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From bus...@apache.org
Subject [06/51] [partial] hbase git commit: Published site at e73a9594c218ed969a2f5b0b356d7b8d0e1474c0.
Date Thu, 26 Nov 2015 04:29:31 GMT
http://git-wip-us.apache.org/repos/asf/hbase/blob/a986dfe6/xref-test/org/apache/hadoop/hbase/io/TestBoundedByteBufferPool.html
----------------------------------------------------------------------
diff --git a/xref-test/org/apache/hadoop/hbase/io/TestBoundedByteBufferPool.html b/xref-test/org/apache/hadoop/hbase/io/TestBoundedByteBufferPool.html
index be7970c..e6fcc28 100644
--- a/xref-test/org/apache/hadoop/hbase/io/TestBoundedByteBufferPool.html
+++ b/xref-test/org/apache/hadoop/hbase/io/TestBoundedByteBufferPool.html
@@ -27,136 +27,154 @@
 <a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_javadoccomment">
*/</em>
 <a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">package</strong>
org.apache.hadoop.hbase.io;
 <a class="jxr_linenumber" name="19" href="#19">19</a>  
-<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong>
<strong class="jxr_keyword">static</strong> org.junit.Assert.assertEquals;
-<a class="jxr_linenumber" name="21" href="#21">21</a>  
-<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong>
java.nio.ByteBuffer;
-<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong>
java.util.concurrent.ConcurrentLinkedDeque;
-<a class="jxr_linenumber" name="24" href="#24">24</a>  
-<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong>
org.apache.hadoop.hbase.testclassification.IOTests;
-<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong>
org.apache.hadoop.hbase.testclassification.SmallTests;
-<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong>
org.junit.After;
-<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong>
org.junit.Before;
-<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong>
org.junit.Test;
-<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong>
org.junit.experimental.categories.Category;
-<a class="jxr_linenumber" name="31" href="#31">31</a>  
-<a class="jxr_linenumber" name="32" href="#32">32</a>  @Category({ IOTests.<strong
class="jxr_keyword">class</strong>, SmallTests.<strong class="jxr_keyword">class</strong>
})
-<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/io/TestBoundedByteBufferPool.html">TestBoundedByteBufferPool</a>
{
-<a class="jxr_linenumber" name="34" href="#34">34</a>    <strong class="jxr_keyword">final</strong>
<strong class="jxr_keyword">int</strong> maxByteBufferSizeToCache = 10;
-<a class="jxr_linenumber" name="35" href="#35">35</a>    <strong class="jxr_keyword">final</strong>
<strong class="jxr_keyword">int</strong> initialByteBufferSize = 1;
-<a class="jxr_linenumber" name="36" href="#36">36</a>    <strong class="jxr_keyword">final</strong>
<strong class="jxr_keyword">int</strong> maxToCache = 10;
-<a class="jxr_linenumber" name="37" href="#37">37</a>    BoundedByteBufferPool
reservoir;
-<a class="jxr_linenumber" name="38" href="#38">38</a>  
-<a class="jxr_linenumber" name="39" href="#39">39</a>    @Before
-<a class="jxr_linenumber" name="40" href="#40">40</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> before() {
-<a class="jxr_linenumber" name="41" href="#41">41</a>      <strong class="jxr_keyword">this</strong>.reservoir
=
-<a class="jxr_linenumber" name="42" href="#42">42</a>        <strong class="jxr_keyword">new</strong>
BoundedByteBufferPool(maxByteBufferSizeToCache, initialByteBufferSize, maxToCache);
-<a class="jxr_linenumber" name="43" href="#43">43</a>    }
-<a class="jxr_linenumber" name="44" href="#44">44</a>  
-<a class="jxr_linenumber" name="45" href="#45">45</a>    @After
-<a class="jxr_linenumber" name="46" href="#46">46</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> after() {
-<a class="jxr_linenumber" name="47" href="#47">47</a>      <strong class="jxr_keyword">this</strong>.reservoir
= <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="48" href="#48">48</a>    }
-<a class="jxr_linenumber" name="49" href="#49">49</a>  
