http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/3a40a657/xref/org/apache/omid/transaction/CellUtils.html ---------------------------------------------------------------------- diff --git a/xref/org/apache/omid/transaction/CellUtils.html b/xref/org/apache/omid/transaction/CellUtils.html index 2c3cf78..f416c60 100644 --- a/xref/org/apache/omid/transaction/CellUtils.html +++ b/xref/org/apache/omid/transaction/CellUtils.html @@ -8,23 +8,23 @@ <body> <div id="overview"><a href="../../../../../../target/site/apidocs/org/apache/omid/transaction/CellUtils.html">View Javadoc</a></div><pre> -<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_javadoccomment"> * Licensed to the Apache Software Foundation (ASF) under one</em> -<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_javadoccomment"> * or more contributor license agreements. See the NOTICE file</em> -<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_javadoccomment"> * distributed with this work for additional information</em> -<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_javadoccomment"> * regarding copyright ownership. The ASF licenses this file</em> -<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_javadoccomment"> * to you under the Apache License, Version 2.0 (the</em> -<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_javadoccomment"> * "License"); you may not use this file except in compliance</em> -<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_javadoccomment"> * with the License. You may obtain a copy of the License at</em> -<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_javadoccomment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0"; target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em> -<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_javadoccomment"> * Unless required by applicable law or agreed to in writing, software</em> -<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_javadoccomment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> -<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_javadoccomment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> -<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_javadoccomment"> * See the License for the specific language governing permissions and</em> -<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_javadoccomment"> * limitations under the License.</em> -<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em> +<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> +<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> +<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> +<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> +<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> +<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> +<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> +<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> *</em> +<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0"; target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em> +<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> *</em> +<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em> +<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> +<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> +<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em> +<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> * limitations under the License.</em> +<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_comment"> */</em> <a class="jxr_linenumber" name="18" href="#18">18</a> <strong class="jxr_keyword">package</strong> org.apache.omid.transaction; <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> com.google.common.base.Charsets; @@ -69,351 +69,345 @@ <a class="jxr_linenumber" name="59" href="#59">59</a> <a class="jxr_linenumber" name="60" href="#60">60</a> <em class="jxr_javadoccomment">/**</em> <a class="jxr_linenumber" name="61" href="#61">61</a> <em class="jxr_javadoccomment"> * Returns true if the particular cell passed exists in the datastore.</em> -<a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * @return true if the cell specified exists. false otherwise</em> -<a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * @throws IOException</em> -<a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> hasCell(byte[] row, -<a class="jxr_linenumber" name="66" href="#66">66</a> byte[] family, -<a class="jxr_linenumber" name="67" href="#67">67</a> byte[] qualifier, -<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">long</strong> version, -<a class="jxr_linenumber" name="69" href="#69">69</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellGetter</a> cellGetter) -<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">throws</strong> IOException { -<a class="jxr_linenumber" name="71" href="#71">71</a> Get get = <strong class="jxr_keyword">new</strong> Get(row); -<a class="jxr_linenumber" name="72" href="#72">72</a> get.addColumn(family, qualifier); -<a class="jxr_linenumber" name="73" href="#73">73</a> get.setTimeStamp(version); -<a class="jxr_linenumber" name="74" href="#74">74</a> -<a class="jxr_linenumber" name="75" href="#75">75</a> Result result = cellGetter.get(get); -<a class="jxr_linenumber" name="76" href="#76">76</a> -<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">return</strong> result.containsColumn(family, qualifier); -<a class="jxr_linenumber" name="78" href="#78">78</a> } +<a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * @param row row</em> +<a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * @param family column family</em> +<a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment"> * @param qualifier columnn name</em> +<a class="jxr_linenumber" name="65" href="#65">65</a> <em class="jxr_javadoccomment"> * @param version version</em> +<a class="jxr_linenumber" name="66" href="#66">66</a> <em class="jxr_javadoccomment"> * @param cellGetter an instance of CellGetter</em> +<a class="jxr_linenumber" name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * @return true if the cell specified exists. false otherwise</em> +<a class="jxr_linenumber" name="68" href="#68">68</a> <em class="jxr_javadoccomment"> * @throws IOException</em> +<a class="jxr_linenumber" name="69" href="#69">69</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> hasCell(byte[] row, +<a class="jxr_linenumber" name="71" href="#71">71</a> byte[] family, +<a class="jxr_linenumber" name="72" href="#72">72</a> byte[] qualifier, +<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">long</strong> version, +<a class="jxr_linenumber" name="74" href="#74">74</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellGetter</a> cellGetter) +<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">throws</strong> IOException { +<a class="jxr_linenumber" name="76" href="#76">76</a> Get get = <strong class="jxr_keyword">new</strong> Get(row); +<a class="jxr_linenumber" name="77" href="#77">77</a> get.addColumn(family, qualifier); +<a class="jxr_linenumber" name="78" href="#78">78</a> get.setTimeStamp(version); <a class="jxr_linenumber" name="79" href="#79">79</a> -<a class="jxr_linenumber" name="80" href="#80">80</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="81" href="#81">81</a> <em class="jxr_javadoccomment"> * Returns true if the particular cell passed has a corresponding shadow cell in the datastore.</em> -<a class="jxr_linenumber" name="82" href="#82">82</a> <em class="jxr_javadoccomment"> * @return true if it has a shadow cell. false otherwise.</em> -<a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_javadoccomment"> * @throws IOException</em> -<a class="jxr_linenumber" name="84" href="#84">84</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> hasShadowCell(byte[] row, -<a class="jxr_linenumber" name="86" href="#86">86</a> byte[] family, -<a class="jxr_linenumber" name="87" href="#87">87</a> byte[] qualifier, -<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">long</strong> version, -<a class="jxr_linenumber" name="89" href="#89">89</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellGetter</a> cellGetter) <strong class="jxr_keyword">throws</strong> IOException { -<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">return</strong> hasCell(row, family, addShadowCellSuffix(qualifier), -<a class="jxr_linenumber" name="91" href="#91">91</a> version, cellGetter); -<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> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * Builds a new qualifier composed of the HBase qualifier passed + the shadow cell suffix.