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| <div class="navpath"><b>kudu</b>::<a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> |
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| <div class="contents"> |
| <h1>kudu::MonoTime Class Reference</h1><!-- doxytag: class="kudu::MonoTime" --> |
| <p>Representation of a particular point in time. |
| <a href="#_details">More...</a></p> |
| |
| <p><code>#include <<a class="el" href="monotime_8h_source.html">monotime.h</a>></code></p> |
| |
| <p><a href="classkudu_1_1MonoTime-members.html">List of all members.</a></p> |
| <table border="0" cellpadding="0" cellspacing="0"> |
| <tr><td colspan="2"><h2>Public Member Functions</h2></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#a8f49b7fd2e217b5541d4ce45bda63bd4">MonoTime</a> ()</td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#a4ba08bf71a2496672338522952301926">Initialized</a> () const </td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classkudu_1_1MonoDelta.html">MonoDelta</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#ae1a49263c54563ea72ea10033ab8ccdb">GetDeltaSince</a> (const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> &rhs) const </td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#a17dd3af0b55e8d19dc986101ba998de1">AddDelta</a> (const <a class="el" href="classkudu_1_1MonoDelta.html">MonoDelta</a> &delta)</td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#a20b322e3ce700c15445943ec02255623">ComesBefore</a> (const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> &rhs) const </td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#a47cd514149a06d1fbf2d10d08ef29957">ToString</a> () const </td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#a25f2816574ca7f424b79644e30774818">Equals</a> (const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> &other) const </td></tr> |
| <tr><td colspan="2"><div class="groupHeader">Syntactic sugar: increment/decrement operators for MonoTime.</div></td></tr> |
| <tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp9ff7934cb5a5699d017de42321ecbf83"></a> Add a delta to the point in time represented by the object.</p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table border="0" cellspacing="2" cellpadding="0"> |
| <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>delta</em> </td><td>The delta to add. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="return"><dt><b>Returns:</b></dt><dd>Reference to the modified object. </dd></dl> |
| <br/><br/></div></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a017b8fce3205d1c9a936d96cc4a5b452"></a><!-- doxytag: member="kudu::MonoTime::operator+=" ref="a017b8fce3205d1c9a936d96cc4a5b452" args="(const MonoDelta &delta)" --> |
| <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> & </td><td class="memItemRight" valign="bottom"><b>operator+=</b> (const <a class="el" href="classkudu_1_1MonoDelta.html">MonoDelta</a> &delta)</td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#a2264cf528d0a346e60e0921022333bf8">operator-=</a> (const <a class="el" href="classkudu_1_1MonoDelta.html">MonoDelta</a> &delta)</td></tr> |
| <tr><td colspan="2"><h2>Static Public Member Functions</h2></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#a6c83d5c31e6ea5a869a655646f924783">Now</a> ()</td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#a28d08092b30ccefc5e45a6e228034ef9">Max</a> ()</td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#acf4fc0351fe9245431932e481e002b99">Min</a> ()</td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">static const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1MonoTime.html#aa553eb3e11cae70a9ee8839a39fc7a14">Earliest</a> (const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> &a, const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> &b)</td></tr> |
| <tr><td colspan="2"><h2>Static Public Attributes</h2></td></tr> |
| <tr><td colspan="2"><div class="groupHeader">Conversion constants for ubiquitous time units.</div></td></tr> |
| <tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrpcd3bcdf01013feae16b4697651cb8bd9"></a> </p> |
| <br/><br/></div></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a33db0c34f47f05d63bf2fddbff5b6b18"></a><!-- doxytag: member="kudu::MonoTime::kNanosecondsPerSecond" ref="a33db0c34f47f05d63bf2fddbff5b6b18" args="" --> |
| static const int64_t </td><td class="memItemRight" valign="bottom"><b>kNanosecondsPerSecond</b> = 1000000000L</td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab2f5fba731df8ae202ffadf7c5c49ef7"></a><!-- doxytag: member="kudu::MonoTime::kNanosecondsPerMillisecond" ref="ab2f5fba731df8ae202ffadf7c5c49ef7" args="" --> |
| static const int64_t </td><td class="memItemRight" valign="bottom"><b>kNanosecondsPerMillisecond</b> = 1000000L</td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8df74187bdc60ef6192c0a4467ed9583"></a><!-- doxytag: member="kudu::MonoTime::kNanosecondsPerMicrosecond" ref="a8df74187bdc60ef6192c0a4467ed9583" args="" --> |
| static const int64_t </td><td class="memItemRight" valign="bottom"><b>kNanosecondsPerMicrosecond</b> = 1000L</td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad4b22e81d4c5bf23d2dc545f86865d9f"></a><!-- doxytag: member="kudu::MonoTime::kMicrosecondsPerSecond" ref="ad4b22e81d4c5bf23d2dc545f86865d9f" args="" --> |
| static const int64_t </td><td class="memItemRight" valign="bottom"><b>kMicrosecondsPerSecond</b> = 1000000L</td></tr> |
| <tr><td colspan="2"><h2>Friends</h2></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad1cb31436a9f10ed819de0dd68405766"></a><!-- doxytag: member="kudu::MonoTime::MonoDelta" ref="ad1cb31436a9f10ed819de0dd68405766" args="" --> |
| class </td><td class="memItemRight" valign="bottom"><b>MonoDelta</b></td></tr> |
| </table> |
| <hr/><a name="_details"></a><h2>Detailed Description</h2> |
