1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
|
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Redland RDF Application Framework - Ruby RDoc - Class: Redland::QueryResults</title>
<link rel="stylesheet" href="../.././rdoc-style.css" type="text/css" media="screen" />
<script type="text/javascript">
// <![CDATA[
function popupCode( url ) {
window.open(url, "Code", "resizable=yes,scrollbars=yes,toolbar=no,status=no,height=150,width=400")
}
function toggleCode( id ) {
if ( document.getElementById )
elem = document.getElementById( id );
else if ( document.all )
elem = eval( "document.all." + id );
else
return false;
elemStyle = elem.style;
if ( elemStyle.display != "block" ) {
elemStyle.display = "block"
} else {
elemStyle.display = "none"
}
return true;
}
// Make codeblocks hidden by default
document.writeln( "<style type=\"text/css\">div.method-source-code { display: none }<\/style>" )
// ]]>
</script>
</head>
<body>
<div class="outerBlock">
<div class="outerHeader">
Go to <a href="/" target="_parent">Redland Home</a> -
<a href="/bindings/" target="_parent">Language Bindings Home</a> -
<a href="/docs/ruby.html" target="_parent">Ruby API Home</a>
</div>
<div id="classHeader">
<table class="header-table">
<tr class="top-aligned-row">
<td><strong>Class</strong></td>
<td class="class-name-in-header">Redland::QueryResults</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td><a href="../../files/rdf/redland/queryresults_rb.html">rdf/redland/queryresults.rb</a><br /></td>
</tr>
<tr class="top-aligned-row">
<td><strong>Parent:</strong></td>
<td>Object</td>
</tr>
</table>
</div>
<!-- banner header -->
<div id="bodyContent">
<div id="contextContent">
<div id="description">
<p>This class provides query language results support</p>
</div>
</div>
<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list"><a href="#M000118">as_stream</a> <a href="#M000110">binding_name</a> <a href="#M000111">binding_name</a> <a href="#M000112">binding_names</a> <a href="#M000113">binding_value</a> <a href="#M000115">binding_value_by_name</a> <a href="#M000114">binding_values</a> <a href="#M000116">bindings</a> <a href="#M000109">bindings_count</a> <a href="#M000107">count</a> <a href="#M000105">create_finalizer</a> <a href="#M000108">finished?</a> <a href="#M000123">get_boolean?</a> <a href="#M000120">is_bindings?</a> <a href="#M000121">is_boolean?</a> <a href="#M000122">is_graph?</a> <a href="#M000104">new</a> <a href="#M000117">next</a> <a href="#M000106">size</a> <a href="#M000119">to_string</a> </div>
</div>
</div>
<!-- if includes -->
<div id="section">
<div id="attribute-list">
<h3 class="section-bar">Attributes</h3>
<div class="name-list">
<table>
<tr class="top-aligned-row context-row">
<td class="context-item-name">results</td>
<td class="context-item-value"> [R] </td>
<td class="context-item-desc"></td>
</tr>
</table>
</div>
</div>
<!-- if method_list -->
<div id="methods">
<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000105" class="method-detail"><a name="M000105" id="M000105"></a>
<div class="method-heading"><a href="#M000105" class="method-signature"><span class="method-name">create_finalizer</span><span class="method-args">(results)</span></a></div>
<div class="method-description">
<p>You shouldn‘t use this. Used internally for cleanup.</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000105-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000105-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 17</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-constant">QueryResults</span>.<span class="ruby-identifier">create_finalizer</span>(<span class="ruby-identifier">results</span>)
<span class="ruby-identifier">proc</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">id</span><span class="ruby-operator">|</span> <span class="ruby-node">"Finalizer on #{id}"</span>
<span class="ruby-comment cmt">#$log_final.info "closing results"</span>
<span class="ruby-constant">Redland</span><span class="ruby-operator">::</span><span class="ruby-identifier">librdf_free_query_results</span>(<span class="ruby-identifier">results</span>)
}
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000104" class="method-detail"><a name="M000104" id="M000104"></a>
<div class="method-heading"><a href="#M000104" class="method-signature"><span class="method-name">new</span><span class="method-args">(object)</span></a></div>
<div class="method-description">
<p>this is not a public constructor</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000104-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000104-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 11</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">object</span>)
<span class="ruby-ivar">@results</span> = <span class="ruby-identifier">object</span>
<span class="ruby-constant">ObjectSpace</span>.<span class="ruby-identifier">define_finalizer</span>(<span class="ruby-keyword kw">self</span>,<span class="ruby-constant">QueryResults</span>.<span class="ruby-identifier">create_finalizer</span>(<span class="ruby-ivar">@results</span>))
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000118" class="method-detail"><a name="M000118" id="M000118"></a>
<div class="method-heading"><a href="#M000118" class="method-signature"><span class="method-name">as_stream</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Get a <a href="QueryResults.html#M000104">new</a> <a href="Stream.html">Stream</a> object representing the query results as an RDF Graph.</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000118-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000118-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 97</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">as_stream</span>
<span class="ruby-identifier">my_stream</span>=<span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_as_stream</span>(<span class="ruby-ivar">@results</span>)
