Package de.espirit.firstspirit.webedit

Interface DataAssociationHandler<T,A>

Type Parameters:

T - The type to get the associations from.

A - The type of the associations.

All Superinterfaces:

Plugin, Public

public interface DataAssociationHandler<T,A>
extends Plugin

Handler for element associations.

Since:

5.2.101

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	DataAssociationHandler.Type<H extends DataAssociationHandler<?,?>>	The type token of the association handler.

Method Summary

Modifier and Type	Method	Description
@Nullable Set<A>	associate(T object)	Returns a set of objects the given object is associated with.
A	getAssociation(@NotNull String id)	Gets the association belonging to the specified identifier, or null if the identifier is invalid or unknown.
@NotNull String	getId(A association)	Returns the identifier of the given association.
@NotNull DataAssociationHandler.Type<? extends DataAssociationHandler<T,A>>	getType()	Returns the type token of this handler.

Methods inherited from interface de.espirit.firstspirit.client.plugin.Plugin

setUp, tearDown

Method Details

getType

@NotNull
@NotNull DataAssociationHandler.Type<? extends DataAssociationHandler<T,A>> getType()

Returns the type token of this handler.

Returns:

The handler type.

Since:

5.2.101

associate

@Nullable
@Nullable Set<A> associate(@NotNull
 T object)

Returns a set of objects the given object is associated with.

Parameters:

object - The object to get the associations from.

Returns:

The associated objects.

Since:

5.2.101

getId

@NotNull
@NotNull String getId(@NotNull
 A association)

Returns the identifier of the given association. This identifier might be used in getAssociation(String) to get the association later again.

Parameters:

association - The association to get the identifier from.

Returns:

The identifier.

Since:

5.2.101

getAssociation

@Nullable
A getAssociation(@NotNull
 @NotNull String id)

Gets the association belonging to the specified identifier, or null if the identifier is invalid or unknown.

Parameters:

id - The identifier of an assocation.

Returns:

The association belonging to the given id.

Since:

5.2.101