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From t...@apache.org
Subject [12/51] [partial] kudu-site git commit: Publish commit(s) from site source repo: 95b9a7a Update site for 1.2.0 release 5095504 KUDU-1818. Add link to Cloudera training in FAQ
Date Fri, 20 Jan 2017 19:19:58 GMT
http://git-wip-us.apache.org/repos/asf/kudu-site/blob/9b792926/cpp-client-api/status_8h_source.html
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-<div class="line"><a name="l00290"></a><span class="lineno"><a class="line" href="classkudu_1_1Status.html#af68a02f8069b1a8670fcc1b7acd869b9">  290</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classkudu_1_1Status.html#af68a02f8069b1a8670fcc1b7acd869b9">IsIncomplete</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> code() == kIncomplete; }</div>
-<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;</div>
-<div class="line"><a name="l00293"></a><span class="lineno"><a class="line" href="classkudu_1_1Status.html#adead843ea27f50252f561c995c97b2e6">  293</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classkudu_1_1Status.html#adead843ea27f50252f561c995c97b2e6">IsEndOfFile</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> code() == kEndOfFile; }</div>
-<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;</div>
-<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;  std::string ToString() <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;</div>
-<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;  std::string CodeAsString() <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;</div>
-<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;  <a class="code" href="classkudu_1_1Slice.html">Slice</a> message() <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;</div>
-<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;  int16_t posix_code() <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;</div>
-<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;  <a class="code" href="classkudu_1_1Status.html">Status</a> CloneAndPrepend(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;</div>
-<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;  <a class="code" href="classkudu_1_1Status.html">Status</a> CloneAndAppend(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;</div>
-<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;  <span class="keywordtype">size_t</span> memory_footprint_excluding_this() <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;</div>
-<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;  <span class="keywordtype">size_t</span> memory_footprint_including_this() <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;</div>
-<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160; <span class="keyword">private</span>:</div>
-<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;  <span class="comment">// OK status has a NULL state_.  Otherwise, state_ is a new[] array</span></div>
-<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;  <span class="comment">// of the following form:</span></div>
-<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;  <span class="comment">//    state_[0..3] == length of message</span></div>
-<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;  <span class="comment">//    state_[4]    == code</span></div>
-<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;  <span class="comment">//    state_[5..6] == posix_code</span></div>
-<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;  <span class="comment">//    state_[7..]  == message</span></div>
-<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>* state_;</div>
-<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;</div>
-<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;  <span class="keyword">enum</span> Code {</div>
-<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;    kOk = 0,</div>
-<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;    kNotFound = 1,</div>
-<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;    kCorruption = 2,</div>
-<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;    kNotSupported = 3,</div>
-<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;    kInvalidArgument = 4,</div>
-<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;    kIOError = 5,</div>
-<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    kAlreadyPresent = 6,</div>
-<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;    kRuntimeError = 7,</div>
-<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    kNetworkError = 8,</div>
-<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    kIllegalState = 9,</div>
-<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    kNotAuthorized = 10,</div>
-<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;    kAborted = 11,</div>
-<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;    kRemoteError = 12,</div>
-<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;    kServiceUnavailable = 13,</div>
-<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;    kTimedOut = 14,</div>
-<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;    kUninitialized = 15,</div>
-<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;    kConfigurationError = 16,</div>
-<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;    kIncomplete = 17,</div>
-<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;    kEndOfFile = 18,</div>
-<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;    <span class="comment">// NOTE: Remember to duplicate these constants into wire_protocol.proto and</span></div>
-<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    <span class="comment">// and to add StatusTo/FromPB ser/deser cases in wire_protocol.cc !</span></div>
-<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;    <span class="comment">// Also remember to make the same changes to the java client in Status.java.</span></div>
-<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;    <span class="comment">//</span></div>
-<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;    <span class="comment">// TODO: Move error codes into an error_code.proto or something similar.</span></div>
-<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;  };</div>
-<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;  COMPILE_ASSERT(<span class="keyword">sizeof</span>(Code) == 4, code_enum_size_is_part_of_abi);</div>
-<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;</div>
-<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;  Code code()<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;    <span class="keywordflow">return</span> (state_ == NULL) ? kOk : <span class="keyword">static_cast&lt;</span>Code<span class="keyword">&gt;</span>(state_[4]);</div>
-<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;  }</div>
