arcwriterpooltest.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

<a name="80" href="#80">80</a>          }
<a name="81" href="#81">81</a>          assertTrue(<span class="string">"Did not get NoSuchElementException"</span>, isException);
<a name="82" href="#82">82</a>  
<a name="83" href="#83">83</a>          <strong>for</strong> (<strong>int</strong> i = (MAX_ACTIVE - 1); i >= 0; i--) {
<a name="84" href="#84">84</a>              pool.returnFile(writers[i]);
<a name="85" href="#85">85</a>              assertEquals(<span class="string">"Number active"</span>, i, pool.getNumActive());
<a name="86" href="#86">86</a>              assertEquals(<span class="string">"Number idle"</span>, MAX_ACTIVE - pool.getNumActive(),
<a name="87" href="#87">87</a>                      pool.getNumIdle());
<a name="88" href="#88">88</a>          }
<a name="89" href="#89">89</a>          pool.close();
<a name="90" href="#90">90</a>      }
<a name="91" href="#91">91</a>      
<a name="92" href="#92">92</a>      <strong>public</strong> <strong>void</strong> testInvalidate() throws Exception {
<a name="93" href="#93">93</a>          <strong>final</strong> <strong>int</strong> MAX_ACTIVE = 3;
<a name="94" href="#94">94</a>          <strong>final</strong> <strong>int</strong> MAX_WAIT_MILLISECONDS = 100;
<a name="95" href="#95">95</a>          cleanUpOldFiles(PREFIX);
<a name="96" href="#96">96</a>          <a href="../../../../org/archive/io/WriterPool.html">WriterPool</a> pool = <strong>new</strong> <a href="../../../../org/archive/io/arc/ARCWriterPool.html">ARCWriterPool</a>(getSettings(<strong>true</strong>),
<a name="97" href="#97">97</a>              MAX_ACTIVE, MAX_WAIT_MILLISECONDS);
<a name="98" href="#98">98</a>          <a href="../../../../org/archive/io/WriterPoolMember.html">WriterPoolMember</a> [] writers = <strong>new</strong> WriterPoolMember[MAX_ACTIVE];
<a name="99" href="#99">99</a>          <strong>final</strong> String CONTENT = <span class="string">"Any old content"</span>;
<a name="100" href="#100">100</a>         ByteArrayOutputStream baos = <strong>new</strong> ByteArrayOutputStream();
<a name="101" href="#101">101</a>         baos.write(CONTENT.getBytes());
<a name="102" href="#102">102</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; MAX_ACTIVE; i++) {
<a name="103" href="#103">103</a>             writers[i] = pool.borrowFile();
<a name="104" href="#104">104</a>             assertEquals(<span class="string">"Number active"</span>, i + 1, pool.getNumActive());
<a name="105" href="#105">105</a>             ((<a href="../../../../org/archive/io/arc/ARCWriter.html">ARCWriter</a>)writers[i]).write(<span class="string">"http://one.two.three"</span>, <span class="string">"no-type"</span>,
<a name="106" href="#106">106</a>             	<span class="string">"0.0.0.0"</span>, 1234567890, CONTENT.length(), baos);
<a name="107" href="#107">107</a>         }
<a name="108" href="#108">108</a>      
<a name="109" href="#109">109</a>         <a href="../../../../org/archive/io/WriterPoolMember.html">WriterPoolMember</a> writer2Invalidate = writers[pool.getNumActive() - 1];
<a name="110" href="#110">110</a>         writers[pool.getNumActive() - 1] = <strong>null</strong>;
<a name="111" href="#111">111</a>         pool.invalidateFile(writer2Invalidate);
<a name="112" href="#112">112</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; (MAX_ACTIVE - 1); i++) {
<a name="113" href="#113">113</a>             <strong>if</strong> (writers[i] == <strong>null</strong>) {
<a name="114" href="#114">114</a>                 <strong>continue</strong>;
<a name="115" href="#115">115</a>             }
<a name="116" href="#116">116</a>             pool.returnFile(writers[i]);
<a name="117" href="#117">117</a>         }
