Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FastCrossSectionLineFactory.java @ 2119:dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
flys-artifacts/trunk@3689 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 16 Jan 2012 15:51:46 +0000 |
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children | d626ae185305 |
rev | line source |
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2119
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
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1 package de.intevation.flys.artifacts.model; |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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2 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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3 import de.intevation.flys.artifacts.cache.CacheFactory; |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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4 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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5 import de.intevation.flys.model.CrossSection; |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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6 import de.intevation.flys.model.CrossSectionLine; |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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7 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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8 import net.sf.ehcache.Cache; |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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9 import net.sf.ehcache.Element; |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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10 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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11 import java.util.List; |
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12 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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13 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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14 public class FastCrossSectionLineFactory |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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15 { |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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16 public static final String CACHE_NAME = "fast-cross-section-lines"; |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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17 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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18 private FastCrossSectionLineFactory() { |
dc28ea60b53d
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19 } |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
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20 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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21 public static FastCrossSectionLine getCrossSectionLine( |
dc28ea60b53d
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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22 CrossSection cs, |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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23 double km |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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24 ) { |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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25 Cache cache = CacheFactory.getCache(CACHE_NAME); |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
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parents:
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26 |
dc28ea60b53d
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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27 if (cache == null) { |
dc28ea60b53d
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28 List<CrossSectionLine> lines = cs.getLines(km, km); |
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29 return lines.isEmpty() |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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30 ? null |
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Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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31 : new FastCrossSectionLine(lines.get(0)); |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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32 } |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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33 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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34 String cacheKey = FastCrossSectionChunk.createHashKey(cs, km); |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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35 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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36 Element element = cache.get(cacheKey); |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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37 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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38 FastCrossSectionChunk fcsc; |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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39 |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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40 if (element != null) { |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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41 fcsc = (FastCrossSectionChunk)element.getValue(); |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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42 } |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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43 else { |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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44 fcsc = new FastCrossSectionChunk(cs, km); |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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45 element = new Element(cacheKey, fcsc); |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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46 cache.put(element); |
dc28ea60b53d
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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47 } |
dc28ea60b53d
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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48 |
dc28ea60b53d
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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49 return fcsc.getCrossSectionLine(km); |
dc28ea60b53d
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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50 } |
dc28ea60b53d
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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51 } |
dc28ea60b53d
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
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52 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |