How to use

SpatialResultSetMetaData

in

org.h2gis.utilities

@Override
public int getFirstGeometryFieldIndex() throws SQLException {
  try(Resource res = resultSetHolder.getResource()) {
    SpatialResultSetMetaData meta = res.getResultSet().getMetaData().unwrap(SpatialResultSetMetaData.class);
    return meta.getFirstGeometryFieldIndex();
  }
}

@Override
public int getGeometryType(int i) throws SQLException {
  try(Resource res = resultSetHolder.getResource()) {
    SpatialResultSetMetaData meta = res.getResultSet().getMetaData().unwrap(SpatialResultSetMetaData.class);
    return meta.getGeometryType(i);
  }
}

@Override
public void beginFeature(long id, ResultSet rs) {
  try {
    String attributeName;
    attributeName = rs.getString(fieldName);
    PdfStructureElement e = new PdfStructureElement(top, new PdfName(attributeName));
    PdfDictionary userProperties = new PdfDictionary();
    userProperties.put(PdfName.O, PdfName.USERPROPERTIES);
    PdfArray properties = new PdfArray();
    SpatialResultSetMetaData metaData = rs.getMetaData().unwrap(SpatialResultSetMetaData.class);
    int geometryField = metaData.getFirstGeometryFieldIndex();
    PdfDictionary property = new PdfDictionary();
    property.put(PdfName.N, new PdfString(metaData.getColumnName(geometryField)));
    property.put(PdfName.V, new PdfString(rs.getString(geometryField)));
    properties.add(property);
    userProperties.put(PdfName.P, properties);
    e.put(PdfName.A, userProperties);
    pTemp = cb.createTemplate(width, height);
    cb.beginMarkedContentSequence(e);
  } catch (SQLException ex) {
    Logger.getLogger(PdfRendererWithAttributes.class.getName()).log(Level.SEVERE, null, ex);
  }
}

@Override
public int getFirstGeometryFieldIndex() throws SQLException {
  try(Resource res = resultSetHolder.getResource()) {
    SpatialResultSetMetaData meta = res.getResultSet().getMetaData().unwrap(SpatialResultSetMetaData.class);
    return meta.getFirstGeometryFieldIndex();
  }
}

@Override
public int getGeometryType(int i) throws SQLException {
  try(Resource res = resultSetHolder.getResource()) {
    SpatialResultSetMetaData meta = res.getResultSet().getMetaData().unwrap(SpatialResultSetMetaData.class);
    return meta.getGeometryType(i);
  }
}

private int getFirstGeometryFieldIndex() throws SQLException {
  if(firstGeometryFieldIndex==-1) {
    firstGeometryFieldIndex = getMetaData().unwrap(SpatialResultSetMetaData.class).getFirstGeometryFieldIndex();
  }
  return firstGeometryFieldIndex;
}

@Override
public int getGeometryType() throws SQLException {
  try(Resource res = resultSetHolder.getResource()) {
    SpatialResultSetMetaData meta = res.getResultSet().getMetaData().unwrap(SpatialResultSetMetaData.class);
    return meta.getGeometryType();
  }
}

private int getFirstGeometryFieldIndex() throws SQLException {
  if(firstGeometryFieldIndex==-1) {
    firstGeometryFieldIndex = getMetaData().unwrap(SpatialResultSetMetaData.class).getFirstGeometryFieldIndex();
  }
  return firstGeometryFieldIndex;
}

@Override
public int getGeometryType() throws SQLException {
  try(Resource res = resultSetHolder.getResource()) {
    SpatialResultSetMetaData meta = res.getResultSet().getMetaData().unwrap(SpatialResultSetMetaData.class);
    return meta.getGeometryType();
  }
}

private int getFirstGeometryFieldIndex() throws SQLException {
  if(firstGeometryFieldIndex==-1) {
    firstGeometryFieldIndex = getMetaData().unwrap(SpatialResultSetMetaData.class).getFirstGeometryFieldIndex();
  }
  return firstGeometryFieldIndex;
}

try(SpatialResultSet rs = resultSetProvider.execute(rulesProgress, extent)) {
  int pkColumn = rs.findColumn(resultSetProvider.getPkName());
  int fieldID = rs.getMetaData().unwrap(SpatialResultSetMetaData.class).getFirstGeometryFieldIndex();
  ProgressMonitor rowSetProgress;