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<div class="subTitle">org.apache.logging.log4j.util</div>
<h2 title="Interface IndexedReadOnlyStringMap" class="title">Interface IndexedReadOnlyStringMap</h2>
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<dt>All Superinterfaces:</dt>
<dd><a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html" title="interface in org.apache.logging.log4j.util">ReadOnlyStringMap</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></dd>
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<dd><a href="../../../../../org/apache/logging/log4j/util/IndexedStringMap.html" title="interface in org.apache.logging.log4j.util">IndexedStringMap</a></dd>
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<dd><a href="../../../../../org/apache/logging/log4j/util/SortedArrayStringMap.html" title="class in org.apache.logging.log4j.util">SortedArrayStringMap</a></dd>
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<pre>public interface <a href="../../../../../src-html/org/apache/logging/log4j/util/IndexedReadOnlyStringMap.html#line.31">IndexedReadOnlyStringMap</a>
extends <a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html" title="interface in org.apache.logging.log4j.util">ReadOnlyStringMap</a></pre>
<div class="block">An extension of <code>ReadOnlyStringMap</code> that imposes a total ordering on its keys.
The map is ordered according to the natural ordering of its keys. This order is reflected when
<a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html#forEach-org.apache.logging.log4j.util.BiConsumer-"><code>consuming</code></a> the key-value pairs with a <a href="../../../../../org/apache/logging/log4j/util/BiConsumer.html" title="interface in org.apache.logging.log4j.util"><code>BiConsumer</code></a> or a <a href="../../../../../org/apache/logging/log4j/util/TriConsumer.html" title="interface in org.apache.logging.log4j.util"><code>TriConsumer</code></a>.
<p>
This interface views all key-value pairs as a sequence ordered by key, and allows
keys and values to be accessed by their index in the sequence.
</p></div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.8</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html" title="interface in org.apache.logging.log4j.util"><code>ReadOnlyStringMap</code></a></dd>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/logging/log4j/util/IndexedReadOnlyStringMap.html#getKeyAt-int-">getKeyAt</a></span>(int&nbsp;index)</code>
<div class="block">Viewing all key-value pairs as a sequence sorted by key, this method returns the key at the specified index,
or <code>null</code> if the specified index is less than zero or greater or equal to the size of this collection.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>&lt;V&gt;&nbsp;V</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/logging/log4j/util/IndexedReadOnlyStringMap.html#getValueAt-int-">getValueAt</a></span>(int&nbsp;index)</code>
<div class="block">Viewing all key-value pairs as a sequence sorted by key, this method returns the value at the specified index,
or <code>null</code> if the specified index is less than zero or greater or equal to the size of this collection.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/logging/log4j/util/IndexedReadOnlyStringMap.html#indexOfKey-java.lang.String-">indexOfKey</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)</code>
<div class="block">Viewing all key-value pairs as a sequence sorted by key, this method returns the index of the specified key in
that sequence.</div>
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<h3>Methods inherited from interface&nbsp;org.apache.logging.log4j.util.<a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html" title="interface in org.apache.logging.log4j.util">ReadOnlyStringMap</a></h3>
<code><a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html#containsKey-java.lang.String-">containsKey</a>, <a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html#forEach-org.apache.logging.log4j.util.BiConsumer-">forEach</a>, <a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html#forEach-org.apache.logging.log4j.util.TriConsumer-S-">forEach</a>, <a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html#getValue-java.lang.String-">getValue</a>, <a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html#isEmpty--">isEmpty</a>, <a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html#size--">size</a>, <a href="../../../../../org/apache/logging/log4j/util/ReadOnlyStringMap.html#toMap--">toMap</a></code></li>
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<h4>getKeyAt</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../../src-html/org/apache/logging/log4j/util/IndexedReadOnlyStringMap.html#line.40">getKeyAt</a>(int&nbsp;index)</pre>
<div class="block">Viewing all key-value pairs as a sequence sorted by key, this method returns the key at the specified index,
or <code>null</code> if the specified index is less than zero or greater or equal to the size of this collection.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - the index of the key to return</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the key at the specified index or <code>null</code></dd>
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<h4>getValueAt</h4>
<pre>&lt;V&gt;&nbsp;V&nbsp;<a href="../../../../../src-html/org/apache/logging/log4j/util/IndexedReadOnlyStringMap.html#line.49">getValueAt</a>(int&nbsp;index)</pre>
<div class="block">Viewing all key-value pairs as a sequence sorted by key, this method returns the value at the specified index,
or <code>null</code> if the specified index is less than zero or greater or equal to the size of this collection.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - the index of the value to return</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the value at the specified index or <code>null</code></dd>
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<h4>indexOfKey</h4>
<pre>int&nbsp;<a href="../../../../../src-html/org/apache/logging/log4j/util/IndexedReadOnlyStringMap.html#line.62">indexOfKey</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)</pre>
<div class="block">Viewing all key-value pairs as a sequence sorted by key, this method returns the index of the specified key in
that sequence. If the specified key is not found, this method returns <code>(-(insertion point) - 1)</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - the key whose index in the ordered sequence of keys to return</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the index of the specified key or <code>(-(insertion point) - 1)</code> if the key is not found.
The insertion point is defined as the point at which the key would be inserted into the array:
the index of the first element in the range greater than the key, or <code>size()</code> if all elements
are less than the specified key. Note that this guarantees that the return value will be &gt;= 0
if and only if the key is found.</dd>
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