</em> -<a class="jxr_linenumber" name="96" href="#96">96</a> <em class="jxr_javadoccomment"> * @param qualifierArray</em> -<a class="jxr_linenumber" name="97" href="#97">97</a> <em class="jxr_javadoccomment"> * the qualifier to be suffixed</em> -<a class="jxr_linenumber" name="98" href="#98">98</a> <em class="jxr_javadoccomment"> * @param qualOffset</em> -<a class="jxr_linenumber" name="99" href="#99">99</a> <em class="jxr_javadoccomment"> * the offset where the qualifier starts</em> -<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * @param qualLength</em> -<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment"> * the qualifier length</em> -<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment"> * @return the suffixed qualifier</em> -<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="104" href="#104">104</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] addShadowCellSuffix(byte[] qualifierArray, <strong class="jxr_keyword">int</strong> qualOffset, <strong class="jxr_keyword">int</strong> qualLength) { -<a class="jxr_linenumber" name="105" href="#105">105</a> byte[] result = <strong class="jxr_keyword">new</strong> byte[qualLength + SHADOW_CELL_SUFFIX.length]; -<a class="jxr_linenumber" name="106" href="#106">106</a> System.arraycopy(qualifierArray, qualOffset, result, 0, qualLength); -<a class="jxr_linenumber" name="107" href="#107">107</a> System.arraycopy(SHADOW_CELL_SUFFIX, 0, result, qualLength, SHADOW_CELL_SUFFIX.length); -<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">return</strong> result; -<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> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment"> * Builds a new qualifier composed of the HBase qualifier passed + the shadow cell suffix.</em> -<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * Contains a reduced signature to avoid boilerplate code in client side.</em> -<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment"> * @param qualifier</em> -<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment"> * the qualifier to be suffixed</em> -<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment"> * @return the suffixed qualifier</em> -<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] addShadowCellSuffix(byte[] qualifier) { -<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">return</strong> addShadowCellSuffix(qualifier, 0, qualifier.length); -<a class="jxr_linenumber" name="120" href="#120">120</a> } -<a class="jxr_linenumber" name="121" href="#121">121</a> -<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment"> * Builds a new qualifier removing the shadow cell suffix from the</em> -<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * passed HBase qualifier.</em> -<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * @param qualifier</em> -<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment"> * the qualifier to remove the suffix from</em> -<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment"> * @param qualOffset</em> -<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment"> * the offset where the qualifier starts</em> -<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment"> * @param qualLength</em> -<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment"> * the qualifier length</em> -<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment"> * @return the new qualifier without the suffix</em> -<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] removeShadowCellSuffix(byte[] qualifier, <strong class="jxr_keyword">int</strong> qualOffset, <strong class="jxr_keyword">int</strong> qualLength) { -<a class="jxr_linenumber" name="134" href="#134">134</a> -<a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">if</strong> (endsWith(qualifier, qualOffset, qualLength, SHADOW_CELL_SUFFIX)) { -<a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">return</strong> Arrays.copyOfRange(qualifier, -<a class="jxr_linenumber" name="137" href="#137">137</a> qualOffset, -<a class="jxr_linenumber" name="138" href="#138">138</a> qualOffset + (qualLength - SHADOW_CELL_SUFFIX.length)); -<a class="jxr_linenumber" name="139" href="#139">139</a> } -<a class="jxr_linenumber" name="140" href="#140">140</a> -<a class="jxr_linenumber" name="141" href="#141">141</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( -<a class="jxr_linenumber" name="142" href="#142">142</a> <span class="jxr_string">"Can't find shadow cell suffix in qualifier "</span> -<a class="jxr_linenumber" name="143" href="#143">143</a> + Bytes.toString(qualifier)); -<a class="jxr_linenumber" name="144" href="#144">144</a> } -<a class="jxr_linenumber" name="145" href="#145">145</a> -<a class="jxr_linenumber" name="146" href="#146">146</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="147" href="#147">147</a> <em class="jxr_javadoccomment"> * Returns the qualifier length removing the shadow cell suffix. In case that que suffix is not found,</em> -<a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_javadoccomment"> * just returns the length of the qualifier passed.</em> -<a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_javadoccomment"> * @param qualifier</em> -<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment"> * the qualifier to remove the suffix from</em> -<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment"> * @param qualOffset</em> -<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment"> * the offset where the qualifier starts</em> -<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment"> * @param qualLength</em> -<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment"> * the qualifier length</em> -<a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_javadoccomment"> * @return the qualifier length without the suffix</em> -<a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> qualifierLengthFromShadowCellQualifier(byte[] qualifier, <strong class="jxr_keyword">int</strong> qualOffset, <strong class="jxr_keyword">int</strong> qualLength) { -<a class="jxr_linenumber" name="158" href="#158">158</a> -<a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">if</strong> (endsWith(qualifier, qualOffset, qualLength, SHADOW_CELL_SUFFIX)) { -<a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">return</strong> qualLength - SHADOW_CELL_SUFFIX.length; -<a class="jxr_linenumber" name="161" href="#161">161</a> } -<a class="jxr_linenumber" name="162" href="#162">162</a> -<a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">return</strong> qualLength; -<a class="jxr_linenumber" name="164" href="#164">164</a> -<a class="jxr_linenumber" name="165" href="#165">165</a> } -<a class="jxr_linenumber" name="166" href="#166">166</a> -<a class="jxr_linenumber" name="167" href="#167">167</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="168" href="#168">168</a> <em class="jxr_javadoccomment"> * Complement to matchingQualifier() methods in HBase's CellUtil.class</em> -<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment"> * @param left</em> -<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment"> * the cell to compare the qualifier</em> -<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment"> * @param qualArray</em> -<a class="jxr_linenumber" name="172" href="#172">172</a> <em class="jxr_javadoccomment"> * the explicit qualifier array passed</em> -<a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_javadoccomment"> * @param qualOffset</em> -<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment"> * the explicit qualifier offset passed</em> -<a class="jxr_linenumber" name="175" href="#175">175</a> <em class="jxr_javadoccomment"> * @param qualLen</em> -<a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_javadoccomment"> * the explicit qualifier length passed</em> -<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment"> * @return whether the qualifiers are equal or not</em> -<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="179" href="#179">179</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> matchingQualifier(<strong class="jxr_keyword">final</strong> Cell left, <strong class="jxr_keyword">final</strong> byte[] qualArray, <strong class="jxr_keyword">int</strong> qualOffset, <strong class="jxr_keyword">int</strong> qualLen) { -<a class="jxr_linenumber" name="180" href="#180">180</a> <strong class="jxr_keyword">return</strong> Bytes.equals(left.getQualifierArray(), left.getQualifierOffset(), left.getQualifierLength(), -<a class="jxr_linenumber" name="181" href="#181">181</a> qualArray, qualOffset, qualLen); -<a class="jxr_linenumber" name="182" href="#182">182</a> } -<a class="jxr_linenumber" name="183" href="#183">183</a> -<a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="185" href="#185">185</a> <em class="jxr_javadoccomment"> * Check that the cell passed meets the requirements for a valid cell identifier with Omid. Basically, users can't:</em> -<a class="jxr_linenumber" name="186" href="#186">186</a> <em