org.trellisldp.api

Interface BinaryService

All Superinterfaces:

RetrievalService<Binary>

All Known Implementing Classes:

FileBinaryService, InMemoryBinaryService

public interface BinaryService
extends RetrievalService<Binary>

The BinaryService provides methods for retrieving, modifying and checking the validity of binary content.

Method Summary

Modifier and Type	Method and Description
String	generateIdentifier() Get a new identifier.
CompletionStage<Void>	purgeContent(IRI identifier) Purge the content from its corresponding datastore.
CompletionStage<Void>	setContent(BinaryMetadata metadata, InputStream stream) Set the content for a binary object.

Methods inherited from interface org.trellisldp.api.RetrievalService

get

Method Detail

setContent

CompletionStage<Void> setContent(BinaryMetadata metadata,
                                 InputStream stream)

Set the content for a binary object.

Parameters:

metadata - the binary metadata

stream - the content

Returns:

the new completion stage

purgeContent

CompletionStage<Void> purgeContent(IRI identifier)

Purge the content from its corresponding datastore.

Parameters:

identifier - the binary object identifier

Returns:

a new completion stage that, when the stage completes normally, indicates that the binary data were successfully deleted from the corresponding persistence layer. In the case of an unsuccessful operation, the CompletionStage will complete exceptionally and can be handled with CompletionStage.handle(java.util.function.BiFunction<? super T, java.lang.Throwable, ? extends U>), CompletionStage.exceptionally(java.util.function.Function<java.lang.Throwable, ? extends T>) or similar methods.

generateIdentifier

String generateIdentifier()

Get a new identifier.

Returns:

a new identifier