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 / feature / impl / RecentUsedsAttributesImpl.java @ 44340
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1 | 44262 | jjdelcerro | package org.gvsig.fmap.dal.feature.impl; |
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2 | 44259 | jjdelcerro | |
3 | import java.util.ArrayList; |
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4 | import java.util.Collection; |
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5 | import java.util.Collections; |
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6 | import java.util.HashMap; |
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7 | import java.util.List; |
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8 | import java.util.Map; |
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9 | import org.apache.commons.collections4.queue.CircularFifoQueue; |
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10 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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11 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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12 | import org.gvsig.fmap.dal.feature.FeatureType; |
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13 | |||
14 | /**
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15 | *
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16 | * @author jjdelcerro
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17 | */
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18 | public class RecentUsedsAttributesImpl { |
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19 | |||
20 | private final Map<String,CircularFifoQueue<String>> recentsForStore; |
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21 | |||
22 | public RecentUsedsAttributesImpl() {
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23 | this.recentsForStore = new HashMap<>(); |
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24 | } |
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25 | |||
26 | public Collection<String> getNames(FeatureType featureType) { |
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27 | FeatureStore store = featureType.getStore(); |
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28 | 44340 | jjdelcerro | if( store == null ) { |
29 | return Collections.EMPTY_LIST; |
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30 | } |
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31 | 44259 | jjdelcerro | CircularFifoQueue<String> recents = this.recentsForStore.get(store.getFullName()); |
32 | if( recents==null ) { |
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33 | return Collections.EMPTY_LIST; |
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34 | } |
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35 | return recents;
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36 | } |
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37 | |||
38 | 44262 | jjdelcerro | public List<FeatureAttributeDescriptor> getAttributes(FeatureType featureType) { |
39 | 44259 | jjdelcerro | List<FeatureAttributeDescriptor> r = new ArrayList<>(); |
40 | for (String name : this.getNames(featureType)) { |
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41 | r.add(featureType.getAttributeDescriptor(name)); |
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42 | } |
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43 | return r;
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44 | } |
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45 | |||
46 | public void add(FeatureAttributeDescriptor attribute) { |
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47 | this.add(attribute.getFeatureType(), attribute.getName());
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48 | } |
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49 | |||
50 | public void add(FeatureType featureType, FeatureAttributeDescriptor attribute) { |
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51 | this.add(featureType, attribute.getName());
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52 | } |
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53 | |||
54 | public void add(FeatureType featureType, String name) { |
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55 | String storeFullName = featureType.getStore().getFullName();
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56 | CircularFifoQueue<String> recents = this.recentsForStore.get(storeFullName); |
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57 | if( recents==null ) { |
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58 | recents = new CircularFifoQueue(this.getMaxSize()); |
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59 | this.recentsForStore.put(storeFullName, recents);
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60 | } |
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61 | recents.remove(name); |
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62 | recents.add(name); |
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63 | } |
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64 | |||
65 | public int getMaxSize() { |
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66 | return 6; |
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67 | } |
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68 | } |