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<div class="subTitle">org.joda.time.field</div>
<h2 title="Class DecoratedDurationField" class="title">Class DecoratedDurationField</h2>
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<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">org.joda.time.DurationField</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../org/joda/time/field/BaseDurationField.html" title="class in org.joda.time.field">org.joda.time.field.BaseDurationField</a></li>
<li>
<ul class="inheritance">
<li>org.joda.time.field.DecoratedDurationField</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a><<a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a>></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../org/joda/time/field/ScaledDurationField.html" title="class in org.joda.time.field">ScaledDurationField</a></dd>
</dl>
<hr>
<br>
<pre>public class <span class="strong">DecoratedDurationField</span>
extends <a href="../../../../org/joda/time/field/BaseDurationField.html" title="class in org.joda.time.field">BaseDurationField</a></pre>
<div class="block"><code>DecoratedDurationField</code> extends <a href="../../../../org/joda/time/field/BaseDurationField.html" title="class in org.joda.time.field"><code>BaseDurationField</code></a>,
implementing only the minimum required set of methods. These implemented
methods delegate to a wrapped field.
<p>
This design allows new DurationField types to be defined that piggyback on
top of another, inheriting all the safe method implementations from
BaseDurationField. Should any method require pure delegation to the
wrapped field, simply override and use the provided getWrappedField method.
<p>
DecoratedDurationField is thread-safe and immutable, and its subclasses must
be as well.</div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>1.0</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/joda/time/field/DelegatedDurationField.html" title="class in org.joda.time.field"><code>DelegatedDurationField</code></a>,
<a href="../../../../serialized-form.html#org.joda.time.field.DecoratedDurationField">Serialized Form</a></dd></dl>
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<h3>Constructor Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../org/joda/time/field/DecoratedDurationField.html#DecoratedDurationField(org.joda.time.DurationField,%20org.joda.time.DurationFieldType)">DecoratedDurationField</a></strong>(<a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a> field,
<a href="../../../../org/joda/time/DurationFieldType.html" title="class in org.joda.time">DurationFieldType</a> type)</code>
<div class="block">Constructor.</div>
</td>
</tr>
</table>
</li>
</ul>
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<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/joda/time/field/DecoratedDurationField.html#add(long,%20int)">add</a></strong>(long instant,
int value)</code>
<div class="block">Adds a duration value (which may be negative) to the instant.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/joda/time/field/DecoratedDurationField.html#add(long,%20long)">add</a></strong>(long instant,
long value)</code>
<div class="block">Adds a duration value (which may be negative) to the instant.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/joda/time/field/DecoratedDurationField.html#getDifferenceAsLong(long,%20long)">getDifferenceAsLong</a></strong>(long minuendInstant,
long subtrahendInstant)</code>
<div class="block">Computes the difference between two instants, as measured in the units
of this field.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/joda/time/field/DecoratedDurationField.html#getMillis(int,%20long)">getMillis</a></strong>(int value,
long instant)</code>
<div class="block">Get the millisecond duration of this field from its value relative to an
instant.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/joda/time/field/DecoratedDurationField.html#getMillis(long,%20long)">getMillis</a></strong>(long value,
long instant)</code>
<div class="block">Get the millisecond duration of this field from its value relative to an
instant.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/joda/time/field/DecoratedDurationField.html#getUnitMillis()">getUnitMillis</a></strong>()</code>
<div class="block">Returns the amount of milliseconds per unit value of this field.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/joda/time/field/DecoratedDurationField.html#getValueAsLong(long,%20long)">getValueAsLong</a></strong>(long duration,
long instant)</code>
<div class="block">Get the value of this field from the milliseconds relative to an
instant.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/joda/time/field/DecoratedDurationField.html#getWrappedField()">getWrappedField</a></strong>()</code>
<div class="block">Gets the wrapped duration field.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../org/joda/time/field/DecoratedDurationField.html#isPrecise()">isPrecise</a></strong>()</code>
<div class="block">Is this field precise.</div>
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<h3>Methods inherited from class org.joda.time.field.<a href="../../../../org/joda/time/field/BaseDurationField.html" title="class in org.joda.time.field">BaseDurationField</a></h3>