class="jxr_javadoccomment"> * 1) specify a timestamp</em> -<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_javadoccomment"> * 2) use a particular suffix in the qualifier</em> -<a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="189" href="#189">189</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> validateCell(Cell cell, <strong class="jxr_keyword">long</strong> startTimestamp) { -<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_comment">// Throw exception if timestamp is set by the user</em> -<a class="jxr_linenumber" name="191" href="#191">191</a> <strong class="jxr_keyword">if</strong> (cell.getTimestamp() != HConstants.LATEST_TIMESTAMP -<a class="jxr_linenumber" name="192" href="#192">192</a> && cell.getTimestamp() != startTimestamp) { -<a class="jxr_linenumber" name="193" href="#193">193</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( -<a class="jxr_linenumber" name="194" href="#194">194</a> <span class="jxr_string">"Timestamp not allowed in transactional user operations"</span>); -<a class="jxr_linenumber" name="195" href="#195">195</a> } -<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_comment">// Throw exception if using a non-allowed qualifier</em> -<a class="jxr_linenumber" name="197" href="#197">197</a> <strong class="jxr_keyword">if</strong> (isShadowCell(cell)) { -<a class="jxr_linenumber" name="198" href="#198">198</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( -<a class="jxr_linenumber" name="199" href="#199">199</a> <span class="jxr_string">"Reserved string used in column qualifier"</span>); -<a class="jxr_linenumber" name="200" href="#200">200</a> } -<a class="jxr_linenumber" name="201" href="#201">201</a> } -<a class="jxr_linenumber" name="202" href="#202">202</a> -<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment"> * Returns whether a cell contains a qualifier that is a shadow cell</em> -<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment"> * column qualifier or not.</em> -<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_javadoccomment"> * @param cell</em> -<a class="jxr_linenumber" name="207" href="#207">207</a> <em class="jxr_javadoccomment"> * the cell to check if contains the shadow cell qualifier</em> -<a class="jxr_linenumber" name="208" href="#208">208</a> <em class="jxr_javadoccomment"> * @return whether the cell passed contains a shadow cell qualifier or not</em> -<a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="210" href="#210">210</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isShadowCell(Cell cell) { -<a class="jxr_linenumber" name="211" href="#211">211</a> byte[] qualifier = cell.getQualifierArray(); -<a class="jxr_linenumber" name="212" href="#212">212</a> <strong class="jxr_keyword">int</strong> qualOffset = cell.getQualifierOffset(); -<a class="jxr_linenumber" name="213" href="#213">213</a> <strong class="jxr_keyword">int</strong> qualLength = cell.getQualifierLength(); -<a class="jxr_linenumber" name="214" href="#214">214</a> -<a class="jxr_linenumber" name="215" href="#215">215</a> <strong class="jxr_keyword">return</strong> endsWith(qualifier, qualOffset, qualLength, SHADOW_CELL_SUFFIX); -<a class="jxr_linenumber" name="216" href="#216">216</a> } -<a class="jxr_linenumber" name="217" href="#217">217</a> -<a class="jxr_linenumber" name="218" href="#218">218</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> endsWith(byte[] value, <strong class="jxr_keyword">int</strong> offset, <strong class="jxr_keyword">int</strong> length, byte[] suffix) { -<a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">if</strong> (length <= suffix.length) { -<a class="jxr_linenumber" name="220" href="#220">220</a> <strong class="jxr_keyword">return</strong> false; -<a class="jxr_linenumber" name="221" href="#221">221</a> } -<a class="jxr_linenumber" name="222" href="#222">222</a> -<a class="jxr_linenumber" name="223" href="#223">223</a> <strong class="jxr_keyword">int</strong> suffixOffset = offset + length - suffix.length; -<a class="jxr_linenumber" name="224" href="#224">224</a> <strong class="jxr_keyword">int</strong> result = Bytes.compareTo(value, suffixOffset, suffix.length, -<a class="jxr_linenumber" name="225" href="#225">225</a> suffix, 0, suffix.length); -<a class="jxr_linenumber" name="226" href="#226">226</a> <strong class="jxr_keyword">return</strong> result == 0; -<a class="jxr_linenumber" name="227" href="#227">227</a> } -<a class="jxr_linenumber" name="228" href="#228">228</a> -<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_javadoccomment"> * Returns if a cell is marked as a tombstone.</em> -<a class="jxr_linenumber" name="231" href="#231">231</a> <em class="jxr_javadoccomment"> * @param cell</em> -<a class="jxr_linenumber" name="232" href="#232">232</a> <em class="jxr_javadoccomment"> * the cell to check</em> -<a class="jxr_linenumber" name="233" href="#233">233</a> <em class="jxr_javadoccomment"> * @return whether the cell is marked as a tombstone or not</em> -<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="235" href="#235">235</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isTombstone(Cell cell) { -<a class="jxr_linenumber" name="236" href="#236">236</a> <strong class="jxr_keyword">return</strong> CellUtil.matchingValue(cell, DELETE_TOMBSTONE); -<a class="jxr_linenumber" name="237" href="#237">237</a> } -<a class="jxr_linenumber" name="238" href="#238">238</a> -<a class="jxr_linenumber" name="239" href="#239">239</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="240" href="#240">240</a> <em class="jxr_javadoccomment"> * Returns a new shadow cell created from a particular cell.</em> -<a class="jxr_linenumber" name="241" href="#241">241</a> <em class="jxr_javadoccomment"> * @param cell</em> -<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment"> * the cell to reconstruct the shadow cell from.</em> -<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment"> * @param shadowCellValue</em> -<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment"> * the value for the new shadow cell created</em> -<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment"> * @return the brand-new shadow cell</em> -<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="247" href="#247">247</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Cell buildShadowCellFromCell(Cell cell, byte[] shadowCellValue) { -<a class="jxr_linenumber" name="248" href="#248">248</a> byte[] shadowCellQualifier = addShadowCellSuffix(cell.getQualifierArray(), -<a class="jxr_linenumber" name="249" href="#249">249</a> cell.getQualifierOffset(), -<a class="jxr_linenumber" name="250" href="#250">250</a> cell.getQualifierLength()); -<a class="jxr_linenumber" name="251" href="#251">251</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> KeyValue( -<a class="jxr_linenumber" name="252" href="#252">252</a> cell.getRowArray(), cell.getRowOffset(), cell.getRowLength(), -<a class="jxr_linenumber" name="253" href="#253">253</a> cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(), -<a class="jxr_linenumber" name="254" href="#254">254</a> shadowCellQualifier, 0, shadowCellQualifier.length, -<a class="jxr_linenumber" name="255" href="#255">255</a> cell.getTimestamp(), KeyValue.Type.codeToType(cell.getTypeByte()), -<a class="jxr_linenumber" name="256" href="#256">256</a> shadowCellValue, 0, shadowCellValue.length); -<a class="jxr_linenumber" name="257" href="#257">257</a> } -<a class="jxr_linenumber" name="258" href="#258">258</a> -<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment">/**</em> -<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_javadoccomment"> * Analyzes a list of cells, associating the corresponding shadow cell if present.