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icu-doc-4.4-2.1mdv2010.2.i586.rpm

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<h1>BasicTimeZone Class Reference</h1><!-- doxytag: class="BasicTimeZone" --><!-- doxytag: inherits="TimeZone" -->
<p><code><a class="el" href="classBasicTimeZone.html" title="BasicTimeZone is an abstract class extending TimeZone.">BasicTimeZone</a></code> is an abstract class extending <code><a class="el" href="classTimeZone.html" title="TimeZone represents a time zone offset, and also figures out daylight savings.">TimeZone</a></code>.  
<a href="#_details">More...</a></p>

<p><code>#include &lt;<a class="el" href="basictz_8h_source.html">basictz.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for BasicTimeZone:</div>
<div class="dynsection">
 <div class="center">
  <img src="classBasicTimeZone.gif" usemap="#BasicTimeZone_map" alt=""/>
  <map id="BasicTimeZone_map" name="BasicTimeZone_map">
<area href="classTimeZone.html" alt="TimeZone" shape="rect" coords="138,112,266,136"/>
<area href="classUObject.html" alt="UObject" shape="rect" coords="138,56,266,80"/>
<area href="classUMemory.html" alt="UMemory" shape="rect" coords="138,0,266,24"/>
<area href="classRuleBasedTimeZone.html" alt="RuleBasedTimeZone" shape="rect" coords="0,224,128,248"/>
<area href="classSimpleTimeZone.html" alt="SimpleTimeZone" shape="rect" coords="138,224,266,248"/>
<area href="classVTimeZone.html" alt="VTimeZone" shape="rect" coords="276,224,404,248"/>
</map>
 </div>
</div>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum &nbsp;</td><td class="memItemRight" valign="bottom">{ <b>kStandard</b> =  0x01, 
<b>kDaylight</b> =  0x03, 
<b>kFormer</b> =  0x04, 
<b>kLatter</b> =  0x0C
 }</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><p>The time type option bit flags used by getOffsetFromLocal. </p>
 <a href="classBasicTimeZone.html#a1a77df34bda000efda1bc05fa0768eda">More...</a><br/></td></tr>
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#a04187c449e9d480c310c52632f71ff6e">~BasicTimeZone</a> ()</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Destructor.  <a href="#a04187c449e9d480c310c52632f71ff6e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#a7139f3be13450d9833717644227fd2e4">getNextTransition</a> (<a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a> base, <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> inclusive, <a class="el" href="classTimeZoneTransition.html">TimeZoneTransition</a> &amp;result)=0</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Gets the first time zone transition after the base time.  <a href="#a7139f3be13450d9833717644227fd2e4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#a8eb6e573592f43efdb497e20c7a34beb">getPreviousTransition</a> (<a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a> base, <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> inclusive, <a class="el" href="classTimeZoneTransition.html">TimeZoneTransition</a> &amp;result)=0</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Gets the most recent time zone transition before the base time.  <a href="#a8eb6e573592f43efdb497e20c7a34beb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#a3d90e8f1bea2ce3b6530970ed9a551c1">hasEquivalentTransitions</a> (<a class="el" href="classBasicTimeZone.html">BasicTimeZone</a> &amp;tz, <a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a> start, <a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a> end, <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> ignoreDstAmount, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;ec)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Checks if the time zone has equivalent transitions in the time range.  <a href="#a3d90e8f1bea2ce3b6530970ed9a551c1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual int32_t&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#a6a24226cfc738d554a2a563021ccee28">countTransitionRules</a> (<a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;status)=0</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns the number of <code><a class="el" href="classTimeZoneRule.html" title="TimeZoneRule is a class representing a rule for time zone.">TimeZoneRule</a></code>s which represents time transitions, for this time zone, that is, all <code><a class="el" href="classTimeZoneRule.html" title="TimeZoneRule is a class representing a rule for time zone.">TimeZoneRule</a></code>s for this time zone except <code><a class="el" href="classInitialTimeZoneRule.html" title="InitialTimeZoneRule represents a time zone rule representing a time zone effective...">InitialTimeZoneRule</a></code>.  <a href="#a6a24226cfc738d554a2a563021ccee28"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#a4db4254a521bad3811df69ba032369fe">getTimeZoneRules</a> (const <a class="el" href="classInitialTimeZoneRule.html">InitialTimeZoneRule</a> *&amp;initial, const <a class="el" href="classTimeZoneRule.html">TimeZoneRule</a> *trsrules[], int32_t &amp;trscount, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;status)=0</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Gets the <code><a class="el" href="classInitialTimeZoneRule.html" title="InitialTimeZoneRule represents a time zone rule representing a time zone effective...">InitialTimeZoneRule</a></code> and the set of <code><a class="el" href="classTimeZoneRule.html" title="TimeZoneRule is a class representing a rule for time zone.">TimeZoneRule</a></code> which represent time transitions for this time zone.  <a href="#a4db4254a521bad3811df69ba032369fe"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#a38a6f7109a6b550d14833dfd511078d1">getSimpleRulesNear</a> (<a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a> date, <a class="el" href="classInitialTimeZoneRule.html">InitialTimeZoneRule</a> *&amp;initial, <a class="el" href="classAnnualTimeZoneRule.html">AnnualTimeZoneRule</a> *&amp;std, <a class="el" href="classAnnualTimeZoneRule.html">AnnualTimeZoneRule</a> *&amp;dst, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;status)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Gets the set of time zone rules valid at the specified time.  <a href="#a38a6f7109a6b550d14833dfd511078d1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#a4d84c1cdcdd96ae9ac75cdb9e04002fe">getOffsetFromLocal</a> (<a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a> date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt, int32_t &amp;rawOffset, int32_t &amp;dstOffset, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;status)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get time zone offsets from local wall time.  <a href="#a4d84c1cdcdd96ae9ac75cdb9e04002fe"></a><br/></td></tr>
<tr><td colspan="2"><h2>Protected Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum &nbsp;</td><td class="memItemRight" valign="bottom">{ <b>kStdDstMask</b> =  kDaylight, 
<b>kFormerLatterMask</b> =  kLatter
 }</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><p>The time type option bit masks used by getOffsetFromLocal. </p>
 <a href="classBasicTimeZone.html#a4979642164ded8fdaaa6ee3f05c05efb">More...</a><br/></td></tr>
<tr><td colspan="2"><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#a72ed5780ab456efe6cc185aaafa0e8c2">BasicTimeZone</a> ()</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor.  <a href="#a72ed5780ab456efe6cc185aaafa0e8c2"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#ac57d49a09cf61768ba663f69eab05863">BasicTimeZone</a> (const <a class="el" href="classUnicodeString.html">UnicodeString</a> &amp;id)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Construct a timezone with a given ID.  <a href="#ac57d49a09cf61768ba663f69eab05863"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#a2898331d9e1dca31ed4fd6cfeaeebbf9">BasicTimeZone</a> (const <a class="el" href="classBasicTimeZone.html">BasicTimeZone</a> &amp;source)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Copy constructor.  <a href="#a2898331d9e1dca31ed4fd6cfeaeebbf9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBasicTimeZone.html#a2e029ef64dee2348f679a55f62e9bb5d">getTimeZoneRulesAfter</a> (<a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a> start, <a class="el" href="classInitialTimeZoneRule.html">InitialTimeZoneRule</a> *&amp;initial, UVector *&amp;transitionRules, <a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;status)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Gets the set of <a class="el" href="classTimeZoneRule.html" title="TimeZoneRule is a class representing a rule for time zone.">TimeZoneRule</a> instances applicable to the specified time and after.  <a href="#a2e029ef64dee2348f679a55f62e9bb5d"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p><code><a class="el" href="classBasicTimeZone.html" title="BasicTimeZone is an abstract class extending TimeZone.">BasicTimeZone</a></code> is an abstract class extending <code><a class="el" href="classTimeZone.html" title="TimeZone represents a time zone offset, and also figures out daylight savings.">TimeZone</a></code>. </p>
<p>This class provides some additional methods to access time zone transitions and rules. All ICU <code><a class="el" href="classTimeZone.html" title="TimeZone represents a time zone offset, and also figures out daylight savings.">TimeZone</a></code> concrete subclasses extend this class. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002148">Stable:</a></b></dt><dd>ICU 3.8 </dd></dl>

