| 1 | <!DOCTYPE html> <html> <head> <title>Environment.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To … <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="ByteIterable.html"> ByteIterable.coffee </a> <a class="source" href="ByteIterator.html"> ByteIterator.coffee </a> <a class="source" href="ArrayByteIterable.html"> ArrayByteIterable.coffee </a> <a class="source" href="ByteIterableBase.html"> ByteIterableBase.coffee </a> <a class="source" href="ByteIterableUtil.html"> ByteIterableUtil.coffee </a> <a class="source" href="LightOutputStream.html"> LightOutputStream.coffee </a> <a class="source" href="StoreConfiguration.html"> StoreConfiguration.coffee </a> <a class="source" href="Reader.html"> Reader.coffee </a> <a class="source" href="Writer.html"> Writer.coffee </a> <a class="source" href="List.html"> List.coffee </a> <a class="source" href="ListNode.html"> ListNode.coffee </a> <a class="source" href="Cursor.html"> Cursor.coffee </a> <a class="source" href="DatabaseRoot.html"> DatabaseRoot.coffee </a> <a class="source" href="Environment.html"> Environment.coffee </a> <a class="source" href="EnvironmentConfig.html"> EnvironmentConfig.coffee </a> <a class="source" href="Store.html"> Store.coffee </a> <a class="source" href="Transaction.html"> Transaction.coffee </a> <a class="source" href="Addr64.html"> Addr64.coffee </a> <a class="source" href="DataIterator.html"> DataIterator.coffee </a> <a class="source" href="Log.html"> Log.coffee </a> <a class="source" href="LogCache.html"> LogCache.coffee </a> <a class="source" href="LogConfig.html"> LogConfig.coffee </a> <a class="source" href="LogUtil.html"> LogUtil.coffee </a> <a class="source" href="Loggable.html"> Loggable.coffee </a> <a class="source" href="LoggableFactory.html"> LoggableFactory.coffee </a> <a class="source" href="LoggableIterator.html"> LoggableIterator.coffee </a> <a class="source" href="LoggableToWrite.html"> LoggableToWrite.coffee </a> <a class="source" href="NullLoggable.html"> NullLoggable.coffee </a> <a class="source" href="RandomAccessByteIterable.html"> RandomAccessByteIterable.coffee </a> <a class="source" href="RandomAccessLoggable.html"> RandomAccessLoggable.coffee </a> <a class="source" href="RandomAccessLoggableIterator.html"> RandomAccessLoggableIterator.coffee </a> <a class="source" href="StackList.html"> StackList.coffee </a> <a class="source" href="CompoundByteIterable.html"> CompoundByteIterable.coffee </a> <a class="source" href="CompoundByteIteratorBase.html"> CompoundByteIteratorBase.coffee </a> <a class="source" href="CompressedUnsignedLongByteIterable.html"> CompressedUnsignedLongByteIterable.coffee </a> <a class="source" href="FixedLengthByteIterable.html"> FixedLengthByteIterable.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> Environment.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">¶</a> </div> </td> <td class="code"> <div class="highlight"><pre><span class="nv">LogConfig = </span><span class="p">(</span><span class="nx">require</span> <span class="s1">'../log/LogConfig.coffee'</span><span class="p">).</span><span class="nx">LogConfig</span>
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| 2 | <span class="nv">Log = </span><span class="p">(</span><span class="nx">require</span> <span class="s1">'../log/Log.coffee'</span><span class="p">).</span><span class="nx">Log</span>
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| 3 | <span class="nv">Store = </span><span class="p">(</span><span class="nx">require</span> <span class="s1">'./Store.coffee'</span><span class="p">).</span><span class="nx">Store</span>
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| 4 | <span class="nv">Transaction = </span><span class="p">(</span><span class="nx">require</span> <span class="s1">'./Transaction.coffee'</span><span class="p">).</span><span class="nx">Transaction</span>
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| 5 | <span class="nv">IOUtil = </span><span class="p">(</span><span class="nx">require</span> <span class="s1">'../util/IOUtil.coffee'</span><span class="p">).</span><span class="nx">IOUtil</span>
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| 6 | <span class="nv">EventEmitter = </span><span class="p">(</span><span class="nx">require</span> <span class="s1">'events'</span><span class="p">).</span><span class="nx">EventEmitter</span>
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| 7 | <span class="nv">PhysicalLayerError =</span>
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| 8 | <span class="p">(</span><span class="nx">require</span> <span class="s1">'../errors/PhysicalLayerError.coffee'</span><span class="p">).</span><span class="nx">PhysicalLayerError</span>
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| 9 | <span class="nv">ExodusError = </span><span class="p">(</span><span class="nx">require</span> <span class="s1">'../errors/ExodusError.coffee'</span><span class="p">).</span><span class="nx">ExodusError</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">¶</a> </div> <p>This class provides common access to data. Every Store is placed in its own