</em> -<a class="jxr_linenumber" name="261" href="#261">261</a> <em class="jxr_javadoccomment"> *</em> -<a class="jxr_linenumber" name="262" href="#262">262</a> <em class="jxr_javadoccomment"> * @param cells</em> -<a class="jxr_linenumber" name="263" href="#263">263</a> <em class="jxr_javadoccomment"> * the list of cells to classify</em> -<a class="jxr_linenumber" name="264" href="#264">264</a> <em class="jxr_javadoccomment"> * @return a sorted map associating each cell with its shadow cell</em> -<a class="jxr_linenumber" name="265" href="#265">265</a> <em class="jxr_javadoccomment"> */</em> -<a class="jxr_linenumber" name="266" href="#266">266</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> SortedMap<Cell, Optional<Cell>> mapCellsToShadowCells(List<Cell> cells) { -<a class="jxr_linenumber" name="267" href="#267">267</a> -<a class="jxr_linenumber" name="268" href="#268">268</a> SortedMap<Cell, Optional<Cell>> cellToShadowCellMap -<a class="jxr_linenumber" name="269" href="#269">269</a> = <strong class="jxr_keyword">new</strong> TreeMap<Cell, Optional<Cell>>(<strong class="jxr_keyword">new</strong> CellComparator()); -<a class="jxr_linenumber" name="270" href="#270">270</a> -<a class="jxr_linenumber" name="271" href="#271">271</a> Map<CellId, Cell> cellIdToCellMap = <strong class="jxr_keyword">new</strong> HashMap<CellId, Cell>(); -<a class="jxr_linenumber" name="272" href="#272">272</a> <strong class="jxr_keyword">for</strong> (Cell cell : cells) { -<a class="jxr_linenumber" name="273" href="#273">273</a> <strong class="jxr_keyword">if</strong> (!isShadowCell(cell)) { -<a class="jxr_linenumber" name="274" href="#274">274</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a> key = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a>(cell, false); -<a class="jxr_linenumber" name="275" href="#275">275</a> <strong class="jxr_keyword">if</strong> (cellIdToCellMap.containsKey(key)) { -<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_comment">// Get the current cell and compare the values</em> -<a class="jxr_linenumber" name="277" href="#277">277</a> Cell storedCell = cellIdToCellMap.get(key); -<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">if</strong> (CellUtil.matchingValue(cell, storedCell)) { -<a class="jxr_linenumber" name="279" href="#279">279</a> <em class="jxr_comment">// TODO: Should we check also here the MVCC and swap if its greater???</em> -<a class="jxr_linenumber" name="280" href="#280">280</a> <em class="jxr_comment">// Values are the same, ignore</em> -<a class="jxr_linenumber" name="281" href="#281">281</a> } <strong class="jxr_keyword">else</strong> { -<a class="jxr_linenumber" name="282" href="#282">282</a> <strong class="jxr_keyword">if</strong> (cell.getMvccVersion() > storedCell.getMvccVersion()) { <em class="jxr_comment">// Swap values</em> -<a class="jxr_linenumber" name="283" href="#283">283</a> Optional<Cell> previousValue = cellToShadowCellMap.remove(storedCell); -<a class="jxr_linenumber" name="284" href="#284">284</a> Preconditions.checkNotNull(previousValue, <span class="jxr_string">"Should contain an Optional<Cell> value"</span>); -<a class="jxr_linenumber" name="285" href="#285">285</a> cellIdToCellMap.put(key, cell); -<a class="jxr_linenumber" name="286" href="#286">286</a> cellToShadowCellMap.put(cell, previousValue); -<a class="jxr_linenumber" name="287" href="#287">287</a> } <strong class="jxr_keyword">else</strong> { -<a class="jxr_linenumber" name="288" href="#288">288</a> LOG.warn(<span class="jxr_string">"Cell {} with an earlier MVCC found. Ignoring..."</span>, cell); -<a class="jxr_linenumber" name="289" href="#289">289</a> } -<a class="jxr_linenumber" name="290" href="#290">290</a> } -<a class="jxr_linenumber" name="291" href="#291">291</a> } <strong class="jxr_keyword">else</strong> { -<a class="jxr_linenumber" name="292" href="#292">292</a> cellIdToCellMap.put(key, cell); -<a class="jxr_linenumber" name="293" href="#293">293</a> cellToShadowCellMap.put(cell, Optional.<Cell>absent()); -<a class="jxr_linenumber" name="294" href="#294">294</a> } -<a class="jxr_linenumber" name="295" href="#295">295</a> } <strong class="jxr_keyword">else</strong> { -<a class="jxr_linenumber" name="296" href="#296">296</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a> key = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a>(cell, <strong class="jxr_keyword">true</strong>); -<a class="jxr_linenumber" name="297" href="#297">297</a> <strong class="jxr_keyword">if</strong> (cellIdToCellMap.containsKey(key)) { -<a class="jxr_linenumber" name="298" href="#298">298</a> Cell originalCell = cellIdToCellMap.get(key); -<a class="jxr_linenumber" name="299" href="#299">299</a> cellToShadowCellMap.put(originalCell, Optional.of(cell)); -<a class="jxr_linenumber" name="300" href="#300">300</a> } <strong class="jxr_keyword">else</strong> { -<a class="jxr_linenumber" name="301" href="#301">301</a> LOG.trace(<span class="jxr_string">"Map does not contain key {}"</span>, key); -<a class="jxr_linenumber" name="302" href="#302">302</a> } -<a class="jxr_linenumber" name="303" href="#303">303</a> } -<a class="jxr_linenumber" name="304" href="#304">304</a> } -<a class="jxr_linenumber" name="305" href="#305">305</a> -<a class="jxr_linenumber" name="306" href="#306">306</a> <strong class="jxr_keyword">return</strong> cellToShadowCellMap; -<a class="jxr_linenumber" name="307" href="#307">307</a> } -<a class="jxr_linenumber" name="308" href="#308">308</a> -<a class="jxr_linenumber" name="309" href="#309">309</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a> { -<a class="jxr_linenumber" name="310" href="#310">310</a> -<a class="jxr_linenumber" name="311" href="#311">311</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> MIN_BITS = 32; -<a class="jxr_linenumber" name="312" href="#312">312</a> -<a class="jxr_linenumber" name="313" href="#313">313</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Cell cell; -<a class="jxr_linenumber" name="314" href="#314">314</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> isShadowCell; -<a class="jxr_linenumber" name="315" href="#315">315</a> -<a class="jxr_linenumber" name="316" href="#316">316</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a>(Cell cell, <strong class="jxr_keyword">boolean</strong> isShadowCell) { -<a class="jxr_linenumber" name="317" href="#317">317</a> -<a class="jxr_linenumber" name="318" href="#318">318</a> <strong class="jxr_keyword">this</strong>.cell = cell; -<a class="jxr_linenumber" name="319" href="#319">319</a> <strong class="jxr_keyword">this</strong>.isShadowCell = isShadowCell; +<a class="jxr_linenumber" name="80" href="#80">80</a> Result result = cellGetter.get(get); +<a class="jxr_linenumber" name="81" href="#81">81</a> +<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">return</strong> result.containsColumn(family, qualifier); +<a class="jxr_linenumber" name="83" href="#83">83</a> } +<a class="jxr_linenumber" name="84" href="#84">84</a> +<a class="jxr_linenumber" name="85" href="#85">85</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="86" href="#86">86</a> <em class="jxr_javadoccomment"> * Returns true if the particular cell passed has a corresponding shadow cell in the datastore</em> +<a class="jxr_linenumber" name="87" href="#87">87</a> <em class="jxr_javadoccomment"> * @param row row</em> +<a class="jxr_linenumber" name="88" href="#88">88</a> <em class="jxr_javadoccomment"> * @param family column family</em> +<a class="jxr_linenumber" name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * @param qualifier columnn name</em> +<a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_javadoccomment"> * @param version version</em> +<a class="jxr_linenumber" name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * @param cellGetter an instance of CellGetter</em> +<a class="jxr_linenumber" name="92" href="#92">92</a> <em class="jxr_javadoccomment"> * @return true if it has a shadow cell. false otherwise.</em> +<a class="jxr_linenumber" name="93" href="#93">93</a> <em class="jxr_javadoccomment"> * @throws IOException</em> +<a class="jxr_linenumber" name="94" href="#94">94</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> hasShadowCell(byte[] row, +<a class="jxr_linenumber" name="96" href="#96">96</a> byte[] family, +<a class="jxr_linenumber" name="97" href="#97">97</a> byte[] qualifier, +<a class="jxr_linenumber" name="98" href="#98">98</a> <strong class="jxr_keyword">long</strong> version, +<a class="jxr_linenumber" name="99" href="#99">99</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellGetter</a> cellGetter) <strong class="jxr_keyword">throws</strong> IOException { +<a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">return</strong> hasCell(row, family, addShadowCellSuffix(qualifier), +<a class="jxr_linenumber" name="101" href="#101">101</a> version, cellGetter); +<a class="jxr_linenumber" name="102" href="#102">102</a> } +<a class="jxr_linenumber" name="103" href="#103">103</a> +<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * Builds a new qualifier composed of the HBase qualifier passed + the shadow cell suffix.</em> +<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * @param qualifierArray the qualifier to be suffixed</em> +<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * @param qualOffset the offset where the qualifier starts</em> +<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment"> * @param qualLength the qualifier length</em> +<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment"> * @return the suffixed qualifier</em> +<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] addShadowCellSuffix(byte[] qualifierArray, <strong class="jxr_keyword">int</strong> qualOffset, <strong class="jxr_keyword">int</strong> qualLength) { +<a class="jxr_linenumber" name="112" href="#112">112</a> byte[] result = <strong class="jxr_keyword">new</strong> byte[qualLength + SHADOW_CELL_SUFFIX.length]; +<a class="jxr_linenumber" name="113" href="#113">113</a> System.arraycopy(qualifierArray, qualOffset, result, 0, qualLength); +<a class="jxr_linenumber" name="114" href="#114">114</a> System.arraycopy(SHADOW_CELL_SUFFIX, 0, result, qualLength, SHADOW_CELL_SUFFIX.length); +<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">return</strong> result; +<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> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment"> * Builds a new qualifier composed of the HBase qualifier passed + the shadow cell suffix.