<p>Definition at line <a class="el" href="basictz_8h_source.html#l00034">34</a> of file <a class="el" href="basictz_8h_source.html">basictz.h</a>.</p>
<hr/><h2>Member Enumeration Documentation</h2>
<a class="anchor" id="a1a77df34bda000efda1bc05fa0768eda"></a><!-- doxytag: member="BasicTimeZone::@15" ref="a1a77df34bda000efda1bc05fa0768eda" args="" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">anonymous enum</td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>The time type option bit flags used by getOffsetFromLocal. </p>
<dl class="internal"><dt><b>Internal:</b></dt><dd>Do not use. This API is for internal use only. </dd></dl>

<p>Definition at line <a class="el" href="basictz_8h_source.html#l00148">148</a> of file <a class="el" href="basictz_8h_source.html">basictz.h</a>.</p>

</div>
</div>
<a class="anchor" id="a4979642164ded8fdaaa6ee3f05c05efb"></a><!-- doxytag: member="BasicTimeZone::@16" ref="a4979642164ded8fdaaa6ee3f05c05efb" args="" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">anonymous enum<code> [protected]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>The time type option bit masks used by getOffsetFromLocal. </p>
<dl class="internal"><dt><b>Internal:</b></dt><dd>Do not use. This API is for internal use only. </dd></dl>

<p>Definition at line <a class="el" href="basictz_8h_source.html#l00168">168</a> of file <a class="el" href="basictz_8h_source.html">basictz.h</a>.</p>

</div>
</div>
<hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a04187c449e9d480c310c52632f71ff6e"></a><!-- doxytag: member="BasicTimeZone::~BasicTimeZone" ref="a04187c449e9d480c310c52632f71ff6e" args="()" -->
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        <tr>
          <td class="memname">virtual BasicTimeZone::~BasicTimeZone </td>
          <td>(</td>
          <td class="paramname"></td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Destructor. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002149">Stable:</a></b></dt><dd>ICU 3.8 </dd></dl>

</div>
</div>
<a class="anchor" id="a72ed5780ab456efe6cc185aaafa0e8c2"></a><!-- doxytag: member="BasicTimeZone::BasicTimeZone" ref="a72ed5780ab456efe6cc185aaafa0e8c2" args="()" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">BasicTimeZone::BasicTimeZone </td>
          <td>(</td>
          <td class="paramname"></td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [protected]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Default constructor. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002156">Stable:</a></b></dt><dd>ICU 3.8 </dd></dl>

</div>
</div>
<a class="anchor" id="ac57d49a09cf61768ba663f69eab05863"></a><!-- doxytag: member="BasicTimeZone::BasicTimeZone" ref="ac57d49a09cf61768ba663f69eab05863" args="(const UnicodeString &amp;id)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">BasicTimeZone::BasicTimeZone </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classUnicodeString.html">UnicodeString</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>id</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [protected]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Construct a timezone with a given ID. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>id</em>&nbsp;</td><td>a system time zone ID </td></tr>
  </table>
  </dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002157">Stable:</a></b></dt><dd>ICU 3.8 </dd></dl>

</div>
</div>
<a class="anchor" id="a2898331d9e1dca31ed4fd6cfeaeebbf9"></a><!-- doxytag: member="BasicTimeZone::BasicTimeZone" ref="a2898331d9e1dca31ed4fd6cfeaeebbf9" args="(const BasicTimeZone &amp;source)" -->
<div class="memitem">
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          <td class="memname">BasicTimeZone::BasicTimeZone </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classBasicTimeZone.html">BasicTimeZone</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>source</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [protected]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Copy constructor. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>source</em>&nbsp;</td><td>the object to be copied. </td></tr>
  </table>
  </dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002158">Stable:</a></b></dt><dd>ICU 3.8 </dd></dl>

