Evaluate/projects/iceberg/java/doxygen_doc/xml/ADLSInputStream_8java.xml

<?xml version='1.0' encoding='UTF-8' standalone='no'?>
<doxygen xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="compound.xsd" version="1.8.17">
  <compounddef id="ADLSInputStream_8java" kind="file" language="Java">
    <compoundname>ADLSInputStream.java</compoundname>
    <innerclass refid="classorg_1_1apache_1_1iceberg_1_1azure_1_1adlsv2_1_1ADLSInputStream" prot="package">org::apache::iceberg::azure::adlsv2::ADLSInputStream</innerclass>
    <innernamespace refid="namespaceorg_1_1apache_1_1iceberg_1_1azure_1_1adlsv2">org::apache::iceberg::azure::adlsv2</innernamespace>
    <briefdescription>
    </briefdescription>
    <detaileddescription>
    </detaileddescription>
    <programlisting>
<codeline lineno="1"><highlight class="comment">/*</highlight></codeline>
<codeline lineno="2"><highlight class="comment"><sp/>*<sp/>Licensed<sp/>to<sp/>the<sp/>Apache<sp/>Software<sp/>Foundation<sp/>(ASF)<sp/>under<sp/>one</highlight></codeline>
<codeline lineno="3"><highlight class="comment"><sp/>*<sp/>or<sp/>more<sp/>contributor<sp/>license<sp/>agreements.<sp/><sp/>See<sp/>the<sp/>NOTICE<sp/>file</highlight></codeline>
<codeline lineno="4"><highlight class="comment"><sp/>*<sp/>distributed<sp/>with<sp/>this<sp/>work<sp/>for<sp/>additional<sp/>information</highlight></codeline>
<codeline lineno="5"><highlight class="comment"><sp/>*<sp/>regarding<sp/>copyright<sp/>ownership.<sp/><sp/>The<sp/>ASF<sp/>licenses<sp/>this<sp/>file</highlight></codeline>
<codeline lineno="6"><highlight class="comment"><sp/>*<sp/>to<sp/>you<sp/>under<sp/>the<sp/>Apache<sp/>License,<sp/>Version<sp/>2.0<sp/>(the</highlight></codeline>
<codeline lineno="7"><highlight class="comment"><sp/>*<sp/>&quot;License&quot;);<sp/>you<sp/>may<sp/>not<sp/>use<sp/>this<sp/>file<sp/>except<sp/>in<sp/>compliance</highlight></codeline>
<codeline lineno="8"><highlight class="comment"><sp/>*<sp/>with<sp/>the<sp/>License.<sp/><sp/>You<sp/>may<sp/>obtain<sp/>a<sp/>copy<sp/>of<sp/>the<sp/>License<sp/>at</highlight></codeline>
<codeline lineno="9"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="10"><highlight class="comment"><sp/>*<sp/><sp/><sp/>http://www.apache.org/licenses/LICENSE-2.0</highlight></codeline>
<codeline lineno="11"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="12"><highlight class="comment"><sp/>*<sp/>Unless<sp/>required<sp/>by<sp/>applicable<sp/>law<sp/>or<sp/>agreed<sp/>to<sp/>in<sp/>writing,</highlight></codeline>
<codeline lineno="13"><highlight class="comment"><sp/>*<sp/>software<sp/>distributed<sp/>under<sp/>the<sp/>License<sp/>is<sp/>distributed<sp/>on<sp/>an</highlight></codeline>
<codeline lineno="14"><highlight class="comment"><sp/>*<sp/>&quot;AS<sp/>IS&quot;<sp/>BASIS,<sp/>WITHOUT<sp/>WARRANTIES<sp/>OR<sp/>CONDITIONS<sp/>OF<sp/>ANY</highlight></codeline>
<codeline lineno="15"><highlight class="comment"><sp/>*<sp/>KIND,<sp/>either<sp/>express<sp/>or<sp/>implied.<sp/><sp/>See<sp/>the<sp/>License<sp/>for<sp/>the</highlight></codeline>
<codeline lineno="16"><highlight class="comment"><sp/>*<sp/>specific<sp/>language<sp/>governing<sp/>permissions<sp/>and<sp/>limitations</highlight></codeline>
<codeline lineno="17"><highlight class="comment"><sp/>*<sp/>under<sp/>the<sp/>License.</highlight></codeline>
<codeline lineno="18"><highlight class="comment"><sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="19"><highlight class="normal"></highlight><highlight class="keyword">package<sp/></highlight><highlight class="normal">org.apache.iceberg.azure.adlsv2;</highlight></codeline>
<codeline lineno="20"><highlight class="normal"></highlight></codeline>
<codeline lineno="21"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/>com.azure.storage.file.datalake.DataLakeFileClient;</highlight></codeline>
<codeline lineno="22"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/>com.azure.storage.file.datalake.models.DataLakeFileOpenInputStreamResult;</highlight></codeline>
<codeline lineno="23"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/>com.azure.storage.file.datalake.models.FileRange;</highlight></codeline>
<codeline lineno="24"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/>com.azure.storage.file.datalake.options.DataLakeFileInputStreamOptions;</highlight></codeline>
