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<div class="subTitle">org.janusgraph.graphdb.query</div>
<h2 title="Interface ElementQuery" class="title">Interface ElementQuery&lt;R extends <a href="../../../../org/janusgraph/core/JanusGraphElement.html" title="interface in org.janusgraph.core">JanusGraphElement</a>,B extends <a href="../../../../org/janusgraph/graphdb/query/BackendQuery.html" title="interface in org.janusgraph.graphdb.query">BackendQuery</a>&lt;B&gt;&gt;</h2>
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<dt>All Superinterfaces:</dt>
<dd><a href="../../../../org/janusgraph/graphdb/query/profile/ProfileObservable.html" title="interface in org.janusgraph.graphdb.query.profile">ProfileObservable</a>, <a href="../../../../org/janusgraph/graphdb/query/Query.html" title="interface in org.janusgraph.graphdb.query">Query</a></dd>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../org/janusgraph/graphdb/query/graph/GraphCentricQuery.html" title="class in org.janusgraph.graphdb.query.graph">GraphCentricQuery</a>, <a href="../../../../org/janusgraph/graphdb/query/vertex/VertexCentricQuery.html" title="class in org.janusgraph.graphdb.query.vertex">VertexCentricQuery</a></dd>
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<pre>public interface <span class="typeNameLabel">ElementQuery&lt;R extends <a href="../../../../org/janusgraph/core/JanusGraphElement.html" title="interface in org.janusgraph.core">JanusGraphElement</a>,B extends <a href="../../../../org/janusgraph/graphdb/query/BackendQuery.html" title="interface in org.janusgraph.graphdb.query">BackendQuery</a>&lt;B&gt;&gt;</span>
extends <a href="../../../../org/janusgraph/graphdb/query/Query.html" title="interface in org.janusgraph.graphdb.query">Query</a>, <a href="../../../../org/janusgraph/graphdb/query/profile/ProfileObservable.html" title="interface in org.janusgraph.graphdb.query.profile">ProfileObservable</a></pre>
<div class="block">A query that returns <a href="../../../../org/janusgraph/core/JanusGraphElement.html" title="interface in org.janusgraph.core"><code>JanusGraphElement</code></a>s. This query can consist of multiple sub-queries that together
form the desired result set.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Matthias Broecheler (me@matthiasb.com)</dd>
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<h3>Fields inherited from interface&nbsp;org.janusgraph.graphdb.query.<a href="../../../../org/janusgraph/graphdb/query/Query.html" title="interface in org.janusgraph.graphdb.query">Query</a></h3>
<code><a href="../../../../org/janusgraph/graphdb/query/Query.html#NO_LIMIT">NO_LIMIT</a></code></li>
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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/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a>&lt;<a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html" title="type parameter in ElementQuery">R</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html#getSortOrder--">getSortOrder</a></span>()</code>
<div class="block">Returns the expected sort order of this query if any was specified.</div>
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<td class="colFirst"><code><a href="../../../../org/janusgraph/graphdb/query/BackendQueryHolder.html" title="class in org.janusgraph.graphdb.query">BackendQueryHolder</a>&lt;<a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html" title="type parameter in ElementQuery">B</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html#getSubQuery-int-">getSubQuery</a></span>(int&nbsp;position)</code>
<div class="block">Returns the backend query at the given position that comprises this ElementQuery</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html#hasDuplicateResults--">hasDuplicateResults</a></span>()</code>
<div class="block">Whether the combination of the individual sub-queries can result in duplicate
results.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html#isEmpty--">isEmpty</a></span>()</code>
<div class="block">Whether the result set of this query is empty</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html#isSorted--">isSorted</a></span>()</code>
<div class="block">Whether this query expects the results to be in a particular sort order.</div>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html#matches-R-">matches</a></span>(<a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html" title="type parameter in ElementQuery">R</a>&nbsp;element)</code>
<div class="block">Whether the given element matches the conditions of this query.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html#numSubQueries--">numSubQueries</a></span>()</code>
<div class="block">Returns the number of sub-queries this query is comprised of.</div>
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<h3>Methods inherited from interface&nbsp;org.janusgraph.graphdb.query.<a href="../../../../org/janusgraph/graphdb/query/Query.html" title="interface in org.janusgraph.graphdb.query">Query</a></h3>
<code><a href="../../../../org/janusgraph/graphdb/query/Query.html#getLimit--">getLimit</a>, <a href="../../../../org/janusgraph/graphdb/query/Query.html#hasLimit--">hasLimit</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.janusgraph.graphdb.query.profile.<a href="../../../../org/janusgraph/graphdb/query/profile/ProfileObservable.html" title="interface in org.janusgraph.graphdb.query.profile">ProfileObservable</a></h3>
<code><a href="../../../../org/janusgraph/graphdb/query/profile/ProfileObservable.html#getProfiler--">getProfiler</a>, <a href="../../../../org/janusgraph/graphdb/query/profile/ProfileObservable.html#observeWith-org.janusgraph.graphdb.query.profile.QueryProfiler-">observeWith</a>, <a href="../../../../org/janusgraph/graphdb/query/profile/ProfileObservable.html#observeWith-org.janusgraph.graphdb.query.profile.QueryProfiler-boolean-">observeWith</a></code></li>
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<pre>boolean&nbsp;hasDuplicateResults()</pre>
<div class="block">Whether the combination of the individual sub-queries can result in duplicate
results. Indicates to the query executor whether the results need to be de-duplicated</div>
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<h4>isEmpty</h4>
<pre>boolean&nbsp;isEmpty()</pre>
<div class="block">Whether the result set of this query is empty</div>
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<h4>numSubQueries</h4>
<pre>int&nbsp;numSubQueries()</pre>
<div class="block">Returns the number of sub-queries this query is comprised of.</div>
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<h4>getSubQuery</h4>
<pre><a href="../../../../org/janusgraph/graphdb/query/BackendQueryHolder.html" title="class in org.janusgraph.graphdb.query">BackendQueryHolder</a>&lt;<a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html" title="type parameter in ElementQuery">B</a>&gt;&nbsp;getSubQuery(int&nbsp;position)</pre>
<div class="block">Returns the backend query at the given position that comprises this ElementQuery</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>position</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
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<h4>matches</h4>
<pre>boolean&nbsp;matches(<a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html" title="type parameter in ElementQuery">R</a>&nbsp;element)</pre>
<div class="block">Whether the given element matches the conditions of this query.
<p>
Used for result filtering if the result set returned by the query executor is not fitted.</div>
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<dd><code>element</code> - </dd>
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<pre>boolean&nbsp;isSorted()</pre>
<div class="block">Whether this query expects the results to be in a particular sort order.</div>
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<h4>getSortOrder</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a>&lt;<a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html" title="type parameter in ElementQuery">R</a>&gt;&nbsp;getSortOrder()</pre>
<div class="block">Returns the expected sort order of this query if any was specified. Check <a href="../../../../org/janusgraph/graphdb/query/ElementQuery.html#isSorted--"><code>isSorted()</code></a> first.</div>
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