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<td><strong>Class</strong></td>
<td class="class-name-in-header">Redland::MergedModel</td>
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<td><strong>In:</strong></td>
<td><a href="../../files/rdf/redland/model_rb.html">rdf/redland/model.rb</a><br /></td>
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<td><strong>Parent:</strong></td>
<td><a href="Model.html">Model</a></td>
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<p>A non-context-aware model used for the purpose of merging</p>
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<h3 class="section-bar">Methods</h3>
<div class="name-list"><a href="#M000169">find_canonical</a> <a href="#M000167">find_subject_in_master</a> <a href="#M000166">new</a> <a href="#M000170">rewrite</a> <a href="#M000168">smush</a> </div>
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<h3 class="section-bar">Attributes</h3>
<div class="name-list">
<table>
<tr class="top-aligned-row context-row">
<td class="context-item-name">canonical</td>
<td class="context-item-value"> [R] </td>
<td class="context-item-desc"></td>
</tr>
<tr class="top-aligned-row context-row">
<td class="context-item-name">global_rewrites</td>
<td class="context-item-value"> [R] </td>
<td class="context-item-desc"></td>
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<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000166" class="method-detail"><a name="M000166" id="M000166"></a>
<div class="method-heading"><a href="#M000166" class="method-signature"><span class="method-name">new</span><span class="method-args">(master_model)</span></a></div>
<div class="method-description">
<p>Constructor - needs a master model to use</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000166-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000166-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/model.rb, line 447</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">master_model</span>)
<span class="ruby-ivar">@hooks</span> = {}
<span class="ruby-ivar">@count</span> = {}
<span class="ruby-ivar">@inverse_functional_properties</span> = []
<span class="ruby-ivar">@identifiers</span> = [] <span class="ruby-comment cmt"># list of inverse functional properties to smush</span>
<span class="ruby-ivar">@canonical</span> = {} <span class="ruby-comment cmt">#rewrites to perform on local level</span>
<span class="ruby-ivar">@global_rewrites</span> = {} <span class="ruby-comment cmt">#rewrites to apply globally</span>
<span class="ruby-ivar">@transactions</span> = []
<span class="ruby-ivar">@master</span> = <span class="ruby-identifier">master_model</span>
<span class="ruby-ivar">@pred_identifiers</span> = {}
<span class="ruby-keyword kw">super</span>()
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000169" class="method-detail"><a name="M000169" id="M000169"></a>
<div class="method-heading"><a href="#M000169" class="method-signature"><span class="method-name">find_canonical</span><span class="method-args">(predlist)</span></a></div>
<div class="method-description">
<p>Locate predicates for smushing</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000169-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000169-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/model.rb, line 475</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">find_canonical</span>(<span class="ruby-identifier">predlist</span>)
<span class="ruby-identifier">predlist</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">pred</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">identifier</span> = {}
<span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">find</span>(<span class="ruby-keyword kw">nil</span>,<span class="ruby-identifier">pred</span>,<span class="ruby-keyword kw">nil</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">subj</span>,<span class="ruby-identifier">pred</span>,<span class="ruby-identifier">obj</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">master_id</span> = <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">find_subject_in_master</span>(<span class="ruby-identifier">pred</span>,<span class="ruby-identifier">obj</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-keyword kw">not</span> <span class="ruby-identifier">master_id</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-keyword kw">not</span> <span class="ruby-identifier">identifier</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-identifier">obj</span>.<span class="ruby-identifier">to_s</span>)
<span class="ruby-identifier">identifier</span>[<span class="ruby-identifier">obj</span>.<span class="ruby-identifier">to_s</span>] = <span class="ruby-identifier">subj</span>
<span class="ruby-keyword kw">elsif</span> <span class="ruby-identifier">identifier</span>[<span class="ruby-identifier">obj</span>.<span class="ruby-identifier">to_s</span>] <span class="ruby-operator">!=</span> <span class="ruby-identifier">subj</span> <span class="ruby-comment cmt">#already an identifying URI</span>
<span class="ruby-identifier">new_value</span> = <span class="ruby-identifier">identifier</span>[<span class="ruby-identifier">obj</span>.<span class="ruby-identifier">to_s</span>]
<span class="ruby-keyword kw">if</span> <span class="ruby-keyword kw">not</span> <span class="ruby-ivar">@canonical</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-identifier">subj</span>.<span class="ruby-identifier">to_s</span>)
<span class="ruby-ivar">@canonical</span>[<span class="ruby-identifier">subj</span>.<span class="ruby-identifier">to_s</span>] = <span class="ruby-identifier">new_value</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">else</span> <span class="ruby-comment cmt"># master_id</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">identifier</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-identifier">obj</span>.<span class="ruby-identifier">to_s</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">identifier</span>[<span class="ruby-identifier">obj</span>.<span class="ruby-identifier">to_s</span>] <span class="ruby-operator">!=</span> <span class="ruby-identifier">master_id</span>