<codeline lineno="25"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/>java.io.IOException;</highlight></codeline>
<codeline lineno="26"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/>java.io.InputStream;</highlight></codeline>
<codeline lineno="27"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/>java.util.Arrays;</highlight></codeline>
<codeline lineno="28"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1azure" kindref="compound">azure</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1azure_1_1AzureProperties" kindref="compound">AzureProperties</ref>;</highlight></codeline>
<codeline lineno="29"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1io" kindref="compound">io</ref>.<ref refid="interfaceorg_1_1apache_1_1iceberg_1_1io_1_1FileIOMetricsContext" kindref="compound">FileIOMetricsContext</ref>;</highlight></codeline>
<codeline lineno="30"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1io" kindref="compound">io</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1IOUtil" kindref="compound">IOUtil</ref>;</highlight></codeline>
<codeline lineno="31"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1io" kindref="compound">io</ref>.<ref refid="interfaceorg_1_1apache_1_1iceberg_1_1io_1_1RangeReadable" kindref="compound">RangeReadable</ref>;</highlight></codeline>
<codeline lineno="32"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1io" kindref="compound">io</ref>.<ref refid="classorg_1_1apache_1_1iceberg_1_1io_1_1SeekableInputStream" kindref="compound">SeekableInputStream</ref>;</highlight></codeline>
<codeline lineno="33"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1metrics" kindref="compound">metrics</ref>.<ref refid="interfaceorg_1_1apache_1_1iceberg_1_1metrics_1_1Counter" kindref="compound">Counter</ref>;</highlight></codeline>
<codeline lineno="34"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1metrics" kindref="compound">metrics</ref>.<ref refid="interfaceorg_1_1apache_1_1iceberg_1_1metrics_1_1MetricsContext" kindref="compound">MetricsContext</ref>;</highlight></codeline>
<codeline lineno="35"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1metrics" kindref="compound">metrics</ref>.<ref refid="interfaceorg_1_1apache_1_1iceberg_1_1metrics_1_1MetricsContext" kindref="compound">MetricsContext</ref>.<ref refid="enumorg_1_1apache_1_1iceberg_1_1metrics_1_1MetricsContext_1_1Unit" kindref="compound">Unit</ref>;</highlight></codeline>
<codeline lineno="36"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.relocated.com.google.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1common" kindref="compound">common</ref>.base.<ref refid="classorg_1_1apache_1_1iceberg_1_1relocated_1_1com_1_1google_1_1common_1_1base_1_1Joiner" kindref="compound">Joiner</ref>;</highlight></codeline>
<codeline lineno="37"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.relocated.com.google.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1common" kindref="compound">common</ref>.base.<ref refid="classorg_1_1apache_1_1iceberg_1_1relocated_1_1com_1_1google_1_1common_1_1base_1_1Preconditions" kindref="compound">Preconditions</ref>;</highlight></codeline>
<codeline lineno="38"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.<ref refid="namespaceorg_1_1apache" kindref="compound">apache</ref>.<ref refid="namespaceorg_1_1apache_1_1iceberg" kindref="compound">iceberg</ref>.relocated.com.google.<ref refid="namespaceorg_1_1apache_1_1iceberg_1_1common" kindref="compound">common</ref>.io.ByteStreams;</highlight></codeline>
<codeline lineno="39"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.slf4j.Logger;</highlight></codeline>
<codeline lineno="40"><highlight class="normal"></highlight><highlight class="keyword">import</highlight><highlight class="normal"><sp/><ref refid="namespaceorg" kindref="compound">org</ref>.slf4j.LoggerFactory;</highlight></codeline>
<codeline lineno="41"><highlight class="normal"></highlight></codeline>
<codeline lineno="42"><highlight class="normal"></highlight><highlight class="keyword">class<sp/></highlight><highlight class="normal">ADLSInputStream<sp/></highlight><highlight class="keyword">extends</highlight><highlight class="normal"><sp/>SeekableInputStream<sp/>implements<sp/>RangeReadable<sp/>{</highlight></codeline>