</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a6a24226cfc738d554a2a563021ccee28"></a><!-- doxytag: member="BasicTimeZone::countTransitionRules" ref="a6a24226cfc738d554a2a563021ccee28" args="(UErrorCode &amp;status)=0" -->
<div class="memitem">
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          <td class="memname">virtual int32_t BasicTimeZone::countTransitionRules </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>status</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [pure virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Returns the number of <code><a class="el" href="classTimeZoneRule.html" title="TimeZoneRule is a class representing a rule for time zone.">TimeZoneRule</a></code>s which represents time transitions, for this time zone, that is, all <code><a class="el" href="classTimeZoneRule.html" title="TimeZoneRule is a class representing a rule for time zone.">TimeZoneRule</a></code>s for this time zone except <code><a class="el" href="classInitialTimeZoneRule.html" title="InitialTimeZoneRule represents a time zone rule representing a time zone effective...">InitialTimeZoneRule</a></code>. </p>
<p>The return value range is 0 or any positive value. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>status</em>&nbsp;</td><td>Receives error status code. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The number of <code><a class="el" href="classTimeZoneRule.html" title="TimeZoneRule is a class representing a rule for time zone.">TimeZoneRule</a></code>s representing time transitions. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002153">Stable:</a></b></dt><dd>ICU 3.8 </dd></dl>

<p>Implemented in <a class="el" href="classRuleBasedTimeZone.html#a46d89546f45255773e0c7adbd903a89b">RuleBasedTimeZone</a>, <a class="el" href="classSimpleTimeZone.html#a12f021f608389d82c0a9e23ca3fd7ad8">SimpleTimeZone</a>, and <a class="el" href="classVTimeZone.html#a5ae86c6e4b5f44db7dc03a8b1f02a304">VTimeZone</a>.</p>

</div>
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<a class="anchor" id="a7139f3be13450d9833717644227fd2e4"></a><!-- doxytag: member="BasicTimeZone::getNextTransition" ref="a7139f3be13450d9833717644227fd2e4" args="(UDate base, UBool inclusive, TimeZoneTransition &amp;result)=0" -->
<div class="memitem">
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          <td class="memname">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> BasicTimeZone::getNextTransition </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a>&nbsp;</td>
          <td class="paramname"> <em>base</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a>&nbsp;</td>
          <td class="paramname"> <em>inclusive</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classTimeZoneTransition.html">TimeZoneTransition</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>result</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [pure virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Gets the first time zone transition after the base time. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>base</em>&nbsp;</td><td>The base time. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>inclusive</em>&nbsp;</td><td>Whether the base time is inclusive or not. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>result</em>&nbsp;</td><td>Receives the first transition after the base time. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>TRUE if the transition is found. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002150">Stable:</a></b></dt><dd>ICU 3.8 </dd></dl>

<p>Implemented in <a class="el" href="classRuleBasedTimeZone.html#ac38d8c1b6c6fdca21d80254b1ec73ed4">RuleBasedTimeZone</a>, <a class="el" href="classSimpleTimeZone.html#a28346f7486199f9b7c03ce229fa626af">SimpleTimeZone</a>, and <a class="el" href="classVTimeZone.html#a1febfcc37e128ecef53b412b1803f7db">VTimeZone</a>.</p>

</div>
</div>
<a class="anchor" id="a4d84c1cdcdd96ae9ac75cdb9e04002fe"></a><!-- doxytag: member="BasicTimeZone::getOffsetFromLocal" ref="a4d84c1cdcdd96ae9ac75cdb9e04002fe" args="(UDate date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt, int32_t &amp;rawOffset, int32_t &amp;dstOffset, UErrorCode &amp;status)" -->
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          <td class="memname">virtual void BasicTimeZone::getOffsetFromLocal </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a>&nbsp;</td>
          <td class="paramname"> <em>date</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int32_t&nbsp;</td>
          <td class="paramname"> <em>nonExistingTimeOpt</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int32_t&nbsp;</td>
          <td class="paramname"> <em>duplicatedTimeOpt</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int32_t &amp;&nbsp;</td>
          <td class="paramname"> <em>rawOffset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int32_t &amp;&nbsp;</td>
          <td class="paramname"> <em>dstOffset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>status</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [virtual]</code></td>
        </tr>
      </table>
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<div class="memdoc">

