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pj2/doc/edu/rit/util/IdentityPair.html
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<div class="subTitle">edu.rit.util</div>
<h2 title="Class IdentityPair" class="title">Class IdentityPair&lt;K,V&gt;</h2>
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<li><a href="../../../edu/rit/util/PairBase.html" title="class in edu.rit.util">edu.rit.util.PairBase</a>&lt;K&gt;</li>
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<li><a href="../../../edu/rit/util/Pair.html" title="class in edu.rit.util">edu.rit.util.Pair</a>&lt;K,V&gt;</li>
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<li>edu.rit.util.IdentityPair&lt;K,V&gt;</li>
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<dl><dt><span class="strong">Type Parameters:</span></dt><dd><code>K</code> - Key data type.</dd><dd><code>V</code> - Value data type.</dd></dl>
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../edu/rit/io/Streamable.html" title="interface in edu.rit.io">Streamable</a></dd>
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<pre>public class <span class="strong">IdentityPair&lt;K,V&gt;</span>
extends <a href="../../../edu/rit/util/Pair.html" title="class in edu.rit.util">Pair</a>&lt;K,V&gt;</pre>
<div class="block">Class IdentityPair is a <a href="../../../edu/rit/util/Pair.html" title="class in edu.rit.util">Pair</a> with reference equality
semantics. Two IdentityPairs are equal if their keys refer to the same
object. That is, equality of keys is tested using the <TT>==</TT> operator
rather than the <TT>equals()</TT> method.
<P>
The key may be null. Once a key is stored in a pair, the state of the key
must not be altered. The value may be any object. The value may be null. Once
a value is stored in a pair, the state of the value may be altered, and the
value may be replaced by a different object.
<P>
Class IdentityPair is streamable. For object streaming to work properly, the
key class and the value class must be streamable or serializable.</div>
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<h3>Fields inherited from class&nbsp;edu.rit.util.<a href="../../../edu/rit/util/Pair.html" title="class in edu.rit.util">Pair</a></h3>
<code><a href="../../../edu/rit/util/Pair.html#value">value</a></code></li>
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<h3>Fields inherited from class&nbsp;edu.rit.util.<a href="../../../edu/rit/util/PairBase.html" title="class in edu.rit.util">PairBase</a></h3>
<code><a href="../../../edu/rit/util/PairBase.html#key">key</a></code></li>
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<h3>Constructor Summary</h3>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../edu/rit/util/IdentityPair.html#IdentityPair()">IdentityPair</a></strong>()</code>
<div class="block">Construct a new pair.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../edu/rit/util/IdentityPair.html#IdentityPair(K, V)">IdentityPair</a></strong>(<a href="../../../edu/rit/util/IdentityPair.html" title="type parameter in IdentityPair">K</a>&nbsp;key,
<a href="../../../edu/rit/util/IdentityPair.html" title="type parameter in IdentityPair">V</a>&nbsp;value)</code>
<div class="block">Construct a new pair with the given key and value.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/util/IdentityPair.html#equals(java.lang.Object)">equals</a></strong>(<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>&nbsp;obj)</code>
<div class="block">Determine if this pair is equal to the given object.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/util/IdentityPair.html#hashCode()">hashCode</a></strong>()</code>
<div class="block">Returns a hash code for this pair.</div>
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<h3>Methods inherited from class&nbsp;edu.rit.util.<a href="../../../edu/rit/util/Pair.html" title="class in edu.rit.util">Pair</a></h3>
<code><a href="../../../edu/rit/util/Pair.html#readIn(edu.rit.io.InStream)">readIn</a>, <a href="../../../edu/rit/util/Pair.html#toString()">toString</a>, <a href="../../../edu/rit/util/Pair.html#value()">value</a>, <a href="../../../edu/rit/util/Pair.html#value(V)">value</a>, <a href="../../../edu/rit/util/Pair.html#writeOut(edu.rit.io.OutStream)">writeOut</a></code></li>
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<h3>Methods inherited from class&nbsp;edu.rit.util.<a href="../../../edu/rit/util/PairBase.html" title="class in edu.rit.util">PairBase</a></h3>
<code><a href="../../../edu/rit/util/PairBase.html#key()">key</a></code></li>
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<h4>IdentityPair</h4>
<pre>public&nbsp;IdentityPair()</pre>
<div class="block">Construct a new pair. The key and the value are null.</div>
</li>
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<a name="IdentityPair(java.lang.Object,java.lang.Object)">
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</a><a name="IdentityPair(K, V)">
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<h4>IdentityPair</h4>
<pre>public&nbsp;IdentityPair(<a href="../../../edu/rit/util/IdentityPair.html" title="type parameter in IdentityPair">K</a>&nbsp;key,
<a href="../../../edu/rit/util/IdentityPair.html" title="type parameter in IdentityPair">V</a>&nbsp;value)</pre>
<div class="block">Construct a new pair with the given key and value.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>key</code> - Key.</dd><dd><code>value</code> - Value.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - (unchecked exception) Thrown if <TT>key</TT> is null.</dd></dl>
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<h4>equals</h4>
<pre>public&nbsp;boolean&nbsp;equals(<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>&nbsp;obj)</pre>
<div class="block">Determine if this pair is equal to the given object. The pairs are equal
if their keys refer to the same object, as determined by the <TT>==</TT>
operator.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../edu/rit/util/PairBase.html#equals(java.lang.Object)">equals</a></code>&nbsp;in class&nbsp;<code><a href="../../../edu/rit/util/PairBase.html" title="class in edu.rit.util">PairBase</a>&lt;<a href="../../../edu/rit/util/IdentityPair.html" title="type parameter in IdentityPair">K</a>&gt;</code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>obj</code> - Object to test.</dd>
<dt><span class="strong">Returns:</span></dt><dd>True if this pair is equal to <TT>obj</TT>, false otherwise.</dd></dl>
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<h4>hashCode</h4>
<pre>public&nbsp;int&nbsp;hashCode()</pre>
<div class="block">Returns a hash code for this pair. The hash code is that of the key, as
returned by the <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/System.html?is-external=true#identityHashCode(java.lang.Object)" title="class or interface in java.lang"><code>System.identityHashCode()</code></a> method.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../edu/rit/util/PairBase.html#hashCode()">hashCode</a></code>&nbsp;in class&nbsp;<code><a href="../../../edu/rit/util/PairBase.html" title="class in edu.rit.util">PairBase</a>&lt;<a href="../../../edu/rit/util/IdentityPair.html" title="type parameter in IdentityPair">K</a>&gt;</code></dd>
<dt><span class="strong">Returns:</span></dt><dd>Hash code.</dd></dl>
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