static final class DbAction.Merge<T>
extends Object
implements DbAction.WithDependingOn<T>, DbAction.WithPropertyPath<T>

Represents a merge statement for a single entity that is not the root of an aggregate.

Nested Class Summary

Nested classes/interfaces inherited from interface org.springframework.data.relational.core.conversion.DbAction

DbAction.AcquireLockAllRoot<T>, DbAction.AcquireLockRoot<T>, DbAction.Delete<T>, DbAction.DeleteAll<T>, DbAction.DeleteAllRoot<T>, DbAction.DeleteRoot<T>, DbAction.Insert<T>, DbAction.InsertRoot<T>, DbAction.Merge<T>, DbAction.Update<T>, DbAction.UpdateRoot<T>, DbAction.WithDependingOn<T>, DbAction.WithEntity<T>, DbAction.WithGeneratedId<T>, DbAction.WithPropertyPath<T>

Constructor Summary

Constructors

Constructor and Description
Merge(T entity, PersistentPropertyPath<RelationalPersistentProperty> propertyPath, DbAction.WithEntity<?> dependingOn)

Method Summary

Modifier and Type	Method and Description
DbAction.WithEntity<?>	getDependingOn() The DbAction of a parent entity, possibly the aggregate root.
T	getEntity()
PersistentPropertyPath<RelationalPersistentProperty>	getPropertyPath()
Map<PersistentPropertyPath<RelationalPersistentProperty>,Object>	getQualifiers() Additional values to be set during insert or update statements.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.data.relational.core.conversion.DbAction.WithDependingOn

getEntityType, getQualifier

Constructor Detail

Merge

public Merge(T entity,
             PersistentPropertyPath<RelationalPersistentProperty> propertyPath,
             DbAction.WithEntity<?> dependingOn)

Method Detail

getEntity

public T getEntity()

Specified by:

getEntity in interface DbAction.WithEntity<T>

Returns:

the entity to persist. Guaranteed to be not null.

getPropertyPath

public PersistentPropertyPath<RelationalPersistentProperty> getPropertyPath()

Specified by:

getPropertyPath in interface DbAction.WithPropertyPath<T>

Returns:

the path from the aggregate root to the affected entity

getDependingOn

public DbAction.WithEntity<?> getDependingOn()

Description copied from interface: DbAction.WithDependingOn

The DbAction of a parent entity, possibly the aggregate root. This is used to obtain values needed to persist the entity, that are not part of the current entity, especially the id of the parent, which might only become available once the parent entity got persisted.

Specified by:

getDependingOn in interface DbAction.WithDependingOn<T>

Returns:

guaranteed to be not null.

See Also:

DbAction.WithDependingOn.getQualifiers()

getQualifiers

public Map<PersistentPropertyPath<RelationalPersistentProperty>,Object> getQualifiers()

Description copied from interface: DbAction.WithDependingOn

Additional values to be set during insert or update statements.

Values come from parent entities but one might also add values manually.

Specified by:

getQualifiers in interface DbAction.WithDependingOn<T>

Returns:

guaranteed to be not null.

toString

public String toString()

Overrides:

toString in class Object