Revision 44376 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/TableIsEmptyOperation.java

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TableIsEmptyOperation.java
7 7 
import org.apache.commons.lang3.StringUtils;
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import org.gvsig.expressionevaluator.ExpressionBuilder;
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import org.gvsig.fmap.dal.exception.DataException;
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import org.gvsig.fmap.dal.feature.FeatureType;
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import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper;
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import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase;
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException;
......
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    private final TableReference table;
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    private final String baseFilter;
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    private final String filter;
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    private final FeatureType featureType;
23 25 

  		




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    public TableIsEmptyOperation(


  		




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            JDBCHelper helper


  		




  26
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        ) {


  		




  27
  
  
    
        this(helper, null, null, null);


  		




  
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        this(helper, null, null, null, null);


  		




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    }


  		




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    public TableIsEmptyOperation(


  		




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            JDBCHelper helper,


  		




  
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            FeatureType featureType,


  		




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            TableReference table,


  		




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            String baseFilter,


  		




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            String filter


  		




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        ) {


  		




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        super(helper);


  		




  
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        this.featureType = featureType;


  		




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        this.table = table;


  		




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        this.baseFilter = baseFilter;


  		




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        this.filter = filter;


  		




  ......




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    @Override


  		




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    public final Object perform(Connection conn) throws DataException {


  		




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        return this.tableIsEmpty(conn, table, baseFilter, filter);


  		




  
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        return this.tableIsEmpty(conn, featureType, table, baseFilter, filter);


  		




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    }


  		




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    public boolean tableIsEmpty(Connection conn,


  		




  
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            FeatureType featureType,


  		




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            TableReference table,


  		




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            String baseFilter,


  		




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            String filter


  		




  ......




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            sqlbuilder.select().where().and(expbuilder.toValue(filter));


  		




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        }


  		




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        sqlbuilder.select().limit(1);


  		




  
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        this.helper.replaceForeingValueFunction(sqlbuilder, featureType);


  		




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        sqlbuilder.setProperties(


  		




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                ExpressionBuilder.Variable.class, 


  		




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                PROP_TABLE, table


  		












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