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| 10 | subdir and has its own log.</p> </td> <td class="code"> <div class="highlight"><pre><span class="k">class</span> <span class="nx">Environment</span> <span class="k">extends</span> <span class="nx">EventEmitter</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">¶</a> </div> <p>@private</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">ec: </span><span class="kc">undefined</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">¶</a> </div> <p>@private</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">openStores: </span><span class="kc">undefined</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">¶</a> </div> <p>@private</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">config: </span><span class="kc">undefined</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">¶</a> </div> <p>@private</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">dir: </span><span class="kc">undefined</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">¶</a> </div> <p>@private</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">txns: </span><span class="kc">undefined</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">¶</a> </div> <p>Constructor.</p>
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| 11 |
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| 12 | <p>@param config log configuration
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| 13 | @param ec environment configuration</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">@create$LogConfig</span><span class="nv">$EnvironmentConfig: </span><span class="nf">(config, ec, o) -></span>
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| 14 | <span class="k">if</span> <span class="o">!</span><span class="nx">o</span><span class="o">?</span> <span class="k">then</span> <span class="nv">o = </span><span class="k">new</span> <span class="nx">Environment</span>
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| 15 | <span class="nv">o.config = </span><span class="nx">config</span>
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| 16 | <span class="nv">o.dir = </span><span class="nx">config</span><span class="p">.</span><span class="nx">getDir</span><span class="p">()</span>
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| 17 | <span class="nv">o.ec = </span><span class="nx">ec</span>
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| 18 | <span class="nv">o.openStores = </span><span class="k">new</span> <span class="nb">Array</span><span class="p">()</span>
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| 19 | <span class="nv">o.txns = </span><span class="k">new</span> <span class="nb">Array</span><span class="p">()</span>
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| 20 | <span class="k">return</span> <span class="nx">o</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">¶</a> </div> <p>Constructor.</p>
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| 21 |
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| 22 | <p>@param dir
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| 23 | @param ec environment configuration</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">@create$String</span><span class="nv">$EnvironmentConfig: </span><span class="nf">(dir, ec, o) -></span>
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| 24 | <span class="k">if</span> <span class="o">!</span><span class="nx">o</span><span class="o">?</span> <span class="k">then</span> <span class="nv">o = </span><span class="k">new</span> <span class="nx">Environment</span>
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| 25 | <span class="nv">config = </span><span class="nx">LogConfig</span><span class="p">.</span><span class="nx">create</span><span class="p">()</span>
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| 26 | <span class="nx">config</span><span class="p">.</span><span class="nx">setDir</span> <span class="nx">dir</span>
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| 27 | <span class="nv">o = </span><span class="nx">Environment</span><span class="p">.</span><span class="nx">create$LogConfig$EnvironmentConfig</span> <span class="nx">config</span><span class="p">,</span> <span class="nx">ec</span><span class="p">,</span> <span class="nx">o</span>
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| 28 | <span class="k">return</span> <span class="nx">o</span>
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| 29 |
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| 30 | <span class="nv">getLocation: </span><span class="nf">() -></span>
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| 31 | <span class="k">return</span> <span class="nx">@dir</span>
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| 32 |
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| 33 | <span class="nx">getLog</span><span class="nv">$String: </span><span class="nf">(name) -></span>
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| 34 | <span class="nx">@config</span><span class="p">.</span><span class="nx">setDir</span> <span class="nx">@dir</span> <span class="o">+</span> <span class="nx">name</span> <span class="o">+</span> <span class="s1">'/'</span>
