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| <div class="subTitle">org.apache.openjpa.lib.graph</div> |
| <h2 title="Class BreadthFirstWalk" class="title">Class BreadthFirstWalk</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">java.lang.Object</a></li> |
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| <ul class="inheritance"> |
| <li>org.apache.openjpa.lib.graph.BreadthFirstWalk</li> |
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| <pre>public class <span class="typeNameLabel">BreadthFirstWalk</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">Object</a></pre> |
| <div class="block"><p>Performs a breadth-first walk of a given <a href="../../../../../org/apache/openjpa/lib/graph/Graph.html" title="class in org.apache.openjpa.lib.graph"><code>Graph</code></a>, |
| notifying visitors as it sees each node. See the BFS algorithm |
| in the book 'Introduction to Algorithms' by Cormen, Leiserson, and |
| Rivest.</p> |
| <p/> |
| <p>Each <a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html" title="interface in org.apache.openjpa.lib.graph"><code>GraphVisitor</code></a> will be notified when a node |
| is colored black (nodeVisited), edge seen (edgeVisited), |
| and a node is seen for the first time, i.e. colored gray (nodeSeen).</p></div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.0.0</dd> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>Steve Kim</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h3>Constructor Summary</h3> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/lib/graph/BreadthFirstWalk.html#BreadthFirstWalk-org.apache.openjpa.lib.graph.Graph-">BreadthFirstWalk</a></span>(<a href="../../../../../org/apache/openjpa/lib/graph/Graph.html" title="class in org.apache.openjpa.lib.graph">Graph</a> graph)</code> </td> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <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>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/lib/graph/BreadthFirstWalk.html#addGraphVisitor-org.apache.openjpa.lib.graph.GraphVisitor-">addGraphVisitor</a></span>(<a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html" title="interface in org.apache.openjpa.lib.graph">GraphVisitor</a> visitor)</code> |
| <div class="block">add a <a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html" title="interface in org.apache.openjpa.lib.graph"><code>GraphVisitor</code></a> to be notified during breadth first search.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/lib/graph/BreadthFirstWalk.html#edgeVisited-org.apache.openjpa.lib.graph.Edge-">edgeVisited</a></span>(<a href="../../../../../org/apache/openjpa/lib/graph/Edge.html" title="class in org.apache.openjpa.lib.graph">Edge</a> edge)</code> |
| <div class="block">An edge is seen.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/lib/graph/BreadthFirstWalk.html#enqueue-java.lang.Object-org.apache.openjpa.lib.graph.NodeInfo-">enqueue</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> node, |
| org.apache.openjpa.lib.graph.NodeInfo info)</code> |
| <div class="block">Push the given node onto the queue to be processed.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/lib/graph/BreadthFirstWalk.html#removeGraphVisitor-org.apache.openjpa.lib.graph.GraphVisitor-">removeGraphVisitor</a></span>(<a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html" title="interface in org.apache.openjpa.lib.graph">GraphVisitor</a> visitor)</code> |
| <div class="block">remove a given <a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html" title="interface in org.apache.openjpa.lib.graph"><code>GraphVisitor</code></a> from the listener set.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/lib/graph/BreadthFirstWalk.html#visit-java.lang.Object-org.apache.openjpa.lib.graph.NodeInfo-">visit</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> node, |
| org.apache.openjpa.lib.graph.NodeInfo info)</code> |
| <div class="block">Visit the node.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/lib/graph/BreadthFirstWalk.html#walk--">walk</a></span>()</code> |
| <div class="block">Begins the breadth first traversal.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
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| <!-- --> |
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| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <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#toString--" title="class or interface in java.lang">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">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> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="BreadthFirstWalk-org.apache.openjpa.lib.graph.Graph-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>BreadthFirstWalk</h4> |
| <pre>public BreadthFirstWalk(<a href="../../../../../org/apache/openjpa/lib/graph/Graph.html" title="class in org.apache.openjpa.lib.graph">Graph</a> graph)</pre> |
| </li> |
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| <h4>walk</h4> |
| <pre>public void walk()</pre> |
| <div class="block">Begins the breadth first traversal.</div> |
| </li> |
| </ul> |
| <a name="enqueue-java.lang.Object-org.apache.openjpa.lib.graph.NodeInfo-"> |
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| <h4>enqueue</h4> |
| <pre>protected void enqueue(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> node, |
| org.apache.openjpa.lib.graph.NodeInfo info)</pre> |
| <div class="block">Push the given node onto the queue to be processed. |
| Notify visitors.</div> |
| </li> |
| </ul> |
| <a name="visit-java.lang.Object-org.apache.openjpa.lib.graph.NodeInfo-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>visit</h4> |
| <pre>protected void visit(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> node, |
| org.apache.openjpa.lib.graph.NodeInfo info)</pre> |
| <div class="block">Visit the node. Mark the node black and notify visitors.</div> |
| </li> |
| </ul> |
| <a name="edgeVisited-org.apache.openjpa.lib.graph.Edge-"> |
| <!-- --> |
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| <h4>edgeVisited</h4> |
| <pre>protected 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">An edge is seen. Notify visitors.</div> |
| </li> |
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| <a name="addGraphVisitor-org.apache.openjpa.lib.graph.GraphVisitor-"> |
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| <h4>addGraphVisitor</h4> |
| <pre>public void addGraphVisitor(<a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html" title="interface in org.apache.openjpa.lib.graph">GraphVisitor</a> visitor)</pre> |
| <div class="block">add a <a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html" title="interface in org.apache.openjpa.lib.graph"><code>GraphVisitor</code></a> to be notified during breadth first search.</div> |
| </li> |
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| <h4>removeGraphVisitor</h4> |
| <pre>public void removeGraphVisitor(<a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html" title="interface in org.apache.openjpa.lib.graph">GraphVisitor</a> visitor)</pre> |
| <div class="block">remove a given <a href="../../../../../org/apache/openjpa/lib/graph/GraphVisitor.html" title="interface in org.apache.openjpa.lib.graph"><code>GraphVisitor</code></a> from the listener set.</div> |
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