<span class="ruby-keyword kw">return</span> <span class="ruby-constant">Stream</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">my_stream</span>, <span class="ruby-keyword kw">self</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000110" class="method-detail"><a name="M000110" id="M000110"></a>
<div class="method-heading"><a href="#M000110" class="method-signature"><span class="method-name">binding_name</span><span class="method-args">(index)</span></a></div>
<div class="method-description">
<p>Get binding name for the current result</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000110-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000110-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 45</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">binding_name</span>(<span class="ruby-identifier">index</span>)
<span class="ruby-keyword kw">return</span> <span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_get_binding_name</span>(<span class="ruby-ivar">@results</span>,<span class="ruby-identifier">index</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000111" class="method-detail"><a name="M000111" id="M000111"></a>
<div class="method-heading"><a href="#M000111" class="method-signature"><span class="method-name">binding_name</span><span class="method-args">(index)</span></a></div>
<div class="method-description">
<p>Get binding name for the current result</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000111-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000111-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 50</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">binding_name</span>(<span class="ruby-identifier">index</span>)
<span class="ruby-keyword kw">return</span> <span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_get_binding_name</span>(<span class="ruby-ivar">@results</span>,<span class="ruby-identifier">index</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000112" class="method-detail"><a name="M000112" id="M000112"></a>
<div class="method-heading"><a href="#M000112" class="method-signature"><span class="method-name">binding_names</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Get the names all of the variable <a href="QueryResults.html#M000116">bindings</a> as an array</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000112-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000112-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 55</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">binding_names</span>
<span class="ruby-identifier">count</span>=<span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_get_bindings_count</span>(<span class="ruby-ivar">@results</span>)
<span class="ruby-identifier">names</span>=[]
<span class="ruby-keyword kw">for</span> <span class="ruby-identifier">i</span> <span class="ruby-keyword kw">in</span> <span class="ruby-value">0</span><span class="ruby-operator">..</span><span class="ruby-identifier">count</span><span class="ruby-operator">-</span><span class="ruby-value">1</span>
<span class="ruby-identifier">names</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">binding_name</span>(<span class="ruby-identifier">i</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">names</span>
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000113" class="method-detail"><a name="M000113" id="M000113"></a>
<div class="method-heading"><a href="#M000113" class="method-signature"><span class="method-name">binding_value</span><span class="method-args">(index)</span></a></div>
<div class="method-description">
<p>Get one binding value for the current result</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000113-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000113-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 65</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">binding_value</span>(<span class="ruby-identifier">index</span>)
<span class="ruby-identifier">node</span> = <span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_get_binding_value</span>(<span class="ruby-ivar">@results</span>,<span class="ruby-identifier">index</span>)
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">node</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-value">? </span><span class="ruby-keyword kw">nil</span> <span class="ruby-operator">:</span> <span class="ruby-constant">Node</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">node</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000115" class="method-detail"><a name="M000115" id="M000115"></a>
<div class="method-heading"><a href="#M000115" class="method-signature"><span class="method-name">binding_value_by_name</span><span class="method-args">(name)</span></a></div>
<div class="method-description">
<p>Get the value of the variable binding name in the current query result.</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000115-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000115-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 81</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">binding_value_by_name</span>(<span class="ruby-identifier">name</span>)
<span class="ruby-identifier">node</span>=<span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_get_binding_value_by_name</span>(<span class="ruby-ivar">@results</span>,<span class="ruby-identifier">name</span>)
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">node</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-value">? </span><span class="ruby-keyword kw">nil</span> <span class="ruby-operator">:</span> <span class="ruby-constant">Node</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">node</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000114" class="method-detail"><a name="M000114" id="M000114"></a>
<div class="method-heading"><a href="#M000114" class="method-signature"><span class="method-name">binding_values</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Get an array of all the values of all of the variable <a href="QueryResults.html#M000116">bindings</a> in the current query result.</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000114-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000114-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 71</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">binding_values</span>
