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<div class="subTitle">javax.cache.expiry</div>
<h2 title="Class Duration" class="title">Class Duration</h2>
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<li>javax.cache.expiry.Duration</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></dd>
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<pre>public class <span class="strong">Duration</span>
extends <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre>
<div class="block">A <a href="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io"><code>Serializable</code></a> duration of time.</div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>1.0</dd>
<dt><span class="strong">Author:</span></dt>
<dd>Yannis Cosmadopoulos, Greg Luck, Brian Oliver</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../javax/cache/expiry/ExpiryPolicy.html" title="interface in javax.cache.expiry"><code>ExpiryPolicy</code></a>,
<a href="../../../serialized-form.html#javax.cache.expiry.Duration">Serialized Form</a></dd></dl>
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<h3>Field Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a></code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#ETERNAL">ETERNAL</a></strong></code>
<div class="block">ETERNAL (forever).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a></code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#FIVE_MINUTES">FIVE_MINUTES</a></strong></code>
<div class="block">Five minutes.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a></code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#ONE_DAY">ONE_DAY</a></strong></code>
<div class="block">One day.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a></code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#ONE_HOUR">ONE_HOUR</a></strong></code>
<div class="block">One hour.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a></code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#ONE_MINUTE">ONE_MINUTE</a></strong></code>
<div class="block">One minute.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#serialVersionUID">serialVersionUID</a></strong></code>
<div class="block">The serialVersionUID required for <a href="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io"><code>Serializable</code></a>.</div>
</td>
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<td class="colFirst"><code>static <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a></code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#TEN_MINUTES">TEN_MINUTES</a></strong></code>
<div class="block">Ten minutes.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a></code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#THIRTY_MINUTES">THIRTY_MINUTES</a></strong></code>
<div class="block">Thirty minutes.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a></code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#TWENTY_MINUTES">TWENTY_MINUTES</a></strong></code>
<div class="block">Twenty minutes.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a></code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#ZERO">ZERO</a></strong></code>
<div class="block">Zero (no time).</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../javax/cache/expiry/Duration.html#Duration()">Duration</a></strong>()</code>
<div class="block">Constructs a Duration (that by default is Eternal).</div>
</td>
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<td class="colOne"><code><strong><a href="../../../javax/cache/expiry/Duration.html#Duration(long, long)">Duration</a></strong>(long&nbsp;startTime,
long&nbsp;endTime)</code>
<div class="block">Constructs a <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry"><code>Duration</code></a> based on the duration between two
specified points in time (since the Epoc), measured in milliseconds.</div>
</td>
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<td class="colOne"><code><strong><a href="../../../javax/cache/expiry/Duration.html#Duration(java.util.concurrent.TimeUnit, long)">Duration</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;timeUnit,
long&nbsp;durationAmount)</code>
<div class="block">Constructs a duration.</div>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#equals(java.lang.Object)">equals</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;other)</code></td>
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<tr class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#getAdjustedTime(long)">getAdjustedTime</a></strong>(long&nbsp;time)</code>
<div class="block">Calculates the adjusted time (from the Epoc) given a specified time
(to be adjusted) by the duration.</div>
</td>
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<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#getDurationAmount()">getDurationAmount</a></strong>()</code>
<div class="block">Obtain the number of TimeUnits in the Duration</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a></code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#getTimeUnit()">getTimeUnit</a></strong>()</code>
<div class="block">Obtain the TimeUnit for the Duration</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#hashCode()">hashCode</a></strong>()</code></td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#isEternal()">isEternal</a></strong>()</code>
<div class="block">Determines if a <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry"><code>Duration</code></a> is eternal (forever).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../javax/cache/expiry/Duration.html#isZero()">isZero</a></strong>()</code>
<div class="block">Determines if a <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry"><code>Duration</code></a> is zero.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<h3>Field Detail</h3>
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<h4>serialVersionUID</h4>
<pre>public static final&nbsp;long serialVersionUID</pre>
<div class="block">The serialVersionUID required for <a href="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io"><code>Serializable</code></a>.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#javax.cache.expiry.Duration.serialVersionUID">Constant Field Values</a></dd></dl>