-<a class="jxr_linenumber" name="50" href="#50">50</a>    @Test
-<a class="jxr_linenumber" name="51" href="#51">51</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> testEquivalence() {
-<a class="jxr_linenumber" name="52" href="#52">52</a>      ByteBuffer bb = ByteBuffer.allocate(1);
-<a class="jxr_linenumber" name="53" href="#53">53</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(bb);
-<a class="jxr_linenumber" name="54" href="#54">54</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(bb);
-<a class="jxr_linenumber" name="55" href="#55">55</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(bb);
-<a class="jxr_linenumber" name="56" href="#56">56</a>      assertEquals(3, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
-<a class="jxr_linenumber" name="57" href="#57">57</a>    }
-<a class="jxr_linenumber" name="58" href="#58">58</a>  
-<a class="jxr_linenumber" name="59" href="#59">59</a>    @Test
-<a class="jxr_linenumber" name="60" href="#60">60</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> testGetPut() {
-<a class="jxr_linenumber" name="61" href="#61">61</a>      ByteBuffer bb = <strong
class="jxr_keyword">this</strong>.reservoir.getBuffer();
-<a class="jxr_linenumber" name="62" href="#62">62</a>      assertEquals(initialByteBufferSize,
bb.capacity());
-<a class="jxr_linenumber" name="63" href="#63">63</a>      assertEquals(0, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
-<a class="jxr_linenumber" name="64" href="#64">64</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(bb);
-<a class="jxr_linenumber" name="65" href="#65">65</a>      assertEquals(1, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
-<a class="jxr_linenumber" name="66" href="#66">66</a>      <em class="jxr_comment">//
Now remove a buffer and don't put it back so reservoir is empty.</em>
-<a class="jxr_linenumber" name="67" href="#67">67</a>      <strong class="jxr_keyword">this</strong>.reservoir.getBuffer();
-<a class="jxr_linenumber" name="68" href="#68">68</a>      assertEquals(0, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
-<a class="jxr_linenumber" name="69" href="#69">69</a>      <em class="jxr_comment">//
Try adding in a buffer with a bigger-than-initial size and see if our runningAverage works.</em>
-<a class="jxr_linenumber" name="70" href="#70">70</a>      <em class="jxr_comment">//
Need to add then remove, then get a new bytebuffer so reservoir internally is doing</em>
-<a class="jxr_linenumber" name="71" href="#71">71</a>      <em class="jxr_comment">//
allocation</em>
-<a class="jxr_linenumber" name="72" href="#72">72</a>      <strong class="jxr_keyword">final</strong>
<strong class="jxr_keyword">int</strong> newCapacity = 2;
-<a class="jxr_linenumber" name="73" href="#73">73</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(ByteBuffer.allocate(newCapacity));
-<a class="jxr_linenumber" name="74" href="#74">74</a>      assertEquals(1, reservoir.getQueueSize());
-<a class="jxr_linenumber" name="75" href="#75">75</a>      <strong class="jxr_keyword">this</strong>.reservoir.getBuffer();
-<a class="jxr_linenumber" name="76" href="#76">76</a>      assertEquals(0, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
-<a class="jxr_linenumber" name="77" href="#77">77</a>      bb = <strong class="jxr_keyword">this</strong>.reservoir.getBuffer();
-<a class="jxr_linenumber" name="78" href="#78">78</a>      assertEquals(newCapacity,
bb.capacity());
-<a class="jxr_linenumber" name="79" href="#79">79</a>      <em class="jxr_comment">//
Assert that adding a too-big buffer won't happen</em>
+<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong>
<strong class="jxr_keyword">static</strong> org.apache.hadoop.hbase.io.BoundedByteBufferPool.subtractOneBufferFromState;
+<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong>
<strong class="jxr_keyword">static</strong> org.apache.hadoop.hbase.io.BoundedByteBufferPool.toCountOfBuffers;
+<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong>
