org.springframework.data.relational.core.conversion

Interface DbAction<T>

Type Parameters:

T - the type of the entity that is affected by this action.

All Known Subinterfaces:

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

All Known Implementing Classes:

DbAction.Delete, DbAction.DeleteAll, DbAction.DeleteAllRoot, DbAction.DeleteRoot, DbAction.Insert, DbAction.InsertRoot, DbAction.Merge, DbAction.Update, DbAction.UpdateRoot

public interface DbAction<T>

An instance of this interface represents a (conceptual) single interaction with a database, e.g. a single update, used as a step when synchronizing the state of an aggregate with the database.

Author:

Jens Schauder, Mark Paluch, Tyler Van Gorder

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	DbAction.Delete<T> Represents a delete statement for all entities that that a reachable via a give path from the aggregate root.
static class	DbAction.DeleteAll<T> Represents an delete statement for all entities that that a reachable via a give path from any aggregate root of a given type.
static class	DbAction.DeleteAllRoot<T> Represents a delete statement for all aggregate roots of a given type.
static class	DbAction.DeleteRoot<T> Represents a delete statement for a aggregate root when only the ID is known.
static class	DbAction.Insert<T> Represents an insert statement for a single entity that is not the root of an aggregate.
static class	DbAction.InsertRoot<T> Represents an insert statement for the root of an aggregate.
static class	DbAction.Merge<T> Represents a merge statement for a single entity that is not the root of an aggregate.
static class	DbAction.Update<T> Represents an update statement for a single entity that is not the root of an aggregate.
static class	DbAction.UpdateRoot<T> Represents an update statement for the aggregate root.
static interface	DbAction.WithDependingOn<T> An action depending on another action for providing additional information like the id of a parent entity.
static interface	DbAction.WithEntity<T> A DbAction that stores the information of a single entity in the database.
static interface	DbAction.WithGeneratedId<T> A DbAction that may "update" its entity.
static interface	DbAction.WithPropertyPath<T> A DbAction not operation on the root of an aggregate but on its contained entities.
static interface	DbAction.WithVersion

Method Summary

Modifier and Type	Method and Description
void	doExecuteWith(Interpreter interpreter) Executing this DbAction with the given Interpreter without any exception handling.
default void	executeWith(Interpreter interpreter) Executing this DbAction with the given Interpreter.
Class<T>	getEntityType()

Method Detail

getEntityType

Class<T> getEntityType()

executeWith

default void executeWith(Interpreter interpreter)

Executing this DbAction with the given Interpreter.

The default implementation just performs exception handling and delegates to doExecuteWith(Interpreter).

Parameters:

interpreter - the Interpreter responsible for actually executing the DbAction.Must not be null.

doExecuteWith

void doExecuteWith(Interpreter interpreter)

Executing this DbAction with the given Interpreter without any exception handling.

Parameters:

interpreter - the Interpreter responsible for actually executing the DbAction.