| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>Source code</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta name="description" content="source: package: org.apache.hadoop.hbase.io, class: TestFSDataInputStreamWrapper"> |
| <meta name="generator" content="javadoc/SourceToHTMLConverter"> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body class="source-page"> |
| <main role="main"> |
| <div class="source-container"> |
| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.io;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertFalse;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.IOException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.InputStream;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.nio.ByteBuffer;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.EnumSet;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.fs.ByteBufferReadable;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.fs.CanSetDropBehind;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.fs.CanSetReadahead;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.fs.CanUnbuffer;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.fs.FSDataInputStream;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.fs.FSInputStream;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.fs.HasEnhancedByteBufferAccess;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.fs.ReadOption;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.fs.StreamCapabilities;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.io.ByteBufferPool;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.ClassRule;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.Test;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">042</span><span id="line-42"></span> |
| <span class="source-line-no">043</span><span id="line-43">@Category(SmallTests.class)</span> |
| <span class="source-line-no">044</span><span id="line-44">public class TestFSDataInputStreamWrapper {</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46"> @ClassRule</span> |
| <span class="source-line-no">047</span><span id="line-47"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">048</span><span id="line-48"> HBaseClassTestRule.forClass(TestFSDataInputStreamWrapper.class);</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50"> @Test</span> |
| <span class="source-line-no">051</span><span id="line-51"> public void testUnbuffer() throws Exception {</span> |
| <span class="source-line-no">052</span><span id="line-52"> InputStream pc = new ParentClass();</span> |
| <span class="source-line-no">053</span><span id="line-53"> InputStream noChecksumPc = new ParentClass();</span> |
| <span class="source-line-no">054</span><span id="line-54"> FSDataInputStreamWrapper fsdisw1 =</span> |
| <span class="source-line-no">055</span><span id="line-55"> new FSDataInputStreamWrapper(new FSDataInputStream(pc), new FSDataInputStream(noChecksumPc));</span> |
| <span class="source-line-no">056</span><span id="line-56"> fsdisw1.unbuffer();</span> |
| <span class="source-line-no">057</span><span id="line-57"> // should have called main stream unbuffer, but not no-checksum</span> |
| <span class="source-line-no">058</span><span id="line-58"> assertTrue(((ParentClass) pc).getIsCallUnbuffer());</span> |
| <span class="source-line-no">059</span><span id="line-59"> assertFalse(((ParentClass) noChecksumPc).getIsCallUnbuffer());</span> |
| <span class="source-line-no">060</span><span id="line-60"> // switch to checksums and call unbuffer again. should unbuffer the nochecksum stream now</span> |
| <span class="source-line-no">061</span><span id="line-61"> fsdisw1.setShouldUseHBaseChecksum();</span> |
| <span class="source-line-no">062</span><span id="line-62"> fsdisw1.unbuffer();</span> |
| <span class="source-line-no">063</span><span id="line-63"> assertTrue(((ParentClass) noChecksumPc).getIsCallUnbuffer());</span> |
| <span class="source-line-no">064</span><span id="line-64"> fsdisw1.close();</span> |
| <span class="source-line-no">065</span><span id="line-65"> }</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> private class ParentClass extends FSInputStream implements ByteBufferReadable, CanSetDropBehind,</span> |
| <span class="source-line-no">068</span><span id="line-68"> CanSetReadahead, HasEnhancedByteBufferAccess, CanUnbuffer, StreamCapabilities {</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> public boolean isCallUnbuffer = false;</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> public boolean getIsCallUnbuffer() {</span> |
| <span class="source-line-no">073</span><span id="line-73"> return isCallUnbuffer;</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> @Override</span> |
| <span class="source-line-no">077</span><span id="line-77"> public void unbuffer() {</span> |
| <span class="source-line-no">078</span><span id="line-78"> isCallUnbuffer = true;</span> |
| <span class="source-line-no">079</span><span id="line-79"> }</span> |
| <span class="source-line-no">080</span><span id="line-80"></span> |
| <span class="source-line-no">081</span><span id="line-81"> @Override</span> |
| <span class="source-line-no">082</span><span id="line-82"> public int read() throws IOException {</span> |
| <span class="source-line-no">083</span><span id="line-83"> return 0;</span> |
| <span class="source-line-no">084</span><span id="line-84"> }</span> |
| <span class="source-line-no">085</span><span id="line-85"></span> |
| <span class="source-line-no">086</span><span id="line-86"> @Override</span> |
| <span class="source-line-no">087</span><span id="line-87"> public ByteBuffer read(ByteBufferPool paramByteBufferPool, int paramInt,</span> |
| <span class="source-line-no">088</span><span id="line-88"> EnumSet<ReadOption> paramEnumSet) throws IOException, UnsupportedOperationException {</span> |
| <span class="source-line-no">089</span><span id="line-89"> return null;</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> @Override</span> |
| <span class="source-line-no">093</span><span id="line-93"> public void releaseBuffer(ByteBuffer paramByteBuffer) {</span> |
| <span class="source-line-no">094</span><span id="line-94"></span> |
| <span class="source-line-no">095</span><span id="line-95"> }</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> @Override</span> |
| <span class="source-line-no">098</span><span id="line-98"> public void setReadahead(Long paramLong) throws IOException, UnsupportedOperationException {</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> }</span> |
| <span class="source-line-no">101</span><span id="line-101"></span> |
| <span class="source-line-no">102</span><span id="line-102"> @Override</span> |
| <span class="source-line-no">103</span><span id="line-103"> public void setDropBehind(Boolean paramBoolean)</span> |
| <span class="source-line-no">104</span><span id="line-104"> throws IOException, UnsupportedOperationException {</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> @Override</span> |
| <span class="source-line-no">109</span><span id="line-109"> public int read(ByteBuffer paramByteBuffer) throws IOException {</span> |
| <span class="source-line-no">110</span><span id="line-110"> return 0;</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"></span> |
| <span class="source-line-no">113</span><span id="line-113"> @Override</span> |
| <span class="source-line-no">114</span><span id="line-114"> public void seek(long paramLong) throws IOException {</span> |
| <span class="source-line-no">115</span><span id="line-115"></span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"></span> |
| <span class="source-line-no">118</span><span id="line-118"> @Override</span> |
| <span class="source-line-no">119</span><span id="line-119"> public long getPos() throws IOException {</span> |
| <span class="source-line-no">120</span><span id="line-120"> return 0;</span> |
| <span class="source-line-no">121</span><span id="line-121"> }</span> |
| <span class="source-line-no">122</span><span id="line-122"></span> |
| <span class="source-line-no">123</span><span id="line-123"> @Override</span> |
| <span class="source-line-no">124</span><span id="line-124"> public boolean seekToNewSource(long paramLong) throws IOException {</span> |
| <span class="source-line-no">125</span><span id="line-125"> return false;</span> |
| <span class="source-line-no">126</span><span id="line-126"> }</span> |
| <span class="source-line-no">127</span><span id="line-127"></span> |
| <span class="source-line-no">128</span><span id="line-128"> @Override</span> |
| <span class="source-line-no">129</span><span id="line-129"> public boolean hasCapability(String s) {</span> |
| <span class="source-line-no">130</span><span id="line-130"> return s.equals(StreamCapabilities.UNBUFFER);</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132"> }</span> |
| <span class="source-line-no">133</span><span id="line-133">}</span> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
