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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.cayenne.query</a></div>
<h2 title="Class PrefetchTreeNode" class="title">Class PrefetchTreeNode</h2>
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<ul class="inheritance">
<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" class="externalLink">java.lang.Object</a></li>
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<li>org.apache.cayenne.query.PrefetchTreeNode</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io" class="externalLink">Serializable</a></code>, <code><a href="../util/XMLSerializable.html" title="interface in org.apache.cayenne.util">XMLSerializable</a></code></dd>
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<pre>public class <span class="typeNameLabel">PrefetchTreeNode</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>
implements <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io" class="externalLink">Serializable</a>, <a href="../util/XMLSerializable.html" title="interface in org.apache.cayenne.util">XMLSerializable</a></pre>
<div class="block">Defines a node in a prefetch tree.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.2</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../serialized-form.html#org.apache.cayenne.query.PrefetchTreeNode">Serialized Form</a></dd>
</dl>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#children">children</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DISJOINT_BY_ID_PREFETCH_SEMANTICS">DISJOINT_BY_ID_PREFETCH_SEMANTICS</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DISJOINT_PREFETCH_SEMANTICS">DISJOINT_PREFETCH_SEMANTICS</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ejbqlPathEntityId">ejbqlPathEntityId</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#entityName">entityName</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#JOINT_PREFETCH_SEMANTICS">JOINT_PREFETCH_SEMANTICS</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#name">name</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#parent">parent</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#phantom">phantom</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#semantics">semantics</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#UNDEFINED_SEMANTICS">UNDEFINED_SEMANTICS</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier</th>
<th class="colSecond" scope="col">Constructor</th>
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<td class="colFirst"><code>&nbsp;</code></td>
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">PrefetchTreeNode</a></span>()</code></th>
<td class="colLast">
<div class="block">Creates a root node of the prefetch tree.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected </code></td>
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.cayenne.query.PrefetchTreeNode,java.lang.String)">PrefetchTreeNode</a></span>&#8203;(<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;parent,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;name)</code></th>
<td class="colLast">
<div class="block">Creates a phantom PrefetchTreeNode, initializing it with parent node and
a name of a relationship segment connecting this node with the parent.</div>
</td>
</tr>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addChild(org.apache.cayenne.query.PrefetchTreeNode)">addChild</a></span>&#8203;(<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;child)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addPath(java.lang.String)">addPath</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;path)</code></th>
<td class="colLast">
<div class="block">Adds a "path" with specified semantics to this prefetch node.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#adjacentJointNodes()">adjacentJointNodes</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns a subset of nodes with "joint" semantics that are to be
prefetched in the same query as the current node.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cloneJointSubtree()">cloneJointSubtree</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns a clone of subtree that includes all joint children starting from
this node itself and till the first occurrence of non-joint node</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#disjointByIdNodes()">disjointByIdNodes</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns a collection of PrefetchTreeNodes with disjoint semantics</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#disjointNodes()">disjointNodes</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns a collection of PrefetchTreeNodes with disjoint semantics.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#encodeAsXML(org.apache.cayenne.util.XMLEncoder,org.apache.cayenne.configuration.ConfigurationNodeVisitor)">encodeAsXML</a></span>&#8203;(<a href="../util/XMLEncoder.html" title="class in org.apache.cayenne.util">XMLEncoder</a>&nbsp;encoder,
<a href="../configuration/ConfigurationNodeVisitor.html" title="interface in org.apache.cayenne.configuration">ConfigurationNodeVisitor</a>&nbsp;delegate)</code></th>
<td class="colLast">
<div class="block">Prints itself as XML to the provided XMLEncoder.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>protected <a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getChild(java.lang.String)">getChild</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;segment)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getChildren()">getChildren</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns an unmodifiable collection of children.</div>
</td>
</tr>
<tr id="i9" 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" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEjbqlPathEntityId()">getEjbqlPathEntityId</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i10" 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" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEntityName()">getEntityName</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i11" 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" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getName()">getName</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNode(java.lang.String)">getNode</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;path)</code></th>
<td class="colLast">
<div class="block">Looks up an existing node in the tree desribed by the dot-separated path.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getParent()">getParent</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i14" 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" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPath()">getPath</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns full prefetch path, that is a dot separated String of node names
starting from root and up to and including this node.</div>
</td>
</tr>
<tr id="i15" 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" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPath(org.apache.cayenne.query.PrefetchTreeNode)">getPath</a></span>&#8203;(<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;upTillParent)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code><a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRoot()">getRoot</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the root of the node tree.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSemantics()">getSemantics</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hasChildren()">hasChildren</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isDisjointByIdPrefetch()">isDisjointByIdPrefetch</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isDisjointPrefetch()">isDisjointPrefetch</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isJointPrefetch()">isJointPrefetch</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isPhantom()">isPhantom</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#jointNodes()">jointNodes</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns a collection of PrefetchTreeNodes in this tree with joint