<codeline lineno="43"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/>Logger<sp/>LOG<sp/>=<sp/>LoggerFactory.getLogger(ADLSInputStream.class);</highlight></codeline>
<codeline lineno="44"><highlight class="normal"></highlight></codeline>
<codeline lineno="45"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>max<sp/>skip<sp/>size,<sp/>if<sp/>skip<sp/>is<sp/>larger,<sp/>then<sp/>the<sp/>stream<sp/>will<sp/>be<sp/>reopened<sp/>at<sp/>new<sp/>position</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="46"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>SKIP_SIZE<sp/>=<sp/>1024<sp/>*<sp/>1024;</highlight></codeline>
<codeline lineno="47"><highlight class="normal"></highlight></codeline>
<codeline lineno="48"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/>StackTraceElement[]<sp/>createStack;</highlight></codeline>
<codeline lineno="49"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/>DataLakeFileClient<sp/>fileClient;</highlight></codeline>
<codeline lineno="50"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/>Long<sp/>fileSize;</highlight></codeline>
<codeline lineno="51"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/>AzureProperties<sp/>azureProperties;</highlight></codeline>
<codeline lineno="52"><highlight class="normal"></highlight></codeline>
<codeline lineno="53"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/>InputStream<sp/>stream;</highlight></codeline>
<codeline lineno="54"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>pos;</highlight></codeline>
<codeline lineno="55"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>next;</highlight></codeline>
<codeline lineno="56"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">boolean</highlight><highlight class="normal"><sp/>closed;</highlight></codeline>
<codeline lineno="57"><highlight class="normal"></highlight></codeline>
<codeline lineno="58"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/>Counter<sp/>readBytes;</highlight></codeline>
<codeline lineno="59"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">final</highlight><highlight class="normal"><sp/>Counter<sp/>readOperations;</highlight></codeline>
<codeline lineno="60"><highlight class="normal"></highlight></codeline>
<codeline lineno="61"><highlight class="normal"><sp/><sp/>ADLSInputStream(</highlight></codeline>
<codeline lineno="62"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>DataLakeFileClient<sp/>fileClient,</highlight></codeline>
<codeline lineno="63"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>Long<sp/>fileSize,</highlight></codeline>
<codeline lineno="64"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>AzureProperties<sp/>azureProperties,</highlight></codeline>
<codeline lineno="65"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>MetricsContext<sp/>metrics)<sp/>{</highlight></codeline>
<codeline lineno="66"><highlight class="normal"><sp/><sp/><sp/><sp/>this.fileClient<sp/>=<sp/>fileClient;</highlight></codeline>
<codeline lineno="67"><highlight class="normal"><sp/><sp/><sp/><sp/>this.fileSize<sp/>=<sp/>fileSize;</highlight></codeline>
<codeline lineno="68"><highlight class="normal"><sp/><sp/><sp/><sp/>this.azureProperties<sp/>=<sp/>azureProperties;</highlight></codeline>
<codeline lineno="69"><highlight class="normal"></highlight></codeline>
<codeline lineno="70"><highlight class="normal"><sp/><sp/><sp/><sp/>this.readBytes<sp/>=<sp/>metrics.counter(FileIOMetricsContext.READ_BYTES,<sp/>Unit.BYTES);</highlight></codeline>
<codeline lineno="71"><highlight class="normal"><sp/><sp/><sp/><sp/>this.readOperations<sp/>=<sp/>metrics.counter(FileIOMetricsContext.READ_OPERATIONS);</highlight></codeline>
<codeline lineno="72"><highlight class="normal"></highlight></codeline>
<codeline lineno="73"><highlight class="normal"><sp/><sp/><sp/><sp/>this.createStack<sp/>=<sp/>Thread.currentThread().getStackTrace();</highlight></codeline>
<codeline lineno="74"><highlight class="normal"></highlight></codeline>
<codeline lineno="75"><highlight class="normal"><sp/><sp/><sp/><sp/>openStream();</highlight></codeline>
<codeline lineno="76"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="77"><highlight class="normal"></highlight></codeline>