| <p>Representation of a particular point in time. </p> |
| <p>The <a class="el" href="classkudu_1_1MonoTime.html" title="Representation of a particular point in time.">MonoTime</a> class represents a particular point in time, relative to some fixed but unspecified reference point.</p> |
| <p>This time is monotonic, meaning that if the user changes his or her system clock, the monotime does not change. </p> |
| <hr/><h2>Constructor & Destructor Documentation</h2> |
| <a class="anchor" id="a8f49b7fd2e217b5541d4ce45bda63bd4"></a><!-- doxytag: member="kudu::MonoTime::MonoTime" ref="a8f49b7fd2e217b5541d4ce45bda63bd4" args="()" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">kudu::MonoTime::MonoTime </td> |
| <td>(</td> |
| <td class="paramname"></td> |
| <td> ) </td> |
| <td></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>Build a <a class="el" href="classkudu_1_1MonoTime.html" title="Representation of a particular point in time.">MonoTime</a> object. The resulting object is not initialized and not ready to use. </p> |
| |
| </div> |
| </div> |
| <hr/><h2>Member Function Documentation</h2> |
| <a class="anchor" id="a17dd3af0b55e8d19dc986101ba998de1"></a><!-- doxytag: member="kudu::MonoTime::AddDelta" ref="a17dd3af0b55e8d19dc986101ba998de1" args="(const MonoDelta &delta)" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void kudu::MonoTime::AddDelta </td> |
| <td>(</td> |
| <td class="paramtype">const <a class="el" href="classkudu_1_1MonoDelta.html">MonoDelta</a> & </td> |
| <td class="paramname"> <em>delta</em></td> |
| <td> ) </td> |
| <td></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>Advance this object's time specification by the specified interval.</p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table border="0" cellspacing="2" cellpadding="0"> |
| <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>delta</em> </td><td>The time interval to add. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a20b322e3ce700c15445943ec02255623"></a><!-- doxytag: member="kudu::MonoTime::ComesBefore" ref="a20b322e3ce700c15445943ec02255623" args="(const MonoTime &rhs) const " --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool kudu::MonoTime::ComesBefore </td> |
| <td>(</td> |
| <td class="paramtype">const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> & </td> |
| <td class="paramname"> <em>rhs</em></td> |
| <td> ) </td> |
| <td> const</td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>Check whether the point in time specified by this object is earlier than the specified one.</p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table border="0" cellspacing="2" cellpadding="0"> |
| <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>rhs</em> </td><td>The other <a class="el" href="classkudu_1_1MonoTime.html" title="Representation of a particular point in time.">MonoTime</a> object to compare with. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> iff the point in time represented by this <a class="el" href="classkudu_1_1MonoTime.html" title="Representation of a particular point in time.">MonoTime</a> object is earlier then the point in time represented by the parameter. </dd></dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="aa553eb3e11cae70a9ee8839a39fc7a14"></a><!-- doxytag: member="kudu::MonoTime::Earliest" ref="aa553eb3e11cae70a9ee8839a39fc7a14" args="(const MonoTime &a, const MonoTime &b)" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">static const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a>& kudu::MonoTime::Earliest </td> |
| <td>(</td> |
| <td class="paramtype">const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> & </td> |
| <td class="paramname"> <em>a</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> & </td> |
| <td class="paramname"> <em>b</em></td><td> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td><td><code> [static]</code></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>Select the earliest between the specified time points.</p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table border="0" cellspacing="2" cellpadding="0"> |
| <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>a</em> </td><td>The first <a class="el" href="classkudu_1_1MonoTime.html" title="Representation of a particular point in time.">MonoTime</a> object to select from. </td></tr> |
| <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>b</em> </td><td>The second <a class="el" href="classkudu_1_1MonoTime.html" title="Representation of a particular point in time.">MonoTime</a> object to select from. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="return"><dt><b>Returns:</b></dt><dd>The earliest (minimum) of the two monotimes. </dd></dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a25f2816574ca7f424b79644e30774818"></a><!-- doxytag: member="kudu::MonoTime::Equals" ref="a25f2816574ca7f424b79644e30774818" args="(const MonoTime &other) const " --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool kudu::MonoTime::Equals </td> |
| <td>(</td> |
| <td class="paramtype">const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> & </td> |
| <td class="paramname"> <em>other</em></td> |
| <td> ) </td> |
| <td> const</td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>Check whether this object represents the same point in time as the other.</p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table border="0" cellspacing="2" cellpadding="0"> |
