Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/raster/DemuxRingsHandler.java @ 1065:cf421645a2d3

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Made cache statistics available as MBeans (eg in JConsole). gnv-artifacts/trunk@1157 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 04 Jun 2010 08:47:52 +0000
parents feae2f9d6c6f
children f953c9a559d8
rev   line source
465
f7038820df2e Added support to trace rasters to JTS multi polygons and multi line strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.raster;
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2
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b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
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3 import de.intevation.gnv.raster.Vectorizer.Edge;
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4 import de.intevation.gnv.raster.Vectorizer.RingsHandler;
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5
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6 import java.util.ArrayList;
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7 import java.util.List;
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8
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9 /**
802
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10 * Ring Handler that demultiplexes to a list of other ring handlers.
4abe172be970 Finished Javadoc of the raster package.
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11 * Handy if you want to pipe the polygons and line strings produced
4abe172be970 Finished Javadoc of the raster package.
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12 * by the Vectorize to more than one handler at once.
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13 *
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c4156275c1e1 Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
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14 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
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15 */
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16 public class DemuxRingsHandler
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17 implements RingsHandler
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18 {
802
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19 /**
4abe172be970 Finished Javadoc of the raster package.
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20 * The list of internal ring handlers.
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21 */
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22 protected ArrayList<RingsHandler> handlers;
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23
802
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24 /**
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25 * Default constructor.
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26 */
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27 public DemuxRingsHandler() {
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28 handlers = new ArrayList<RingsHandler>();
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29 }
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30
802
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31 /**
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32 * Add a ring handler to the list of handlers.
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33 * @param handler The handler to add to the internal list.
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34 */
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35 public void addHandler(RingsHandler handler) {
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36 handlers.add(handler);
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37 }
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38
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39 public void handleRings(
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40 List<Edge> rings,
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41 int value,
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42 int width,
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43 int height
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44 ) {
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45 for (RingsHandler handler: handlers) {
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46 handler.handleRings(rings, value, width, height);
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47 }
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48 }
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49
802
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50 /**
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51 * Empties the internal list of ring handlers.
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52 */
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53 public void clear() {
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54 handlers.clear();
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55 }
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56 }
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57 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org