<code><a href="../../../../org/joda/time/field/BaseDurationField.html#compareTo(org.joda.time.DurationField)">compareTo</a>, <a href="../../../../org/joda/time/field/BaseDurationField.html#getDifference(long,%20long)">getDifference</a>, <a href="../../../../org/joda/time/field/BaseDurationField.html#getMillis(int)">getMillis</a>, <a href="../../../../org/joda/time/field/BaseDurationField.html#getMillis(long)">getMillis</a>, <a href="../../../../org/joda/time/field/BaseDurationField.html#getName()">getName</a>, <a href="../../../../org/joda/time/field/BaseDurationField.html#getType()">getType</a>, <a href="../../../../org/joda/time/field/BaseDurationField.html#getValue(long)">getValue</a>, <a href="../../../../org/joda/time/field/BaseDurationField.html#getValue(long,%20long)">getValue</a>, <a href="../../../../org/joda/time/field/BaseDurationField.html#getValueAsLong(long)">getValueAsLong</a>, <a href="../../../../org/joda/time/field/BaseDurationField.html#isSupported()">isSupported</a>, <a href="../../../../org/joda/time/field/BaseDurationField.html#toString()">toString</a></code></li>
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<h3>Methods inherited from class org.joda.time.<a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a></h3>
<code><a href="../../../../org/joda/time/DurationField.html#subtract(long,%20int)">subtract</a>, <a href="../../../../org/joda/time/DurationField.html#subtract(long,%20long)">subtract</a></code></li>
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<h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
</ul>
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<h3>Constructor Detail</h3>
<a name="DecoratedDurationField(org.joda.time.DurationField, org.joda.time.DurationFieldType)">
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<h4>DecoratedDurationField</h4>
<pre>public DecoratedDurationField(<a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a> field,
<a href="../../../../org/joda/time/DurationFieldType.html" title="class in org.joda.time">DurationFieldType</a> type)</pre>
<div class="block">Constructor.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>field</code> - the base field</dd><dd><code>type</code> - the type to actually use</dd></dl>
</li>
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<h3>Method Detail</h3>
<a name="getWrappedField()">
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<h4>getWrappedField</h4>
<pre>public final <a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a> getWrappedField()</pre>
<div class="block">Gets the wrapped duration field.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the wrapped DurationField</dd></dl>
</li>
</ul>
<a name="isPrecise()">
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<h4>isPrecise</h4>
<pre>public boolean isPrecise()</pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../org/joda/time/DurationField.html#isPrecise()">DurationField</a></code></strong></div>
<div class="block">Is this field precise. A precise field can calculate its value from
milliseconds without needing a reference date. Put another way, a
precise field's unit size is not variable.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/joda/time/DurationField.html#isPrecise()">isPrecise</a></code> in class <code><a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>true if precise</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/joda/time/DurationField.html#getUnitMillis()"><code>DurationField.getUnitMillis()</code></a></dd></dl>
</li>
</ul>
<a name="getValueAsLong(long, long)">
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<h4>getValueAsLong</h4>
<pre>public long getValueAsLong(long duration,
long instant)</pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../org/joda/time/DurationField.html#getValueAsLong(long,%20long)">DurationField</a></code></strong></div>
<div class="block">Get the value of this field from the milliseconds relative to an
instant. For precise fields this method produces the same result as for
the single argument get method.
<p>
If the millisecond duration is positive, then the instant is treated as a
"start instant". If negative, the instant is treated as an "end instant".</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/joda/time/DurationField.html#getValueAsLong(long,%20long)">getValueAsLong</a></code> in class <code><a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>duration</code> - the milliseconds to query, which may be negative</dd><dd><code>instant</code> - the start instant to calculate relative to</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value of the field, in the units of the field, which may be
negative</dd></dl>
</li>
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<a name="getMillis(int, long)">
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<h4>getMillis</h4>
<pre>public long getMillis(int value,
long instant)</pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../org/joda/time/DurationField.html#getMillis(int,%20long)">DurationField</a></code></strong></div>
<div class="block">Get the millisecond duration of this field from its value relative to an
instant. For precise fields this method produces the same result as for
the single argument getMillis method.
