Add multi-graph example generator for testing purposes

modules/GeneratorPlugin/src/main/java/org/gephi/io/generator/plugin/MultiGraph.java

+/*
+ Copyright 2008-2010 Gephi
+ Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
+ Website : http://www.gephi.org
+
+ This file is part of Gephi.
+
+ DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+
+ Copyright 2011 Gephi Consortium. All rights reserved.
+
+ The contents of this file are subject to the terms of either the GNU
+ General Public License Version 3 only ("GPL") or the Common
+ Development and Distribution License("CDDL") (collectively, the
+ "License"). You may not use this file except in compliance with the
+ License. You can obtain a copy of the License at
+ http://gephi.org/about/legal/license-notice/
+ or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
+ specific language governing permissions and limitations under the
+ License.  When distributing the software, include this License Header
+ Notice in each file and include the License files at
+ /cddl-1.0.txt and /gpl-3.0.txt. If applicable, add the following below the
+ License Header, with the fields enclosed by brackets [] replaced by
+ your own identifying information:
+ "Portions Copyrighted [year] [name of copyright owner]"
+
+ If you wish your version of this file to be governed by only the CDDL
+ or only the GPL Version 3, indicate your decision by adding
+ "[Contributor] elects to include this software in this distribution
+ under the [CDDL or GPL Version 3] license." If you do not indicate a
+ single choice of license, a recipient has the option to distribute
+ your version of this file under either the CDDL, the GPL Version 3 or
+ to extend the choice of license to its licensees as provided above.
+ However, if you add GPL Version 3 code and therefore, elected the GPL
+ Version 3 license, then the option applies only if the new code is
+ made subject to such option by the copyright holder.
+
+ Contributor(s):
+
+ Portions Copyrighted 2011 Gephi Consortium.
+ */
+package org.gephi.io.generator.plugin;
+
+import java.util.Random;
+import org.gephi.io.generator.spi.Generator;
+import org.gephi.io.generator.spi.GeneratorUI;
+import org.gephi.io.importer.api.ContainerLoader;
+import org.gephi.io.importer.api.EdgeDraft;
+import org.gephi.io.importer.api.NodeDraft;
+import org.gephi.utils.progress.ProgressTicket;
+import org.openide.util.NbBundle;
+import org.openide.util.lookup.ServiceProvider;
+
+/**
+ *
+ * @author Mathieu Bastian
+ */
+@ServiceProvider(service = Generator.class)
+public class MultiGraph implements Generator {
+
+    protected int numberOfNodes = 50;
+    protected double wiringProbability = 0.05;
+    protected int numberOfEdgeTypes = 3;
+
+    @Override
+    public void generate(ContainerLoader container) {
+
+        NodeDraft[] nodeArray = new NodeDraft[numberOfNodes];
+        for (int i = 0; i < numberOfNodes; i++) {
+            NodeDraft nodeDraft = container.factory().newNodeDraft("n" + i);
+            container.addNode(nodeDraft);
+
+            nodeArray[i] = nodeDraft;
+        }
+
+        String[] edgeTypes = new String[numberOfEdgeTypes];
+        for (int i = 0; i < edgeTypes.length; i++) {
+            edgeTypes[i] = "Type " + i;
+        }
+
+        Random random = new Random();
+
+        if (wiringProbability > 0) {
+            for (int i = 0; i < numberOfNodes - 1; i++) {
+                NodeDraft node1 = nodeArray[i];
+                for (int j = i + 1; j < numberOfNodes; j++) {
+                    NodeDraft node2 = nodeArray[j];
+                    if (random.nextDouble() < wiringProbability) {
+                        EdgeDraft edgeDraft = container.factory().newEdgeDraft();
+                        edgeDraft.setSource(node1);
+                        edgeDraft.setTarget(node2);
+                        edgeDraft.setType(edgeTypes[random.nextInt(edgeTypes.length)]);
+                        edgeDraft.setLabel((String)edgeDraft.getType());
+
+                        container.addEdge(edgeDraft);
+                    }
+                }
+            }
+        }
+    }
+
+    @Override
+    public String getName() {
+        return NbBundle.getMessage(MultiGraph.class, "MultiGraph.name");
+    }
+
+    @Override
+    public GeneratorUI getUI() {
+        return null;
+    }
+
+    @Override
+    public boolean cancel() {
+        return true;
+    }
+
+    @Override
+    public void setProgressTicket(ProgressTicket progressTicket) {
+    }
+}

modules/GeneratorPlugin/src/main/resources/org/gephi/io/generator/plugin/Bundle.properties

@@ -5,3 +5,4 @@ OpenIDE-Module-Name=Generator Plugin
 OpenIDE-Module-Short-Description=Standard generators implementations
 RandomGraph.name=Random Graph
 DynamicGraph.name=Dynamic Graph Example
+MultiGraph.name=Multi-Graph Example
\ No newline at end of file