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Interface Locator

All Known Implementing Classes:

TypeBasedLocator

public interface Locator

The interface used to look up components by type and id. This is primarily used by components that represent entities that relate to other entities.

Method Summary

Modifier and Type	Method and Description
<T> T	findById(java.lang.Class<T> type, java.lang.Object id) Lookup the entity with the specified type and the specified id, returning null if not present.

Method Detail

findById

@Nullable
<T> T findById(@Nonnull
                         java.lang.Class<T> type,
                         @Nonnull
                         java.lang.Object id)

Lookup the entity with the specified type and the specified id, returning null if not present.

Type Parameters:

T - the entity type.

Parameters:

type - the type of the entity.

id - the id of the entity.

Returns:

the entity or null if no such entity.