<strong class="jxr_keyword">static</strong> org.apache.hadoop.hbase.io.BoundedByteBufferPool.toState;
+<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong>
<strong class="jxr_keyword">static</strong> org.apache.hadoop.hbase.io.BoundedByteBufferPool.toTotalCapacity;
+<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong>
<strong class="jxr_keyword">static</strong> org.junit.Assert.assertEquals;
+<a class="jxr_linenumber" name="25" href="#25">25</a>  
+<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong>
java.nio.ByteBuffer;
+<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong>
java.util.concurrent.ConcurrentLinkedDeque;
+<a class="jxr_linenumber" name="28" href="#28">28</a>  
+<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong>
org.apache.hadoop.hbase.testclassification.IOTests;
+<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong>
org.apache.hadoop.hbase.testclassification.SmallTests;
+<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong>
org.junit.After;
+<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong>
org.junit.Before;
+<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong>
org.junit.Test;
+<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong>
org.junit.experimental.categories.Category;
+<a class="jxr_linenumber" name="35" href="#35">35</a>  
+<a class="jxr_linenumber" name="36" href="#36">36</a>  @Category({ IOTests.<strong
class="jxr_keyword">class</strong>, SmallTests.<strong class="jxr_keyword">class</strong>
})
+<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/io/TestBoundedByteBufferPool.html">TestBoundedByteBufferPool</a>
{
+<a class="jxr_linenumber" name="38" href="#38">38</a>    <strong class="jxr_keyword">final</strong>
<strong class="jxr_keyword">int</strong> maxByteBufferSizeToCache = 10;
+<a class="jxr_linenumber" name="39" href="#39">39</a>    <strong class="jxr_keyword">final</strong>
<strong class="jxr_keyword">int</strong> initialByteBufferSize = 1;
+<a class="jxr_linenumber" name="40" href="#40">40</a>    <strong class="jxr_keyword">final</strong>
<strong class="jxr_keyword">int</strong> maxToCache = 10;
+<a class="jxr_linenumber" name="41" href="#41">41</a>    BoundedByteBufferPool
reservoir;
+<a class="jxr_linenumber" name="42" href="#42">42</a>  
+<a class="jxr_linenumber" name="43" href="#43">43</a>    @Before
+<a class="jxr_linenumber" name="44" href="#44">44</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> before() {
+<a class="jxr_linenumber" name="45" href="#45">45</a>      <strong class="jxr_keyword">this</strong>.reservoir
=
+<a class="jxr_linenumber" name="46" href="#46">46</a>        <strong class="jxr_keyword">new</strong>
BoundedByteBufferPool(maxByteBufferSizeToCache, initialByteBufferSize, maxToCache);
+<a class="jxr_linenumber" name="47" href="#47">47</a>    }
+<a class="jxr_linenumber" name="48" href="#48">48</a>  
+<a class="jxr_linenumber" name="49" href="#49">49</a>    @After
+<a class="jxr_linenumber" name="50" href="#50">50</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> after() {
+<a class="jxr_linenumber" name="51" href="#51">51</a>      <strong class="jxr_keyword">this</strong>.reservoir
= <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="52" href="#52">52</a>    }
+<a class="jxr_linenumber" name="53" href="#53">53</a>  
+<a class="jxr_linenumber" name="54" href="#54">54</a>    @Test
+<a class="jxr_linenumber" name="55" href="#55">55</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> testEquivalence() {
+<a class="jxr_linenumber" name="56" href="#56">56</a>      ByteBuffer bb = ByteBuffer.allocate(1);
+<a class="jxr_linenumber" name="57" href="#57">57</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(bb);
+<a class="jxr_linenumber" name="58" href="#58">58</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(bb);
+<a class="jxr_linenumber" name="59" href="#59">59</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(bb);
+<a class="jxr_linenumber" name="60" href="#60">60</a>      assertEquals(3, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