<p>Get time zone offsets from local wall time. </p>
<dl class="internal"><dt><b><a class="el" href="internal.html#_internal000139">Internal:</a></b></dt><dd>Do not use. This API is for internal use only. </dd></dl>

<p>Reimplemented in <a class="el" href="classRuleBasedTimeZone.html#afba9d2c07de6e060bf9a059ac889507b">RuleBasedTimeZone</a>, and <a class="el" href="classSimpleTimeZone.html#a10614d3037247fb45b55f528bc0be440">SimpleTimeZone</a>.</p>

</div>
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<a class="anchor" id="a8eb6e573592f43efdb497e20c7a34beb"></a><!-- doxytag: member="BasicTimeZone::getPreviousTransition" ref="a8eb6e573592f43efdb497e20c7a34beb" args="(UDate base, UBool inclusive, TimeZoneTransition &amp;result)=0" -->
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          <td class="memname">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> BasicTimeZone::getPreviousTransition </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a>&nbsp;</td>
          <td class="paramname"> <em>base</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a>&nbsp;</td>
          <td class="paramname"> <em>inclusive</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classTimeZoneTransition.html">TimeZoneTransition</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>result</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [pure virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Gets the most recent time zone transition before the base time. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>base</em>&nbsp;</td><td>The base time. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>inclusive</em>&nbsp;</td><td>Whether the base time is inclusive or not. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>result</em>&nbsp;</td><td>Receives the most recent transition before the base time. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>TRUE if the transition is found. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002151">Stable:</a></b></dt><dd>ICU 3.8 </dd></dl>

<p>Implemented in <a class="el" href="classRuleBasedTimeZone.html#a94c5a122c3f98ed28fb35bf41525a5b6">RuleBasedTimeZone</a>, <a class="el" href="classSimpleTimeZone.html#aa84042f21c3d095147b0e207f835deb9">SimpleTimeZone</a>, and <a class="el" href="classVTimeZone.html#a57eb8c99b8000c703d616dd5f10c0137">VTimeZone</a>.</p>

</div>
</div>
<a class="anchor" id="a38a6f7109a6b550d14833dfd511078d1"></a><!-- doxytag: member="BasicTimeZone::getSimpleRulesNear" ref="a38a6f7109a6b550d14833dfd511078d1" args="(UDate date, InitialTimeZoneRule *&amp;initial, AnnualTimeZoneRule *&amp;std, AnnualTimeZoneRule *&amp;dst, UErrorCode &amp;status)" -->
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          <td class="memname">virtual void BasicTimeZone::getSimpleRulesNear </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a>&nbsp;</td>
          <td class="paramname"> <em>date</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classInitialTimeZoneRule.html">InitialTimeZoneRule</a> *&amp;&nbsp;</td>
          <td class="paramname"> <em>initial</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classAnnualTimeZoneRule.html">AnnualTimeZoneRule</a> *&amp;&nbsp;</td>
          <td class="paramname"> <em>std</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classAnnualTimeZoneRule.html">AnnualTimeZoneRule</a> *&amp;&nbsp;</td>
          <td class="paramname"> <em>dst</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>status</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [virtual]</code></td>
        </tr>
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<p>Gets the set of time zone rules valid at the specified time. </p>
<p>Some known external time zone implementations are not capable to handle historic time zone rule changes. Also some implementations can only handle certain type of rule definitions. If this time zone does not use any daylight saving time within about 1 year from the specified time, only the <code>InitialTimeZone</code> is returned. Otherwise, the rule for standard time and daylight saving time transitions are returned in addition to the <code><a class="el" href="classInitialTimeZoneRule.html" title="InitialTimeZoneRule represents a time zone rule representing a time zone effective...">InitialTimeZoneRule</a></code>. The standard and daylight saving time transition rules are represented by <code><a class="el" href="classAnnualTimeZoneRule.html" title="AnnualTimeZoneRule is a class used for representing a time zone rule which takes...">AnnualTimeZoneRule</a></code> with <code><a class="el" href="classDateTimeRule.html#a54bd953f366fc89279e8bb8ffdadc7d8a780c0fa10fa5f572f29745c57793105e" title="The Nth occurence of the day of week, for example, 2nd Sunday in March.">DateTimeRule::DOW</a></code> for its date rule and <code><a class="el" href="classDateTimeRule.html#a587bb19278c1b9b30d32e33eb88111d0aefbb25a99824295386e616a78ff89567" title="The local wall clock time.">DateTimeRule::WALL_TIME</a></code> for its time rule. Because daylight saving time rule is changing time to time in many time zones and also mapping a transition time rule to different type is lossy transformation, the set of rules returned by this method may be valid for short period of time. The time zone rule objects returned by this method is owned by the caller, so the caller is responsible for deleting them after use. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>date</em>&nbsp;</td><td>The date used for extracting time zone rules. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>initial</em>&nbsp;</td><td>Receives the <code>InitialTimeZone</code>, always not NULL. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>std</em>&nbsp;</td><td>Receives the <code><a class="el" href="classAnnualTimeZoneRule.html" title="AnnualTimeZoneRule is a class used for representing a time zone rule which takes...">AnnualTimeZoneRule</a></code> for standard time transitions. When this time time zone does not observe daylight saving times around the specified date, NULL is set. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>dst</em>&nbsp;</td><td>Receives the <code><a class="el" href="classAnnualTimeZoneRule.html" title="AnnualTimeZoneRule is a class used for representing a time zone rule which takes...">AnnualTimeZoneRule</a></code> for daylight saving time transitions. When this time zone does not observer daylight saving times around the specified date, NULL is set. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>status</em>&nbsp;</td><td>Receives error status code. </td></tr>
  </table>
  </dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002155">Stable:</a></b></dt><dd>ICU 3.8 </dd></dl>