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| 35 | <span class="nx">@config</span><span class="p">.</span><span class="nx">setFileSize</span><span class="p">(</span><span class="nx">@ec</span><span class="p">.</span><span class="nx">getLogFileSize</span><span class="p">())</span>
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| 36 | <span class="nx">@config</span><span class="p">.</span><span class="nx">setLockTimeout</span><span class="p">(</span><span class="nx">@ec</span><span class="p">.</span><span class="nx">getLogLockTimeout</span><span class="p">())</span>
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| 37 | <span class="nx">@config</span><span class="p">.</span><span class="nx">setCachePageSize</span><span class="p">(</span><span class="nx">@ec</span><span class="p">.</span><span class="nx">getLogCachePageSize</span><span class="p">())</span>
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| 38 | <span class="nx">@config</span><span class="p">.</span><span class="nx">setCacheOpenFilesCount</span><span class="p">(</span><span class="nx">@ec</span><span class="p">.</span><span class="nx">getLogCacheOpenFilesCount</span><span class="p">())</span>
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| 39 | <span class="nx">@config</span><span class="p">.</span><span class="nx">setDurableWrite</span><span class="p">(</span><span class="nx">@ec</span><span class="p">.</span><span class="nx">getLogDurableWrite</span><span class="p">())</span>
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| 40 | <span class="nx">@config</span><span class="p">.</span><span class="nx">setSharedCache</span><span class="p">(</span><span class="nx">@ec</span><span class="p">.</span><span class="nx">isLogCacheShared</span><span class="p">())</span>
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| 41 | <span class="nx">@config</span><span class="p">.</span><span class="nx">setNonBlockingCache</span><span class="p">(</span><span class="nx">@ec</span><span class="p">.</span><span class="nx">isLogCacheNonBlocking</span><span class="p">())</span>
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| 42 | <span class="nx">@config</span><span class="p">.</span><span class="nx">setWriteBufferSize</span><span class="p">(</span><span class="nx">@ec</span><span class="p">.</span><span class="nx">getLogCacheWriteBufferSize</span><span class="p">())</span>
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| 43 | <span class="nv">log = </span><span class="nx">Log</span><span class="p">.</span><span class="nx">create$LogConfig</span> <span class="nx">@config</span>
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| 44 | <span class="k">return</span> <span class="nx">log</span>
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| 45 |
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| 46 | <span class="nx">openStore$String$StoreConfiguration</span><span class="nv">$emit: </span><span class="nf">(name, config) -></span>
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| 47 | <span class="k">if</span> <span class="nx">@txns</span><span class="p">.</span><span class="nx">length</span> <span class="o">==</span> <span class="mi">0</span>
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| 48 | <span class="nv">txn = </span><span class="nx">@beginTransaction</span><span class="p">()</span>
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| 49 | <span class="k">else</span>
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| 50 | <span class="nv">txn = </span><span class="nx">@txns</span><span class="p">[</span><span class="nx">@txns</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
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| 51 | <span class="k">return</span> <span class="nx">@openStore$String$StoreConfiguration$TransactionDescriptor$emit</span> <span class="nx">name</span><span class="p">,</span>
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| 52 | <span class="nx">config</span><span class="p">,</span> <span class="nx">txn</span>
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| 53 |
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| 54 | <span class="nx">openStore$String$StoreConfiguration$TransactionDescriptor</span><span class="nv">$emit: </span><span class="nf">(name, config, txn) -></span>
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| 55 | <span class="nx">Store</span><span class="p">.</span><span class="nx">EMITTER</span><span class="p">.</span><span class="nx">once</span> <span class="s1">'create'</span><span class="p">,</span> <span class="p">(</span><span class="nx">store</span><span class="p">)</span> <span class="o">=></span>
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| 56 | <span class="nx">txn</span><span class="p">.</span><span class="nx">addStore$Store</span> <span class="nx">store</span>
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| 57 | <span class="nx">@openStores</span><span class="p">.</span><span class="nx">push</span> <span class="nx">store</span>
