Source Code Cross Referenced for SplineVisualizer.java in  » Testing » jakarta-jmeter » org » apache » jmeter » visualizers » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » jakarta jmeter » org.apache.jmeter.visualizers 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         *
009:         *   http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         * 
017:         */
018:
019:        package org.apache.jmeter.visualizers;
020:
021:        import java.awt.BorderLayout;
022:        import java.awt.Color;
023:        import java.awt.Dimension;
024:        import java.awt.Graphics;
025:        import java.awt.GridLayout;
026:        import java.awt.Image;
027:
028:        import javax.swing.BorderFactory;
029:        import javax.swing.JComponent;
030:        import javax.swing.JLabel;
031:        import javax.swing.JPanel;
032:        import javax.swing.border.Border;
033:        import javax.swing.border.EmptyBorder;
034:
035:        import org.apache.jmeter.samplers.Clearable;
036:        import org.apache.jmeter.samplers.SampleResult;
037:        import org.apache.jmeter.util.JMeterUtils;
038:        import org.apache.jmeter.visualizers.gui.AbstractVisualizer;
039:        import org.apache.jorphan.gui.layout.VerticalLayout;
040:
041:        /**
042:         * This class implements a statistical analyser that takes samples to process a
043:         * Spline interpolated curve. Currently, it tries to look mostly like the
044:         * GraphVisualizer.
045:         * 
046:         */
047:        public class SplineVisualizer extends AbstractVisualizer implements 
048:                ImageVisualizer, GraphListener, Clearable {
049:
050:            private static final String SUFFIX_MS = " ms"; //$NON-NLS-1$
051:
052:            protected final Color BACKGROUND_COLOR = getBackground();
053:
054:            protected final Color MINIMUM_COLOR = new Color(0F, 0.5F, 0F);
055:
056:            protected final Color MAXIMUM_COLOR = new Color(0.9F, 0F, 0F);
057:
058:            protected final Color AVERAGE_COLOR = new Color(0F, 0F, 0.75F);
059:
060:            protected final Color INCOMING_COLOR = Color.black;
061:
062:            protected final int NUMBERS_TO_DISPLAY = 4;
063:
064:            protected final boolean FILL_UP_WITH_ZEROS = false;
065:
066:            transient private SplineGraph graph = null;
067:
068:            private JLabel minimumLabel = null;
069:
070:            private JLabel maximumLabel = null;
071:
072:            private JLabel averageLabel = null;
073:
074:            private JLabel incomingLabel = null;
075:
076:            private JLabel minimumNumberLabel = null;
077:
078:            private JLabel maximumNumberLabel = null;
079:
080:            private JLabel averageNumberLabel = null;
081:
082:            private JLabel incomingNumberLabel = null;
083:
084:            transient private SplineModel model;
085:
086:            public SplineVisualizer() {
087:                super ();
088:                model = new SplineModel();
089:                graph = new SplineGraph();
090:                this .model.setListener(this );
091:                setGUI();
092:            }
093:
094:            public void add(SampleResult res) {
095:                model.add(res);
096:            }
097:
098:            public String getLabelResource() {
099:                return "spline_visualizer_title"; //$NON-NLS-1$
100:            }
101:
102:            public void updateGui(Sample s) {
103:                updateGui();
104:            }
105:
106:            public void clearData() {
107:                model.clearData();
108:            }
109:
110:            private void setGUI() {
111:                Color backColor = BACKGROUND_COLOR;
112:
113:                this .setBackground(backColor);
114:
115:                this .setLayout(new BorderLayout());
116:
117:                // MAIN PANEL
118:                JPanel mainPanel = new JPanel();
119:                Border margin = new EmptyBorder(10, 10, 5, 10);
120:
121:                mainPanel.setBorder(margin);
122:                mainPanel.setLayout(new VerticalLayout(5, VerticalLayout.BOTH));
123:
124:                // NAME
125:                mainPanel.add(makeTitlePanel());
126:
127:                maximumLabel = new JLabel(JMeterUtils
128:                        .getResString("spline_visualizer_maximum")); //$NON-NLS-1$
129:                maximumLabel.setForeground(MAXIMUM_COLOR);
130:                maximumLabel.setBackground(backColor);
131:
132:                averageLabel = new JLabel(JMeterUtils
