~ubuntu-branches/debian/sid/redland-bindings/sid

<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>

</div>

<h3 class="section-bar">Attributes</h3>

<table>

<td class="context-item-name">canonical</td>

</tr>

<td class="context-item-name">global_rewrites</td>

</tr>

</table>

</div>

<h3 class="section-bar">Public Class methods</h3>

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<div class="method-heading"><a href="#M000166" class="method-signature">new(master_model)</a></div>

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Constructor - needs a master model to use

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<a class="source-toggle" href="#" onclick="toggleCode('M000166-source');return false;">[Source]</a>

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<pre>

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# File rdf/redland/model.rb, line 447

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def initialize(master_model)

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@hooks = {}

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@count = {}

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@inverse_functional_properties = []

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@identifiers = [] # list of inverse functional properties to smush

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@canonical = {} #rewrites to perform on local level

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@global_rewrites = {} #rewrites to apply globally

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@transactions = []

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@master = master_model

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@pred_identifiers = {}

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super()

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end

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</pre></div>

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</div>

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</div>

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<h3 class="section-bar">Public Instance methods</h3>

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<div class="method-heading"><a href="#M000169" class="method-signature">find_canonical(predlist)</a></div>

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Locate predicates for smushing

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<a class="source-toggle" href="#" onclick="toggleCode('M000169-source');return false;">[Source]</a>

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<pre>

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# File rdf/redland/model.rb, line 475

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def find_canonical(predlist)

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predlist.each do |pred|

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identifier = {}

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self.find(nil,pred,nil) do |subj,pred,obj|

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master_id = self.find_subject_in_master(pred,obj)

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if not master_id

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if not identifier.has_key?(obj.to_s)

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identifier[obj.to_s] = subj

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elsif identifier[obj.to_s] != subj #already an identifying URI

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new_value = identifier[obj.to_s]

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if not @canonical.has_key?(subj.to_s)

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@canonical[subj.to_s] = new_value

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end

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end

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else # master_id

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if identifier.has_key?(obj.to_s)

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if identifier[obj.to_s] != master_id

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@canonical[subj.to_s] = master_id

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identifier[obj.to_s] = master_id

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end

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else # master_id not in identifier

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identifier[obj.to_s] = master_id

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if @canonical.has_key?(subj.to_s)

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if @canonical[subj.to_s] != master_id

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@global_rewrites[master_id] = @canonical[subj.to_s]

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end

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else

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if subj != master_id

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@canonical[subj.to_s] = master_id

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end

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end

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end

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end

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end # self.find

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@pred_identifiers[pred] = identifier

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end #predlist.each

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end

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</pre></div>

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</div>

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</div>

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<div class="method-heading"><a href="#M000167" class="method-signature">find_subject_in_master(pred,obj)</a></div>

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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>

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<a class="source-toggle" href="#" onclick="toggleCode('M000167-source');return false;">[Source]</a>

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<pre>

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# File rdf/redland/model.rb, line 463

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def find_subject_in_master(pred,obj)

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return @master.subject(pred,obj)

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end

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</pre></div>

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</div>

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</div>

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<div class="method-heading"><a href="#M000170" class="method-signature">rewrite(context=nil)</a></div>

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actually do the <a href="MergedModel.html#M000168">smush</a>

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<a class="source-toggle" href="#" onclick="toggleCode('M000170-source');return false;">[Source]</a>

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<pre>

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# File rdf/redland/model.rb, line 514

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def rewrite(context=nil)

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self.triples() do |sub,pred,obj|

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sub = @canonical[sub.to_s] if @canonical.key?(sub.to_s)

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obj = @canonical[obj.to_s] if @canonical.key?(obj.to_s)

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@master.add(sub,pred,obj,context)

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end

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end

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</pre></div>

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</div>

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</div>

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<div class="method-heading"><a href="#M000168" class="method-signature">smush(predlist)</a></div>

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Effectively removes the listes Predicates from the <a href="Model.html">Model</a> by replacing all occurrences with a blank node (?? confirm)

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<a class="source-toggle" href="#" onclick="toggleCode('M000168-source');return false;">[Source]</a>

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<pre>

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# File rdf/redland/model.rb, line 469

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def smush(predlist)

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self.find_canonical(predlist)

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self.rewrite()

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end

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</pre></div>

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</div>

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</div>

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</div>

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</div>

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<hr />

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Go to <a href="/" target="_parent">Redland Home</a> -

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<a href="/bindings/" target="_parent">Language Bindings Home</a> -

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</div>

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(C) Copyright 2004-2011 <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>

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</div>

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</body>

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</html>

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