+<a class="jxr_linenumber" name="61" href="#61">61</a>    }
+<a class="jxr_linenumber" name="62" href="#62">62</a>  
+<a class="jxr_linenumber" name="63" href="#63">63</a>    @Test
+<a class="jxr_linenumber" name="64" href="#64">64</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> testGetPut() {
+<a class="jxr_linenumber" name="65" href="#65">65</a>      ByteBuffer bb = <strong
class="jxr_keyword">this</strong>.reservoir.getBuffer();
+<a class="jxr_linenumber" name="66" href="#66">66</a>      assertEquals(initialByteBufferSize,
bb.capacity());
+<a class="jxr_linenumber" name="67" href="#67">67</a>      assertEquals(0, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
+<a class="jxr_linenumber" name="68" href="#68">68</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(bb);
+<a class="jxr_linenumber" name="69" href="#69">69</a>      assertEquals(1, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
+<a class="jxr_linenumber" name="70" href="#70">70</a>      <em class="jxr_comment">//
Now remove a buffer and don't put it back so reservoir is empty.</em>
+<a class="jxr_linenumber" name="71" href="#71">71</a>      <strong class="jxr_keyword">this</strong>.reservoir.getBuffer();
+<a class="jxr_linenumber" name="72" href="#72">72</a>      assertEquals(0, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
+<a class="jxr_linenumber" name="73" href="#73">73</a>      <em class="jxr_comment">//
Try adding in a buffer with a bigger-than-initial size and see if our runningAverage works.</em>
+<a class="jxr_linenumber" name="74" href="#74">74</a>      <em class="jxr_comment">//
Need to add then remove, then get a new bytebuffer so reservoir internally is doing</em>
+<a class="jxr_linenumber" name="75" href="#75">75</a>      <em class="jxr_comment">//
allocation</em>
+<a class="jxr_linenumber" name="76" href="#76">76</a>      <strong class="jxr_keyword">final</strong>
<strong class="jxr_keyword">int</strong> newCapacity = 2;
+<a class="jxr_linenumber" name="77" href="#77">77</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(ByteBuffer.allocate(newCapacity));
+<a class="jxr_linenumber" name="78" href="#78">78</a>      assertEquals(1, reservoir.getQueueSize());
+<a class="jxr_linenumber" name="79" href="#79">79</a>      <strong class="jxr_keyword">this</strong>.reservoir.getBuffer();
 <a class="jxr_linenumber" name="80" href="#80">80</a>      assertEquals(0, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
-<a class="jxr_linenumber" name="81" href="#81">81</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(ByteBuffer.allocate(maxByteBufferSizeToCache
* 2));
-<a class="jxr_linenumber" name="82" href="#82">82</a>      assertEquals(0, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
-<a class="jxr_linenumber" name="83" href="#83">83</a>      <em class="jxr_comment">//
Assert we can't add more than max allowed instances.</em>
-<a class="jxr_linenumber" name="84" href="#84">84</a>      <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; maxToCache; i++) {
-<a class="jxr_linenumber" name="85" href="#85">85</a>        <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(ByteBuffer.allocate(initialByteBufferSize));
-<a class="jxr_linenumber" name="86" href="#86">86</a>      }
-<a class="jxr_linenumber" name="87" href="#87">87</a>      assertEquals(maxToCache,
<strong class="jxr_keyword">this</strong>.reservoir.getQueueSize());
-<a class="jxr_linenumber" name="88" href="#88">88</a>    }
-<a class="jxr_linenumber" name="89" href="#89">89</a>  
-<a class="jxr_linenumber" name="90" href="#90">90</a>    @Test
-<a class="jxr_linenumber" name="91" href="#91">91</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> testBufferSizeGrowWithMultiThread()
<strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="92" href="#92">92</a>      <strong class="jxr_keyword">final</strong>
ConcurrentLinkedDeque&lt;ByteBuffer&gt; bufferQueue = <strong class="jxr_keyword">new</strong>
ConcurrentLinkedDeque&lt;ByteBuffer&gt;();
