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<pre><span class="ruby-comment cmt"># File lib/storage/yamlstore.rb, line 27</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">dbfile</span>)
<span class="ruby-keyword kw">super</span>()
<span class="ruby-ivar">@dbfile</span> = <span class="ruby-node">"#{dbfile}.yaml"</span>
<span class="ruby-comment cmt"># check if database exists and build it if not</span>
<span class="ruby-identifier">build_database</span>
<span class="ruby-identifier">log</span>.<span class="ruby-identifier">info</span> <span class="ruby-value str">"Loading world..."</span>
<span class="ruby-ivar">@db</span> = {}
<span class="ruby-comment cmt"># load the yaml database and sets @dbtop to highest object id</span>
<span class="ruby-constant">YAML</span><span class="ruby-operator">::</span><span class="ruby-identifier">load_file</span>(<span class="ruby-ivar">@dbfile</span>).<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">o</span><span class="ruby-operator">|</span>
<span class="ruby-ivar">@dbtop</span> = <span class="ruby-identifier">o</span>.<span class="ruby-identifier">id</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">o</span>.<span class="ruby-identifier">id</span> <span class="ruby-operator">></span> <span class="ruby-ivar">@dbtop</span>
<span class="ruby-ivar">@db</span>[<span class="ruby-identifier">o</span>.<span class="ruby-identifier">id</span>]=<span class="ruby-identifier">o</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">log</span>.<span class="ruby-identifier">info</span> <span class="ruby-node">"Database '#{@dbfile}' loaded...highest id = #{@dbtop}."</span>
<span class="ruby-comment cmt"># log.debug @db.inspect</span>
<span class="ruby-keyword kw">rescue</span>
<span class="ruby-identifier">log</span>.<span class="ruby-identifier">fatal</span> <span class="ruby-value str">"Error loading database"</span>
<span class="ruby-identifier">log</span>.<span class="ruby-identifier">fatal</span> <span class="ruby-identifier">$!</span>
<span class="ruby-identifier">raise</span>
<span class="ruby-keyword kw">end</span></pre>
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