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| 58 | <span class="nx">@emit</span> <span class="s1">'openStore'</span><span class="p">,</span> <span class="nx">store</span>
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| 59 | <span class="nx">Store</span><span class="p">.</span><span class="nx">create$Environment$String$int$StoreConfiguration</span> <span class="k">this</span><span class="p">,</span>
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| 60 | <span class="nx">name</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="nx">config</span>
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| 61 | <span class="k">return</span> <span class="kc">undefined</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">¶</a> </div> <p>@private</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">getAndCheckAutoCommit</span><span class="nv">$Transaction: </span><span class="nf">(txn) -></span>
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| 62 | <span class="nv">res = </span><span class="k">new</span> <span class="nb">Object</span><span class="p">()</span>
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| 63 | <span class="k">if</span> <span class="nx">txn</span><span class="o">?</span>
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| 64 | <span class="nv">res.txn = </span><span class="nx">txn</span>
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| 65 | <span class="nv">res.commit = </span><span class="kc">false</span>
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| 66 | <span class="k">else</span>
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| 67 | <span class="nv">res.txn = </span><span class="nx">@beginTransaction</span><span class="p">()</span>
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| 68 | <span class="nv">res.commit = </span><span class="kc">true</span>
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| 69 | <span class="k">return</span> <span class="nx">res</span>
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| 70 |
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| 71 | <span class="nx">abortTransaction$Transaction</span><span class="nv">$emit: </span><span class="nf">(txn) -></span>
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| 72 | <span class="nx">@txns</span><span class="p">.</span><span class="nx">pop</span><span class="p">()</span>
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| 73 | <span class="nx">@emit</span> <span class="s1">'abortTransaction'</span>
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| 74 |
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| 75 | <span class="nx">commitTransaction$Transaction</span><span class="nv">$emit: </span><span class="nf">(txn) -></span>
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| 76 | <span class="nv">removeStores = </span><span class="p">()</span> <span class="o">=></span>
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| 77 | <span class="k">if</span> <span class="nx">txn</span><span class="p">.</span><span class="nx">removedStores</span><span class="p">.</span><span class="nx">length</span> <span class="o">!=</span> <span class="mi">0</span>
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| 78 | <span class="nv">dir = </span><span class="nx">@config</span><span class="p">.</span><span class="nx">getDir</span><span class="p">()</span>
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| 79 | <span class="k">if</span> <span class="nx">dir</span><span class="p">[</span><span class="nx">dir</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> <span class="o">!=</span> <span class="s1">'/'</span> <span class="k">then</span> <span class="nx">dir</span> <span class="o">+=</span> <span class="s1">'/'</span>
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| 80 | <span class="k">for</span> <span class="nx">i</span> <span class="k">in</span> <span class="p">[</span><span class="mi">0</span><span class="p">..</span><span class="nx">txn</span><span class="p">.</span><span class="nx">removedStores</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
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| 81 | <span class="nv">path = </span><span class="nx">dir</span> <span class="o">+</span> <span class="nx">txn</span><span class="p">.</span><span class="nx">removedStores</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span>
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| 82 | <span class="nx">IOUtil</span><span class="p">.</span><span class="nx">removeDirectory$String</span> <span class="nx">path</span>
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| 83 | <span class="nv">finish = </span><span class="p">()</span> <span class="o">=></span>
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| 84 | <span class="nx">removeStores</span><span class="p">()</span>
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| 85 | <span class="nx">@txns</span><span class="p">.</span><span class="nx">pop</span><span class="p">()</span>
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| 86 | <span class="nx">@emit</span> <span class="s1">'commitTransaction'</span>
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| 87 | <span class="nv">n = </span><span class="mi">0</span>