-<a class="jxr_linenumber" name="93" href="#93">93</a>      <strong class="jxr_keyword">int</strong>
takeBufferThreadsCount = 30;
-<a class="jxr_linenumber" name="94" href="#94">94</a>      <strong class="jxr_keyword">int</strong>
putBufferThreadsCount = 1;
-<a class="jxr_linenumber" name="95" href="#95">95</a>      Thread takeBufferThreads[]
= <strong class="jxr_keyword">new</strong> Thread[takeBufferThreadsCount];
-<a class="jxr_linenumber" name="96" href="#96">96</a>      <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; takeBufferThreadsCount;
i++) {
-<a class="jxr_linenumber" name="97" href="#97">97</a>        takeBufferThreads[i]
= <strong class="jxr_keyword">new</strong> Thread(<strong class="jxr_keyword">new</strong>
Runnable() {
-<a class="jxr_linenumber" name="98" href="#98">98</a>          @Override
-<a class="jxr_linenumber" name="99" href="#99">99</a>          <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> run() {
-<a class="jxr_linenumber" name="100" href="#100">100</a>           <strong
class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>)
{
-<a class="jxr_linenumber" name="101" href="#101">101</a>             ByteBuffer
buffer = reservoir.getBuffer();
-<a class="jxr_linenumber" name="102" href="#102">102</a>             <strong
class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="103" href="#103">103</a>               Thread.sleep(5);
-<a class="jxr_linenumber" name="104" href="#104">104</a>             } <strong
class="jxr_keyword">catch</strong> (InterruptedException e) {
-<a class="jxr_linenumber" name="105" href="#105">105</a>               <strong
class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="106" href="#106">106</a>             }
-<a class="jxr_linenumber" name="107" href="#107">107</a>             bufferQueue.offer(buffer);
-<a class="jxr_linenumber" name="108" href="#108">108</a>             <strong
class="jxr_keyword">if</strong> (Thread.currentThread().isInterrupted()) <strong
class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="109" href="#109">109</a>           }
-<a class="jxr_linenumber" name="110" href="#110">110</a>         }
-<a class="jxr_linenumber" name="111" href="#111">111</a>       });
-<a class="jxr_linenumber" name="112" href="#112">112</a>     }
-<a class="jxr_linenumber" name="113" href="#113">113</a> 
-<a class="jxr_linenumber" name="114" href="#114">114</a>     Thread putBufferThread[]
= <strong class="jxr_keyword">new</strong> Thread[putBufferThreadsCount];
-<a class="jxr_linenumber" name="115" href="#115">115</a>     <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; putBufferThreadsCount;
i++) {
-<a class="jxr_linenumber" name="116" href="#116">116</a>       putBufferThread[i]
= <strong class="jxr_keyword">new</strong> Thread(<strong class="jxr_keyword">new</strong>
Runnable() {
-<a class="jxr_linenumber" name="117" href="#117">117</a>         @Override
-<a class="jxr_linenumber" name="118" href="#118">118</a>         <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> run() {
-<a class="jxr_linenumber" name="119" href="#119">119</a>           <strong
class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>)
{
-<a class="jxr_linenumber" name="120" href="#120">120</a>             ByteBuffer
buffer = bufferQueue.poll();
-<a class="jxr_linenumber" name="121" href="#121">121</a>             <strong
class="jxr_keyword">if</strong> (buffer != <strong class="jxr_keyword">null</strong>)
{
-<a class="jxr_linenumber" name="122" href="#122">122</a>               reservoir.putBuffer(buffer);
-<a class="jxr_linenumber" name="123" href="#123">123</a>             }
-<a class="jxr_linenumber" name="124" href="#124">124</a>             <strong
class="jxr_keyword">if</strong> (Thread.currentThread().isInterrupted()) <strong
class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="125" href="#125">125</a>           }
-<a class="jxr_linenumber" name="126" href="#126">126</a>         }
-<a class="jxr_linenumber" name="127" href="#127">127</a>       });
-<a class="jxr_linenumber" name="128" href="#128">128</a>     }