<span class="ruby-identifier">count</span>=<span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_get_bindings_count</span>(<span class="ruby-ivar">@results</span>)
<span class="ruby-identifier">values</span>=[]
<span class="ruby-keyword kw">for</span> <span class="ruby-identifier">i</span> <span class="ruby-keyword kw">in</span> <span class="ruby-value">0</span><span class="ruby-operator">..</span><span class="ruby-identifier">count</span><span class="ruby-operator">-</span><span class="ruby-value">1</span>
<span class="ruby-identifier">values</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">binding_value</span>(<span class="ruby-identifier">i</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">values</span>
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000116" class="method-detail"><a name="M000116" id="M000116"></a>
<div class="method-heading"><a href="#M000116" class="method-signature"><span class="method-name">bindings</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Get an array of binding values</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000116-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000116-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 87</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">bindings</span>
(<span class="ruby-value">0</span><span class="ruby-operator">...</span><span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">size</span>).<span class="ruby-identifier">each</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">i</span><span class="ruby-operator">|</span> <span class="ruby-identifier">binding_value</span>( <span class="ruby-identifier">i</span> ) }
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000109" class="method-detail"><a name="M000109" id="M000109"></a>
<div class="method-heading"><a href="#M000109" class="method-signature"><span class="method-name">bindings_count</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Get number of binding variables</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000109-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000109-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 40</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">bindings_count</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_get_bindings_count</span>(<span class="ruby-ivar">@results</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000107" class="method-detail"><a name="M000107" id="M000107"></a>
<div class="method-heading"><a href="#M000107" class="method-signature"><span class="method-name">count</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Get the number of results so far</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000107-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000107-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 30</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">count</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_get_count</span>(<span class="ruby-ivar">@results</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000108" class="method-detail"><a name="M000108" id="M000108"></a>
<div class="method-heading"><a href="#M000108" class="method-signature"><span class="method-name">finished?</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Test if the results are finished</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000108-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000108-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 35</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">finished?</span>
<span class="ruby-keyword kw">return</span> (<span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_finished</span>(<span class="ruby-ivar">@results</span>) <span class="ruby-operator">!=</span> <span class="ruby-value">0</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000123" class="method-detail"><a name="M000123" id="M000123"></a>
<div class="method-heading"><a href="#M000123" class="method-signature"><span class="method-name">get_boolean?</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Get the boolean query result</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000123-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000123-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 144</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">get_boolean?</span>()
<span class="ruby-keyword kw">return</span> (<span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_get_boolean</span>(<span class="ruby-ivar">@results</span>) <span class="ruby-operator">!=</span> <span class="ruby-value">0</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000120" class="method-detail"><a name="M000120" id="M000120"></a>
<div class="method-heading"><a href="#M000120" class="method-signature"><span class="method-name">is_bindings?</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Test if is variable <a href="QueryResults.html#M000116">bindings</a> result</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000120-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000120-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 129</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">is_bindings?</span>()
<span class="ruby-keyword kw">return</span> (<span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_is_bindings</span>(<span class="ruby-ivar">@results</span>) <span class="ruby-operator">!=</span> <span class="ruby-value">0</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000121" class="method-detail"><a name="M000121" id="M000121"></a>
<div class="method-heading"><a href="#M000121" class="method-signature"><span class="method-name">is_boolean?</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Test if is a boolean result</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000121-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000121-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 134</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">is_boolean?</span>()
