Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/fixings/FixingsFacet.java @ 5727:26dcd924befc
WQKmsFactory: Fix name sql.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Tue, 16 Apr 2013 12:39:12 +0200 |
parents | b195fede1c3b |
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Introduce a new FixingsFacet to add save access to the current Km
Björn Ricks <bjoern.ricks@intevation.de>
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1 package de.intevation.flys.artifacts.model.fixings; |
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2 |
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3 import de.intevation.artifacts.CallContext; |
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4 import de.intevation.flys.artifacts.model.DataFacet; |
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5 import de.intevation.flys.artifacts.states.DefaultState.ComputeType; |
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6 |
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7 /** |
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8 * Facet to access the current Km from the context safely |
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9 * |
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10 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> |
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11 */ |
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12 public class FixingsFacet extends DataFacet { |
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13 |
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Björn Ricks <bjoern.ricks@intevation.de>
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14 public static final Double INVALID_KM = Double.valueOf(-1d); |
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15 public static final String CURRENT_KM = "currentKm"; |
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16 |
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17 public FixingsFacet() { |
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18 } |
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19 |
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20 public FixingsFacet(String name, String description) { |
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21 super(0, name, description, ComputeType.ADVANCE, null, null); |
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22 } |
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23 |
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24 public FixingsFacet( |
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25 int index, |
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26 String name, |
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27 String description, |
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28 ComputeType type, |
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29 String hash, |
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30 String stateId |
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31 ) { |
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32 super(index, name, description, type, hash, stateId); |
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33 } |
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34 |
26774405c884
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Björn Ricks <bjoern.ricks@intevation.de>
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35 /** |
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Björn Ricks <bjoern.ricks@intevation.de>
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36 * Returns the current km from the context. |
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Björn Ricks <bjoern.ricks@intevation.de>
parents:
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37 * If the context is null or doesn't contain a currentKm then a double value of -1 will |
26774405c884
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Björn Ricks <bjoern.ricks@intevation.de>
parents:
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38 * be returned. |
26774405c884
Introduce a new FixingsFacet to add save access to the current Km
Björn Ricks <bjoern.ricks@intevation.de>
parents:
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39 * @param context The CallContext instance |
26774405c884
Introduce a new FixingsFacet to add save access to the current Km
Björn Ricks <bjoern.ricks@intevation.de>
parents:
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40 * @return the current km as double |
26774405c884
Introduce a new FixingsFacet to add save access to the current Km
Björn Ricks <bjoern.ricks@intevation.de>
parents:
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41 */ |
26774405c884
Introduce a new FixingsFacet to add save access to the current Km
Björn Ricks <bjoern.ricks@intevation.de>
parents:
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42 protected double getCurrentKm(CallContext context) { |
26774405c884
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Björn Ricks <bjoern.ricks@intevation.de>
parents:
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43 if (context == null) { |
26774405c884
Introduce a new FixingsFacet to add save access to the current Km
Björn Ricks <bjoern.ricks@intevation.de>
parents:
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44 return INVALID_KM; |
26774405c884
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Björn Ricks <bjoern.ricks@intevation.de>
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45 } |
26774405c884
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Björn Ricks <bjoern.ricks@intevation.de>
parents:
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46 Double dkm = (Double)context.getContextValue(CURRENT_KM); |
26774405c884
Introduce a new FixingsFacet to add save access to the current Km
Björn Ricks <bjoern.ricks@intevation.de>
parents:
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47 if (dkm == null) { |
26774405c884
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Björn Ricks <bjoern.ricks@intevation.de>
parents:
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48 return INVALID_KM; |
26774405c884
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Björn Ricks <bjoern.ricks@intevation.de>
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49 } |
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50 return dkm.doubleValue(); |
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51 } |
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Björn Ricks <bjoern.ricks@intevation.de>
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52 } |