-<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;</div>
-<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;  Status(Code code, <span class="keyword">const</span> Slice&amp; msg, <span class="keyword">const</span> Slice&amp; msg2, int16_t posix_code);</div>
-<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* CopyState(<span class="keyword">const</span> <span class="keywordtype">char</span>* s);</div>
-<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;};</div>
-<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;</div>
-<div class="line"><a name="l00386"></a><span class="lineno"><a class="line" href="classkudu_1_1Status.html#affca5639a3341212bb23ae7f5c701803">  386</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="classkudu_1_1Status.html#ad14eb530b3449967ee976aaa1c0bcde0">Status::Status</a>(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Status.html">Status</a>&amp; s) {</div>
-<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;  state_ = (s.state_ == NULL) ? NULL : CopyState(s.state_);</div>
-<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;}</div>
-<div class="line"><a name="l00389"></a><span class="lineno"><a class="line" href="classkudu_1_1Status.html#ae63eecd6e48fa007b2334b6459972c39">  389</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classkudu_1_1Status.html#ae63eecd6e48fa007b2334b6459972c39">Status::operator=</a>(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Status.html">Status</a>&amp; s) {</div>
-<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;  <span class="comment">// The following condition catches both aliasing (when this == &amp;s),</span></div>
-<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;  <span class="comment">// and the common case where both s and *this are ok.</span></div>
-<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;  <span class="keywordflow">if</span> (state_ != s.state_) {</div>
-<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;    <span class="keyword">delete</span>[] state_;</div>
-<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;    state_ = (s.state_ == NULL) ? NULL : CopyState(s.state_);</div>
-<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;  }</div>
-<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;}</div>
-<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;</div>
-<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;<span class="preprocessor">#if __cplusplus &gt;= 201103L</span></div>
-<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="preprocessor"></span><span class="keyword">inline</span> <a class="code" href="classkudu_1_1Status.html#ad14eb530b3449967ee976aaa1c0bcde0">Status::Status</a>(<a class="code" href="classkudu_1_1Status.html">Status</a>&amp;&amp; s) : state_(s.state_) {</div>
-<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;  s.state_ = <span class="keyword">nullptr</span>;</div>
-<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;}</div>
-<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;</div>
-<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classkudu_1_1Status.html#ae63eecd6e48fa007b2334b6459972c39">Status::operator=</a>(Status&amp;&amp; s) {</div>
-<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;  <span class="keywordflow">if</span> (state_ != s.state_) {</div>
-<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;    <span class="keyword">delete</span>[] state_;</div>
-<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;    state_ = s.state_;</div>
-<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;    s.state_ = <span class="keyword">nullptr</span>;</div>
-<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;  }</div>
-<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;}</div>
-<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;<span class="preprocessor">#endif</span></div>
-<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;<span class="preprocessor"></span></div>
-<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;}  <span class="comment">// namespace kudu</span></div>
-<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;</div>
-<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;<span class="preprocessor">#endif  // KUDU_UTIL_STATUS_H_</span></div>
-<div class="ttc" id="classkudu_1_1Status_html_ad14eb530b3449967ee976aaa1c0bcde0"><div class="ttname"><a href="classkudu_1_1Status.html#ad14eb530b3449967ee976aaa1c0bcde0">kudu::Status::Status</a></div><div class="ttdeci">Status()</div><div class="ttdoc">Create an object representing success status. </div><div class="ttdef"><b>Definition:</b> status.h:119</div></div>
+<a href="status_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// Copyright (c) 2011 The LevelDB Authors. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// found in the LICENSE file. See the AUTHORS file for names of contributors.</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// A Status encapsulates the result of an operation.  It may indicate success,</span></div><div class="line"><a name="l00006"></a><span class=
 "lineno">    6</span>&#160;<span class="comment">// or it may indicate an error with an associated error message.</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// Multiple threads can invoke const methods on a Status without</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// external synchronization, but if any of the threads may call a</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">// non-const method, all threads accessing the same Status must use</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">// external synchronization.</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</
 div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#ifndef KUDU_UTIL_STATUS_H_</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#define KUDU_UTIL_STATUS_H_</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;stdint.h&gt;</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#ifdef KUDU_HEADERS_NO_STUBS</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">
 #include &quot;kudu/gutil/macros.h&quot;</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &quot;kudu/gutil/port.h&quot;</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &quot;kudu/client/stubs.h&quot;</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &quot;kudu/util/kudu_export.h&quot;</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &quot;kudu/util/slice.h
 &quot;</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="status_8h.html#a0de56a3f0e9d83b8ffdd63eac83c54ab">   30</a></span>&#160;<span class="preprocessor">#define KUDU_RETURN_NOT_OK(s) do { \</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">    const ::kudu::Status&amp; _s = (s);             \</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">    if (PREDICT_FALSE(!_s.ok())) return _s;     \</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">  } while (0);</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="status_8h.html#af66b8458f1d3
