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 / DefaultStoresRepository.java @ 44259
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1 | 44253 | jjdelcerro | package org.gvsig.fmap.dal.impl; |
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2 | |||
3 | import java.util.HashMap; |
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4 | import java.util.Iterator; |
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5 | import java.util.Map; |
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6 | import org.gvsig.fmap.dal.DALLocator; |
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7 | import org.gvsig.fmap.dal.DataStore; |
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8 | import org.gvsig.fmap.dal.DataStoreParameters; |
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9 | import org.gvsig.fmap.dal.StoresRepository; |
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10 | import org.gvsig.tools.util.GetItemByKey; |
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11 | 44259 | jjdelcerro | import org.gvsig.tools.util.UnmodifiableBasicSet; |
12 | import org.gvsig.tools.util.UnmodifiableBasicSetAdapter; |
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13 | 44253 | jjdelcerro | |
14 | /**
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15 | *
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16 | * @author jjdelcerro
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17 | */
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18 | @SuppressWarnings("UseSpecificCatch") |
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19 | public class DefaultStoresRepository implements StoresRepository { |
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20 | |||
21 | private final Map<String,DataStoreParameters> repository; |
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22 | private final Map<String,GetItemByKey<String,DataStoreParameters>> delegateds; |
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23 | |||
24 | public DefaultStoresRepository() {
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25 | this.repository = new HashMap<>(); |
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26 | this.delegateds = new HashMap<>(); |
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27 | } |
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28 | |||
29 | public void add(String name, GetItemByKey<String,DataStoreParameters> repository) { |
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30 | this.delegateds.put(name, repository);
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31 | } |
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32 | |||
33 | @Override
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34 | public void add(String name, DataStoreParameters parameters) { |
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35 | this.repository.put(name, parameters);
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36 | } |
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37 | |||
38 | @Override
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39 | public void remove(String name) { |
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40 | this.repository.remove(name);
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41 | } |
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42 | |||
43 | @Override
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44 | public DataStore get(String name) { |
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45 | DataStoreParameters parameters = this.repository.get(name);
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46 | if( parameters==null ) { |
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47 | for (GetItemByKey<String,DataStoreParameters> theRepository : this.delegateds.values()) { |
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48 | parameters = theRepository.get(name); |
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49 | if( parameters!=null ) { |
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50 | break;
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51 | } |
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52 | } |
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53 | if( parameters==null ) { |
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54 | throw new IllegalArgumentException("Can't exists store '"+name+"' in the repository."); |
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55 | } |
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56 | } |
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57 | DataStore store; |
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58 | try {
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59 | store = DALLocator.getDataManager().openStore(parameters.getDataStoreName(), parameters); |
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60 | } catch (Exception ex) { |
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61 | throw new RuntimeException("Can't open store '"+name+"'.", ex); |
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62 | } |
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63 | return store;
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64 | } |
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65 | |||
66 | @Override
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67 | public boolean isEmpty() { |
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68 | return this.repository.isEmpty(); |
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69 | } |
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70 | |||
71 | @Override
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72 | public boolean containsKey(String name) { |
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73 | if( this.repository.containsKey(name) ) { |
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74 | return true; |
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75 | } |
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76 | for (GetItemByKey<String,DataStoreParameters> theRepository : this.delegateds.values()) { |
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77 | DataStoreParameters parameters = theRepository.get(name); |
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78 | if( parameters!=null ) { |
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79 | return true; |
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80 | } |
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81 | } |
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82 | return false; |
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83 | } |
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84 | |||
85 | @Override
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86 | public Map<String, DataStore> toMap() { |
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87 | throw new UnsupportedOperationException(); |
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88 | } |
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89 | |||
90 | @Override
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91 | public int size() { |
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92 | return this.repository.size(); |
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93 | } |
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94 | |||
95 | @Override
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96 | 44259 | jjdelcerro | public Iterator<DataStore> iterator() { |
97 | final Iterator<String> it = this.keySet().iterator(); |
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98 | return new Iterator<DataStore>() { |
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99 | @Override
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100 | public boolean hasNext() { |
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101 | return it.hasNext();
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102 | } |
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103 | |||
104 | @Override
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105 | public DataStore next() {
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106 | String name = it.next();
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107 | return get(name);
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108 | } |
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109 | }; |
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110 | 44253 | jjdelcerro | } |
111 | |||
112 | 44259 | jjdelcerro | @Override
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113 | public UnmodifiableBasicSet<String> keySet() { |
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114 | return new UnmodifiableBasicSetAdapter(this.repository.keySet()); |
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115 | } |
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116 | |||
117 | 44253 | jjdelcerro | } |