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Yasuhiro KIMURA
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453 lines
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<div class="aboutLanguage"><b>Berkeley DB</b><br><font size="-1"> version 18.1.40</font></div>
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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.sleepycat.collections</a></div>
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<h2 title="Class MapEntryParameter" class="title">Class MapEntryParameter<K,​V></h2>
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<li>java.lang.Object</li>
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<li>com.sleepycat.collections.MapEntryParameter<K,​V></li>
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<dd><code>java.util.Map.Entry<K,​V></code></dd>
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<pre>public class <span class="typeNameLabel">MapEntryParameter<K,​V></span>
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extends java.lang.Object
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implements java.util.Map.Entry<K,​V></pre>
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<div class="block">A simple <code>Map.Entry</code> implementation that can be used as in
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input parameter. Since a <code>MapEntryParameter</code> is not obtained
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from a map, it is not attached to any map in particular. To emphasize that
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changing this object does not change the map, the <a href="#setValue-V-"><code>setValue(V)</code></a> method
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always throws <code>UnsupportedOperationException</code>.
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<p><b>Warning:</b> Use of this interface violates the Java Collections
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interface contract since these state that <code>Map.Entry</code> objects
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should only be obtained from <code>Map.entrySet()</code> sets, while this
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class allows constructing them directly. However, it is useful for
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performing operations on an entry set such as add(), contains(), etc. For
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restrictions see <a href="#getValue--"><code>getValue()</code></a> and <a href="#setValue-V-"><code>setValue(V)</code></a>.</p></div>
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<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colLast" scope="col">Description</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#MapEntryParameter-K-V-">MapEntryParameter</a></span>​(<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">K</a> key,
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<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a> value)</code></th>
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<td class="colLast">
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<div class="block">Creates a map entry with a given key and value.</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colSecond" scope="col">Method</th>
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<th class="colLast" scope="col">Description</th>
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</tr>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equals-java.lang.Object-">equals</a></span>​(java.lang.Object other)</code></th>
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<td class="colLast">
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<div class="block">Compares this entry to a given entry as specified by <code>Map.Entry.equals(java.lang.Object)</code>.</div>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code><a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">K</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getKey--">getKey</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns the key of this entry.</div>
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</td>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code><a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValue--">getValue</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns the value of this entry.</div>
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</td>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>int</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hashCode--">hashCode</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Computes a hash code as specified by <code>Map.Entry.hashCode()</code>.</div>
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</td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code><a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setValue-V-">setValue</a></span>​(<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a> newValue)</code></th>
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<td class="colLast">
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<div class="block">Always throws <code>UnsupportedOperationException</code> since this
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object is not attached to a map.</div>
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</td>
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<td class="colFirst"><code>java.lang.String</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString--">toString</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Converts the entry to a string representation for debugging.</div>
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<h3>Methods inherited from class java.lang.Object</h3>
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<code>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</code></li>
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<a name="MapEntryParameter-java.lang.Object-java.lang.Object-">
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<h4>MapEntryParameter</h4>
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<pre>public MapEntryParameter​(<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">K</a> key,
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<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a> value)</pre>
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<div class="block">Creates a map entry with a given key and value.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>key</code> - is the key to use.</dd>
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<dd><code>value</code> - is the value to use.</dd>
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<h4>hashCode</h4>
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<pre class="methodSignature">public int hashCode()</pre>
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<div class="block">Computes a hash code as specified by <code>Map.Entry.hashCode()</code>.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code>hashCode</code> in interface <code>java.util.Map.Entry<<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">K</a>,​<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a>></code></dd>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
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<dd><code>hashCode</code> in class <code>java.lang.Object</code></dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the computed hash code.</dd>
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</dl>
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<h4>equals</h4>
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<pre class="methodSignature">public boolean equals​(java.lang.Object other)</pre>
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<div class="block">Compares this entry to a given entry as specified by <code>Map.Entry.equals(java.lang.Object)</code>.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code>equals</code> in interface <code>java.util.Map.Entry<<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">K</a>,​<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a>></code></dd>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
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<dd><code>equals</code> in class <code>java.lang.Object</code></dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the computed hash code.</dd>
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</dl>
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<a name="getKey--">
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<h4>getKey</h4>
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<pre class="methodSignature">public final <a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">K</a> getKey()</pre>
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<div class="block">Returns the key of this entry.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code>getKey</code> in interface <code>java.util.Map.Entry<<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">K</a>,​<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a>></code></dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the key of this entry.</dd>
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<a name="getValue--">
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<h4>getValue</h4>
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<pre class="methodSignature">public final <a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a> getValue()</pre>
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<div class="block">Returns the value of this entry. Note that this will be the value
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passed to the constructor or the last value passed to <a href="#setValue-V-"><code>setValue(V)</code></a>.
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It will not reflect changes made to a Map.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code>getValue</code> in interface <code>java.util.Map.Entry<<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">K</a>,​<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a>></code></dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the value of this entry.</dd>
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</dl>
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</li>
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<a name="setValue-java.lang.Object-">
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</a><a name="setValue-V-">
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<h4>setValue</h4>
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<pre class="methodSignature">public <a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a> setValue​(<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a> newValue)</pre>
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<div class="block">Always throws <code>UnsupportedOperationException</code> since this
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object is not attached to a map.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code>setValue</code> in interface <code>java.util.Map.Entry<<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">K</a>,​<a href="MapEntryParameter.html" title="type parameter in MapEntryParameter">V</a>></code></dd>
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</dl>
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<h4>toString</h4>
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<pre class="methodSignature">public java.lang.String toString()</pre>
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<div class="block">Converts the entry to a string representation for debugging.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
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<dd><code>toString</code> in class <code>java.lang.Object</code></dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the string representation.</dd>
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</dl>
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</li>
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<div class="aboutLanguage"><b>Berkeley DB</b><br><font size="-1"> version 18.1.40</font></div>
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