-<a class="jxr_linenumber" name="129" href="#129">129</a> 
-<a class="jxr_linenumber" name="130" href="#130">130</a>     <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; takeBufferThreadsCount;
i++) {
-<a class="jxr_linenumber" name="131" href="#131">131</a>       takeBufferThreads[i].start();
+<a class="jxr_linenumber" name="81" href="#81">81</a>      bb = <strong class="jxr_keyword">this</strong>.reservoir.getBuffer();
+<a class="jxr_linenumber" name="82" href="#82">82</a>      assertEquals(newCapacity,
bb.capacity());
+<a class="jxr_linenumber" name="83" href="#83">83</a>      <em class="jxr_comment">//
Assert that adding a too-big buffer won't happen</em>
+<a class="jxr_linenumber" name="84" href="#84">84</a>      assertEquals(0, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
+<a class="jxr_linenumber" name="85" href="#85">85</a>      <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(ByteBuffer.allocate(maxByteBufferSizeToCache
* 2));
+<a class="jxr_linenumber" name="86" href="#86">86</a>      assertEquals(0, <strong
class="jxr_keyword">this</strong>.reservoir.getQueueSize());
+<a class="jxr_linenumber" name="87" href="#87">87</a>      <em class="jxr_comment">//
Assert we can't add more than max allowed instances.</em>
+<a class="jxr_linenumber" name="88" href="#88">88</a>      <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; maxToCache; i++) {
+<a class="jxr_linenumber" name="89" href="#89">89</a>        <strong class="jxr_keyword">this</strong>.reservoir.putBuffer(ByteBuffer.allocate(initialByteBufferSize));
+<a class="jxr_linenumber" name="90" href="#90">90</a>      }
+<a class="jxr_linenumber" name="91" href="#91">91</a>      assertEquals(maxToCache,
<strong class="jxr_keyword">this</strong>.reservoir.getQueueSize());
+<a class="jxr_linenumber" name="92" href="#92">92</a>    }
+<a class="jxr_linenumber" name="93" href="#93">93</a>  
+<a class="jxr_linenumber" name="94" href="#94">94</a>    @Test
+<a class="jxr_linenumber" name="95" href="#95">95</a>    <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> testBufferSizeGrowWithMultiThread()
<strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="96" href="#96">96</a>      <strong class="jxr_keyword">final</strong>
ConcurrentLinkedDeque&lt;ByteBuffer&gt; bufferQueue = <strong class="jxr_keyword">new</strong>
ConcurrentLinkedDeque&lt;ByteBuffer&gt;();
+<a class="jxr_linenumber" name="97" href="#97">97</a>      <strong class="jxr_keyword">int</strong>
takeBufferThreadsCount = 30;
+<a class="jxr_linenumber" name="98" href="#98">98</a>      <strong class="jxr_keyword">int</strong>
putBufferThreadsCount = 1;
+<a class="jxr_linenumber" name="99" href="#99">99</a>      Thread takeBufferThreads[]
= <strong class="jxr_keyword">new</strong> Thread[takeBufferThreadsCount];
+<a class="jxr_linenumber" name="100" href="#100">100</a>     <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; takeBufferThreadsCount;
i++) {
+<a class="jxr_linenumber" name="101" href="#101">101</a>       takeBufferThreads[i]
= <strong class="jxr_keyword">new</strong> Thread(<strong class="jxr_keyword">new</strong>
Runnable() {
+<a class="jxr_linenumber" name="102" href="#102">102</a>         @Override
+<a class="jxr_linenumber" name="103" href="#103">103</a>         <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> run() {
+<a class="jxr_linenumber" name="104" href="#104">104</a>           <strong
class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>)
{
+<a class="jxr_linenumber" name="105" href="#105">105</a>             ByteBuffer
buffer = reservoir.getBuffer();
+<a class="jxr_linenumber" name="106" href="#106">106</a>             <strong
class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="107" href="#107">107</a>               Thread.sleep(5);
+<a class="jxr_linenumber" name="108" href="#108">108</a>             } <strong
class="jxr_keyword">catch</strong> (InterruptedException e) {
+<a class="jxr_linenumber" name="109" href="#109">109</a>               <strong
