svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / impl / dataprofile / ForeingKey.java @ 44259
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1 | 44253 | jjdelcerro | package org.gvsig.fmap.dal.impl.dataprofile; |
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2 | |||
3 | import org.gvsig.expressionevaluator.ExpressionBuilder; |
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4 | import org.gvsig.expressionevaluator.ExpressionUtils; |
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5 | import org.gvsig.fmap.dal.DALLocator; |
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6 | import org.gvsig.fmap.dal.DataManager; |
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7 | 44259 | jjdelcerro | import static org.gvsig.fmap.dal.DataManager.DAL_FOREING_CODE; |
8 | import static org.gvsig.fmap.dal.DataManager.DAL_FOREING_TABLE; |
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9 | 44253 | jjdelcerro | import org.gvsig.fmap.dal.feature.AbstractDataProfile; |
10 | import org.gvsig.fmap.dal.feature.Feature; |
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11 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
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12 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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13 | import org.gvsig.tools.dynobject.Tags; |
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14 | |||
15 | /**
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16 | *
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17 | * @author jjdelcerro
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18 | */
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19 | @SuppressWarnings("UseSpecificCatch") |
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20 | public class ForeingKey extends AbstractDataProfile { |
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21 | |||
22 | public ForeingKey() {
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23 | 44259 | jjdelcerro | super(DataManager.DAL_FOREING_KEY, "Foreing key", Feature.class); |
24 | 44253 | jjdelcerro | } |
25 | |||
26 | @Override
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27 | public Object createData(Object data, Tags tags) { |
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28 | if( data == null ) { |
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29 | return null; |
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30 | } |
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31 | try {
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32 | 44259 | jjdelcerro | String foreingTableName = tags.getString(DAL_FOREING_TABLE,null); |
33 | String foreingCodeName = tags.getString(DAL_FOREING_CODE, null); |
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34 | 44253 | jjdelcerro | |
35 | DataManager dataManager = DALLocator.getDataManager(); |
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36 | FeatureStore store = (FeatureStore) dataManager.getStoresRepository().get(foreingTableName); |
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37 | if( store == null ) { |
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38 | return null; |
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39 | } |
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40 | ExpressionBuilder builder = ExpressionUtils.createExpressionBuilder(); |
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41 | FeatureQuery query = store.createFeatureQuery(); |
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42 | Feature feature = store.findFirst( |
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43 | builder.eq( |
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44 | builder.variable(foreingCodeName), |
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45 | builder.constant(data) |
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46 | ).toString() |
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47 | ); |
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48 | return feature;
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49 | } catch (Exception ex) { |
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50 | return null; |
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51 | } |
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52 | } |
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53 | |||
54 | public static void selfRegister() { |
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55 | DataManager dataManager = DALLocator.getDataManager(); |
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56 | |||
57 | dataManager.registerDataProfile(new ForeingKey());
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58 | } |
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59 | |||
60 | } |