 f1264c1da86744e29e46">   37</a></span>&#160;<span class="preprocessor">#define KUDU_RETURN_NOT_OK_PREPEND(s, msg) do { \</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">    const ::kudu::Status&amp; _s = (s);                              \</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">    if (PREDICT_FALSE(!_s.ok())) return _s.CloneAndPrepend(msg); \</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">  } while (0);</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="status_8h.html#a58d31c81bf1101a3ead737e9a4a4f223">   45</a></span>&#160;<span class="preprocessor">#define KUDU_RETURN_NOT_OK_RET(to_call, to_return) do { \</span></div><div class="line"><a name
 ="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">    const ::kudu::Status&amp; s = (to_call);                \</span></div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor">    if (PREDICT_FALSE(!s.ok())) return (to_return);  \</span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">  } while (0);</span></div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="status_8h.html#a1e64fec5ef85c0c738f6ac3f398f607e">   51</a></span>&#160;<span class="preprocessor">#define KUDU_WARN_NOT_OK(to_call, warning_prefix) do { \</span></div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="preprocessor">    const ::kudu::Status&amp; _s = (to_call);              \</span></div><div class="line"><a name="
 l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">    if (PREDICT_FALSE(!_s.ok())) { \</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">      KUDU_LOG(WARNING) &lt;&lt; (warning_prefix) &lt;&lt; &quot;: &quot; &lt;&lt; _s.ToString();  \</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="preprocessor">    } \</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">  } while (0);</span></div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="status_8h.html#abbd85cc2c5535627091bb06a21918150">   59</a></span>&#160;<span class="preprocessor">#define KUDU_LOG_AND_RETURN(level, status) do { \</span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</s
 pan>&#160;<span class="preprocessor">    const ::kudu::Status&amp; _s = (status);        \</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor">    KUDU_LOG(level) &lt;&lt; _s.ToString(); \</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="preprocessor">    return _s; \</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor">  } while (0);</span></div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="status_8h.html#af09a6a2eca53c9424d74c7fd9f39c5ce">   66</a></span>&#160;<span class="preprocessor">#define KUDU_RETURN_NOT_OK_LOG(s, level, msg) do { \</span></div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="preprocessor">    const ::kudu::Status&amp; 
 _s = (s);             \</span></div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="preprocessor">    if (PREDICT_FALSE(!_s.ok())) { \</span></div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="preprocessor">      KUDU_LOG(level) &lt;&lt; &quot;Status: &quot; &lt;&lt; _s.ToString() &lt;&lt; &quot; &quot; &lt;&lt; (msg); \</span></div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="preprocessor">      return _s;     \</span></div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="preprocessor">    } \</span></div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="preprocessor">  } while (0);</span></div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="status_8h.h
 tml#a706c9f6ef1715b8f7a9185fb3c247d3f">   76</a></span>&#160;<span class="preprocessor">#define KUDU_CHECK_OK_PREPEND(to_call, msg) do { \</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="preprocessor">    const ::kudu::Status&amp; _s = (to_call);                   \</span></div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="preprocessor">    KUDU_CHECK(_s.ok()) &lt;&lt; (msg) &lt;&lt; &quot;: &quot; &lt;&lt; _s.ToString();  \</span></div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="preprocessor">  } while (0);</span></div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="status_8h.html#ac503ba85e942147294cdc82087da60f6">   83</a></span>&#160;<span class="preprocessor">#define KUDU_CHECK_OK(s) KUDU_CHECK_OK_PREPEND(s, &quot;Bad
  status&quot;)</span></div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="preprocessor">#ifdef KUDU_HEADERS_USE_SHORT_STATUS_MACROS</span></div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="preprocessor">#define RETURN_NOT_OK         KUDU_RETURN_NOT_OK</span></div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="preprocessor">#define RETURN_NOT_OK_PREPEND KUDU_RETURN_NOT_OK_PREPEND</span></div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="preprocessor">#define RETURN_NOT_OK_RET     KUDU_RETURN_NOT_OK_RET</span></div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="preprocessor">#define WARN_NOT_OK           KUDU_WARN_NOT_OK</span></div><div class="line"><a name="l00103"></a><span class=
 "lineno">  103</span>&#160;<span class="preprocessor">#define LOG_AND_RETURN        KUDU_LOG_AND_RETURN</span></div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="preprocessor">#define RETURN_NOT_OK_LOG     KUDU_RETURN_NOT_OK_LOG</span></div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="preprocessor">#define CHECK_OK_PREPEND      KUDU_CHECK_OK_PREPEND</span></div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="preprocessor">#define CHECK_OK              KUDU_CHECK_OK</span></div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="comment">// These are standard glog macros.</span></div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor">#define KUDU_LOG              LOG</span></div
 ><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="preprocessor">#define KUDU_CHECK            CHECK</span></div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacekudu.html">kudu</a> {</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="classkudu_1_1Status.html">  116</a></span>&#160;<span class="keyword">class </span>KUDU_EXPORT <a class="code" href="classkudu_1_1Status.html">Status</a> {</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160; <span class="keyword">public</span>:</div><div class="
 line"><a name="l00119"></a><span class="lineno"><a class="line" href="classkudu_1_1Status.html#ad14eb530b3449967ee976aaa1c0bcde0">  119</a></span>&#160;  <a class="code" href="classkudu_1_1Status.html#ad14eb530b3449967ee976aaa1c0bcde0">Status</a>() : state_(NULL) { }</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;  ~<a class="code" href="classkudu_1_1Status.html">Status</a>() { <span class="keyword">delete</span>[] state_; }</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;  <a class="code" href="classkudu_1_1Status.html">Status</a>(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Status.html">Status</a>&amp; s);</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div><div class="line"><a name="l