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<h4>ETERNAL</h4>
<pre>public static final&nbsp;<a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a> ETERNAL</pre>
<div class="block">ETERNAL (forever).</div>
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<h4>ONE_DAY</h4>
<pre>public static final&nbsp;<a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a> ONE_DAY</pre>
<div class="block">One day.</div>
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<pre>public static final&nbsp;<a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a> ONE_HOUR</pre>
<div class="block">One hour.</div>
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<pre>public static final&nbsp;<a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a> THIRTY_MINUTES</pre>
<div class="block">Thirty minutes.</div>
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<pre>public static final&nbsp;<a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a> TWENTY_MINUTES</pre>
<div class="block">Twenty minutes.</div>
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<pre>public static final&nbsp;<a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a> TEN_MINUTES</pre>
<div class="block">Ten minutes.</div>
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<pre>public static final&nbsp;<a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a> FIVE_MINUTES</pre>
<div class="block">Five minutes.</div>
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<pre>public static final&nbsp;<a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a> ONE_MINUTE</pre>
<div class="block">One minute.</div>
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<h4>ZERO</h4>
<pre>public static final&nbsp;<a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry">Duration</a> ZERO</pre>
<div class="block">Zero (no time).</div>
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<h4>Duration</h4>
<pre>public&nbsp;Duration()</pre>
<div class="block">Constructs a Duration (that by default is Eternal).</div>
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<pre>public&nbsp;Duration(<a href="http://download.oracle.com/javase/6/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;timeUnit,
long&nbsp;durationAmount)</pre>
<div class="block">Constructs a duration.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeUnit</code> - the unit of time to specify time in. The minimum time unit is milliseconds.</dd><dd><code>durationAmount</code> - how long, in the specified units, the cache entries should live. 0 means eternal.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if timeUnit is null</dd>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if durationAmount is less than 0 or a TimeUnit less than milliseconds is specified</dd></dl>
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<h4>Duration</h4>
<pre>public&nbsp;Duration(long&nbsp;startTime,
long&nbsp;endTime)</pre>
<div class="block">Constructs a <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry"><code>Duration</code></a> based on the duration between two
specified points in time (since the Epoc), measured in milliseconds.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>startTime</code> - the start time (since the Epoc)</dd><dd><code>endTime</code> - the end time (since the Epoc)</dd></dl>
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<h4>getTimeUnit</h4>
<pre>public&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;getTimeUnit()</pre>
<div class="block">Obtain the TimeUnit for the Duration</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the TimeUnit</dd></dl>
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<h4>getDurationAmount</h4>
<pre>public&nbsp;long&nbsp;getDurationAmount()</pre>
<div class="block">Obtain the number of TimeUnits in the Duration</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the number of TimeUnits</dd></dl>
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<h4>isEternal</h4>
<pre>public&nbsp;boolean&nbsp;isEternal()</pre>
<div class="block">Determines if a <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry"><code>Duration</code></a> is eternal (forever).</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>true if the <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry"><code>Duration</code></a> is eternal</dd></dl>
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<h4>isZero</h4>
<pre>public&nbsp;boolean&nbsp;isZero()</pre>
<div class="block">Determines if a <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry"><code>Duration</code></a> is zero.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>true if the <a href="../../../javax/cache/expiry/Duration.html" title="class in javax.cache.expiry"><code>Duration</code></a> is zero</dd></dl>
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<h4>getAdjustedTime</h4>
<pre>public&nbsp;long&nbsp;getAdjustedTime(long&nbsp;time)</pre>
<div class="block">Calculates the adjusted time (from the Epoc) given a specified time
(to be adjusted) by the duration.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>time</code> - the time from which to adjust given the duration</dd>
<dt><span class="strong">Returns:</span></dt><dd>the adjusted time</dd></dl>
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<h4>equals</h4>
<pre>public&nbsp;boolean&nbsp;equals(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;other)</pre>
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<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a></code>&nbsp;in class&nbsp;<code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
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<h4>hashCode</h4>
<pre>public&nbsp;int&nbsp;hashCode()</pre>
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<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a></code>&nbsp;in class&nbsp;<code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
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