<p>
If the value is positive, then the instant is treated as a "start
instant". If negative, the instant is treated as an "end instant".</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/joda/time/DurationField.html#getMillis(int,%20long)">getMillis</a></code> in class <code><a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>value</code> - the value of the field, which may be negative</dd><dd><code>instant</code> - the instant to calculate relative to</dd>
<dt><span class="strong">Returns:</span></dt><dd>the millisecond duration that the field represents, which may be
negative</dd></dl>
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<a name="getMillis(long, long)">
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<h4>getMillis</h4>
<pre>public long getMillis(long value,
long instant)</pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../org/joda/time/DurationField.html#getMillis(long,%20long)">DurationField</a></code></strong></div>
<div class="block">Get the millisecond duration of this field from its value relative to an
instant. For precise fields this method produces the same result as for
the single argument getMillis method.
<p>
If the value is positive, then the instant is treated as a "start
instant". If negative, the instant is treated as an "end instant".</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/joda/time/DurationField.html#getMillis(long,%20long)">getMillis</a></code> in class <code><a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>value</code> - the value of the field, which may be negative</dd><dd><code>instant</code> - the instant to calculate relative to</dd>
<dt><span class="strong">Returns:</span></dt><dd>the millisecond duration that the field represents, which may be
negative</dd></dl>
</li>
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<a name="add(long, int)">
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<h4>add</h4>
<pre>public long add(long instant,
int value)</pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../org/joda/time/DurationField.html#add(long,%20int)">DurationField</a></code></strong></div>
<div class="block">Adds a duration value (which may be negative) to the instant.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/joda/time/DurationField.html#add(long,%20int)">add</a></code> in class <code><a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>instant</code> - the milliseconds from 1970-01-01T00:00:00Z to add to</dd><dd><code>value</code> - the value to add, in the units of the field</dd>
<dt><span class="strong">Returns:</span></dt><dd>the updated milliseconds</dd></dl>
</li>
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<h4>add</h4>
<pre>public long add(long instant,
long value)</pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../org/joda/time/DurationField.html#add(long,%20long)">DurationField</a></code></strong></div>
<div class="block">Adds a duration value (which may be negative) to the instant.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/joda/time/DurationField.html#add(long,%20long)">add</a></code> in class <code><a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>instant</code> - the milliseconds from 1970-01-01T00:00:00Z to add to</dd><dd><code>value</code> - the value to add, in the units of the field</dd>
<dt><span class="strong">Returns:</span></dt><dd>the updated milliseconds</dd></dl>
</li>
</ul>
<a name="getDifferenceAsLong(long, long)">
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<h4>getDifferenceAsLong</h4>
<pre>public long getDifferenceAsLong(long minuendInstant,
long subtrahendInstant)</pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../org/joda/time/DurationField.html#getDifferenceAsLong(long,%20long)">DurationField</a></code></strong></div>
<div class="block">Computes the difference between two instants, as measured in the units
of this field. Any fractional units are dropped from the result. Calling
getDifference reverses the effect of calling add. In the following code:
<pre>
long instant = ...
long v = ...
long age = getDifferenceAsLong(add(instant, v), instant);
</pre>
The value 'age' is the same as the value 'v'.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/joda/time/DurationField.html#getDifferenceAsLong(long,%20long)">getDifferenceAsLong</a></code> in class <code><a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>minuendInstant</code> - the milliseconds from 1970-01-01T00:00:00Z to
subtract from</dd><dd><code>subtrahendInstant</code> - the milliseconds from 1970-01-01T00:00:00Z to
subtract off the minuend</dd>
<dt><span class="strong">Returns:</span></dt><dd>the difference in the units of this field</dd></dl>
</li>
</ul>
<a name="getUnitMillis()">
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<h4>getUnitMillis</h4>
<pre>public long getUnitMillis()</pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../org/joda/time/DurationField.html#getUnitMillis()">DurationField</a></code></strong></div>
<div class="block">Returns the amount of milliseconds per unit value of this field. For
example, if this field represents "seconds", then this returns the
milliseconds in one second.
<p>
For imprecise fields, the unit size is variable, and so this method
returns a suitable average value.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/joda/time/DurationField.html#getUnitMillis()">getUnitMillis</a></code> in class <code><a href="../../../../org/joda/time/DurationField.html" title="class in org.joda.time">DurationField</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the unit size of this field, in milliseconds</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/joda/time/DurationField.html#isPrecise()"><code>DurationField.isPrecise()</code></a></dd></dl>
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