semantics.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#merge(org.apache.cayenne.query.PrefetchTreeNode)">merge</a></span>&#8203;(<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;node)</code></th>
<td class="colLast">
<div class="block">Merges <a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query"><code>PrefetchTreeNode</code></a> into the current prefetch tree, cloning
the nodes added to this tree.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nonPhantomNodes()">nonPhantomNodes</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns a collection of PrefetchTreeNodes that are not phantoms.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readResolve()">readResolve</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removeChild(java.lang.String)">removeChild</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;segment)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removeChild(org.apache.cayenne.query.PrefetchTreeNode)">removeChild</a></span>&#8203;(<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;child)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removePath(java.lang.String)">removePath</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;path)</code></th>
<td class="colLast">
<div class="block">Removes or makes phantom a node defined by this path.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setEjbqlPathEntityId(java.lang.String)">setEjbqlPathEntityId</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;ejbqlPathEntityId)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setEntityName(java.lang.String)">setEntityName</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;entityName)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setPhantom(boolean)">setPhantom</a></span>&#8203;(boolean&nbsp;phantom)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setSemantics(int)">setSemantics</a></span>&#8203;(int&nbsp;semantics)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#traverse(org.apache.cayenne.query.PrefetchProcessor)">traverse</a></span>&#8203;(<a href="PrefetchProcessor.html" title="interface in org.apache.cayenne.query">PrefetchProcessor</a>&nbsp;processor)</code></th>
<td class="colLast">
<div class="block">Traverses the tree depth-first, invoking callback methods of the
processor when passing through the nodes.</div>
</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code>static <a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withPath(java.lang.String,int)">withPath</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;path,
int&nbsp;semantics)</code></th>
<td class="colLast">
<div class="block">Creates and returns a prefetch tree spanning a single path.</div>
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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" class="externalLink">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" class="externalLink">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" class="externalLink">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" class="externalLink">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" class="externalLink">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" class="externalLink">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" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</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" class="externalLink">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" class="externalLink">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" class="externalLink">wait</a></code></li>
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<pre>public static final&nbsp;int UNDEFINED_SEMANTICS</pre>
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<dd><a href="../../../../constant-values.html#org.apache.cayenne.query.PrefetchTreeNode.UNDEFINED_SEMANTICS">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int JOINT_PREFETCH_SEMANTICS</pre>
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<dd><a href="../../../../constant-values.html#org.apache.cayenne.query.PrefetchTreeNode.JOINT_PREFETCH_SEMANTICS">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int DISJOINT_PREFETCH_SEMANTICS</pre>
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<dd><a href="../../../../constant-values.html#org.apache.cayenne.query.PrefetchTreeNode.DISJOINT_PREFETCH_SEMANTICS">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int DISJOINT_BY_ID_PREFETCH_SEMANTICS</pre>
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<dd><a href="../../../../constant-values.html#org.apache.cayenne.query.PrefetchTreeNode.DISJOINT_BY_ID_PREFETCH_SEMANTICS">Constant Field Values</a></dd>
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<pre>protected&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" class="externalLink">String</a> name</pre>
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<pre>protected&nbsp;boolean phantom</pre>
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<pre>protected&nbsp;int semantics</pre>
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<pre>protected&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" class="externalLink">String</a> ejbqlPathEntityId</pre>
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<pre>protected&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" class="externalLink">String</a> entityName</pre>
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<pre>protected transient&nbsp;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a> parent</pre>
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<pre>protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt; children</pre>
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<pre>public&nbsp;PrefetchTreeNode()</pre>
<div class="block">Creates a root node of the prefetch tree. Children can be added to the
parent by calling "addPath".</div>
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<pre>protected&nbsp;PrefetchTreeNode&#8203;(<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;parent,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;name)</pre>
<div class="block">Creates a phantom PrefetchTreeNode, initializing it with parent node and
a name of a relationship segment connecting this node with the parent.</div>
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<pre class="methodSignature">public static&nbsp;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;withPath&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;path,
int&nbsp;semantics)</pre>
<div class="block">Creates and returns a prefetch tree spanning a single path. The tree is
made of phantom nodes, up to the leaf node, which is non-phantom and has
specified semantics.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>4.0</dd>
</dl>
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<a id="encodeAsXML(org.apache.cayenne.util.XMLEncoder,org.apache.cayenne.configuration.ConfigurationNodeVisitor)">
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<pre class="methodSignature">public&nbsp;void&nbsp;encodeAsXML&#8203;(<a href="../util/XMLEncoder.html" title="class in org.apache.cayenne.util">XMLEncoder</a>&nbsp;encoder,
<a href="../configuration/ConfigurationNodeVisitor.html" title="interface in org.apache.cayenne.configuration">ConfigurationNodeVisitor</a>&nbsp;delegate)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../util/XMLSerializable.html#encodeAsXML(org.apache.cayenne.util.XMLEncoder,org.apache.cayenne.configuration.ConfigurationNodeVisitor)">XMLSerializable</a></code></span></div>