</em> +<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment"> * Contains a reduced signature to avoid boilerplate code in client side.</em> +<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> * @param qualifier</em> +<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment"> * the qualifier to be suffixed</em> +<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment"> * @return the suffixed qualifier</em> +<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] addShadowCellSuffix(byte[] qualifier) { +<a class="jxr_linenumber" name="126" href="#126">126</a> <strong class="jxr_keyword">return</strong> addShadowCellSuffix(qualifier, 0, qualifier.length); +<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> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment"> * Builds a new qualifier removing the shadow cell suffix from the</em> +<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment"> * passed HBase qualifier.</em> +<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment"> * @param qualifier the qualifier to remove the suffix from</em> +<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment"> * @param qualOffset the offset where the qualifier starts</em> +<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment"> * @param qualLength the qualifier length</em> +<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment"> * @return the new qualifier without the suffix</em> +<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] removeShadowCellSuffix(byte[] qualifier, <strong class="jxr_keyword">int</strong> qualOffset, <strong class="jxr_keyword">int</strong> qualLength) { +<a class="jxr_linenumber" name="138" href="#138">138</a> +<a class="jxr_linenumber" name="139" href="#139">139</a> <strong class="jxr_keyword">if</strong> (endsWith(qualifier, qualOffset, qualLength, SHADOW_CELL_SUFFIX)) { +<a class="jxr_linenumber" name="140" href="#140">140</a> <strong class="jxr_keyword">return</strong> Arrays.copyOfRange(qualifier, +<a class="jxr_linenumber" name="141" href="#141">141</a> qualOffset, +<a class="jxr_linenumber" name="142" href="#142">142</a> qualOffset + (qualLength - SHADOW_CELL_SUFFIX.length)); +<a class="jxr_linenumber" name="143" href="#143">143</a> } +<a class="jxr_linenumber" name="144" href="#144">144</a> +<a class="jxr_linenumber" name="145" href="#145">145</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( +<a class="jxr_linenumber" name="146" href="#146">146</a> <span class="jxr_string">"Can't find shadow cell suffix in qualifier "</span> +<a class="jxr_linenumber" name="147" href="#147">147</a> + Bytes.toString(qualifier)); +<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="150" href="#150">150</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment"> * Returns the qualifier length removing the shadow cell suffix. In case that que suffix is not found,</em> +<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment"> * just returns the length of the qualifier passed.</em> +<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment"> * @param qualifier the qualifier to remove the suffix from</em> +<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment"> * @param qualOffset the offset where the qualifier starts</em> +<a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_javadoccomment"> * @param qualLength the qualifier length</em> +<a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_javadoccomment"> * @return the qualifier length without the suffix</em> +<a class="jxr_linenumber" name="157" href="#157">157</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="158" href="#158">158</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> qualifierLengthFromShadowCellQualifier(byte[] qualifier, <strong class="jxr_keyword">int</strong> qualOffset, <strong class="jxr_keyword">int</strong> qualLength) { +<a class="jxr_linenumber" name="159" href="#159">159</a> +<a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">if</strong> (endsWith(qualifier, qualOffset, qualLength, SHADOW_CELL_SUFFIX)) { +<a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">return</strong> qualLength - SHADOW_CELL_SUFFIX.length; +<a class="jxr_linenumber" name="162" href="#162">162</a> } +<a class="jxr_linenumber" name="163" href="#163">163</a> +<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">return</strong> qualLength; +<a class="jxr_linenumber" name="165" href="#165">165</a> +<a class="jxr_linenumber" name="166" href="#166">166</a> } +<a class="jxr_linenumber" name="167" href="#167">167</a> +<a class="jxr_linenumber" name="168" href="#168">168</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment"> * Complement to matchingQualifier() methods in HBase's CellUtil.class</em> +<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment"> * @param left the cell to compare the qualifier</em> +<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment"> * @param qualArray the explicit qualifier array passed</em> +<a class="jxr_linenumber" name="172" href="#172">172</a> <em class="jxr_javadoccomment"> * @param qualOffset the explicit qualifier offset passed</em> +<a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_javadoccomment"> * @param qualLen the explicit qualifier length passed</em> +<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment"> * @return whether the qualifiers are equal or not</em> +<a class="jxr_linenumber" name="175" href="#175">175</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="176" href="#176">176</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> matchingQualifier(<strong class="jxr_keyword">final</strong> Cell left, <strong class="jxr_keyword">final</strong> byte[] qualArray, <strong class="jxr_keyword">int</strong> qualOffset, <strong class="jxr_keyword">int</strong> qualLen) { +<a class="jxr_linenumber" name="177" href="#177">177</a> <strong class="jxr_keyword">return</strong> Bytes.equals(left.getQualifierArray(), left.getQualifierOffset(), left.getQualifierLength(), +<a class="jxr_linenumber" name="178" href="#178">178</a> qualArray, qualOffset, qualLen); +<a class="jxr_linenumber" name="179" href="#179">179</a> } +<a class="jxr_linenumber" name="180" href="#180">180</a> +<a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment"> * Check that the cell passed meets the requirements for a valid cell identifier with Omid. Basically, users can't:</em> +<a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_javadoccomment"> * 1) specify a timestamp</em> +<a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_javadoccomment"> * 2) use a particular suffix in the qualifier</em> +<a class="jxr_linenumber" name="185" href="#185">185</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="186" href="#186">186</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> validateCell(Cell cell, <strong class="jxr_keyword">long</strong> startTimestamp) { +<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_comment">// Throw exception if timestamp is set by the user</em> +<a class="jxr_linenumber" name="188" href="#188">188</a> <strong class="jxr_keyword">if</strong> (cell.getTimestamp() != HConstants.LATEST_TIMESTAMP +<a class="jxr_linenumber" name="189" href="#189">189</a> && cell.getTimestamp() != startTimestamp) { +<a class="jxr_linenumber" name="190" href="#190">190</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( +<a class="jxr_linenumber" name="191" href="#191">191</a> <span class="jxr_string">"Timestamp not allowed in transactional user operations"</span>); +<a class="jxr_linenumber" name="192" href="#192">192</a> } +<a class="jxr_linenumber" name="193" href="#193">193</a> <em class="jxr_comment">// Throw exception if using a non-allowed qualifier</em> +<a class="jxr_linenumber" name="194" href="#194">194</a> <strong class="jxr_keyword">if</strong> (isShadowCell(cell)) { +<a class="jxr_linenumber" name="195" href="#195">195</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( +<a class="jxr_linenumber" name="196" href="#196">196</a> <span class="jxr_string">"Reserved string used in column qualifier"</span>); +<a class="jxr_linenumber" name="197" href="#197">197</a> } +<a class="jxr_linenumber" name="198" href="#198">198</a> } +<a class="jxr_linenumber" name="199" href="#199">199</a> +<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment"> * Returns whether a cell contains a qualifier that is a shadow cell</em> +<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment"> * column qualifier or not.