org.trellisldp.file

Class FileMementoService

java.lang.Object

org.trellisldp.file.FileMementoService

All Implemented Interfaces:

org.trellisldp.api.MementoService

@Alternative
public class FileMementoService
extends java.lang.Object
implements org.trellisldp.api.MementoService

A file-based versioning system.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CONFIG_FILE_MEMENTO_PATH The configuration key controlling the base filesystem path for memento storage.

Constructor Summary

Constructors

Constructor and Description
FileMementoService() Create a file-based memento service.
FileMementoService(java.lang.String path) Create a file-based memento service.

Method Summary

Modifier and Type	Method and Description
java.util.concurrent.CompletionStage<java.lang.Void>	delete(org.apache.commons.rdf.api.IRI identifier, java.time.Instant time) Delete a memento at the given time.
java.util.concurrent.CompletionStage<org.trellisldp.api.Resource>	get(org.apache.commons.rdf.api.IRI identifier, java.time.Instant time)
java.util.concurrent.CompletionStage<java.util.SortedSet<java.time.Instant>>	mementos(org.apache.commons.rdf.api.IRI identifier)
java.util.concurrent.CompletionStage<java.lang.Void>	put(org.trellisldp.api.Resource resource)
java.util.concurrent.CompletionStage<java.lang.Void>	put(org.trellisldp.api.Resource resource, java.time.Instant time) Create a Memento from a resource at a particular time.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.trellisldp.api.MementoService

put

Field Detail

CONFIG_FILE_MEMENTO_PATH

public static final java.lang.String CONFIG_FILE_MEMENTO_PATH

The configuration key controlling the base filesystem path for memento storage.

See Also:

Constant Field Values

Constructor Detail

FileMementoService

public FileMementoService()

Create a file-based memento service.

FileMementoService

public FileMementoService(java.lang.String path)

Create a file-based memento service.

Parameters:

path - the file path

Method Detail

put

public java.util.concurrent.CompletionStage<java.lang.Void> put(org.trellisldp.api.Resource resource)

Specified by:

put in interface org.trellisldp.api.MementoService

put

public java.util.concurrent.CompletionStage<java.lang.Void> put(org.trellisldp.api.Resource resource,
                                                                java.time.Instant time)

Create a Memento from a resource at a particular time.

Parameters:

resource - the resource

time - the time to which the Memento corresponds

Returns:

the completion stage representing that the operation has completed

get

public java.util.concurrent.CompletionStage<org.trellisldp.api.Resource> get(org.apache.commons.rdf.api.IRI identifier,
                                                                             java.time.Instant time)

Specified by:

get in interface org.trellisldp.api.MementoService

mementos

public java.util.concurrent.CompletionStage<java.util.SortedSet<java.time.Instant>> mementos(org.apache.commons.rdf.api.IRI identifier)

Specified by:

mementos in interface org.trellisldp.api.MementoService

delete

public java.util.concurrent.CompletionStage<java.lang.Void> delete(org.apache.commons.rdf.api.IRI identifier,
                                                                   java.time.Instant time)

Delete a memento at the given time.

Parameters:

identifier - the resource identifier

time - the memento time

Returns:

the next stage of completion