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Overview

Represents a changeset. Can be used to create a changeset based on the difference between two bounded descriptions. The descriptions must share the same subject URI.

See:

http://n2.talis.com/wiki/Changesets

Fields inherited from Moriarty.SimpleGraph

• _ns

Constructors

• ChangeSet

Methods

• addT - adds a triple to the internal simpleIndex holding all the changesets and statements
• has_changes
• toRDFXML
• to_rdfxml - Serialise the graph to RDF/XML

Methods inherited from Moriarty.SimpleGraph

• add_graph
• add_json
• add_labelling_property
• add_literal_triple
• add_rdf
• add_rdfxml
• add_resource_triple
• add_turtle
• diff
• from_json
• from_rdfxml
• from_turtle
• get_description
• get_first_literal
• get_first_resource
• get_index
• get_label
• get_literal_triple_values
• get_prefix
• get_resource_triple_values
• get_subject_properties
• get_subject_property_values
• get_subject_subgraph
• get_subjects
• get_subjects_of_type
• get_subjects_where
• get_subjects_where_literal
• get_subjects_where_resource
• get_triples
• has_literal_triple
• has_resource_triple
• has_triples_about
• is_empty
• make_resource_array
• merge
• qname_to_uri
• reify
• remove_all_triples
• remove_literal_triple
• remove_property_values
• remove_resource_triple
• remove_triples_about
• replace_resource
• set_namespace_mapping
• subject_has_property
• to_html
• to_json
• to_ntriples
• to_rdfxml
• to_turtle
• update_prefix_mappings
• uri_to_qname

Fields

• $a - Serialise the graph to RDF/XML
• $after - Serialise the graph to RDF/XML
• $before - Serialise the graph to RDF/XML
• $subjectIndex - Serialise the graph to RDF/XML

Constructor Detail

ChangeSet

public ChangeSet(mixed a)

Method Detail

addT

public void addT(mixed s, mixed p, mixed o, mixed o_type)

adds a triple to the internal simpleIndex holding all the changesets and statements

Return:

void

Author:

Keith

has_changes

public void has_changes()

toRDFXML

public void toRDFXML()

to_rdfxml

public void to_rdfxml()

Serialise the graph to RDF/XML

Return:

string the RDF/XML version of the graph

Field Detail

a

public mixed $a

Create a new changeset. This will calculate the required additions and removals based on before and after versions of a bounded description. The args parameter is an associative array that may have the following fields:

subjectOfChange => a string representing the URI of the changeset's subject of change

createdDate => a string representing the date of the changeset

creatorName => a string representing the creator of the changeset

changeReason => a string representing the reason for the changeset

after => an array of triples representing the required state of the resource description after the changeset would be applied. All subjects must be the same.

before => an array of triples representing the state of the resource description before the changeset is applied. All subjects must be the same.

after_rdfxml => a string of RDF/XML representing the required state of the resource description after the changeset would be applied. This is parsed and used to overwrite the 'after' parameter, if any. All subjects must be the same.

before_rdfxml => a string of RDF/XML representing the state of the resource description before the changeset is applied. This is parsed and used to overwrite the 'begin' parameter, if any. All subjects must be the same.

If none of 'after', 'before', 'after_rdfxml' or 'before_rdfxml' is supplied then an empty changeset is constructed.

The 'after' and 'before' arrays are simple arrays where each element is a triple array with the following structure:

s => the subject URI

p => the predicate URI

o => the value of the object

o_type => one of 'uri', 'bnode' or 'literal'

o_lang => the language of the literal if any

o_datatype => the data type URI of the literal if any

Param:

array args an associative array of parameters to use when constructing the changeset

after

public mixed $after = array()

before

public mixed $before = array()

subjectIndex

public mixed $subjectIndex = array()

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