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| 88 | <span class="k">if</span> <span class="nx">txn</span><span class="p">.</span><span class="nx">getStores</span><span class="p">().</span><span class="nx">length</span> <span class="o">!=</span> <span class="mi">0</span>
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| 89 | <span class="k">for</span> <span class="nx">i</span> <span class="k">in</span> <span class="p">[</span><span class="mi">0</span><span class="p">..</span><span class="nx">txn</span><span class="p">.</span><span class="nx">getStores</span><span class="p">().</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
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| 90 | <span class="nx">txn</span><span class="p">.</span><span class="nx">getStores</span><span class="p">()[</span><span class="nx">i</span><span class="p">].</span><span class="kc">on</span> <span class="s1">'close'</span><span class="p">,</span> <span class="p">()</span> <span class="o">=></span>
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| 91 | <span class="nx">n</span> <span class="o">+=</span> <span class="mi">1</span>
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| 92 | <span class="k">if</span> <span class="nx">n</span> <span class="o">==</span> <span class="nx">txn</span><span class="p">.</span><span class="nx">getStores</span><span class="p">().</span><span class="nx">length</span>
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| 93 | <span class="nx">finish</span><span class="p">()</span>
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| 94 | <span class="nx">txn</span><span class="p">.</span><span class="nx">getStores</span><span class="p">()[</span><span class="nx">i</span><span class="p">].</span><span class="nx">close$emit</span><span class="p">()</span>
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| 95 | <span class="k">else</span>
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| 96 | <span class="nx">finish</span><span class="p">()</span>
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| 97 |
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| 98 | <span class="nv">beginTransaction: </span><span class="nf">() -></span>
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| 99 | <span class="nv">txn = </span><span class="nx">Transaction</span><span class="p">.</span><span class="nx">create$Environment$Boolean</span> <span class="k">this</span><span class="p">,</span> <span class="kc">false</span>
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| 100 | <span class="k">if</span> <span class="nx">txn</span> <span class="o">==</span> <span class="kc">null</span>
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| 101 | <span class="k">throw</span> <span class="k">new</span> <span class="nx">PhysicalLayerError</span> <span class="s2">"This exception should never be thrown"</span>
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| 102 | <span class="nx">@txns</span><span class="p">.</span><span class="nx">push</span> <span class="nx">txn</span>
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| 103 | <span class="k">return</span> <span class="nx">txn</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">¶</a> </div> <p>Exclusiveness is unundestandable feature.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">beginExclusiveTransaction: </span><span class="nf">() -></span>
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| 104 | <span class="nv">txn = </span><span class="nx">Transaction</span><span class="p">.</span><span class="nx">create$Environment$Boolean</span> <span class="k">this</span><span class="p">,</span> <span class="kc">true</span>
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| 105 | <span class="k">if</span> <span class="nx">txn</span> <span class="o">==</span> <span class="kc">null</span>
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| 106 | <span class="k">throw</span> <span class="k">new</span> <span class="nx">PhysicalLayerError</span> <span class="s2">"This exception should never be thrown"</span>
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| 107 | <span class="nx">@txns</span><span class="p">.</span><span class="nx">push</span> <span class="nx">txn</span>
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| 108 | <span class="k">return</span> <span class="nx">txn</span>
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| 109 |
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| 110 | <span class="nv">getCurrentTransaction: </span><span class="nf">() -></span>
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| 111 | <span class="k">if</span> <span class="nx">@txns</span><span class="p">.</span><span class="nx">length</span> <span class="o">!=</span> <span class="mi">0</span>
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| 112 | <span class="k">return</span> <span class="nx">@txns</span><span class="p">[</span><span class="nx">@txns</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
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| 113 | <span class="k">else</span>
