[927] | 1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany
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| 2 | //
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License");
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| 4 | // you may not use this file except in compliance with the License.
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| 5 | // You may obtain a copy of the License at
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| 6 | //
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| 7 | // http://www.apache.org/licenses/LICENSE-2.0
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| 8 | //
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| 9 | // Unless required by applicable law or agreed to in writing, software
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS,
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 12 | // See the License for the specific language governing permissions and
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| 13 | // limitations under the License.
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| 14 |
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[922] | 15 | package de.ugoe.cs.autoquest.commands.usage;
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[1] | 16 |
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| 17 | import java.awt.Dimension;
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| 18 | import java.awt.Rectangle;
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| 19 | import java.awt.Shape;
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| 20 | import java.util.List;
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| 21 |
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| 22 | import javax.swing.JFrame;
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| 23 |
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| 24 | import org.apache.commons.collections15.Transformer;
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| 25 |
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[922] | 26 | import de.ugoe.cs.autoquest.CommandHelpers;
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| 27 | import de.ugoe.cs.autoquest.usageprofiles.FirstOrderMarkovModel;
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| 28 | import de.ugoe.cs.autoquest.usageprofiles.FirstOrderMarkovModel.MarkovEdge;
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[1] | 29 | import de.ugoe.cs.util.console.Command;
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[667] | 30 | import de.ugoe.cs.util.console.GlobalDataContainer;
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[664] | 31 | import edu.uci.ics.jung.algorithms.layout.ISOMLayout;
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[1] | 32 | import edu.uci.ics.jung.algorithms.layout.Layout;
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| 33 | import edu.uci.ics.jung.graph.Graph;
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| 34 | import edu.uci.ics.jung.visualization.BasicVisualizationServer;
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| 35 | import edu.uci.ics.jung.visualization.decorators.ToStringLabeller;
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| 36 | import edu.uci.ics.jung.visualization.renderers.Renderer.VertexLabel.Position;
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| 37 |
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[171] | 38 | /**
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| 39 | * <p>
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| 40 | * Command that visualizes first-order Markov models.
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| 41 | * </p>
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| 42 | *
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| 43 | * @author Steffen Herbold
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| 44 | * @version 1.0
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| 45 | */
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[1] | 46 | public class CMDshowMarkovModel implements Command {
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| 47 |
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[171] | 48 | /*
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| 49 | * (non-Javadoc)
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| 50 | *
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| 51 | * @see de.ugoe.cs.util.console.Command#help()
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| 52 | */
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[1] | 53 | @Override
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[664] | 54 | public String help() {
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[726] | 55 | return "showMarkovModel <modelname> {<showNodeNames>}";
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[1] | 56 | }
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| 57 |
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[171] | 58 | /*
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| 59 | * (non-Javadoc)
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| 60 | *
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| 61 | * @see de.ugoe.cs.util.console.Command#run(java.util.List)
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| 62 | */
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[1] | 63 | @Override
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| 64 | public void run(List<Object> parameters) {
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| 65 | String modelname;
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| 66 | boolean showNodeNames = false;
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| 67 | try {
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| 68 | modelname = (String) parameters.get(0);
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[171] | 69 | if (parameters.size() == 2) {
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| 70 | showNodeNames = Boolean
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| 71 | .parseBoolean((String) parameters.get(1));
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[1] | 72 | }
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| 73 | } catch (Exception e) {
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[766] | 74 | throw new IllegalArgumentException();
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[1] | 75 | }
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[171] | 76 |
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| 77 | Object dataObject = GlobalDataContainer.getInstance()
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| 78 | .getData(modelname);
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| 79 | if (dataObject == null) {
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[240] | 80 | CommandHelpers.objectNotFoundMessage(modelname);
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[209] | 81 | return;
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| 82 | }
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| 83 | if (!(dataObject instanceof FirstOrderMarkovModel)) {
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[240] | 84 | CommandHelpers.objectNotType(modelname, "FirstOrderMarkovModel");
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[209] | 85 | return;
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| 86 | }
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| 87 | FirstOrderMarkovModel mm = (FirstOrderMarkovModel) dataObject;
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[171] | 88 |
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[209] | 89 | Graph<String, MarkovEdge> graph = mm.getGraph();
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| 90 | Layout<String, MarkovEdge> layout = new ISOMLayout<String, MarkovEdge>(
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| 91 | graph);
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| 92 | layout.setSize(new Dimension(1000, 800)); // sets the initial size
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| 93 | // of the space
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| 94 | // The BasicVisualizationServer<V,E> is parameterized by the edge
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| 95 | // types
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| 96 | BasicVisualizationServer<String, MarkovEdge> vv = new BasicVisualizationServer<String, MarkovEdge>(
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| 97 | layout);
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| 98 | vv.setPreferredSize(new Dimension(1100, 850)); // Sets the viewing
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| 99 | // area size
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[1] | 100 |
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[209] | 101 | if (showNodeNames) {
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| 102 | final Rectangle rect = new Rectangle(240, 20);
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[171] | 103 |
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[209] | 104 | Transformer<String, Shape> vertexShapeTransformer = new Transformer<String, Shape>() {
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| 105 | public Shape transform(String s) {
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| 106 | return rect;
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| 107 | }
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| 108 | };
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| 109 | vv.getRenderer().getVertexLabelRenderer()
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| 110 | .setPosition(Position.CNTR);
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| 111 | vv.getRenderContext().setVertexShapeTransformer(
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| 112 | vertexShapeTransformer);
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| 113 | vv.getRenderContext().setVertexLabelTransformer(
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| 114 | new ToStringLabeller<String>());
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| 115 | }
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[171] | 116 |
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[209] | 117 | vv.getRenderContext().setEdgeLabelTransformer(
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| 118 | new ToStringLabeller<MarkovEdge>());
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[171] | 119 |
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[209] | 120 | JFrame frame = new JFrame("Markov Model");
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| 121 | frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
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| 122 | frame.getContentPane().add(vv);
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| 123 | frame.pack();
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| 124 | frame.setVisible(true);
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[1] | 125 | }
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| 126 | }
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