<codeline lineno="78"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>openStream()<sp/>{</highlight></codeline>
<codeline lineno="79"><highlight class="normal"><sp/><sp/><sp/><sp/>DataLakeFileOpenInputStreamResult<sp/>result<sp/>=</highlight></codeline>
<codeline lineno="80"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>fileClient.openInputStream(getInputOptions(</highlight><highlight class="keyword">new</highlight><highlight class="normal"><sp/>FileRange(pos)));</highlight></codeline>
<codeline lineno="81"><highlight class="normal"><sp/><sp/><sp/><sp/>this.fileSize<sp/>=<sp/>result.getProperties().getFileSize();</highlight></codeline>
<codeline lineno="82"><highlight class="normal"><sp/><sp/><sp/><sp/>this.stream<sp/>=<sp/>result.getInputStream();</highlight></codeline>
<codeline lineno="83"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="84"><highlight class="normal"></highlight></codeline>
<codeline lineno="85"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/>DataLakeFileInputStreamOptions<sp/>getInputOptions(FileRange<sp/>range)<sp/>{</highlight></codeline>
<codeline lineno="86"><highlight class="normal"><sp/><sp/><sp/><sp/>DataLakeFileInputStreamOptions<sp/>options<sp/>=<sp/></highlight><highlight class="keyword">new</highlight><highlight class="normal"><sp/>DataLakeFileInputStreamOptions();</highlight></codeline>
<codeline lineno="87"><highlight class="normal"><sp/><sp/><sp/><sp/>azureProperties.adlsReadBlockSize().ifPresent(options::setBlockSize);</highlight></codeline>
<codeline lineno="88"><highlight class="normal"><sp/><sp/><sp/><sp/>options.setRange(range);</highlight></codeline>
<codeline lineno="89"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>options;</highlight></codeline>
<codeline lineno="90"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="91"><highlight class="normal"></highlight></codeline>
<codeline lineno="92"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="93"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>getPos()<sp/>{</highlight></codeline>
<codeline lineno="94"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>next;</highlight></codeline>
<codeline lineno="95"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="96"><highlight class="normal"></highlight></codeline>
<codeline lineno="97"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="98"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>seek(</highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>newPos)<sp/>{</highlight></codeline>
<codeline lineno="99"><highlight class="normal"><sp/><sp/><sp/><sp/>Preconditions.checkState(!closed,<sp/></highlight><highlight class="stringliteral">&quot;Cannot<sp/>seek:<sp/>already<sp/>closed&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="100"><highlight class="normal"><sp/><sp/><sp/><sp/>Preconditions.checkArgument(newPos<sp/>&gt;=<sp/>0,<sp/></highlight><highlight class="stringliteral">&quot;Cannot<sp/>seek:<sp/>position<sp/>%s<sp/>is<sp/>negative&quot;</highlight><highlight class="normal">,<sp/>newPos);</highlight></codeline>
<codeline lineno="101"><highlight class="normal"></highlight></codeline>
<codeline lineno="102"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>this<sp/>allows<sp/>a<sp/>seek<sp/>beyond<sp/>the<sp/>end<sp/>of<sp/>the<sp/>stream<sp/>but<sp/>the<sp/>next<sp/>read<sp/>will<sp/>fail</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="103"><highlight class="normal"><sp/><sp/><sp/><sp/>this.next<sp/>=<sp/>newPos;</highlight></codeline>
<codeline lineno="104"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="105"><highlight class="normal"></highlight></codeline>
<codeline lineno="106"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="107"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>read()<sp/>throws<sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="108"><highlight class="normal"><sp/><sp/><sp/><sp/>Preconditions.checkState(!closed,<sp/></highlight><highlight class="stringliteral">&quot;Cannot<sp/>read:<sp/>already<sp/>closed&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="109"><highlight class="normal"><sp/><sp/><sp/><sp/>positionStream();</highlight></codeline>
