Package org.trellisldp.ext.cassandra

Class CassandraBinaryService

java.lang.Object

org.trellisldp.ext.cassandra.CassandraBinaryService

All Implemented Interfaces:

BinaryService, RetrievalService<Binary>

@ApplicationScoped
public class CassandraBinaryService
extends Object
implements BinaryService

Implements BinaryService by chunking binary data across Cassandra.

Field Summary

Fields

Modifier and Type	Field	Description
static String	CONFIG_MAX_CHUNK_SIZE	Configuration key for adjusting the chunk size of binary resources.
static int	DEFAULT_CHUNK_SIZE	The default chunk size for binary resources, in bytes.

Constructor Summary

Constructors

Constructor	Description
CassandraBinaryService()	For use with RESTeasy and CDI proxies.
CassandraBinaryService(IdentifierService idService, GetChunkSize get, Insert insert, Delete delete, Read read, ReadRange readRange)

Method Summary

Modifier and Type	Method	Description
String	generateIdentifier(IRI identifier)
CompletionStage<Binary>	get(IRI id)
CompletionStage<Void>	purgeContent(IRI identifier)
CompletionStage<Void>	setContent(BinaryMetadata meta, InputStream stream)

Methods inherited from class java.lang.Object

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

Field Detail

CONFIG_MAX_CHUNK_SIZE

public static final String CONFIG_MAX_CHUNK_SIZE

Configuration key for adjusting the chunk size of binary resources.

See Also:

Constant Field Values

DEFAULT_CHUNK_SIZE

public static final int DEFAULT_CHUNK_SIZE

The default chunk size for binary resources, in bytes.

See Also:

Constant Field Values

Constructor Detail

CassandraBinaryService

public CassandraBinaryService()

For use with RESTeasy and CDI proxies.

API Note:

This construtor is used by CDI runtimes that require a public, no-argument constructor. It should not be invoked directly in user code.

CassandraBinaryService

@Inject
public CassandraBinaryService(IdentifierService idService,
                              GetChunkSize get,
                              Insert insert,
                              Delete delete,
                              Read read,
                              ReadRange readRange)

Parameters:

idService - IdentifierService to use for binaries

get - a GetChunkSize query to use

insert - a Insert query to use

delete - a Delete query to use

read - a Read query to use

readRange - a ReadRange query to use

Method Detail

get

public CompletionStage<Binary> get(IRI id)

Specified by:

get in interface RetrievalService<Binary>

setContent

public CompletionStage<Void> setContent(BinaryMetadata meta,
                                        InputStream stream)

Specified by:

setContent in interface BinaryService

purgeContent

public CompletionStage<Void> purgeContent(IRI identifier)

Specified by:

purgeContent in interface BinaryService

generateIdentifier

public String generateIdentifier(IRI identifier)

Specified by:

generateIdentifier in interface BinaryService