 00133"></a><span class="lineno">  133</span>&#160;  <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Status.html">Status</a>&amp; s);</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="preprocessor">#if __cplusplus &gt;= 201103L</span></div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;  <a class="code" href="classkudu_1_1Status.html">Status</a>(<a class="code" href="classkudu_1_1Status.html">Status</a>&amp;&amp; s);</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;  <span class="keywordtype">void</span> operator=(<a class="code" href="classkudu_1_1Status.html">Status</a>&amp;&amp; s);</div><div class="line"><a name="l00147"></a><span class=
 "lineno">  147</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;</div><div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="classkudu_1_1Status.html#adaff3248b2f66041d0a7dd59f118b7ac">  150</a></span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> <a class="code" href="classkudu_1_1Status.html#adaff3248b2f66041d0a7dd59f118b7ac">OK</a>() { <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(); }</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> NotFound(<span class="keyword">con
 st</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kNotFound, msg, msg2, posix_code);</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;  }</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> Corruption(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword
 ">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kCorruption, msg, msg2, posix_code);</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;  }</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> NotSupported(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class=
 "code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kNotSupported, msg, msg2, posix_code);</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;  }</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> InvalidArgument(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l0017
 7"></a><span class="lineno">  177</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kInvalidArgument, msg, msg2, posix_code);</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;  }</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> IOError(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;                         int16_t posix_code = -
 1) {</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kIOError, msg, msg2, posix_code);</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;  }</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> AlreadyPresent(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    <s
 pan class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kAlreadyPresent, msg, msg2, posix_code);</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;  }</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> RuntimeError(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Sta
 tus</a>(kRuntimeError, msg, msg2, posix_code);</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;  }</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> NetworkError(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kNetworkError, msg, msg2, posix_code);</div><div class="line"><a name="l00195"></a>
 <span class="lineno">  195</span>&#160;  }</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> IllegalState(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kIllegalState, msg, msg2, posix_code);</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;  }</div><div class="line"><a name="l00200"></a><spa
 n class="lineno">  200</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> NotAuthorized(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kNotAuthorized, msg, msg2, posix_code);</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;  }</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;  <span class="keyword">static</span> <a class="code" 
 href="classkudu_1_1Status.html">Status</a> Aborted(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kAborted, msg, msg2, posix_code);</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;  }</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> RemoteError(<span class="keyword">const</span> <a class="c
 ode" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kRemoteError, msg, msg2, posix_code);</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;  }</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> ServiceUnavailable(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</s
 pan> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kServiceUnavailable, msg, msg2, posix_code);</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;  }</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> TimedOut(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code"
  href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                         int16_t posix_code = -1) {</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kTimedOut, msg, msg2, posix_code);</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;  }</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> Uninitialized(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00221"></a><span
  class="lineno">  221</span>&#160;                              int16_t posix_code = -1) {</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kUninitialized, msg, msg2, posix_code);</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;  }</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> ConfigurationError(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;                                   int16_t po
 six_code = -1) {</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kConfigurationError, msg, msg2, posix_code);</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;  }</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> Incomplete(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>&amp; msg2 = <a class="code" href="classkudu_1_1Slice.html">Slice</a>(),</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;                           int64_t posix_code = -1) {</div><div class="line"><a name="l00230"></a><span class="lineno">  2
 30</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classkudu_1_1Status.html">Status</a>(kIncomplete, msg, msg2, posix_code);</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;  }</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;  <span class="keyword">static</span> <a class="code" href="classkudu_1_1Status.html">Status</a> EndOfFile(<span class="keyword">const</span> <a class="code" href="c

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