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<h1 class="class">Redland::MergedModel</h1>
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<div id="description" class="description">
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<p>A non-context-aware model used for the purpose of merging</p>
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<div id="5Buntitled-5D" class="documentation-section"><!-- Attributes -->
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<div id="attribute-method-details" class="method-section section">
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<h3 class="section-header">Attributes</h3>
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<div id="canonical-attribute-method" class="method-detail"><a name="canonical" id="canonical"></a>
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<div class="method-heading attribute-method-heading"><span class="method-name">canonical</span><span class="attribute-access-type">[R]</span></div>
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<div class="method-description"></div>
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<div id="global_rewrites-attribute-method" class="method-detail"><a name="global_rewrites" id="global_rewrites"></a>
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<div class="method-heading attribute-method-heading"><span class="method-name">global_rewrites</span><span class="attribute-access-type">[R]</span></div>
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<div class="method-description"></div>
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<!-- attribute-method-details -->
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<div id="public-class-method-details" class="method-section section">
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<h3 class="section-header">Public Class Methods</h3>
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<div id="new-method" class="method-detail"><a name="method-c-new" id="method-c-new"></a>
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<div class="method-heading"><span class="method-name">new</span><span class="method-args">(master_model)</span> <span class="method-click-advice">click to toggle source</span></div>
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<div class="method-description">
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<p>Constructor - needs a master model to use</p>
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<div class="method-source-code" id="new-source">
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<span class="ruby-comment"># File rdf/redland/model.rb, line 447</span>
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<span class="ruby-keyword">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">master_model</span>)
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<span class="ruby-ivar">@hooks</span> = {}
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<span class="ruby-ivar">@count</span> = {}
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<span class="ruby-ivar">@inverse_functional_properties</span> = []
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<span class="ruby-ivar">@identifiers</span> = [] <span class="ruby-comment"># list of inverse functional properties to smush</span>
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<span class="ruby-ivar">@canonical</span> = {} <span class="ruby-comment">#rewrites to perform on local level</span>
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<span class="ruby-ivar">@global_rewrites</span> = {} <span class="ruby-comment">#rewrites to apply globally</span>
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<span class="ruby-ivar">@transactions</span> = []
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<span class="ruby-ivar">@master</span> = <span class="ruby-identifier">master_model</span>
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<span class="ruby-ivar">@pred_identifiers</span> = {}
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<span class="ruby-keyword">super</span>()
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<span class="ruby-keyword">end</span>
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<!-- new-source --></div>
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<!-- new-method --></div>
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<!-- public-class-method-details -->
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<div id="public-instance-method-details" class="method-section section">
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<h3 class="section-header">Public Instance Methods</h3>
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<div id="find_canonical-method" class="method-detail"><a name="method-i-find_canonical" id="method-i-find_canonical"></a>
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<div class="method-heading"><span class="method-name">find_canonical</span><span class="method-args">(predlist)</span> <span class="method-click-advice">click to toggle source</span></div>
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<div class="method-description">
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<p>Locate predicates for smushing</p>
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<div class="method-source-code" id="find_canonical-source">
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<span class="ruby-comment"># File rdf/redland/model.rb, line 475</span>
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<span class="ruby-keyword">def</span> <span class="ruby-identifier">find_canonical</span>(<span class="ruby-identifier">predlist</span>)
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<span class="ruby-identifier">predlist</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">pred</span><span class="ruby-operator">|</span>
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<span class="ruby-identifier">identifier</span> = {}
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<span class="ruby-keyword">self</span>.<span class="ruby-identifier">find</span>(<span class="ruby-keyword">nil</span>,<span class="ruby-identifier">pred</span>,<span class="ruby-keyword">nil</span>) <span class="ruby-keyword">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>
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<span class="ruby-identifier">master_id</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">find_subject_in_master</span>(<span class="ruby-identifier">pred</span>,<span class="ruby-identifier">obj</span>)
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<span class="ruby-keyword">if</span> <span class="ruby-keyword">not</span> <span class="ruby-identifier">master_id</span>
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<span class="ruby-keyword">if</span> <span class="ruby-keyword">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>)
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<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>
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<span class="ruby-keyword">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">#already an identifying URI</span>
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<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>]
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<span class="ruby-keyword">if</span> <span class="ruby-keyword">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>)
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<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>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">else</span> <span class="ruby-comment"># master_id</span>
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<span class="ruby-keyword">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>)