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</div>
<a class="anchor" id="a4db4254a521bad3811df69ba032369fe"></a><!-- doxytag: member="BasicTimeZone::getTimeZoneRules" ref="a4db4254a521bad3811df69ba032369fe" args="(const InitialTimeZoneRule *&amp;initial, const TimeZoneRule *trsrules[], int32_t &amp;trscount, UErrorCode &amp;status)=0" -->
<div class="memitem">
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          <td class="memname">virtual void BasicTimeZone::getTimeZoneRules </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classInitialTimeZoneRule.html">InitialTimeZoneRule</a> *&amp;&nbsp;</td>
          <td class="paramname"> <em>initial</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="classTimeZoneRule.html">TimeZoneRule</a> *&nbsp;</td>
          <td class="paramname"> <em>trsrules</em>[], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int32_t &amp;&nbsp;</td>
          <td class="paramname"> <em>trscount</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>status</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [pure virtual]</code></td>
        </tr>
      </table>
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<p>Gets the <code><a class="el" href="classInitialTimeZoneRule.html" title="InitialTimeZoneRule represents a time zone rule representing a time zone effective...">InitialTimeZoneRule</a></code> and the set of <code><a class="el" href="classTimeZoneRule.html" title="TimeZoneRule is a class representing a rule for time zone.">TimeZoneRule</a></code> which represent time transitions for this time zone. </p>
<p>On successful return, the argument initial points to non-NULL <code><a class="el" href="classInitialTimeZoneRule.html" title="InitialTimeZoneRule represents a time zone rule representing a time zone effective...">InitialTimeZoneRule</a></code> and the array trsrules is filled with 0 or multiple <code><a class="el" href="classTimeZoneRule.html" title="TimeZoneRule is a class representing a rule for time zone.">TimeZoneRule</a></code> instances up to the size specified by trscount. The results are referencing the rule instance held by this time zone instance. Therefore, after this time zone is destructed, they are no longer available. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>initial</em>&nbsp;</td><td>Receives the initial timezone rule </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>trsrules</em>&nbsp;</td><td>Receives the timezone transition rules </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>trscount</em>&nbsp;</td><td>On input, specify the size of the array 'transitions' receiving the timezone transition rules. On output, actual number of rules filled in the array will be set. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>status</em>&nbsp;</td><td>Receives error status code. </td></tr>
  </table>
  </dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002154">Stable:</a></b></dt><dd>ICU 3.8 </dd></dl>

