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<div class="subTitle">org.apache.commons.configuration.tree</div>
<h2 title="Interface ConfigurationNodeVisitor" class="title">Interface ConfigurationNodeVisitor</h2>
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<pre>public interface <span class="strong">ConfigurationNodeVisitor</span></pre>
<div class="block"><p>
Definition of a <em>Visitor</em> interface for a configuration node
structure.
</p>
<p>
The <code>ConfigurationNode</code> interface defines a <code>visit()</code>,
which simplifies traversal of a complex node hierarchy. A configuration node
implementation must provide a way of visiting all nodes in the current
hierarchy. This is a typical application of the GoF <em>Visitor</em>
pattern.
</p></div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>1.3</dd>
<dt><span class="strong">Version:</span></dt>
<dd>$Id: ConfigurationNodeVisitor.java 1206463 2011-11-26 15:47:08Z oheger $</dd>
<dt><span class="strong">Author:</span></dt>
<dd><a
href="http://commons.apache.org/configuration/team-list.html">Commons
Configuration team</a></dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/configuration/tree/ConfigurationNode.html" title="interface in org.apache.commons.configuration.tree"><code>ConfigurationNode</code></a></dd></dl>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/configuration/tree/ConfigurationNodeVisitor.html#terminate()">terminate</a></strong>()</code>
<div class="block">Returns a flag whether the actual visit process should be aborted.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/configuration/tree/ConfigurationNodeVisitor.html#visitAfterChildren(org.apache.commons.configuration.tree.ConfigurationNode)">visitAfterChildren</a></strong>(<a href="../../../../../org/apache/commons/configuration/tree/ConfigurationNode.html" title="interface in org.apache.commons.configuration.tree">ConfigurationNode</a> node)</code>
<div class="block">Visits the specified node.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/configuration/tree/ConfigurationNodeVisitor.html#visitBeforeChildren(org.apache.commons.configuration.tree.ConfigurationNode)">visitBeforeChildren</a></strong>(<a href="../../../../../org/apache/commons/configuration/tree/ConfigurationNode.html" title="interface in org.apache.commons.configuration.tree">ConfigurationNode</a> node)</code>
<div class="block">Visits the specified node.</div>
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<h4>visitBeforeChildren</h4>
<pre>void visitBeforeChildren(<a href="../../../../../org/apache/commons/configuration/tree/ConfigurationNode.html" title="interface in org.apache.commons.configuration.tree">ConfigurationNode</a> node)</pre>
<div class="block">Visits the specified node. This method is called before eventually
existing children of this node are processed.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>node</code> - the node to be visited</dd></dl>
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<pre>void visitAfterChildren(<a href="../../../../../org/apache/commons/configuration/tree/ConfigurationNode.html" title="interface in org.apache.commons.configuration.tree">ConfigurationNode</a> node)</pre>
<div class="block">Visits the specified node. This method is called after eventually
existing children of this node have been processed.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>node</code> - the node to be visited</dd></dl>
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<h4>terminate</h4>
<pre>boolean terminate()</pre>
<div class="block">Returns a flag whether the actual visit process should be aborted. This
method allows a visitor implementation to state that it does not need any
further data. It may be used e.g. by visitors that search for a certain
node in the hierarchy. After that node was found, there is no need to
process the remaining nodes, too.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>a flag if the visit process should be stopped</dd></dl>
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