| <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>other</em> </td><td>The other <a class="el" href="classkudu_1_1MonoTime.html" title="Representation of a particular point in time.">MonoTime</a> object to compare. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> iff the point in time represented by this <a class="el" href="classkudu_1_1MonoTime.html" title="Representation of a particular point in time.">MonoTime</a> object is the same as the one represented by the other. </dd></dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="ae1a49263c54563ea72ea10033ab8ccdb"></a><!-- doxytag: member="kudu::MonoTime::GetDeltaSince" ref="ae1a49263c54563ea72ea10033ab8ccdb" args="(const MonoTime &rhs) const " --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="classkudu_1_1MonoDelta.html">MonoDelta</a> kudu::MonoTime::GetDeltaSince </td> |
| <td>(</td> |
| <td class="paramtype">const <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> & </td> |
| <td class="paramname"> <em>rhs</em></td> |
| <td> ) </td> |
| <td> const</td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>Compute time interval between the point in time specified by this and the specified object.</p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table border="0" cellspacing="2" cellpadding="0"> |
| <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>rhs</em> </td><td>The object that corresponds to the left boundary of the time interval, where this object corresponds to the right boundary of the interval. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="return"><dt><b>Returns:</b></dt><dd>The resulting time interval represented as a <a class="el" href="classkudu_1_1MonoDelta.html" title="A representation of a time interval.">MonoDelta</a> object. </dd></dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a4ba08bf71a2496672338522952301926"></a><!-- doxytag: member="kudu::MonoTime::Initialized" ref="a4ba08bf71a2496672338522952301926" args="() const " --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool kudu::MonoTime::Initialized </td> |
| <td>(</td> |
| <td class="paramname"></td> |
| <td> ) </td> |
| <td> const</td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> iff the object is initialized. </dd></dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a28d08092b30ccefc5e45a6e228034ef9"></a><!-- doxytag: member="kudu::MonoTime::Max" ref="a28d08092b30ccefc5e45a6e228034ef9" args="()" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">static <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> kudu::MonoTime::Max </td> |
| <td>(</td> |
| <td class="paramname"></td> |
| <td> ) </td> |
| <td><code> [static]</code></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <dl class="return"><dt><b>Returns:</b></dt><dd><a class="el" href="classkudu_1_1MonoTime.html" title="Representation of a particular point in time.">MonoTime</a> equal to farthest possible time into the future. </dd></dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="acf4fc0351fe9245431932e481e002b99"></a><!-- doxytag: member="kudu::MonoTime::Min" ref="acf4fc0351fe9245431932e481e002b99" args="()" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">static <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> kudu::MonoTime::Min </td> |
| <td>(</td> |
| <td class="paramname"></td> |
| <td> ) </td> |
| <td><code> [static]</code></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <dl class="return"><dt><b>Returns:</b></dt><dd><a class="el" href="classkudu_1_1MonoTime.html" title="Representation of a particular point in time.">MonoTime</a> equal to farthest possible time into the past. </dd></dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a6c83d5c31e6ea5a869a655646f924783"></a><!-- doxytag: member="kudu::MonoTime::Now" ref="a6c83d5c31e6ea5a869a655646f924783" args="()" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">static <a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a> kudu::MonoTime::Now </td> |
| <td>(</td> |
| <td class="paramname"></td> |
| <td> ) </td> |
| <td><code> [static]</code></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>Get current time in <a class="el" href="classkudu_1_1MonoTime.html" title="Representation of a particular point in time.">MonoTime</a> representation.</p> |
| <dl class="return"><dt><b>Returns:</b></dt><dd>Time specification for the moment of the method's invocation. </dd></dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a2264cf528d0a346e60e0921022333bf8"></a><!-- doxytag: member="kudu::MonoTime::operator-=" ref="a2264cf528d0a346e60e0921022333bf8" args="(const MonoDelta &delta)" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="classkudu_1_1MonoTime.html">MonoTime</a>& kudu::MonoTime::operator-= </td> |
| <td>(</td> |
| <td class="paramtype">const <a class="el" href="classkudu_1_1MonoDelta.html">MonoDelta</a> & </td> |
| <td class="paramname"> <em>delta</em></td> |
| <td> ) </td> |
| <td></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>Substract a delta from the point in time represented by the object.</p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table border="0" cellspacing="2" cellpadding="0"> |
| <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>delta</em> </td><td>The delta to substract. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="return"><dt><b>Returns:</b></dt><dd>Reference to the modified object. </dd></dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a47cd514149a06d1fbf2d10d08ef29957"></a><!-- doxytag: member="kudu::MonoTime::ToString" ref="a47cd514149a06d1fbf2d10d08ef29957" args="() const " --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">std::string kudu::MonoTime::ToString </td> |
| <td>(</td> |
| <td class="paramname"></td> |
| <td> ) </td> |
| <td> const</td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <dl class="return"><dt><b>Returns:</b></dt><dd>String representation of the object (in seconds). </dd></dl> |
| |
| </div> |
| </div> |
| <hr/>The documentation for this class was generated from the following file:<ul> |
| <li>include/kudu/util/<a class="el" href="monotime_8h_source.html">monotime.h</a></li> |
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