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| 114 | <span class="k">return</span> <span class="kc">undefined</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">¶</a> </div> <p>Remove all stores.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">clear: </span><span class="nf">() -></span>
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| 115 | <span class="nv">dir = </span><span class="nx">@config</span><span class="p">.</span><span class="nx">getDir</span><span class="p">()</span>
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| 116 | <span class="nx">IOUtil</span><span class="p">.</span><span class="nx">removeDirectory$String</span> <span class="nx">dir</span>
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| 117 | <span class="nx">IOUtil</span><span class="p">.</span><span class="nx">makeDirectory$String</span> <span class="nx">dir</span>
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| 118 | <span class="vi">@openStores = </span><span class="k">new</span> <span class="nb">Object</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">¶</a> </div> <p>Close all stores.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">close</span><span class="nv">$emit: </span><span class="nf">() -></span>
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| 119 | <span class="k">if</span> <span class="nx">@txns</span><span class="p">.</span><span class="nx">length</span> <span class="o">!=</span> <span class="mi">0</span>
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| 120 | <span class="k">throw</span> <span class="k">new</span> <span class="nx">ExodusError</span> <span class="s2">"Finish all transactions before closing database environment"</span>
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| 121 | <span class="nv">n = </span><span class="mi">0</span>
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| 122 | <span class="k">for</span> <span class="nx">i</span> <span class="k">in</span> <span class="p">[</span><span class="mi">0</span><span class="p">..</span><span class="nx">@openStores</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
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| 123 | <span class="nx">@openStores</span><span class="p">[</span><span class="nx">i</span><span class="p">].</span><span class="kc">on</span> <span class="s1">'close'</span><span class="p">,</span> <span class="nf">() -></span>
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| 124 | <span class="nx">n</span> <span class="o">+=</span> <span class="mi">1</span>
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| 125 | <span class="k">if</span> <span class="nx">n</span> <span class="o">==</span> <span class="nx">@openStores</span><span class="p">.</span><span class="nx">length</span>
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| 126 | <span class="vi">@openStores = </span><span class="k">new</span> <span class="nb">Object</span><span class="p">()</span>
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| 127 | <span class="nx">@emit</span> <span class="s1">'close'</span>
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| 128 | <span class="nx">@openStores</span><span class="p">[</span><span class="nx">i</span><span class="p">].</span><span class="nx">close$emit</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-14">¶</a> </div> <p>TODO File backup(String backupRootName, BlobVault blobVault) throws IOException</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">truncateStore$String$Transaction</span><span class="nv">$emit: </span><span class="nf">(storeName, transaction) -></span>
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| 129 | <span class="nv">res = </span><span class="nx">@getAndCheckAutoCommit$Transaction</span> <span class="nx">transaction</span>
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| 130 | <span class="nv">txn = </span><span class="nx">res</span><span class="p">.</span><span class="nx">txn</span>
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| 131 | <span class="nv">k = </span><span class="o">-</span><span class="mi">1</span>
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| 132 | <span class="k">for</span> <span class="nx">i</span> <span class="k">in</span> <span class="p">[</span><span class="mi">0</span><span class="p">..</span><span class="nx">@openStores</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
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| 133 | <span class="k">if</span> <span class="nx">@openStores</span><span class="p">[</span><span class="nx">i</span><span class="p">].</span><span class="nx">getName</span><span class="p">()</span> <span class="o">==</span> <span class="nx">storeName</span>
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| 134 | <span class="nv">k = </span><span class="nx">i</span>
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| 135 | <span class="k">if</span> <span class="nx">k</span> <span class="o">!=</span> <span class="o">-</span><span class="mi">1</span>