class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="110" href="#110">110</a>             }
+<a class="jxr_linenumber" name="111" href="#111">111</a>             bufferQueue.offer(buffer);
+<a class="jxr_linenumber" name="112" href="#112">112</a>             <strong
class="jxr_keyword">if</strong> (Thread.currentThread().isInterrupted()) <strong
class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="113" href="#113">113</a>           }
+<a class="jxr_linenumber" name="114" href="#114">114</a>         }
+<a class="jxr_linenumber" name="115" href="#115">115</a>       });
+<a class="jxr_linenumber" name="116" href="#116">116</a>     }
+<a class="jxr_linenumber" name="117" href="#117">117</a> 
+<a class="jxr_linenumber" name="118" href="#118">118</a>     Thread putBufferThread[]
= <strong class="jxr_keyword">new</strong> Thread[putBufferThreadsCount];
+<a class="jxr_linenumber" name="119" href="#119">119</a>     <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; putBufferThreadsCount;
i++) {
+<a class="jxr_linenumber" name="120" href="#120">120</a>       putBufferThread[i]
= <strong class="jxr_keyword">new</strong> Thread(<strong class="jxr_keyword">new</strong>
Runnable() {
+<a class="jxr_linenumber" name="121" href="#121">121</a>         @Override
+<a class="jxr_linenumber" name="122" href="#122">122</a>         <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> run() {
+<a class="jxr_linenumber" name="123" href="#123">123</a>           <strong
class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>)
{
+<a class="jxr_linenumber" name="124" href="#124">124</a>             ByteBuffer
buffer = bufferQueue.poll();
+<a class="jxr_linenumber" name="125" href="#125">125</a>             <strong
class="jxr_keyword">if</strong> (buffer != <strong class="jxr_keyword">null</strong>)
{
+<a class="jxr_linenumber" name="126" href="#126">126</a>               reservoir.putBuffer(buffer);
+<a class="jxr_linenumber" name="127" href="#127">127</a>             }
+<a class="jxr_linenumber" name="128" href="#128">128</a>             <strong
class="jxr_keyword">if</strong> (Thread.currentThread().isInterrupted()) <strong
class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="129" href="#129">129</a>           }
+<a class="jxr_linenumber" name="130" href="#130">130</a>         }
+<a class="jxr_linenumber" name="131" href="#131">131</a>       });
 <a class="jxr_linenumber" name="132" href="#132">132</a>     }
-<a class="jxr_linenumber" name="133" href="#133">133</a>     <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; putBufferThreadsCount;
i++) {
-<a class="jxr_linenumber" name="134" href="#134">134</a>       putBufferThread[i].start();
-<a class="jxr_linenumber" name="135" href="#135">135</a>     }
-<a class="jxr_linenumber" name="136" href="#136">136</a>     Thread.sleep(2 *
1000);<em class="jxr_comment">// Let the threads run for 2 secs</em>
-<a class="jxr_linenumber" name="137" href="#137">137</a>     <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; takeBufferThreadsCount;
i++) {
-<a class="jxr_linenumber" name="138" href="#138">138</a>       takeBufferThreads[i].interrupt();
-<a class="jxr_linenumber" name="139" href="#139">139</a>       takeBufferThreads[i].join();
-<a class="jxr_linenumber" name="140" href="#140">140</a>     }
-<a class="jxr_linenumber" name="141" href="#141">141</a>     <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; putBufferThreadsCount;
i++) {
-<a class="jxr_linenumber" name="142" href="#142">142</a>       putBufferThread[i].interrupt();
-<a class="jxr_linenumber" name="143" href="#143">143</a>       putBufferThread[i].join();
+<a class="jxr_linenumber" name="133" href="#133">133</a> 
+<a class="jxr_linenumber" name="134" href="#134">134</a>     <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; takeBufferThreadsCount;
i++) {
+<a class="jxr_linenumber" name="135" href="#135">135</a>       takeBufferThreads[i].start();
+<a class="jxr_linenumber" name="136" href="#136">136</a>     }
