1RDF::Trine::Store::HexaUssteorreC(o3n)tributed Perl DocuRmDeFn:t:aTtriionne::Store::Hexastore(3)
2
3
4
6 RDF::Trine::Store::Hexastore - RDF store implemented with the hexastore
7 index
8
10 This document describes RDF::Trine::Store::Hexastore version 1.019
11
13 use RDF::Trine::Store::Hexastore;
14
16 RDF::Trine::Store::Hexastore provides an in-memory triple-store based
17 on six-way indexing as popularized by Hexastore.
18
20 Beyond the methods documented below, this class inherits methods from
21 the RDF::Trine::Store class.
22
23 "new ()"
24 Returns a new storage object.
25
26 "new_with_config ( $hashref )"
27 Returns a new storage object configured with a hashref with certain
28 keys as arguments.
29
30 The "storetype" key must be "Hexastore" for this backend.
31
32 This module also supports initializing the store from a file or
33 URL, in which case, a "sources" key may be used. This holds an
34 arrayref of hashrefs. To load a file, you may give the file name
35 with a "file" key in the hashref, and to load a URL, use "url". See
36 example below. Furthermore, the following keys may be used:
37
38 "syntax"
39 The syntax of the parsed file or URL.
40
41 "base_uri"
42 The base URI to be used for a parsed file.
43
44 The following example initializes a Hexastore store based on a
45 local file and a remote URL:
46
47 my $store = RDF::Trine::Store->new_with_config( {
48 storetype => 'Hexastore',
49 sources => [
50 {
51 file => 'test-23.ttl',
52 syntax => 'turtle',
53 },
54 {
55 url => 'http://www.kjetil.kjernsmo.net/foaf',
56 syntax => 'rdfxml',
57 }
58 ]});
59
60 "store ( $filename )"
61 Write the triples data to a file specified by $filename. This data
62 may be read back in with the "load" method.
63
64 "load ( $filename )"
65 Returns a new Hexastore object with triples data from the specified
66 file.
67
68 "temporary_store"
69 Returns a temporary (empty) triple store.
70
71 "get_statements ($subject, $predicate, $object [, $context] )"
72 Returns a stream object of all statements matching the specified
73 subject, predicate and objects. Any of the arguments may be undef
74 to match any value.
75
76 "get_pattern ( $bgp [, $context] )"
77 Returns a stream object of all bindings matching the specified
78 graph pattern.
79
80 "supports ( [ $feature ] )"
81 If $feature is specified, returns true if the feature is supported
82 by the store, false otherwise. If $feature is not specified,
83 returns a list of supported features.
84
85 "get_contexts"
86 "add_statement ( $statement [, $context] )"
87 Adds the specified $statement to the underlying model.
88
89 "remove_statement ( $statement [, $context])"
90 Removes the specified $statement from the underlying model.
91
92 "remove_statements ( $subject, $predicate, $object [, $context])"
93 Removes the specified $statement from the underlying model.
94
95 "etag"
96 Returns an Etag suitable for use in an HTTP Header.
97
98 "nuke"
99 Permanently removes all the data in the store.
100
101 "count_statements ($subject, $predicate, $object)"
102 Returns a count of all the statements matching the specified
103 subject, predicate and objects. Any of the arguments may be undef
104 to match any value.
105
107 Please report any bugs or feature requests to through the GitHub web
108 interface at <https://github.com/kasei/perlrdf/issues>.
109
111 Gregory Todd Williams "<gwilliams@cpan.org>"
112
114 Copyright (c) 2006-2012 Gregory Todd Williams. This program is free
115 software; you can redistribute it and/or modify it under the same terms
116 as Perl itself.
117
118
119
120perl v5.34.0 2022-01-21 RDF::Trine::Store::Hexastore(3)