<div class="block">Prints itself as XML to the provided XMLEncoder.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../util/XMLSerializable.html#encodeAsXML(org.apache.cayenne.util.XMLEncoder,org.apache.cayenne.configuration.ConfigurationNodeVisitor)">encodeAsXML</a></code>&nbsp;in interface&nbsp;<code><a href="../util/XMLSerializable.html" title="interface in org.apache.cayenne.util">XMLSerializable</a></code></dd>
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<pre class="methodSignature">public&nbsp;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;getRoot()</pre>
<div class="block">Returns the root of the node tree. Root is the topmost parent node that
itself has no parent set.</div>
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<pre class="methodSignature">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" class="externalLink">String</a>&nbsp;getPath()</pre>
<div class="block">Returns full prefetch path, that is a dot separated String of node names
starting from root and up to and including this node. Note that root
"name" is considered to be an empty string.</div>
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<pre class="methodSignature">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" class="externalLink">String</a>&nbsp;getPath&#8203;(<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;upTillParent)</pre>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;&nbsp;adjacentJointNodes()</pre>
<div class="block">Returns a subset of nodes with "joint" semantics that are to be
prefetched in the same query as the current node. Result excludes this
node, regardless of its semantics.</div>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;&nbsp;jointNodes()</pre>
<div class="block">Returns a collection of PrefetchTreeNodes in this tree with joint
semantics.</div>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;&nbsp;disjointNodes()</pre>
<div class="block">Returns a collection of PrefetchTreeNodes with disjoint semantics.</div>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;&nbsp;disjointByIdNodes()</pre>
<div class="block">Returns a collection of PrefetchTreeNodes with disjoint semantics</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>3.1</dd>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;&nbsp;nonPhantomNodes()</pre>
<div class="block">Returns a collection of PrefetchTreeNodes that are not phantoms.</div>
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<pre class="methodSignature">public&nbsp;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;cloneJointSubtree()</pre>
<div class="block">Returns a clone of subtree that includes all joint children starting from
this node itself and till the first occurrence of non-joint node</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>3.1</dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;traverse&#8203;(<a href="PrefetchProcessor.html" title="interface in org.apache.cayenne.query">PrefetchProcessor</a>&nbsp;processor)</pre>
<div class="block">Traverses the tree depth-first, invoking callback methods of the
processor when passing through the nodes.</div>
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<pre class="methodSignature">public&nbsp;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;getNode&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;path)</pre>
<div class="block">Looks up an existing node in the tree desribed by the dot-separated path.
Will return null if no matching child exists.</div>
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<h4>addPath</h4>
<pre class="methodSignature">public&nbsp;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;addPath&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;path)</pre>
<div class="block">Adds a "path" with specified semantics to this prefetch node. All yet
non-existent nodes in the created path will be marked as phantom.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the last segment in the created path.</dd>
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<h4>merge</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;merge&#8203;(<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;node)</pre>
<div class="block">Merges <a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query"><code>PrefetchTreeNode</code></a> into the current prefetch tree, cloning
the nodes added to this tree. Merged nodes semantics (if defined) and
non-phantom status are applied to the nodes of this tree.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>node</code> - a root node of a tree to merge into this tree. The path of the
merged node within the resulting tree is determined from its
name.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>4.0</dd>
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<h4>removePath</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;removePath&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;path)</pre>
<div class="block">Removes or makes phantom a node defined by this path. If the node for
this path doesn't have any children, it is removed, otherwise it is made
phantom.</div>
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<pre class="methodSignature">public&nbsp;void&nbsp;addChild&#8203;(<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;child)</pre>
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<pre class="methodSignature">public&nbsp;void&nbsp;removeChild&#8203;(<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;child)</pre>
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<pre class="methodSignature">protected&nbsp;void&nbsp;removeChild&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;segment)</pre>
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<pre class="methodSignature">protected&nbsp;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;getChild&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;segment)</pre>
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<h4>getParent</h4>
<pre class="methodSignature">public&nbsp;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&nbsp;getParent()</pre>
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<h4>getChildren</h4>
<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</a>&gt;&nbsp;getChildren()</pre>
<div class="block">Returns an unmodifiable collection of children.</div>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;hasChildren()</pre>
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<pre class="methodSignature">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" class="externalLink">String</a>&nbsp;getName()</pre>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isPhantom()</pre>
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<pre class="methodSignature">public&nbsp;void&nbsp;setPhantom&#8203;(boolean&nbsp;phantom)</pre>
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<pre class="methodSignature">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" class="externalLink">String</a>&nbsp;getEjbqlPathEntityId()</pre>
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<pre class="methodSignature">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" class="externalLink">String</a>&nbsp;getEntityName()</pre>
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<pre class="methodSignature">public&nbsp;void&nbsp;setEntityName&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;entityName)</pre>
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<pre class="methodSignature">protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;readResolve()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/ObjectStreamException.html?is-external=true" title="class or interface in java.io" class="externalLink">ObjectStreamException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/ObjectStreamException.html?is-external=true" title="class or interface in java.io" class="externalLink">ObjectStreamException</a></code></dd>
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