+<a class="jxr_linenumber" name="137" href="#137">137</a>     <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; putBufferThreadsCount;
i++) {
+<a class="jxr_linenumber" name="138" href="#138">138</a>       putBufferThread[i].start();
+<a class="jxr_linenumber" name="139" href="#139">139</a>     }
+<a class="jxr_linenumber" name="140" href="#140">140</a>     Thread.sleep(2 *
1000);<em class="jxr_comment">// Let the threads run for 2 secs</em>
+<a class="jxr_linenumber" name="141" href="#141">141</a>     <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; takeBufferThreadsCount;
i++) {
+<a class="jxr_linenumber" name="142" href="#142">142</a>       takeBufferThreads[i].interrupt();
+<a class="jxr_linenumber" name="143" href="#143">143</a>       takeBufferThreads[i].join();
 <a class="jxr_linenumber" name="144" href="#144">144</a>     }
-<a class="jxr_linenumber" name="145" href="#145">145</a>     <em class="jxr_comment">//
None of the BBs we got from pool is growing while in use. So we should not change the</em>
-<a class="jxr_linenumber" name="146" href="#146">146</a>     <em class="jxr_comment">//
runningAverage in pool</em>
-<a class="jxr_linenumber" name="147" href="#147">147</a>     assertEquals(initialByteBufferSize,
<strong class="jxr_keyword">this</strong>.reservoir.getRunningAverage());
-<a class="jxr_linenumber" name="148" href="#148">148</a>   }
-<a class="jxr_linenumber" name="149" href="#149">149</a> }
+<a class="jxr_linenumber" name="145" href="#145">145</a>     <strong class="jxr_keyword">for</strong>
(<strong class="jxr_keyword">int</strong> i = 0; i &lt; putBufferThreadsCount;
i++) {
+<a class="jxr_linenumber" name="146" href="#146">146</a>       putBufferThread[i].interrupt();
+<a class="jxr_linenumber" name="147" href="#147">147</a>       putBufferThread[i].join();
+<a class="jxr_linenumber" name="148" href="#148">148</a>     }
+<a class="jxr_linenumber" name="149" href="#149">149</a>     <em class="jxr_comment">//
None of the BBs we got from pool is growing while in use. So we should not change the</em>
+<a class="jxr_linenumber" name="150" href="#150">150</a>     <em class="jxr_comment">//
runningAverage in pool</em>
+<a class="jxr_linenumber" name="151" href="#151">151</a>     assertEquals(initialByteBufferSize,
<strong class="jxr_keyword">this</strong>.reservoir.getRunningAverage());
+<a class="jxr_linenumber" name="152" href="#152">152</a>   }
+<a class="jxr_linenumber" name="153" href="#153">153</a> 
+<a class="jxr_linenumber" name="154" href="#154">154</a>   @Test
+<a class="jxr_linenumber" name="155" href="#155">155</a>   <strong class="jxr_keyword">public</strong>
<strong class="jxr_keyword">void</strong> testStateConversionMethods() {
+<a class="jxr_linenumber" name="156" href="#156">156</a>     <strong class="jxr_keyword">int</strong>
countOfBuffers = 123;
+<a class="jxr_linenumber" name="157" href="#157">157</a>     <strong class="jxr_keyword">int</strong>
totalCapacity = 456;
+<a class="jxr_linenumber" name="158" href="#158">158</a> 
+<a class="jxr_linenumber" name="159" href="#159">159</a>     <strong class="jxr_keyword">long</strong>
state = toState(countOfBuffers, totalCapacity);
+<a class="jxr_linenumber" name="160" href="#160">160</a>     assertEquals(countOfBuffers,
toCountOfBuffers(state));
+<a class="jxr_linenumber" name="161" href="#161">161</a>     assertEquals(totalCapacity,
toTotalCapacity(state));
+<a class="jxr_linenumber" name="162" href="#162">162</a> 
+<a class="jxr_linenumber" name="163" href="#163">163</a>     <strong class="jxr_keyword">long</strong>
state2 = subtractOneBufferFromState(state, 7);
+<a class="jxr_linenumber" name="164" href="#164">164</a>     assertEquals(countOfBuffers
- 1, toCountOfBuffers(state2));
+<a class="jxr_linenumber" name="165" href="#165">165</a>     assertEquals(totalCapacity
- 7, toTotalCapacity(state2));
+<a class="jxr_linenumber" name="166" href="#166">166</a>   }
+<a class="jxr_linenumber" name="167" href="#167">167</a> }
 </pre>
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