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<span class="ruby-keyword">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>
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<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>
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<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>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">else</span> <span class="ruby-comment"># master_id not in identifier</span>
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<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>
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<span class="ruby-keyword">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>)
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<span class="ruby-keyword">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>
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<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>]
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">else</span>
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<span class="ruby-keyword">if</span> <span class="ruby-identifier">subj</span> <span class="ruby-operator">!=</span> <span class="ruby-identifier">master_id</span>
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<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>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">end</span> <span class="ruby-comment"># self.find</span>
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<span class="ruby-ivar">@pred_identifiers</span>[<span class="ruby-identifier">pred</span>] = <span class="ruby-identifier">identifier</span>
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<span class="ruby-keyword">end</span> <span class="ruby-comment">#predlist.each</span>
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<span class="ruby-keyword">end</span>
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<!-- find_canonical-source --></div>
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<!-- find_canonical-method -->
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<div id="find_subject_in_master-method" class="method-detail"><a name="method-i-find_subject_in_master" id="method-i-find_subject_in_master"></a>
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<div class="method-heading"><span class="method-name">find_subject_in_master</span><span class="method-args">(pred,obj)</span> <span class="method-click-advice">click to toggle source</span></div>
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<div class="method-description">
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<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>
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<div class="method-source-code" id="find_subject_in_master-source">
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<span class="ruby-comment"># File rdf/redland/model.rb, line 463</span>
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<span class="ruby-keyword">def</span> <span class="ruby-identifier">find_subject_in_master</span>(<span class="ruby-identifier">pred</span>,<span class="ruby-identifier">obj</span>)
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<span class="ruby-keyword">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>)
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<span class="ruby-keyword">end</span>
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<!-- find_subject_in_master-source --></div>
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<!-- find_subject_in_master-method -->
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<div id="rewrite-method" class="method-detail"><a name="method-i-rewrite" id="method-i-rewrite"></a>
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<div class="method-heading"><span class="method-name">rewrite</span><span class="method-args">(context=nil)</span> <span class="method-click-advice">click to toggle source</span></div>
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<div class="method-description">
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<p>actually do the smush</p>
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<div class="method-source-code" id="rewrite-source">
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<span class="ruby-comment"># File rdf/redland/model.rb, line 514</span>
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<span class="ruby-keyword">def</span> <span class="ruby-identifier">rewrite</span>(<span class="ruby-identifier">context</span>=<span class="ruby-keyword">nil</span>)
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<span class="ruby-keyword">self</span>.<span class="ruby-identifier">triples</span>() <span class="ruby-keyword">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>
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<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">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>)
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<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">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>)
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<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>)
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<span class="ruby-keyword">end</span>
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<span class="ruby-keyword">end</span>
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<!-- rewrite-source --></div>
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<!-- rewrite-method -->
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<div id="smush-method" class="method-detail"><a name="method-i-smush" id="method-i-smush"></a>
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<div class="method-heading"><span class="method-name">smush</span><span class="method-args">(predlist)</span> <span class="method-click-advice">click to toggle source</span></div>
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<div class="method-description">
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<p>Effectively removes the listes Predicates from the <a href="Model.html">Model</a> by replacing all occurrences with a blank node (?? confirm)</p>
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<div class="method-source-code" id="smush-source">
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<span class="ruby-comment"># File rdf/redland/model.rb, line 469</span>
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<span class="ruby-keyword">def</span> <span class="ruby-identifier">smush</span>(<span class="ruby-identifier">predlist</span>)
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<span class="ruby-keyword">self</span>.<span class="ruby-identifier">find_canonical</span>(<span class="ruby-identifier">predlist</span>)
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<span class="ruby-keyword">self</span>.<span class="ruby-identifier">rewrite</span>()
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<span class="ruby-keyword">end</span>
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<!-- smush-source --></div>
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<!-- smush-method --></div>
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<!-- public-instance-method-details --></div>
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<!-- 5Buntitled-5D --></div>
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<!-- documentation -->
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<div class="outerHeader">
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Go to <a href="/" target="_parent">Redland Home</a> -
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<p>(C) Copyright 2004-2013 <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>
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docs/rdoc/Redland/MergedModel.html