<codeline lineno="110"><highlight class="normal"></highlight></codeline>
<codeline lineno="111"><highlight class="normal"><sp/><sp/><sp/><sp/>pos<sp/>+=<sp/>1;</highlight></codeline>
<codeline lineno="112"><highlight class="normal"><sp/><sp/><sp/><sp/>next<sp/>+=<sp/>1;</highlight></codeline>
<codeline lineno="113"><highlight class="normal"><sp/><sp/><sp/><sp/>readBytes.increment();</highlight></codeline>
<codeline lineno="114"><highlight class="normal"><sp/><sp/><sp/><sp/>readOperations.increment();</highlight></codeline>
<codeline lineno="115"><highlight class="normal"></highlight></codeline>
<codeline lineno="116"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>stream.read();</highlight></codeline>
<codeline lineno="117"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="118"><highlight class="normal"></highlight></codeline>
<codeline lineno="119"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="120"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>read(</highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/>b,<sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>off,<sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>len)<sp/></highlight><highlight class="keywordflow">throws</highlight><highlight class="normal"><sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="121"><highlight class="normal"><sp/><sp/><sp/><sp/>Preconditions.checkState(!closed,<sp/></highlight><highlight class="stringliteral">&quot;Cannot<sp/>read:<sp/>already<sp/>closed&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="122"><highlight class="normal"><sp/><sp/><sp/><sp/>positionStream();</highlight></codeline>
<codeline lineno="123"><highlight class="normal"></highlight></codeline>
<codeline lineno="124"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>bytesRead<sp/>=<sp/>stream.read(b,<sp/>off,<sp/>len);</highlight></codeline>
<codeline lineno="125"><highlight class="normal"><sp/><sp/><sp/><sp/>pos<sp/>+=<sp/>bytesRead;</highlight></codeline>
<codeline lineno="126"><highlight class="normal"><sp/><sp/><sp/><sp/>next<sp/>+=<sp/>bytesRead;</highlight></codeline>
<codeline lineno="127"><highlight class="normal"><sp/><sp/><sp/><sp/>readBytes.increment(bytesRead);</highlight></codeline>
<codeline lineno="128"><highlight class="normal"><sp/><sp/><sp/><sp/>readOperations.increment();</highlight></codeline>
<codeline lineno="129"><highlight class="normal"></highlight></codeline>
<codeline lineno="130"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>bytesRead;</highlight></codeline>
<codeline lineno="131"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="132"><highlight class="normal"></highlight></codeline>
<codeline lineno="133"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>positionStream()<sp/>throws<sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="134"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((stream<sp/>!=<sp/></highlight><highlight class="keyword">null</highlight><highlight class="normal">)<sp/>&amp;&amp;<sp/>(next<sp/>==<sp/>pos))<sp/>{</highlight></codeline>
<codeline lineno="135"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>already<sp/>at<sp/>specified<sp/>position</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="136"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="137"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="138"><highlight class="normal"></highlight></codeline>
<codeline lineno="139"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((stream<sp/>!=<sp/></highlight><highlight class="keyword">null</highlight><highlight class="normal">)<sp/>&amp;&amp;<sp/>(next<sp/>&gt;<sp/>pos))<sp/>{</highlight></codeline>
<codeline lineno="140"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>seeking<sp/>forwards</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="141"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>skip<sp/>=<sp/>next<sp/>-<sp/>pos;</highlight></codeline>
<codeline lineno="142"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(skip<sp/>&lt;=<sp/>Math.max(stream.available(),<sp/>SKIP_SIZE))<sp/>{</highlight></codeline>