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| 136 | <span class="nx">Store</span><span class="p">.</span><span class="nx">EMITTER</span><span class="p">.</span><span class="nx">once</span> <span class="s1">'create'</span><span class="p">,</span> <span class="p">(</span><span class="nx">store</span><span class="p">)</span> <span class="o">=></span>
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| 137 | <span class="nx">txn</span><span class="p">.</span><span class="nx">addStore$Store</span> <span class="nx">store</span>
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| 138 | <span class="nx">@openStores</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">k</span><span class="p">,</span> <span class="mi">1</span>
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| 139 | <span class="nx">@openStores</span><span class="p">.</span><span class="nx">push</span> <span class="nx">store</span>
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| 140 | <span class="k">if</span> <span class="nx">res</span><span class="p">.</span><span class="nx">commit</span>
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| 141 | <span class="nx">txn</span><span class="p">.</span><span class="nx">once</span> <span class="s1">'commit'</span><span class="p">,</span> <span class="nf">() -></span>
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| 142 | <span class="nx">@emit</span> <span class="s1">'truncateStore'</span>
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| 143 | <span class="nx">txn</span><span class="p">.</span><span class="nx">commit$emit</span><span class="p">()</span>
|
| 144 | <span class="k">else</span>
|
| 145 | <span class="nx">@emit</span> <span class="s1">'truncateStore'</span>
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| 146 | <span class="nx">Store</span><span class="p">.</span><span class="nx">create$Environment$String$int$StoreConfiguration</span> <span class="k">this</span><span class="p">,</span>
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| 147 | <span class="nx">storeName</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="nx">@openStores</span><span class="p">[</span><span class="nx">k</span><span class="p">].</span><span class="nx">getConfig</span><span class="p">()</span>
|
| 148 | <span class="k">else</span>
|
| 149 | <span class="nx">@emit</span> <span class="s1">'truncateStore'</span>
|
| 150 |
|
| 151 | <span class="nx">removeStore$String$Transaction</span><span class="nv">$emit: </span><span class="nf">(storeName, transaction) -></span>
|
| 152 | <span class="nv">res = </span><span class="nx">@getAndCheckAutoCommit$Transaction</span> <span class="nx">transaction</span>
|
| 153 | <span class="nv">txn = </span><span class="nx">res</span><span class="p">.</span><span class="nx">txn</span>
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| 154 | <span class="nx">txn</span><span class="p">.</span><span class="nx">removeStore$String</span> <span class="nx">storeName</span>
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| 155 | <span class="k">if</span> <span class="nx">res</span><span class="p">.</span><span class="nx">commit</span>
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| 156 | <span class="nx">txn</span><span class="p">.</span><span class="nx">once</span> <span class="s1">'commit'</span><span class="p">,</span> <span class="nf">() -></span>
|
| 157 | <span class="nx">@emit</span> <span class="s1">'removeStore'</span>
|
| 158 | <span class="nx">txn</span><span class="p">.</span><span class="nx">commit$emit</span><span class="p">()</span>
|
| 159 | <span class="k">else</span>
|
| 160 | <span class="nx">@emit</span> <span class="s1">'removeStore'</span>
|
| 161 |
|
| 162 | <span class="nv">getAllStoreNames: </span><span class="nf">() -></span>
|
| 163 | <span class="nv">names = </span><span class="k">new</span> <span class="nb">Array</span><span class="p">()</span>
|
| 164 | <span class="k">for</span> <span class="nx">i</span> <span class="k">in</span> <span class="p">[</span><span class="mi">0</span><span class="p">..</span><span class="nx">@openStores</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
|
| 165 | <span class="nx">names</span><span class="p">.</span><span class="nx">push</span> <span class="nx">@openStores</span><span class="p">[</span><span class="nx">i</span><span class="p">].</span><span class="nx">getName</span><span class="p">()</span>
|
| 166 | <span class="k">return</span> <span class="nx">names</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-15">¶</a> </div> <p>Get size of all the environment.</p>
|
| 167 |
|
| 168 | <p>@return size of env in bytes.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">getDiskUsage: </span><span class="nf">() -></span>
|
| 169 | <span class="nv">dir = </span><span class="nx">@config</span><span class="p">.</span><span class="nx">getDir</span><span class="p">()</span>
|
| 170 | <span class="k">return</span> <span class="nx">IOUtil</span><span class="p">.</span><span class="nx">getDirectorySize$String</span> <span class="nx">dir</span>
|
| 171 |
|
| 172 |
|
| 173 | <span class="nv">exports.Environment = </span><span class="nx">Environment</span>
|
| 174 |
|
| 175 | </pre></div> </td> </tr> </tbody> </table> </div> </body> </html> |
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