133:                        .getResString("spline_visualizer_average")); //$NON-NLS-1$
134:                averageLabel.setForeground(AVERAGE_COLOR);
135:                averageLabel.setBackground(backColor);
136:
137:                incomingLabel = new JLabel(JMeterUtils
138:                        .getResString("spline_visualizer_incoming")); //$NON-NLS-1$
139:                incomingLabel.setForeground(INCOMING_COLOR);
140:                incomingLabel.setBackground(backColor);
141:
142:                minimumLabel = new JLabel(JMeterUtils
143:                        .getResString("spline_visualizer_minimum")); //$NON-NLS-1$
144:                minimumLabel.setForeground(MINIMUM_COLOR);
145:                minimumLabel.setBackground(backColor);
146:
147:                maximumNumberLabel = new JLabel("0 ms"); //$NON-NLS-1$
148:                maximumNumberLabel.setHorizontalAlignment(JLabel.RIGHT);
149:                maximumNumberLabel.setForeground(MAXIMUM_COLOR);
150:                maximumNumberLabel.setBackground(backColor);
151:
152:                averageNumberLabel = new JLabel("0 ms"); //$NON-NLS-1$
153:                averageNumberLabel.setHorizontalAlignment(JLabel.RIGHT);
154:                averageNumberLabel.setForeground(AVERAGE_COLOR);
155:                averageNumberLabel.setBackground(backColor);
156:
157:                incomingNumberLabel = new JLabel("0 ms"); //$NON-NLS-1$
158:                incomingNumberLabel.setHorizontalAlignment(JLabel.RIGHT);
159:                incomingNumberLabel.setForeground(INCOMING_COLOR);
160:                incomingNumberLabel.setBackground(backColor);
161:
162:                minimumNumberLabel = new JLabel("0 ms"); //$NON-NLS-1$
163:                minimumNumberLabel.setHorizontalAlignment(JLabel.RIGHT);
164:                minimumNumberLabel.setForeground(MINIMUM_COLOR);
165:                minimumNumberLabel.setBackground(backColor);
166:
167:                // description Panel
168:                JPanel labelPanel = new JPanel();
169:
170:                labelPanel.setLayout(new GridLayout(0, 1));
171:                labelPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0,
172:                        20));
173:                labelPanel.setBackground(backColor);
174:                labelPanel.add(maximumLabel);
175:                labelPanel.add(averageLabel);
176:                if (model.SHOW_INCOMING_SAMPLES) {
177:                    labelPanel.add(incomingLabel);
178:                }
179:                labelPanel.add(minimumLabel);
180:                // number Panel
181:                JPanel numberPanel = new JPanel();
182:
183:                numberPanel.setLayout(new GridLayout(0, 1));
184:                numberPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0,
185:                        20));
186:                numberPanel.setBackground(backColor);
187:                numberPanel.add(maximumNumberLabel);
188:                numberPanel.add(averageNumberLabel);
189:                if (model.SHOW_INCOMING_SAMPLES) {
190:                    numberPanel.add(incomingNumberLabel);
191:                }
192:                numberPanel.add(minimumNumberLabel);
193:                // information display Panel
194:                JPanel infoPanel = new JPanel();
195:
196:                infoPanel.setLayout(new BorderLayout());
197:                infoPanel.add(labelPanel, BorderLayout.CENTER);
198:                infoPanel.add(numberPanel, BorderLayout.EAST);
199:
200:                this .add(mainPanel, BorderLayout.NORTH);
201:                this .add(infoPanel, BorderLayout.WEST);
202:                this .add(graph, BorderLayout.CENTER);
203:                // everyone is free to swing on its side :)
204:                // add(infoPanel, BorderLayout.EAST);
205:            }
206:
207:            public void updateGui() {
208:                repaint();
209:                synchronized (this ) {
210:                    setMinimum(model.getMinimum());
211:                    setMaximum(model.getMaximum());
212:                    setAverage(model.getAverage());
213:                    setIncoming(model.getCurrent());
214:                }
215:            }
216:
217:            public String toString() {
218:                return "Show the samples analysis as a Spline curve";
219:            }
220:
221:            private String formatMeasureToDisplay(long measure) {
222:                String numberString = String.valueOf(measure);
223:
224:                if (FILL_UP_WITH_ZEROS) {
