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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<div class="subTitle">com.amazon.carbonado.qe</div>
<h2 title="Class IndexedQueryAnalyzer" class="title">Class IndexedQueryAnalyzer<S extends <a href="../../../../com/amazon/carbonado/Storable.html" title="interface in com.amazon.carbonado">Storable</a>></h2>
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<li>java.lang.Object</li>
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<pre>public class <span class="strong">IndexedQueryAnalyzer<S extends <a href="../../../../com/amazon/carbonado/Storable.html" title="interface in com.amazon.carbonado">Storable</a>></span>
extends java.lang.Object</pre>
<div class="block">Analyzes a simple query specification and determines which index is best
suited for its execution. Query filters passed to this analyzer cannot
contain any 'or' operations.
<p>IndexedQueryAnalyzer is sharable and thread-safe. An instance for a
particular Storable type can be cached, avoiding repeated construction
cost. In addition, the analyzer caches learned foreign indexes.</div>
<dl><dt><span class="strong">Author:</span></dt>
<dd>Brian S O'Neill</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../com/amazon/carbonado/qe/UnionQueryAnalyzer.html" title="class in com.amazon.carbonado.qe"><code>UnionQueryAnalyzer</code></a></dd></dl>
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<td class="colFirst"><code>class </code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.Result.html" title="class in com.amazon.carbonado.qe">IndexedQueryAnalyzer.Result</a></strong></code> </td>
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<td class="colOne"><code><strong><a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.html#IndexedQueryAnalyzer(java.lang.Class, com.amazon.carbonado.qe.RepositoryAccess)">IndexedQueryAnalyzer</a></strong>(java.lang.Class<<a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.html" title="type parameter in IndexedQueryAnalyzer">S</a>> type,
<a href="../../../../com/amazon/carbonado/qe/RepositoryAccess.html" title="interface in com.amazon.carbonado.qe">RepositoryAccess</a> access)</code> </td>
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<td class="colFirst"><code><a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.Result.html" title="class in com.amazon.carbonado.qe">IndexedQueryAnalyzer.Result</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.html#analyze(com.amazon.carbonado.filter.Filter, com.amazon.carbonado.qe.OrderingList, com.amazon.carbonado.qe.QueryHints)">analyze</a></strong>(<a href="../../../../com/amazon/carbonado/filter/Filter.html" title="class in com.amazon.carbonado.filter">Filter</a><<a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.html" title="type parameter in IndexedQueryAnalyzer">S</a>> filter,
<a href="../../../../com/amazon/carbonado/qe/OrderingList.html" title="class in com.amazon.carbonado.qe">OrderingList</a><<a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.html" title="type parameter in IndexedQueryAnalyzer">S</a>> ordering,
<a href="../../../../com/amazon/carbonado/qe/QueryHints.html" title="class in com.amazon.carbonado.qe">QueryHints</a> hints)</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>java.lang.Class<<a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.html" title="type parameter in IndexedQueryAnalyzer">S</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.html#getStorableType()">getStorableType</a></strong>()</code> </td>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>IndexedQueryAnalyzer</h4>
<pre>public IndexedQueryAnalyzer(java.lang.Class<<a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.html" title="type parameter in IndexedQueryAnalyzer">S</a>> type,
<a href="../../../../com/amazon/carbonado/qe/RepositoryAccess.html" title="interface in com.amazon.carbonado.qe">RepositoryAccess</a> access)</pre>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>type</code> - type of storable being queried</dd><dd><code>access</code> - repository access for examing available indexes</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.IllegalArgumentException</code> - if type or indexProvider is null</dd></dl>
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<pre>public java.lang.Class<<a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.html" title="type parameter in IndexedQueryAnalyzer">S</a>> getStorableType()</pre>
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<h4>analyze</h4>
<pre>public <a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.Result.html" title="class in com.amazon.carbonado.qe">IndexedQueryAnalyzer.Result</a> analyze(<a href="../../../../com/amazon/carbonado/filter/Filter.html" title="class in com.amazon.carbonado.filter">Filter</a><<a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.html" title="type parameter in IndexedQueryAnalyzer">S</a>> filter,
<a href="../../../../com/amazon/carbonado/qe/OrderingList.html" title="class in com.amazon.carbonado.qe">OrderingList</a><<a href="../../../../com/amazon/carbonado/qe/IndexedQueryAnalyzer.html" title="type parameter in IndexedQueryAnalyzer">S</a>> ordering,
<a href="../../../../com/amazon/carbonado/qe/QueryHints.html" title="class in com.amazon.carbonado.qe">QueryHints</a> hints)
throws <a href="../../../../com/amazon/carbonado/SupportException.html" title="class in com.amazon.carbonado">SupportException</a>,
<a href="../../../../com/amazon/carbonado/RepositoryException.html" title="class in com.amazon.carbonado">RepositoryException</a></pre>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>filter</code> - optional filter which which must be <a href="../../../../com/amazon/carbonado/filter/Filter.html#isBound()"><code>bound</code></a> and cannot contain any logical 'or' operations.</dd><dd><code>ordering</code> - optional properties which define desired ordering</dd><dd><code>hints</code> - optional query hints</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.IllegalArgumentException</code> - if filter is not supported</dd>
<dd><code><a href="../../../../com/amazon/carbonado/SupportException.html" title="class in com.amazon.carbonado">SupportException</a></code></dd>
<dd><code><a href="../../../../com/amazon/carbonado/RepositoryException.html" title="class in com.amazon.carbonado">RepositoryException</a></code></dd></dl>
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