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| <h2 title="Interface GraphVisitor" class="title">Interface GraphVisitor</h2> |
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| <pre>public interface <span class="strong">GraphVisitor</span></pre> |
| <div class="block"><p>A helper interface that allows third parties to be notified of |
| graph events during graph traversals</p></div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>1.0.0</dd> |
| <dt><span class="strong">Author:</span></dt> |
| <dd>Steve Kim</dd></dl> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html#edgeVisited(org.apache.openjpa.lib.graph.Edge)">edgeVisited</a></strong>(<a href="../../../../../org/apache/openjpa/lib/graph/Edge.html" title="class in org.apache.openjpa.lib.graph">Edge</a> edge)</code> |
| <div class="block">may visit the node twice (both sides)</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html#nodeSeen(java.lang.Object)">nodeSeen</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> node)</code> |
| <div class="block">May not be called.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html#nodeVisited(java.lang.Object)">nodeVisited</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> node)</code> |
| <div class="block">will only be called once per node</div> |
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| <h4>nodeSeen</h4> |
| <pre>void nodeSeen(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> node)</pre> |
| <div class="block">May not be called. The meaning of this method is dependent |
| on the traversal being used. See each appropriate graph |
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| <div class="block">will only be called once per node</div> |
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| <pre>void edgeVisited(<a href="../../../../../org/apache/openjpa/lib/graph/Edge.html" title="class in org.apache.openjpa.lib.graph">Edge</a> edge)</pre> |
| <div class="block">may visit the node twice (both sides)</div> |
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