</em> +<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment"> * @param cell the cell to check if contains the shadow cell qualifier</em> +<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment"> * @return whether the cell passed contains a shadow cell qualifier or not</em> +<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="206" href="#206">206</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isShadowCell(Cell cell) { +<a class="jxr_linenumber" name="207" href="#207">207</a> byte[] qualifier = cell.getQualifierArray(); +<a class="jxr_linenumber" name="208" href="#208">208</a> <strong class="jxr_keyword">int</strong> qualOffset = cell.getQualifierOffset(); +<a class="jxr_linenumber" name="209" href="#209">209</a> <strong class="jxr_keyword">int</strong> qualLength = cell.getQualifierLength(); +<a class="jxr_linenumber" name="210" href="#210">210</a> +<a class="jxr_linenumber" name="211" href="#211">211</a> <strong class="jxr_keyword">return</strong> endsWith(qualifier, qualOffset, qualLength, SHADOW_CELL_SUFFIX); +<a class="jxr_linenumber" name="212" href="#212">212</a> } +<a class="jxr_linenumber" name="213" href="#213">213</a> +<a class="jxr_linenumber" name="214" href="#214">214</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> endsWith(byte[] value, <strong class="jxr_keyword">int</strong> offset, <strong class="jxr_keyword">int</strong> length, byte[] suffix) { +<a class="jxr_linenumber" name="215" href="#215">215</a> <strong class="jxr_keyword">if</strong> (length <= suffix.length) { +<a class="jxr_linenumber" name="216" href="#216">216</a> <strong class="jxr_keyword">return</strong> false; +<a class="jxr_linenumber" name="217" href="#217">217</a> } +<a class="jxr_linenumber" name="218" href="#218">218</a> +<a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">int</strong> suffixOffset = offset + length - suffix.length; +<a class="jxr_linenumber" name="220" href="#220">220</a> <strong class="jxr_keyword">int</strong> result = Bytes.compareTo(value, suffixOffset, suffix.length, +<a class="jxr_linenumber" name="221" href="#221">221</a> suffix, 0, suffix.length); +<a class="jxr_linenumber" name="222" href="#222">222</a> <strong class="jxr_keyword">return</strong> result == 0; +<a class="jxr_linenumber" name="223" href="#223">223</a> } +<a class="jxr_linenumber" name="224" href="#224">224</a> +<a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment"> * Returns if a cell is marked as a tombstone.</em> +<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_javadoccomment"> * @param cell the cell to check</em> +<a class="jxr_linenumber" name="228" href="#228">228</a> <em class="jxr_javadoccomment"> * @return whether the cell is marked as a tombstone or not</em> +<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="230" href="#230">230</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isTombstone(Cell cell) { +<a class="jxr_linenumber" name="231" href="#231">231</a> <strong class="jxr_keyword">return</strong> CellUtil.matchingValue(cell, DELETE_TOMBSTONE); +<a class="jxr_linenumber" name="232" href="#232">232</a> } +<a class="jxr_linenumber" name="233" href="#233">233</a> +<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="235" href="#235">235</a> <em class="jxr_javadoccomment"> * Returns a new shadow cell created from a particular cell.</em> +<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_javadoccomment"> * @param cell</em> +<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment"> * the cell to reconstruct the shadow cell from.</em> +<a class="jxr_linenumber" name="238" href="#238">238</a> <em class="jxr_javadoccomment"> * @param shadowCellValue</em> +<a class="jxr_linenumber" name="239" href="#239">239</a> <em class="jxr_javadoccomment"> * the value for the new shadow cell created</em> +<a class="jxr_linenumber" name="240" href="#240">240</a> <em class="jxr_javadoccomment"> * @return the brand-new shadow cell</em> +<a class="jxr_linenumber" name="241" href="#241">241</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Cell buildShadowCellFromCell(Cell cell, byte[] shadowCellValue) { +<a class="jxr_linenumber" name="243" href="#243">243</a> byte[] shadowCellQualifier = addShadowCellSuffix(cell.getQualifierArray(), +<a class="jxr_linenumber" name="244" href="#244">244</a> cell.getQualifierOffset(), +<a class="jxr_linenumber" name="245" href="#245">245</a> cell.getQualifierLength()); +<a class="jxr_linenumber" name="246" href="#246">246</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> KeyValue( +<a class="jxr_linenumber" name="247" href="#247">247</a> cell.getRowArray(), cell.getRowOffset(), cell.getRowLength(), +<a class="jxr_linenumber" name="248" href="#248">248</a> cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(), +<a class="jxr_linenumber" name="249" href="#249">249</a> shadowCellQualifier, 0, shadowCellQualifier.length, +<a class="jxr_linenumber" name="250" href="#250">250</a> cell.getTimestamp(), KeyValue.Type.codeToType(cell.getTypeByte()), +<a class="jxr_linenumber" name="251" href="#251">251</a> shadowCellValue, 0, shadowCellValue.length); +<a class="jxr_linenumber" name="252" href="#252">252</a> } +<a class="jxr_linenumber" name="253" href="#253">253</a> +<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_javadoccomment"> * Analyzes a list of cells, associating the corresponding shadow cell if present.</em> +<a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment"> * @param cells the list of cells to classify</em> +<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_javadoccomment"> * @return a sorted map associating each cell with its shadow cell</em> +<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="260" href="#260">260</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> SortedMap<Cell, Optional<Cell>> mapCellsToShadowCells(List<Cell> cells) { +<a class="jxr_linenumber" name="261" href="#261">261</a> +<a class="jxr_linenumber" name="262" href="#262">262</a> SortedMap<Cell, Optional<Cell>> cellToShadowCellMap +<a class="jxr_linenumber" name="263" href="#263">263</a> = <strong class="jxr_keyword">new</strong> TreeMap<Cell, Optional<Cell>>(<strong class="jxr_keyword">new</strong> CellComparator()); +<a class="jxr_linenumber" name="264" href="#264">264</a> +<a class="jxr_linenumber" name="265" href="#265">265</a> Map<CellId, Cell> cellIdToCellMap = <strong class="jxr_keyword">new</strong> HashMap<CellId, Cell>(); +<a class="jxr_linenumber" name="266" href="#266">266</a> <strong class="jxr_keyword">for</strong> (Cell cell : cells) { +<a class="jxr_linenumber" name="267" href="#267">267</a> <strong class="jxr_keyword">if</strong> (!isShadowCell(cell)) { +<a class="jxr_linenumber" name="268" href="#268">268</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a> key = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a>(cell, false); +<a class="jxr_linenumber" name="269" href="#269">269</a> <strong class="jxr_keyword">if</strong> (cellIdToCellMap.containsKey(key)) { +<a class="jxr_linenumber" name="270" href="#270">270</a> <em class="jxr_comment">// Get the current cell and compare the values</em> +<a class="jxr_linenumber" name="271" href="#271">271</a> Cell storedCell = cellIdToCellMap.get(key); +<a class="jxr_linenumber" name="272" href="#272">272</a> <strong class="jxr_keyword">if</strong> (CellUtil.matchingValue(cell, storedCell)) { +<a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_comment">// TODO: Should we check also here the MVCC and swap if its greater???</em> +<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_comment">// Values are the same, ignore</em> +<a class="jxr_linenumber" name="275" href="#275">275</a> } <strong class="jxr_keyword">else</strong> { +<a class="jxr_linenumber" name="276" href="#276">276</a> <strong class="jxr_keyword">if</strong> (cell.getMvccVersion() > storedCell.getMvccVersion()) { <em class="jxr_comment">// Swap values</em> +<a class="jxr_linenumber" name="277" href="#277">277</a> Optional<Cell> previousValue = cellToShadowCellMap.remove(storedCell); +<a class="jxr_linenumber" name="278" href="#278">278</a> Preconditions.checkNotNull(previousValue, <span class="jxr_string">"Should contain an Optional<Cell> value"</span>); +<a class="jxr_linenumber" name="279" href="#279">279</a> cellIdToCellMap.put(key, cell); +<a class="jxr_linenumber" name="280" href="#280">280</a> cellToShadowCellMap.put(cell, previousValue); +<a class="jxr_linenumber" name="281" href="#281">281</a> } <strong class="jxr_keyword">else</strong> { +<a class="jxr_linenumber" name="282" href="#282">282</a> LOG.warn(<span class="jxr_string">"Cell {} with an earlier MVCC found. Ignoring..."