<codeline lineno="143"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>already<sp/>buffered<sp/>or<sp/>seek<sp/>is<sp/>small<sp/>enough</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="144"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">try</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline lineno="145"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>ByteStreams.skipFully(stream,<sp/>skip);</highlight></codeline>
<codeline lineno="146"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>this.pos<sp/>=<sp/>next;</highlight></codeline>
<codeline lineno="147"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="148"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">catch</highlight><highlight class="normal"><sp/>(IOException<sp/>ignored)<sp/>{</highlight></codeline>
<codeline lineno="149"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>will<sp/>retry<sp/>by<sp/>re-opening<sp/>the<sp/>stream</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="150"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="151"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="152"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="153"><highlight class="normal"></highlight></codeline>
<codeline lineno="154"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>close<sp/>the<sp/>stream<sp/>and<sp/>open<sp/>at<sp/>desired<sp/>position</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="155"><highlight class="normal"><sp/><sp/><sp/><sp/>this.pos<sp/>=<sp/>next;</highlight></codeline>
<codeline lineno="156"><highlight class="normal"><sp/><sp/><sp/><sp/>openStream();</highlight></codeline>
<codeline lineno="157"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="158"><highlight class="normal"></highlight></codeline>
<codeline lineno="159"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="160"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/><ref refid="interfaceorg_1_1apache_1_1iceberg_1_1io_1_1RangeReadable_1aeccec4fbc9a3ab95a1b0ab1e5390563e" kindref="member">readFully</ref>(</highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>position,<sp/></highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/>buffer,<sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>offset,<sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>length)<sp/></highlight><highlight class="keywordflow">throws</highlight><highlight class="normal"><sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="161"><highlight class="normal"><sp/><sp/><sp/><sp/>Preconditions.checkPositionIndexes(offset,<sp/>offset<sp/>+<sp/>length,<sp/>buffer.length);</highlight></codeline>
<codeline lineno="162"><highlight class="normal"></highlight></codeline>
<codeline lineno="163"><highlight class="normal"><sp/><sp/><sp/><sp/>FileRange<sp/>range<sp/>=<sp/></highlight><highlight class="keyword">new</highlight><highlight class="normal"><sp/>FileRange(position,<sp/>position<sp/>+<sp/>length);</highlight></codeline>
<codeline lineno="164"><highlight class="normal"></highlight></codeline>
<codeline lineno="165"><highlight class="normal"><sp/><sp/><sp/><sp/>IOUtil.readFully(openRange(range),<sp/>buffer,<sp/>offset,<sp/>length);</highlight></codeline>
<codeline lineno="166"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="167"><highlight class="normal"></highlight></codeline>
<codeline lineno="168"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="169"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/><ref refid="interfaceorg_1_1apache_1_1iceberg_1_1io_1_1RangeReadable_1a908bd2bab3cce2e604bd7223798a6c1e" kindref="member">readTail</ref>(</highlight><highlight class="keywordtype">byte</highlight><highlight class="normal">[]<sp/>buffer,<sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>offset,<sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>length)<sp/></highlight><highlight class="keywordflow">throws</highlight><highlight class="normal"><sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="170"><highlight class="normal"><sp/><sp/><sp/><sp/>Preconditions.checkPositionIndexes(offset,<sp/>offset<sp/>+<sp/>length,<sp/>buffer.length);</highlight></codeline>
<codeline lineno="171"><highlight class="normal"></highlight></codeline>
<codeline lineno="172"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(this.fileSize<sp/>==<sp/></highlight><highlight class="keyword">null</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="173"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>this.fileSize<sp/>=<sp/>fileClient.getProperties().getFileSize();</highlight></codeline>
