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<div class="subTitle">org.apache.ignite.cache.query</div>
<h2 title="Class IndexQuery" class="title">Class IndexQuery<span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span></h2>
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<li><a href="https://docs.oracle.com/javase/8/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/apache/ignite/cache/query/Query.html" title="class in org.apache.ignite.cache.query">org.apache.ignite.cache.query.Query</a><span class='angle_bracket'>&lt;</span>javax.cache.Cache.Entry<span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span></li>
<li>
<ul class="inheritance">
<li>org.apache.ignite.cache.query.IndexQuery<span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span></li>
</ul>
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<dt>All Implemented Interfaces:</dt>
<dd><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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<hr>
<br>
<pre>public final class <span class="typeNameLabel">IndexQuery<span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span></span>
extends <a href="../../../../../org/apache/ignite/cache/query/Query.html" title="class in org.apache.ignite.cache.query">Query</a><span class='angle_bracket'>&lt;</span>javax.cache.Cache.Entry<span class='angle_bracket'>&lt;</span>K,V<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span></pre>
<div class="block">Index queries work over distributed indexes and retrieve cache entries that match the specified criteria.
<code>QueryCursor</code> delivers sorted cache entries by the order defined for queried index.
<code>IndexQuery</code> has to be initialized with cache value class or type. The algorithm of discovering index is as follows:
1. If <a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#idxName"><code>idxName</code></a> is set, then use it.
2. If <a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#idxName"><code>idxName</code></a> is not set, then find an index that matches criteria fields.
3. If neither <a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#idxName"><code>idxName</code></a>, nor <a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#setCriteria-java.util.List-"><code>setCriteria(List)</code></a> is used, then perform index scan over PK index for specified Value type.
Conjuction of items in <a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#criteria"><code>criteria</code></a> has to represent a valid range to traverse the index tree.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../serialized-form.html#org.apache.ignite.cache.query.IndexQuery">Serialized Form</a></dd>
</dl>
</li>
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</div>
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<h3>Fields inherited from class&nbsp;org.apache.ignite.cache.query.<a href="../../../../../org/apache/ignite/cache/query/Query.html" title="class in org.apache.ignite.cache.query">Query</a></h3>
<code><a href="../../../../../org/apache/ignite/cache/query/Query.html#DFLT_PAGE_SIZE">DFLT_PAGE_SIZE</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#IndexQuery-java.lang.Class-">IndexQuery</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><span class='angle_bracket'>&lt;</span>?<span class='angle_bracket'>&gt;</span>&nbsp;valCls)</code>
<div class="block">Specify index with cache value class.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#IndexQuery-java.lang.Class-java.lang.String-">IndexQuery</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><span class='angle_bracket'>&lt;</span>?<span class='angle_bracket'>&gt;</span>&nbsp;valCls,
@Nullable <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;idxName)</code>
<div class="block">Specify index with cache value class and index name.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#IndexQuery-java.lang.String-">IndexQuery</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;valType)</code>
<div class="block">Specify index with cache value type.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#IndexQuery-java.lang.String-java.lang.String-">IndexQuery</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;valType,
@Nullable <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;idxName)</code>
<div class="block">Specify index with cache value type and index name.</div>
</td>
</tr>
</table>
</li>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQueryCriterion.html" title="interface in org.apache.ignite.cache.query">IndexQueryCriterion</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#getCriteria--">getCriteria</a></span>()</code>
<div class="block">Index query criteria.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/ignite/lang/IgniteBiPredicate.html" title="interface in org.apache.ignite.lang">IgniteBiPredicate</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">K</a>,<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">V</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#getFilter--">getFilter</a></span>()</code>
<div class="block">Gets remote cache entries filter.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<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/ignite/cache/query/IndexQuery.html#getIndexName--">getIndexName</a></span>()</code>
<div class="block">Index name.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<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/ignite/cache/query/IndexQuery.html#getValueType--">getValueType</a></span>()</code>
<div class="block">Cache Value type.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="class in org.apache.ignite.cache.query">IndexQuery</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">K</a>,<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">V</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#setCriteria-org.apache.ignite.cache.query.IndexQueryCriterion...-">setCriteria</a></span>(<a href="../../../../../org/apache/ignite/cache/query/IndexQueryCriterion.html" title="interface in org.apache.ignite.cache.query">IndexQueryCriterion</a>...&nbsp;criteria)</code>
<div class="block">Sets conjunction (AND) criteria for index query.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="class in org.apache.ignite.cache.query">IndexQuery</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">K</a>,<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">V</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#setCriteria-java.util.List-">setCriteria</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQueryCriterion.html" title="interface in org.apache.ignite.cache.query">IndexQueryCriterion</a><span class='angle_bracket'>&gt;</span>&nbsp;criteria)</code>
<div class="block">Sets conjunction (AND) criteria for index query.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="class in org.apache.ignite.cache.query">IndexQuery</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">K</a>,<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">V</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html#setFilter-org.apache.ignite.lang.IgniteBiPredicate-">setFilter</a></span>(<a href="../../../../../org/apache/ignite/lang/IgniteBiPredicate.html" title="interface in org.apache.ignite.lang">IgniteBiPredicate</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">K</a>,<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">V</a><span class='angle_bracket'>&gt;</span>&nbsp;filter)</code>