</span>, cell); +<a class="jxr_linenumber" name="283" href="#283">283</a> } +<a class="jxr_linenumber" name="284" href="#284">284</a> } +<a class="jxr_linenumber" name="285" href="#285">285</a> } <strong class="jxr_keyword">else</strong> { +<a class="jxr_linenumber" name="286" href="#286">286</a> cellIdToCellMap.put(key, cell); +<a class="jxr_linenumber" name="287" href="#287">287</a> cellToShadowCellMap.put(cell, Optional.<Cell>absent()); +<a class="jxr_linenumber" name="288" href="#288">288</a> } +<a class="jxr_linenumber" name="289" href="#289">289</a> } <strong class="jxr_keyword">else</strong> { +<a class="jxr_linenumber" name="290" href="#290">290</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a> key = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a>(cell, <strong class="jxr_keyword">true</strong>); +<a class="jxr_linenumber" name="291" href="#291">291</a> <strong class="jxr_keyword">if</strong> (cellIdToCellMap.containsKey(key)) { +<a class="jxr_linenumber" name="292" href="#292">292</a> Cell originalCell = cellIdToCellMap.get(key); +<a class="jxr_linenumber" name="293" href="#293">293</a> cellToShadowCellMap.put(originalCell, Optional.of(cell)); +<a class="jxr_linenumber" name="294" href="#294">294</a> } <strong class="jxr_keyword">else</strong> { +<a class="jxr_linenumber" name="295" href="#295">295</a> LOG.trace(<span class="jxr_string">"Map does not contain key {}"</span>, key); +<a class="jxr_linenumber" name="296" href="#296">296</a> } +<a class="jxr_linenumber" name="297" href="#297">297</a> } +<a class="jxr_linenumber" name="298" href="#298">298</a> } +<a class="jxr_linenumber" name="299" href="#299">299</a> +<a class="jxr_linenumber" name="300" href="#300">300</a> <strong class="jxr_keyword">return</strong> cellToShadowCellMap; +<a class="jxr_linenumber" name="301" href="#301">301</a> } +<a class="jxr_linenumber" name="302" href="#302">302</a> +<a class="jxr_linenumber" name="303" href="#303">303</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a> { +<a class="jxr_linenumber" name="304" href="#304">304</a> +<a class="jxr_linenumber" name="305" href="#305">305</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> MIN_BITS = 32; +<a class="jxr_linenumber" name="306" href="#306">306</a> +<a class="jxr_linenumber" name="307" href="#307">307</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Cell cell; +<a class="jxr_linenumber" name="308" href="#308">308</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> isShadowCell; +<a class="jxr_linenumber" name="309" href="#309">309</a> +<a class="jxr_linenumber" name="310" href="#310">310</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a>(Cell cell, <strong class="jxr_keyword">boolean</strong> isShadowCell) { +<a class="jxr_linenumber" name="311" href="#311">311</a> +<a class="jxr_linenumber" name="312" href="#312">312</a> <strong class="jxr_keyword">this</strong>.cell = cell; +<a class="jxr_linenumber" name="313" href="#313">313</a> <strong class="jxr_keyword">this</strong>.isShadowCell = isShadowCell; +<a class="jxr_linenumber" name="314" href="#314">314</a> +<a class="jxr_linenumber" name="315" href="#315">315</a> } +<a class="jxr_linenumber" name="316" href="#316">316</a> +<a class="jxr_linenumber" name="317" href="#317">317</a> Cell getCell() { +<a class="jxr_linenumber" name="318" href="#318">318</a> <strong class="jxr_keyword">return</strong> cell; +<a class="jxr_linenumber" name="319" href="#319">319</a> } <a class="jxr_linenumber" name="320" href="#320">320</a> -<a class="jxr_linenumber" name="321" href="#321">321</a> } -<a class="jxr_linenumber" name="322" href="#322">322</a> -<a class="jxr_linenumber" name="323" href="#323">323</a> Cell getCell() { -<a class="jxr_linenumber" name="324" href="#324">324</a> <strong class="jxr_keyword">return</strong> cell; -<a class="jxr_linenumber" name="325" href="#325">325</a> } -<a class="jxr_linenumber" name="326" href="#326">326</a> -<a class="jxr_linenumber" name="327" href="#327">327</a> <strong class="jxr_keyword">boolean</strong> isShadowCell() { -<a class="jxr_linenumber" name="328" href="#328">328</a> <strong class="jxr_keyword">return</strong> isShadowCell; -<a class="jxr_linenumber" name="329" href="#329">329</a> } -<a class="jxr_linenumber" name="330" href="#330">330</a> -<a class="jxr_linenumber" name="331" href="#331">331</a> @Override -<a class="jxr_linenumber" name="332" href="#332">332</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> equals(Object o) { -<a class="jxr_linenumber" name="333" href="#333">333</a> <strong class="jxr_keyword">if</strong> (o == <strong class="jxr_keyword">this</strong>) -<a class="jxr_linenumber" name="334" href="#334">334</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>; -<a class="jxr_linenumber" name="335" href="#335">335</a> <strong class="jxr_keyword">if</strong> (!(o instanceof CellId)) +<a class="jxr_linenumber" name="321" href="#321">321</a> <strong class="jxr_keyword">boolean</strong> isShadowCell() { +<a class="jxr_linenumber" name="322" href="#322">322</a> <strong class="jxr_keyword">return</strong> isShadowCell; +<a class="jxr_linenumber" name="323" href="#323">323</a> } +<a class="jxr_linenumber" name="324" href="#324">324</a> +<a class="jxr_linenumber" name="325" href="#325">325</a> @Override +<a class="jxr_linenumber" name="326" href="#326">326</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> equals(Object o) { +<a class="jxr_linenumber" name="327" href="#327">327</a> <strong class="jxr_keyword">if</strong> (o == <strong class="jxr_keyword">this</strong>) +<a class="jxr_linenumber" name="328" href="#328">328</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>; +<a class="jxr_linenumber" name="329" href="#329">329</a> <strong class="jxr_keyword">if</strong> (!(o instanceof CellId)) +<a class="jxr_linenumber" name="330" href="#330">330</a> <strong class="jxr_keyword">return</strong> false; +<a class="jxr_linenumber" name="331" href="#331">331</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a> otherCellId = (CellId) o; +<a class="jxr_linenumber" name="332" href="#332">332</a> Cell otherCell = otherCellId.getCell(); +<a class="jxr_linenumber" name="333" href="#333">333</a> +<a class="jxr_linenumber" name="334" href="#334">334</a> <em class="jxr_comment">// Row comparison</em> +<a class="jxr_linenumber" name="335" href="#335">335</a> <strong class="jxr_keyword">if</strong> (!CellUtil.matchingRow(otherCell, cell)) { <a class="jxr_linenumber" name="336" href="#336">336</a> <strong class="jxr_keyword">return</strong> false; -<a class="jxr_linenumber" name="337" href="#337">337</a> <a href="../../../../org/apache/omid/transaction/CellUtils.html">CellId</a> otherCellId = (CellId) o; -<a class="jxr_linenumber" name="338" href="#338">338</a> Cell otherCell = otherCellId.getCell(); -<a class="jxr_linenumber" name="339" href="#339">339</a> -<a class="jxr_linenumber" name="340" href="#340">340</a> <em class="jxr_comment">// Row comparison</em> -<a class="jxr_linenumber" name="341" href="#341">341</a> <strong class="jxr_keyword">if</strong> (!CellUtil.matchingRow(otherCell, cell)) { -<a class="jxr_linenumber" name="342" href="#342">342</a> <strong class="jxr_keyword">return</strong> false; -<a class="jxr_linenumber" name="343" href="#343">343</a> } -<a class="jxr_linenumber" name="344" href="#344">344</a> -<a class="jxr_linenumber" name="345" href="#345">345</a> <em class="jxr_comment">// Family comparison</em> -<a class="jxr_linenumber" name="346" href="#346">346</a> <strong class="jxr_keyword">if</strong> (!CellUtil.matchingFamily(otherCell, cell)) { -<a class="jxr_linenumber" name="347" href="#347">347</a> <strong class="jxr_keyword">return</strong> false; -<a class="jxr_linenumber" name="348" href="#348">348</a> } -<a class="jxr_linenumber" name="349" href="#349">349</a> -<a class="jxr_linenumber" name="350" href="#350">350</a> <em class="jxr_comment">// Qualifier comparison</em> -<a class="jxr_linenumber" name="351" href="#351">351</a> <strong class="jxr_keyword">if</strong> (isShadowCell()) { -<a class="jxr_linenumber" name="352" href="#352">352</a> <strong class="jxr_keyword">int</strong> qualifierLength = qualifierLengthFromShadowCellQualifier(cell.getQualifierArray(), -<a class="jxr_linenumber" name="353" href="#353">353</a> cell.getQualifierOffset(), -<a class="jxr_linenumber" name="354" href="#354">354</a> cell.getQualifierLength()); -<a class="jxr_linenumber" name="355" href="#355">355</a> <strong class="jxr_keyword">if</strong> (!matchingQualifier(otherCell, -<a