<span class="ruby-ivar">@canonical</span>[<span class="ruby-identifier">subj</span>.<span class="ruby-identifier">to_s</span>] = <span class="ruby-identifier">master_id</span>
<span class="ruby-identifier">identifier</span>[<span class="ruby-identifier">obj</span>.<span class="ruby-identifier">to_s</span>] = <span class="ruby-identifier">master_id</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">else</span> <span class="ruby-comment cmt"># master_id not in identifier</span>
<span class="ruby-identifier">identifier</span>[<span class="ruby-identifier">obj</span>.<span class="ruby-identifier">to_s</span>] = <span class="ruby-identifier">master_id</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@canonical</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-identifier">subj</span>.<span class="ruby-identifier">to_s</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@canonical</span>[<span class="ruby-identifier">subj</span>.<span class="ruby-identifier">to_s</span>] <span class="ruby-operator">!=</span> <span class="ruby-identifier">master_id</span>
<span class="ruby-ivar">@global_rewrites</span>[<span class="ruby-identifier">master_id</span>] = <span class="ruby-ivar">@canonical</span>[<span class="ruby-identifier">subj</span>.<span class="ruby-identifier">to_s</span>]
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">subj</span> <span class="ruby-operator">!=</span> <span class="ruby-identifier">master_id</span>
<span class="ruby-ivar">@canonical</span>[<span class="ruby-identifier">subj</span>.<span class="ruby-identifier">to_s</span>] = <span class="ruby-identifier">master_id</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span> <span class="ruby-comment cmt"># self.find</span>
<span class="ruby-ivar">@pred_identifiers</span>[<span class="ruby-identifier">pred</span>] = <span class="ruby-identifier">identifier</span>
<span class="ruby-keyword kw">end</span> <span class="ruby-comment cmt">#predlist.each</span>
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000167" class="method-detail"><a name="M000167" id="M000167"></a>
<div class="method-heading"><a href="#M000167" class="method-signature"><span class="method-name">find_subject_in_master</span><span class="method-args">(pred,obj)</span></a></div>
<div class="method-description">
<p>Return one <a href="Node.html">Node</a> in the <a href="Model.html">Model</a> matching (?,predicate,target) The source and predicate can be a <a href="Node.html">Node</a> or <a href="Uri.html">Uri</a></p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000167-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000167-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/model.rb, line 463</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">find_subject_in_master</span>(<span class="ruby-identifier">pred</span>,<span class="ruby-identifier">obj</span>)
<span class="ruby-keyword kw">return</span> <span class="ruby-ivar">@master</span>.<span class="ruby-identifier">subject</span>(<span class="ruby-identifier">pred</span>,<span class="ruby-identifier">obj</span>)
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000170" class="method-detail"><a name="M000170" id="M000170"></a>
<div class="method-heading"><a href="#M000170" class="method-signature"><span class="method-name">rewrite</span><span class="method-args">(context=nil)</span></a></div>
<div class="method-description">
<p>actually do the <a href="MergedModel.html#M000168">smush</a></p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000170-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000170-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/model.rb, line 514</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">rewrite</span>(<span class="ruby-identifier">context</span>=<span class="ruby-keyword kw">nil</span>)
<span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">triples</span>() <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">sub</span>,<span class="ruby-identifier">pred</span>,<span class="ruby-identifier">obj</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">sub</span> = <span class="ruby-ivar">@canonical</span>[<span class="ruby-identifier">sub</span>.<span class="ruby-identifier">to_s</span>] <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@canonical</span>.<span class="ruby-identifier">key?</span>(<span class="ruby-identifier">sub</span>.<span class="ruby-identifier">to_s</span>)
<span class="ruby-identifier">obj</span> = <span class="ruby-ivar">@canonical</span>[<span class="ruby-identifier">obj</span>.<span class="ruby-identifier">to_s</span>] <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@canonical</span>.<span class="ruby-identifier">key?</span>(<span class="ruby-identifier">obj</span>.<span class="ruby-identifier">to_s</span>)
<span class="ruby-ivar">@master</span>.<span class="ruby-identifier">add</span>(<span class="ruby-identifier">sub</span>,<span class="ruby-identifier">pred</span>,<span class="ruby-identifier">obj</span>,<span class="ruby-identifier">context</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
</pre></div>
</div>
</div>
<div id="method-M000168" class="method-detail"><a name="M000168" id="M000168"></a>
<div class="method-heading"><a href="#M000168" class="method-signature"><span class="method-name">smush</span><span class="method-args">(predlist)</span></a></div>
<div class="method-description">
<p>Effectively removes the listes Predicates from the <a href="Model.html">Model</a> by replacing all occurrences with a blank node (?? confirm)</p>
<p><a class="source-toggle" href="#" onclick="toggleCode('M000168-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000168-source">
<pre>
<span class="ruby-comment cmt"># File rdf/redland/model.rb, line 469</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">smush</span>(<span class="ruby-identifier">predlist</span>)
<span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">find_canonical</span>(<span class="ruby-identifier">predlist</span>)
<span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">rewrite</span>()
<span class="ruby-keyword kw">end</span>
</pre></div>
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