Examples of org.gdbms.engine.values.Value

org.gdbms.engine.values.Value
Datatypes must implement this interface in order to the drivers to return that datatype. The implementation can inherit from AbstractValue or must implement equals and hashCode in the way explained at doEquals method javadoc

    }
    
    private void testEditingDates(String dsName, int mode) throws Exception {
    DataSource d = ds.getDataSource(dsName);


    Value v1 = ValueFactory.createValue(4);
    Value v2 = ValueFactory.createNullValue();
    Value v3 = ValueFactory.createValue("apellido");
    Value v4 = ValueFactory.createValue(Date.valueOf("1998-09-05"));
    Value v5 = ValueFactory.createValue(Time.valueOf("4:30:01"));
    Value v6 = ValueFactory.createValue(Timestamp.valueOf("2005-09-05 4:30:01.666666666"));
    Value v7 = ValueFactory.createValue(3);
    
    d.beginTrans();
    d.insertFilledRow(new Value[] {v1, v2, v3, v4, v5, v6, v7});
    d.setFieldValue(0, 1, ValueFactory.createNullValue());
    d.commitTrans();

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        ddm.addField("nombre", "STRING");
        ds.createDataSource(new FileSourceCreation(new File(path), 
                ddm));
        ds.registerDataSource("persona_created", new FileSourceDefinition(path));
        
        Value v1 = ValueFactory.createValue("Fernando");
        Value v2 = ValueFactory.createValue("Gonz�lez");


        DataSource d = ds.getDataSource("persona_created");


        d.beginTrans();
        d.insertFilledRow(new Value[]{

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    gpx.closePath();
    Geometry g = GeometryFactory.createPolygon2D(gpx);


    d.beginTrans();
    int sfi = d.getSpatialFieldIndex();
    Value gid = ValueFactory.createValue(1);
    for (int i = 0; i < d.getRowCount(); i++) {
      if (((BooleanValue) gid.equals(d.getFieldValue(i, 0))).getValue()) {
        d.setFieldValue(i, sfi, g);
      }
    }
    d.commitTrans();


    d.start();
    Geometry g2 = null;
    for (int i = 0; i < d.getRowCount(); i++) {
      if (((BooleanValue) gid.equals(d.getFieldValue(i, 0))).getValue()) {
        g2 = (Geometry) d.getFieldValue(i, sfi);
      }
    }
    d.stop();

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    for (int i = 0; i < previous.length; i++) {
      for (int j = 0; j < previous[i].length; j++) {
        previous[i][j] = d.getFieldValue(i, j);
      }
    }
    Value nv2 = ValueFactory.createValue(3.0);
    d.insertEmptyRow();
    d.setFieldValue(d.getRowCount() - 1, 0, geom);
    d.setFieldValue(d.getRowCount() - 1, 1, nv2);
    d.commitTrans();

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    GeneralPathX gpx = new GeneralPathX();
    gpx.moveTo(0, 0);
    gpx.lineTo(10, 10);
    gpx.lineTo(10, 15);
    Geometry geom = GeometryFactory.createPolyline2D(gpx);
    Value nv2 = ValueFactory.createValue(3.0);
    int n = 10000;
    for (int i = 0; i < n; i++) {
      d.insertEmptyRow();
      d.setFieldValue(d.getRowCount() - 1, 0, geom);
      d.setFieldValue(d.getRowCount() - 1, 1, nv2);

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public class BoundingBoxTests extends DataSourceTestCase {


    private void compareDataSource(SpatialDataSource sds) throws DriverException {
        for (int i = 0; i < sds.getRowCount(); i++) {
            Value v = sds.getFieldValue(i, sds.getSpatialFieldIndex());
            if (!(v instanceof NullValue)) {
                IGeometry g = (IGeometry) v;
                assertTrue(g.getBounds2D().equals(sds.getGeometryBounds(i)));
            } else {
                assertTrue(sds.getGeometryBounds(i) == null);

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        GeneralPathX cgp = new GeneralPathX();
        cgp.moveTo(0, 0);
        cgp.lineTo(10, 10);
        cgp.lineTo(0, 10);
        Value[] row = sds.getRow(0);
        Value g = GeometryFactory.createPolygon2D(cgp);
        row[sds.getSpatialFieldIndex()] = g;
        sds.insertFilledRow(row);
        compareDataSource(sds);
        sds.setFieldValue(0, sds.getSpatialFieldIndex(), g);
        compareDataSource(sds);

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    private void testObjectFieldDeletionEditionWhileEdition(String dsName)
            throws Exception {
        AlphanumericDataSource d = (AlphanumericDataSource) ds
                .getDataSource(dsName);
        Value v1 = ValueFactory.createValue("freestyle");
        Value v2 = ValueFactory.createValue(9);
        d.beginTrans();
        d.deleteRow(0);
        d.setFieldValue(0, 2, v1);
        d.removeField(1);
        assertTrue(((BooleanValue) d.getFieldValue(0, 1).equals(v1)).getValue());

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    }


    private void testFieldDeletionEditionWhileEdition(String dsName, String id)
            throws Exception {


        Value v1 = ValueFactory.createValue("freestyle");
        Value v2 = ValueFactory.createValue(9);
        testObjectFieldDeletionEditionWhileEdition(dsName);


        DataSource newd = ds.executeSQL("select * from " + dsName + " where "
                + id + " = 9;");
        newd.start();

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    private void testFieldInsertionEditionWhileEdition(String dsName, String type)
            throws Exception {
        AlphanumericDataSource d = (AlphanumericDataSource) ds
                .getDataSource(dsName);
        Value v1 = ValueFactory.createValue("freestyle");
        Value v2 = ValueFactory.createValue(9);
        d.beginTrans();
        int lastField = d.getDataSourceMetadata().getFieldCount();
        d.deleteRow(0);
        d.setFieldValue(0, 2, v1);
        d.addField("nuevo", type);

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org.gdbms.driver.foodriver.FooDriver

org.gdbms.engine.data.DataSourceCommonImpl

org.gdbms.engine.data.db.JDBCSupport

org.gdbms.engine.data.edition.EditionTests

org.gdbms.engine.data.edition.MemoryInternalBuffer

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org.gdbms.engine.data.edition.PKOrientedEditionSupport

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