svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.jdbc / src / main / java / org / gvsig / fmap / dal / store / jdbc2 / spi / operations / AppendOperation.java @ 43020
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1 | 43020 | jjdelcerro | |
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2 | package org.gvsig.fmap.dal.store.jdbc2.spi.operations; |
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3 | |||
4 | import java.sql.Connection; |
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5 | import java.sql.PreparedStatement; |
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6 | import java.sql.SQLException; |
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7 | import org.gvsig.fmap.dal.DataTypes; |
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8 | import org.gvsig.fmap.dal.exception.DataException; |
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9 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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10 | import org.gvsig.fmap.dal.feature.FeatureType; |
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11 | import org.gvsig.fmap.dal.feature.exception.AlreadyEditingException; |
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12 | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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13 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecuteSQLException; |
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14 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCPreparingSQLException; |
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15 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCTransactionRollbackException; |
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16 | import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
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17 | import org.gvsig.fmap.dal.store.jdbc2.JDBCUtils; |
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18 | import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase; |
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19 | |||
20 | |||
21 | public class AppendOperation { |
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22 | |||
23 | protected Connection connection = null; |
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24 | protected final JDBCHelper helper; |
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25 | protected final String database; |
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26 | protected final String schema; |
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27 | protected final String table; |
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28 | protected final FeatureType type; |
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29 | |||
30 | protected JDBCSQLBuilderBase sqlbuilder = null; |
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31 | protected PreparedStatement preparedStatement; |
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32 | protected String sql; |
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33 | |||
34 | public AppendOperation(
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35 | JDBCHelper helper, |
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36 | String database,
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37 | String schema,
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38 | String table,
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39 | FeatureType type |
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40 | ) { |
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41 | this.helper = helper;
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42 | this.database = database;
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43 | this.schema = schema;
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44 | this.table = table;
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45 | this.type = type;
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46 | } |
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47 | |||
48 | public void begin() throws DataException { |
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49 | if (this.sqlbuilder != null) { |
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50 | throw new AlreadyEditingException(this.helper.getSourceId()); |
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51 | } |
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52 | |||
53 | try {
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54 | this.connection = this.helper.getConnection(); |
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55 | |||
56 | this.sqlbuilder = this.helper.createSQLBuilder(); |
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57 | |||
58 | this.sqlbuilder.insert().table().database(this.database).schema(this.schema).name(this.table); |
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59 | for (FeatureAttributeDescriptor attr : type) {
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60 | if( attr.isAutomatic() ) {
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61 | continue;
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62 | } |
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63 | if (attr.getType() == DataTypes.GEOMETRY) {
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64 | this.sqlbuilder.insert().column().name(attr.getName()).with_value(
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65 | sqlbuilder.parameter(attr.getName()).as_geometry().srs( |
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66 | sqlbuilder.parameter(attr.getSRS()) |
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67 | ) |
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68 | ); |
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69 | } else {
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70 | this.sqlbuilder.insert().column().name(attr.getName()).with_value(
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71 | sqlbuilder.parameter(attr.getName()).as_variable() |
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72 | ); |
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73 | } |
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74 | } |
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75 | |||
76 | PreparedStatement st;
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77 | this.sql = this.sqlbuilder.insert().toString(); |
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78 | this.preparedStatement = this.connection.prepareStatement(sql); |
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79 | |||
80 | } catch (SQLException ex) { |
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81 | throw new JDBCPreparingSQLException(this.sqlbuilder.toString(),ex); |
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82 | } |
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83 | |||
84 | } |
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85 | |||
86 | public void end() { |
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87 | JDBCUtils.closeQuietly(this.connection);
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88 | JDBCUtils.closeQuietly(this.preparedStatement);
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89 | this.connection = null; |
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90 | this.preparedStatement = null; |
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91 | this.sqlbuilder = null; |
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92 | this.sql = null; |
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93 | } |
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94 | |||
95 | public void abort() { |
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96 | this.end();
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97 | } |
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98 | |||
99 | public void append(FeatureProvider feature) throws DataException { |
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100 | try {
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101 | this.connection.setAutoCommit(false); |
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102 | try {
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103 | this.sqlbuilder.setParameters(this.preparedStatement, feature); |
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104 | int n = JDBCUtils.executeUpdate(this.preparedStatement,this.sql); |
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105 | if ( n > 0) { |
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106 | this.connection.commit();
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107 | return;
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108 | } |
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109 | this.connection.rollback();
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110 | } catch(Exception ex) { |
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111 | try {
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112 | this.connection.rollback();
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113 | } catch (Exception e1) { |
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114 | throw new JDBCTransactionRollbackException(e1, ex); |
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115 | } |
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116 | throw new JDBCExecuteSQLException(this.sql,ex); |
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117 | } |
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118 | throw new JDBCExecuteSQLException(this.sql,null); |
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119 | |||
120 | } catch (JDBCExecuteSQLException ex) {
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121 | throw ex;
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122 | } catch (Exception ex) { |
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123 | throw new JDBCExecuteSQLException(this.sql,ex); |
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124 | } |
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125 | } |
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126 | } |