<p>Implemented in <a class="el" href="classRuleBasedTimeZone.html#a09d42566222df374a73a2ed60d8bf496">RuleBasedTimeZone</a>, <a class="el" href="classSimpleTimeZone.html#a0e584a10d12226e32c0e4ea14a2ccd52">SimpleTimeZone</a>, and <a class="el" href="classVTimeZone.html#a01f1b6281a0d9782c5771c44f7ba29ac">VTimeZone</a>.</p>

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<a class="anchor" id="a2e029ef64dee2348f679a55f62e9bb5d"></a><!-- doxytag: member="BasicTimeZone::getTimeZoneRulesAfter" ref="a2e029ef64dee2348f679a55f62e9bb5d" args="(UDate start, InitialTimeZoneRule *&amp;initial, UVector *&amp;transitionRules, UErrorCode &amp;status)" -->
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          <td class="memname">void BasicTimeZone::getTimeZoneRulesAfter </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a>&nbsp;</td>
          <td class="paramname"> <em>start</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classInitialTimeZoneRule.html">InitialTimeZoneRule</a> *&amp;&nbsp;</td>
          <td class="paramname"> <em>initial</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">UVector *&amp;&nbsp;</td>
          <td class="paramname"> <em>transitionRules</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>status</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [protected]</code></td>
        </tr>
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<div class="memdoc">

<p>Gets the set of <a class="el" href="classTimeZoneRule.html" title="TimeZoneRule is a class representing a rule for time zone.">TimeZoneRule</a> instances applicable to the specified time and after. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>start</em>&nbsp;</td><td>The start date used for extracting time zone rules </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>initial</em>&nbsp;</td><td>Receives the InitialTimeZone, always not NULL </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>transitionRules</em>&nbsp;</td><td>Receives the transition rules, could be NULL </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>status</em>&nbsp;</td><td>Receives error status code </td></tr>
  </table>
  </dd>
</dl>

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</div>
<a class="anchor" id="a3d90e8f1bea2ce3b6530970ed9a551c1"></a><!-- doxytag: member="BasicTimeZone::hasEquivalentTransitions" ref="a3d90e8f1bea2ce3b6530970ed9a551c1" args="(BasicTimeZone &amp;tz, UDate start, UDate end, UBool ignoreDstAmount, UErrorCode &amp;ec)" -->
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          <td class="memname">virtual <a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a> BasicTimeZone::hasEquivalentTransitions </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classBasicTimeZone.html">BasicTimeZone</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>tz</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a>&nbsp;</td>
          <td class="paramname"> <em>start</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#ace1704e9e77d407d1eaaa2e73ec0c039">UDate</a>&nbsp;</td>
          <td class="paramname"> <em>end</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="umachine_8h.html#a349ef00011f20ccd1d3b424445681aa5">UBool</a>&nbsp;</td>
          <td class="paramname"> <em>ignoreDstAmount</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="utypes_8h.html#a3343c1c8a8377277046774691c98d78c">UErrorCode</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>ec</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Checks if the time zone has equivalent transitions in the time range. </p>
<p>This method returns true when all of transition times, from/to standard offsets and DST savings used by this time zone match the other in the time range. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>tz</em>&nbsp;</td><td>The <code><a class="el" href="classBasicTimeZone.html" title="BasicTimeZone is an abstract class extending TimeZone.">BasicTimeZone</a></code> object to be compared with. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>start</em>&nbsp;</td><td>The start time of the evaluated time range (inclusive) </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>end</em>&nbsp;</td><td>The end time of the evaluated time range (inclusive) </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>ignoreDstAmount</em>&nbsp;</td><td>When true, any transitions with only daylight saving amount changes will be ignored, except either of them is zero. For example, a transition from rawoffset 3:00/dstsavings 1:00 to rawoffset 2:00/dstsavings 2:00 is excluded from the comparison, but a transtion from rawoffset 2:00/dstsavings 1:00 to rawoffset 3:00/dstsavings 0:00 is included. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>ec</em>&nbsp;</td><td>Output param to filled in with a success or an error. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if the other time zone has the equivalent transitions in the time range. </dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002152">Stable:</a></b></dt><dd>ICU 3.8 </dd></dl>

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