<div class="block">Sets remote cache entries filter.</div>
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<h3>Methods inherited from class&nbsp;org.apache.ignite.cache.query.<a href="../../../../../org/apache/ignite/cache/query/Query.html" title="class in org.apache.ignite.cache.query">Query</a></h3>
<code><a href="../../../../../org/apache/ignite/cache/query/Query.html#getPageSize--">getPageSize</a>, <a href="../../../../../org/apache/ignite/cache/query/Query.html#isLocal--">isLocal</a>, <a href="../../../../../org/apache/ignite/cache/query/Query.html#prepare-int:A-">prepare</a>, <a href="../../../../../org/apache/ignite/cache/query/Query.html#setLocal-boolean-">setLocal</a>, <a href="../../../../../org/apache/ignite/cache/query/Query.html#setPageSize-int-">setPageSize</a>, <a href="../../../../../org/apache/ignite/cache/query/Query.html#toString--">toString</a></code></li>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>IndexQuery</h4>
<pre>public&nbsp;IndexQuery(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><span class='angle_bracket'>&lt;</span>?<span class='angle_bracket'>&gt;</span>&nbsp;valCls)</pre>
<div class="block">Specify index with cache value class.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>valCls</code> - Cache value class.</dd>
</dl>
</li>
</ul>
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<h4>IndexQuery</h4>
<pre>public&nbsp;IndexQuery(<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;valType)</pre>
<div class="block">Specify index with cache value type.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>valType</code> - Cache value type.</dd>
</dl>
</li>
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<pre>public&nbsp;IndexQuery(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><span class='angle_bracket'>&lt;</span>?<span class='angle_bracket'>&gt;</span>&nbsp;valCls,
@Nullable
@Nullable <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;idxName)</pre>
<div class="block">Specify index with cache value class and index name.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>valCls</code> - Cache value class.</dd>
<dd><code>idxName</code> - Index name.</dd>
</dl>
</li>
</ul>
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<h4>IndexQuery</h4>
<pre>public&nbsp;IndexQuery(<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;valType,
@Nullable
@Nullable <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;idxName)</pre>
<div class="block">Specify index with cache value type and index name.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>valType</code> - Cache value type.</dd>
<dd><code>idxName</code> - Index name.</dd>
</dl>
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<h4>setCriteria</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="class in org.apache.ignite.cache.query">IndexQuery</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">K</a>,<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">V</a><span class='angle_bracket'>&gt;</span>&nbsp;setCriteria(<a href="../../../../../org/apache/ignite/cache/query/IndexQueryCriterion.html" title="interface in org.apache.ignite.cache.query">IndexQueryCriterion</a>...&nbsp;criteria)</pre>
<div class="block">Sets conjunction (AND) criteria for index query.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>criteria</code> - Criteria to set.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>this</code> for chaining.</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="class in org.apache.ignite.cache.query">IndexQuery</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">K</a>,<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">V</a><span class='angle_bracket'>&gt;</span>&nbsp;setCriteria(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQueryCriterion.html" title="interface in org.apache.ignite.cache.query">IndexQueryCriterion</a><span class='angle_bracket'>&gt;</span>&nbsp;criteria)</pre>
<div class="block">Sets conjunction (AND) criteria for index query.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>criteria</code> - Criteria to set.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>this</code> for chaining.</dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQueryCriterion.html" title="interface in org.apache.ignite.cache.query">IndexQueryCriterion</a><span class='angle_bracket'>&gt;</span>&nbsp;getCriteria()</pre>
<div class="block">Index query criteria.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>List of criteria for this index query.</dd>
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<pre>public&nbsp;<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;getValueType()</pre>
<div class="block">Cache Value type.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>Cache Value type.</dd>
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<pre>public&nbsp;<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;getIndexName()</pre>
<div class="block">Index name.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>Index name.</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="class in org.apache.ignite.cache.query">IndexQuery</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">K</a>,<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">V</a><span class='angle_bracket'>&gt;</span>&nbsp;setFilter(<a href="../../../../../org/apache/ignite/lang/IgniteBiPredicate.html" title="interface in org.apache.ignite.lang">IgniteBiPredicate</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">K</a>,<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">V</a><span class='angle_bracket'>&gt;</span>&nbsp;filter)</pre>
<div class="block">Sets remote cache entries filter.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>filter</code> - Predicate for remote filtering of query result cursor.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>this</code> for chaining.</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/ignite/lang/IgniteBiPredicate.html" title="interface in org.apache.ignite.lang">IgniteBiPredicate</a><span class='angle_bracket'>&lt;</span><a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">K</a>,<a href="../../../../../org/apache/ignite/cache/query/IndexQuery.html" title="type parameter in IndexQuery">V</a><span class='angle_bracket'>&gt;</span>&nbsp;getFilter()</pre>
<div class="block">Gets remote cache entries filter.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Filter.</dd>
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<p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2022 Copyright &#169; Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Database and Caching Platform</b> </td> <td>:&nbsp;&nbsp; ver. <strong>2.12.0</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>:&nbsp;&nbsp; January 10 2022 </td> </tr> </tbody> </table> </td> </tr> </table></small></p>
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