<codeline lineno="174"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="175"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">long</highlight><highlight class="normal"><sp/>readStart<sp/>=<sp/>fileSize<sp/>-<sp/>length;</highlight></codeline>
<codeline lineno="176"><highlight class="normal"></highlight></codeline>
<codeline lineno="177"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>IOUtil.readRemaining(openRange(</highlight><highlight class="keyword">new</highlight><highlight class="normal"><sp/>FileRange(readStart)),<sp/>buffer,<sp/>offset,<sp/>length);</highlight></codeline>
<codeline lineno="178"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="179"><highlight class="normal"></highlight></codeline>
<codeline lineno="180"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/>InputStream<sp/>openRange(FileRange<sp/>range)<sp/>{</highlight></codeline>
<codeline lineno="181"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>fileClient.openInputStream(getInputOptions(range)).getInputStream();</highlight></codeline>
<codeline lineno="182"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="183"><highlight class="normal"></highlight></codeline>
<codeline lineno="184"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="185"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>close()<sp/>throws<sp/>IOException<sp/>{</highlight></codeline>
<codeline lineno="186"><highlight class="normal"><sp/><sp/><sp/><sp/>super.close();</highlight></codeline>
<codeline lineno="187"><highlight class="normal"><sp/><sp/><sp/><sp/>this.closed<sp/>=<sp/></highlight><highlight class="keyword">true</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="188"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(stream<sp/>!=<sp/></highlight><highlight class="keyword">null</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="189"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>stream.close();</highlight></codeline>
<codeline lineno="190"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="191"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="192"><highlight class="normal"></highlight></codeline>
<codeline lineno="193"><highlight class="normal"><sp/><sp/>@SuppressWarnings(</highlight><highlight class="stringliteral">&quot;checkstyle:NoFinalizer&quot;</highlight><highlight class="normal">)</highlight></codeline>
<codeline lineno="194"><highlight class="normal"><sp/><sp/>@Override</highlight></codeline>
<codeline lineno="195"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">protected</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">void</highlight><highlight class="normal"><sp/>finalize()<sp/>throws<sp/>Throwable<sp/>{</highlight></codeline>
<codeline lineno="196"><highlight class="normal"><sp/><sp/><sp/><sp/>super.finalize();</highlight></codeline>
<codeline lineno="197"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!closed)<sp/>{</highlight></codeline>
<codeline lineno="198"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>close();<sp/></highlight><highlight class="comment">//<sp/>releasing<sp/>resources<sp/>is<sp/>more<sp/>important<sp/>than<sp/>printing<sp/>the<sp/>warning</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="199"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>String<sp/>trace<sp/>=<sp/>Joiner.on(</highlight><highlight class="stringliteral">&quot;\n\t&quot;</highlight><highlight class="normal">).join(Arrays.copyOfRange(createStack,<sp/>1,<sp/>createStack.length));</highlight></codeline>
<codeline lineno="200"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>LOG.warn(</highlight><highlight class="stringliteral">&quot;Unclosed<sp/>input<sp/>stream<sp/>created<sp/>by:\n\t{}&quot;</highlight><highlight class="normal">,<sp/>trace);</highlight></codeline>
<codeline lineno="201"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="202"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="203"><highlight class="normal">}</highlight></codeline>
    </programlisting>
    <location file="azure/src/main/java/org/apache/iceberg/azure/adlsv2/ADLSInputStream.java"/>
  </compounddef>
</doxygen>