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<pre><span class="ruby-comment cmt"># File lib/storage/sqlitestore.rb, line 31</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}.sqlite"</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-comment cmt"># open database and sets @dbtop to highest object id</span>
<span class="ruby-ivar">@db</span> = <span class="ruby-constant">SQLite</span><span class="ruby-operator">::</span><span class="ruby-constant">Database</span>.<span class="ruby-identifier">open</span>(<span class="ruby-ivar">@dbfile</span>)
<span class="ruby-ivar">@db</span>.<span class="ruby-identifier">cache_size</span> = <span class="ruby-value">1000</span>; <span class="ruby-comment cmt"># default is 2000 1.5K pages</span>
<span class="ruby-ivar">@db</span>.<span class="ruby-identifier">synchronous</span> = <span class="ruby-value">0</span>; <span class="ruby-comment cmt"># dangerous if OS crash, but fast</span>
<span class="ruby-ivar">@db</span>.<span class="ruby-identifier">type_translation</span> = <span class="ruby-keyword kw">true</span>;
<span class="ruby-ivar">@db</span>.<span class="ruby-identifier">execute</span>(<span class="ruby-value str">"select id from tmud;"</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">i</span><span class="ruby-operator">|</span>
<span class="ruby-ivar">@dbtop</span> = <span class="ruby-identifier">i</span>.<span class="ruby-identifier">first</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">i</span>.<span class="ruby-identifier">first</span> <span class="ruby-operator">></span> <span class="ruby-ivar">@dbtop</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-ivar">@cache</span> = <span class="ruby-constant">CacheManager</span>.<span class="ruby-identifier">new</span>(<span class="ruby-ivar">@db</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-identifier">$!</span>
<span class="ruby-identifier">raise</span>
<span class="ruby-keyword kw">end</span></pre>
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