<span class="ruby-keyword kw">return</span> (<span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_is_boolean</span>(<span class="ruby-ivar">@results</span>) <span class="ruby-operator">!=</span> <span class="ruby-value">0</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000122" class="method-detail"><a name="M000122" id="M000122"></a>
<div class="method-heading"><a href="#M000122" class="method-signature"><span class="method-name">is_graph?</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Test if is an RDF graph result</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000122-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000122-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 139</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">is_graph?</span>()
<span class="ruby-keyword kw">return</span> (<span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_is_graph</span>(<span class="ruby-ivar">@results</span>) <span class="ruby-operator">!=</span> <span class="ruby-value">0</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000117" class="method-detail"><a name="M000117" id="M000117"></a>
<div class="method-heading"><a href="#M000117" class="method-signature"><span class="method-name">next</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Move to the <a href="QueryResults.html#M000117">next</a> query result</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000117-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000117-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 92</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">next</span>
<span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_next</span>(<span class="ruby-ivar">@results</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000106" class="method-detail"><a name="M000106" id="M000106"></a>
<div class="method-heading"><a href="#M000106" class="method-signature"><span class="method-name">size</span><span class="method-args">()</span></a></div>
<div class="method-description">
<p>Get the number of results so far</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000106-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000106-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 25</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">size</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_get_count</span>(<span class="ruby-ivar">@results</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000119" class="method-detail"><a name="M000119" id="M000119"></a>
<div class="method-heading"><a href="#M000119" class="method-signature"><span class="method-name">to_string</span><span class="method-args">(format_uri = nil, base_uri = nil)</span></a></div>
<div class="method-description">
<p>Serialize to a string syntax in format_uri using the optional base_uri. The default format when none is given is determined by librdf_query_results_to_string</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000119-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000119-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/queryresults.rb, line 105</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">to_string</span>(<span class="ruby-identifier">format_uri</span> = <span class="ruby-keyword kw">nil</span>, <span class="ruby-identifier">base_uri</span> = <span class="ruby-keyword kw">nil</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">is_graph?</span>()
<span class="ruby-identifier">tmpmodel</span>=<span class="ruby-constant">Model</span>.<span class="ruby-identifier">new</span>()
<span class="ruby-identifier">tmpmodel</span>.<span class="ruby-identifier">add_statements</span>(<span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">as_stream</span>())
<span class="ruby-identifier">serializer</span>=<span class="ruby-constant">Serializer</span>.<span class="ruby-identifier">new</span>()
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">serializer</span>.<span class="ruby-identifier">model_to_string</span>(<span class="ruby-identifier">base_uri</span>, <span class="ruby-identifier">tmpmodel</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-keyword kw">not</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">is_boolean?</span>() <span class="ruby-keyword kw">and</span> <span class="ruby-keyword kw">not</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">is_bindings?</span>()
<span class="ruby-identifier">raise</span> <span class="ruby-constant">RedlandError</span>.<span class="ruby-identifier">new</span>(<span class="ruby-value str">"Unknown query result format cannot be written as a string"</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">format_uri</span>
<span class="ruby-identifier">format_uri</span> = <span class="ruby-identifier">format_uri</span>.<span class="ruby-identifier">uri</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">base_uri</span>
<span class="ruby-identifier">base_uri</span> = <span class="ruby-identifier">base_uri</span>.<span class="ruby-identifier">uri</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-constant">Redland</span>.<span class="ruby-identifier">librdf_query_results_to_string</span>(<span class="ruby-ivar">@results</span>, <span class="ruby-identifier">format_uri</span>, <span class="ruby-identifier">base_uri</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
</div>
</div>
<hr />
<div class="outerHeader">
Go to <a href="/" target="_parent">Redland Home</a> -
<a href="/bindings/" target="_parent">Language Bindings Home</a> -
<a href="/docs/ruby.html" target="_parent">Ruby API Home</a>
</div>
<p>(C) Copyright 2004-2008 <a href="http://www.dajobe.org/" target="_parent">Dave Beckett</a>, (C) Copyright 2004-2005 <a href="http://www.bristol.ac.uk/" target="_parent">University of Bristol</a></p>
</div> <!-- end outerBlock -->
</body>
</html>
|