class="jxr_linenumber" name="356" href="#356">356</a> cell.getQualifierArray(), cell.getQualifierOffset(), qualifierLength)) { -<a class="jxr_linenumber" name="357" href="#357">357</a> <strong class="jxr_keyword">return</strong> false; -<a class="jxr_linenumber" name="358" href="#358">358</a> } -<a class="jxr_linenumber" name="359" href="#359">359</a> } <strong class="jxr_keyword">else</strong> { -<a class="jxr_linenumber" name="360" href="#360">360</a> <strong class="jxr_keyword">if</strong> (!CellUtil.matchingQualifier(otherCell, cell)) { -<a class="jxr_linenumber" name="361" href="#361">361</a> <strong class="jxr_keyword">return</strong> false; -<a class="jxr_linenumber" name="362" href="#362">362</a> } -<a class="jxr_linenumber" name="363" href="#363">363</a> } -<a class="jxr_linenumber" name="364" href="#364">364</a> -<a class="jxr_linenumber" name="365" href="#365">365</a> <em class="jxr_comment">// Timestamp comparison</em> -<a class="jxr_linenumber" name="366" href="#366">366</a> <strong class="jxr_keyword">return</strong> otherCell.getTimestamp() == cell.getTimestamp(); -<a class="jxr_linenumber" name="367" href="#367">367</a> -<a class="jxr_linenumber" name="368" href="#368">368</a> } -<a class="jxr_linenumber" name="369" href="#369">369</a> -<a class="jxr_linenumber" name="370" href="#370">370</a> @Override -<a class="jxr_linenumber" name="371" href="#371">371</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> hashCode() { -<a class="jxr_linenumber" name="372" href="#372">372</a> Hasher hasher = Hashing.goodFastHash(MIN_BITS).newHasher(); -<a class="jxr_linenumber" name="373" href="#373">373</a> hasher.putBytes(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength()); -<a class="jxr_linenumber" name="374" href="#374">374</a> hasher.putBytes(cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength()); -<a class="jxr_linenumber" name="375" href="#375">375</a> <strong class="jxr_keyword">int</strong> qualifierLength = cell.getQualifierLength(); -<a class="jxr_linenumber" name="376" href="#376">376</a> <strong class="jxr_keyword">if</strong> (isShadowCell()) { <em class="jxr_comment">// Update qualifier length when qualifier is shadow cell</em> -<a class="jxr_linenumber" name="377" href="#377">377</a> qualifierLength = qualifierLengthFromShadowCellQualifier(cell.getQualifierArray(), -<a class="jxr_linenumber" name="378" href="#378">378</a> cell.getQualifierOffset(), -<a class="jxr_linenumber" name="379" href="#379">379</a> cell.getQualifierLength()); -<a class="jxr_linenumber" name="380" href="#380">380</a> } -<a class="jxr_linenumber" name="381" href="#381">381</a> hasher.putBytes(cell.getQualifierArray(), cell.getQualifierOffset(), qualifierLength); -<a class="jxr_linenumber" name="382" href="#382">382</a> hasher.putLong(cell.getTimestamp()); -<a class="jxr_linenumber" name="383" href="#383">383</a> <strong class="jxr_keyword">return</strong> hasher.hash().asInt(); -<a class="jxr_linenumber" name="384" href="#384">384</a> } -<a class="jxr_linenumber" name="385" href="#385">385</a> -<a class="jxr_linenumber" name="386" href="#386">386</a> @Override -<a class="jxr_linenumber" name="387" href="#387">387</a> <strong class="jxr_keyword">public</strong> String toString() { -<a class="jxr_linenumber" name="388" href="#388">388</a> ToStringHelper helper = Objects.toStringHelper(<strong class="jxr_keyword">this</strong>); -<a class="jxr_linenumber" name="389" href="#389">389</a> helper.add(<span class="jxr_string">"row"</span>, Bytes.toStringBinary(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength())); -<a class="jxr_linenumber" name="390" href="#390">390</a> helper.add(<span class="jxr_string">"family"</span>, Bytes.toString(cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength())); -<a class="jxr_linenumber" name="391" href="#391">391</a> helper.add(<span class="jxr_string">"is shadow cell?"</span>, isShadowCell); -<a class="jxr_linenumber" name="392" href="#392">392</a> helper.add(<span class="jxr_string">"qualifier"</span>, -<a class="jxr_linenumber" name="393" href="#393">393</a> Bytes.toString(cell.getQualifierArray(), cell.getQualifierOffset(), cell.getQualifierLength())); -<a class="jxr_linenumber" name="394" href="#394">394</a> <strong class="jxr_keyword">if</strong> (isShadowCell()) { -<a class="jxr_linenumber" name="395" href="#395">395</a> <strong class="jxr_keyword">int</strong> qualifierLength = qualifierLengthFromShadowCellQualifier(cell.getQualifierArray(), -<a class="jxr_linenumber" name="396" href="#396">396</a> cell.getQualifierOffset(), -<a class="jxr_linenumber" name="397" href="#397">397</a> cell.getQualifierLength()); -<a class="jxr_linenumber" name="398" href="#398">398</a> helper.add(<span class="jxr_string">"qualifier whithout shadow cell suffix"</span>, -<a class="jxr_linenumber" name="399" href="#399">399</a> Bytes.toString(cell.getQualifierArray(), cell.getQualifierOffset(), qualifierLength)); -<a class="jxr_linenumber" name="400" href="#400">400</a> } -<a class="jxr_linenumber" name="401" href="#401">401</a> helper.add(<span class="jxr_string">"ts"</span>, cell.getTimestamp()); -<a class="jxr_linenumber" name="402" href="#402">402</a> <strong class="jxr_keyword">return</strong> helper.toString(); -<a class="jxr_linenumber" name="403" href="#403">403</a> } -<a class="jxr_linenumber" name="404" href="#404">404</a> } -<a class="jxr_linenumber" name="405" href="#405">405</a> -<a class="jxr_linenumber" name="406" href="#406">406</a> } +<a class="jxr_linenumber" name="337" href="#337">337</a> } +<a class="jxr_linenumber" name="338" href="#338">338</a> +<a class="jxr_linenumber" name="339" href="#339">339</a> <em class="jxr_comment">// Family comparison</em> +<a class="jxr_linenumber" name="340" href="#340">340</a> <strong class="jxr_keyword">if</strong> (!CellUtil.matchingFamily(otherCell, cell)) { +<a class="jxr_linenumber" name="341" href="#341">341</a> <strong class="jxr_keyword">return</strong> false; +<a class="jxr_linenumber" name="342" href="#342">342</a> } +<a class="jxr_linenumber" name="343" href="#343">343</a> +<a class="jxr_linenumber" name="344" href="#344">344</a> <em class="jxr_comment">// Qualifier comparison</em> +<a class="jxr_linenumber" name="345" href="#345">345</a> <strong class="jxr_keyword">if</strong> (isShadowCell()) { +<a class="jxr_linenumber" name="346" href="#346">346</a> <strong class="jxr_keyword">int</strong> qualifierLength = qualifierLengthFromShadowCellQualifier(cell.getQualifierArray(), +<a class="jxr_linenumber" name="347" href="#347">347</a> cell.getQualifierOffset(), +<a class="jxr_linenumber" name="348" href="#348">348</a> cell.getQualifierLength()); +<a class="jxr_linenumber" name="349" href="#349">349</a> <strong class="jxr_keyword">if</strong> (!matchingQualifier(otherCell, +<a class="jxr_linenumber" name="350" href="#350">350</a> cell.getQualifierArray(), cell.getQualifierOffset(), qualifierLength)) { +<a class="jxr_linenumber" name="351" href="#351">351</a> <strong class="jxr_keyword">return</strong> false; +<a class="jxr_linenumber" name="352" href="#352">352</a> } +<a class="jxr_linenumber" name="353" href="#353">353</a> } <strong class="jxr_keyword">else</strong> { +<a class="jxr_linenumber" name="354" href="#354">354</a> <strong class="jxr_keyword">if</strong> (!CellUtil.matchingQualifier(otherCell, cell)) { +<a class="jxr_linenumber" name="355" href="#355">355</a> <strong class="jxr_keyword">return</strong> false; +<a class="jxr_linenumber" name="356" href="#356">356</a> } +<a class="jxr_linenumber" name="357" href="#357">357</a> } +<a class="jxr_linenumber" name="358" href="#358">358</a> +<a class="jxr_linenumber" name="359" href="#359">359</a> <em class="jxr_comment">// Timestamp comparison</em> +<a class="jxr_linenumber" name="360" href="#360">360</a> <strong class="jxr_keyword">return</strong> otherCell.getTimestamp() == cell.getTimestamp(); +<a class="jxr_linenumber" name="361" href="#361">361</a> +<a class="jxr_linenumber" name="362" href="#362">362</a> } +<a class="jxr_linenumber" name="363" href="#363">363</a> +<a class="jxr_linenumber" name="364" href="#364">364</a> @Override +<a class="jxr_linenumber" name="365" href="#365">365</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> hashCode() { +<a class="jxr_linenumber" name="366" href="#366">366</a> Hasher hasher = Hashing.goodFastHash(MIN_BITS).newHasher(); +<a class="jxr_linenumber" name="367" href="#367">367</a> hasher.putBytes(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength()); +<a class="jxr_linenumber" name="368" href="#368">368</a> hasher.putBytes(cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength()); +<a class="jxr_linenumber" name="369" href="#369">369</a>
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