225:                    for (int i = numberString.length(); i < NUMBERS_TO_DISPLAY; i++) {
226:                        numberString = "0" + numberString; //$NON-NLS-1$
227:                    }
228:                }
229:                return numberString;
230:            }
231:
232:            private void setMinimum(long n) {
233:                String text = this .formatMeasureToDisplay(n) + SUFFIX_MS;
234:
235:                this .minimumNumberLabel.setText(text);
236:            }
237:
238:            private void setMaximum(long n) {
239:                String text = this .formatMeasureToDisplay(n) + SUFFIX_MS;
240:
241:                this .maximumNumberLabel.setText(text);
242:            }
243:
244:            private void setAverage(long n) {
245:                String text = this .formatMeasureToDisplay(n) + SUFFIX_MS;
246:
247:                this .averageNumberLabel.setText(text);
248:            }
249:
250:            private void setIncoming(long n) {
251:                String text = this .formatMeasureToDisplay(n) + SUFFIX_MS;
252:
253:                this .incomingNumberLabel.setText(text);
254:            }
255:
256:            public JPanel getControlPanel() {// TODO - is this needed?
257:                return this ;
258:            }
259:
260:            public Image getImage() {
261:                Image result = graph.createImage(graph.getWidth(), graph
262:                        .getHeight());
263:
264:                graph.paintComponent(result.getGraphics());
265:
266:                return result;
267:            }
268:
269:            /**
270:             * Component showing a Spline curve.
271:             * 
272:             */
273:            public class SplineGraph extends JComponent {
274:                public boolean reinterpolated = false;
275:
276:                protected final Color WAITING_COLOR = Color.darkGray;
277:
278:                protected int lastWidth = -1;
279:
280:                protected int lastHeight = -1;
281:
282:                protected int[] plot = null;
283:
284:                public SplineGraph() {
285:                }
286:
287:                /**
288:                 * Clear the Spline graph and get ready for the next wave.
289:                 */
290:                public void clear() {
291:                    lastWidth = -1;
292:                    lastHeight = -1;
293:                    plot = null;
294:                    this .repaint();
295:                }
296:
297:                public void paintComponent(Graphics g) {
298:                    super .paintComponent(g);
299:
300:                    Dimension dimension = this .getSize();
301:                    int width = dimension.width;
302:                    int height = dimension.height;
303:
304:                    if (model.getDataCurve() == null) {
305:                        g.setColor(this .getBackground());
306:                        g.fillRect(0, 0, width, height);
307:                        g.setColor(WAITING_COLOR);
308:                        g
309:                                .drawString(
310:                                        JMeterUtils
311:                                                .getResString("spline_visualizer_waitingmessage"), //$NON-NLS-1$
312:                                        (width - 120) / 2, height
313:                                                - (height - 12) / 2);
314:                        return;
315:                    }
316:
317:                    // boolean resized = true;
318:
319:                    if (width == lastWidth && height == lastHeight) {
320:                        // dimension of the SplineGraph is the same
321:                        // resized = false;
322:                    } else {
323:                        // dimension changed
324:                        // resized = true;
325:                        lastWidth = width;
326:                        lastHeight = height;
327:                    }
328:
329:                    this .plot = model.getDataCurve().getPlots(width, height); // rounds!
330:
331:                    int n = plot.length;
332:                    int curY = plot[0];
333:
334:                    for (int i = 1; i < n; i++) {
335:                        g.setColor(Color.black);
336:                        g.drawLine(i - 1, height - curY - 1, i, height
337:                                - plot[i] - 1);
338:                        curY = plot[i];
339:                    }
340:                }
341:            }
342:        }
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