<a name="118" href="#118">118</a>         
<a name="119" href="#119">119</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; MAX_ACTIVE; i++) {
<a name="120" href="#120">120</a>             writers[i] = pool.borrowFile();
<a name="121" href="#121">121</a>             assertEquals(<span class="string">"Number active"</span>, i + 1, pool.getNumActive());
<a name="122" href="#122">122</a>             ((<a href="../../../../org/archive/io/arc/ARCWriter.html">ARCWriter</a>)writers[i]).write(<span class="string">"http://one.two.three"</span>, <span class="string">"no-type"</span>,
<a name="123" href="#123">123</a>             	<span class="string">"0.0.0.0"</span>, 1234567890, CONTENT.length(), baos);
<a name="124" href="#124">124</a>         }
<a name="125" href="#125">125</a>         <strong>for</strong> (<strong>int</strong> i = (MAX_ACTIVE - 1); i >= 0; i--) {
<a name="126" href="#126">126</a>             pool.returnFile(writers[i]);
<a name="127" href="#127">127</a>             assertEquals(<span class="string">"Number active"</span>, i, pool.getNumActive());
<a name="128" href="#128">128</a>             assertEquals(<span class="string">"Number idle"</span>, MAX_ACTIVE - pool.getNumActive(),
<a name="129" href="#129">129</a>                     pool.getNumIdle());
<a name="130" href="#130">130</a>         }
<a name="131" href="#131">131</a>         pool.close();
<a name="132" href="#132">132</a>     }
<a name="133" href="#133">133</a>     
<a name="134" href="#134">134</a>     <strong>private</strong> <a href="../../../../org/archive/io/WriterPoolSettings.html">WriterPoolSettings</a> getSettings(<strong>final</strong> <strong>boolean</strong> isCompressed) {
<a name="135" href="#135">135</a>         <strong>return</strong> <strong>new</strong> <a href="../../../../org/archive/io/WriterPoolSettings.html">WriterPoolSettings</a>() {
<a name="136" href="#136">136</a>             <strong>public</strong> <strong>int</strong> getMaxSize() {
<a name="137" href="#137">137</a>                 <strong>return</strong> ARCConstants.DEFAULT_MAX_ARC_FILE_SIZE;
<a name="138" href="#138">138</a>             }
<a name="139" href="#139">139</a>             
<a name="140" href="#140">140</a>             <strong>public</strong> String getPrefix() {
<a name="141" href="#141">141</a>                 <strong>return</strong> PREFIX;
<a name="142" href="#142">142</a>             }
<a name="143" href="#143">143</a>             
<a name="144" href="#144">144</a>             <strong>public</strong> String getSuffix() {
<a name="145" href="#145">145</a>                 <strong>return</strong> <span class="string">""</span>;
<a name="146" href="#146">146</a>             }
<a name="147" href="#147">147</a>             
<a name="148" href="#148">148</a>             <strong>public</strong> List getOutputDirs() {
<a name="149" href="#149">149</a>                 File [] files = {getTmpDir()};
<a name="150" href="#150">150</a>                 <strong>return</strong> Arrays.asList(files);
<a name="151" href="#151">151</a>             }
<a name="152" href="#152">152</a>             
<a name="153" href="#153">153</a>             <strong>public</strong> <strong>boolean</strong> isCompressed() {
<a name="154" href="#154">154</a>                 <strong>return</strong> isCompressed;
<a name="155" href="#155">155</a>             }
<a name="156" href="#156">156</a>             
<a name="157" href="#157">157</a>             <strong>public</strong> List getMetadata() {
<a name="158" href="#158">158</a>             	<strong>return</strong> <strong>null</strong>;
<a name="159" href="#159">159</a>             }
<a name="160" href="#160">160</a>         };
<a name="161" href="#161">161</a>     }
<a name="162" href="#162">162</a> }
</pre>
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