package mil.nga.giat.geowave.store.index;
import mil.nga.giat.geowave.index.ByteArrayId;
import mil.nga.giat.geowave.index.NullNumericIndexStrategy;
import mil.nga.giat.geowave.index.StringUtils;
import mil.nga.giat.geowave.store.dimension.DimensionField;
/**
* This can be used as a pass-through for an index. In other words, it
* represents an index with no dimensions. It will create a GeoWave-compliant
* table named with the provided ID and primarily useful to access the data by
* row ID. Because it has no dimensions, range scans will result in full table
* scans.
*
*
*/
public class NullIndex extends
Index
{
protected NullIndex() {
super();
}
public NullIndex(
final String id ) {
super(
new NullNumericIndexStrategy(
id),
new BasicIndexModel(
new DimensionField[] {}));
}
@Override
public ByteArrayId getId() {
return new ByteArrayId(
StringUtils.stringToBinary(indexStrategy.getId()));
}
@Override
public byte[] toBinary() {
return StringUtils.stringToBinary(indexStrategy.getId());
}
@Override
public void fromBinary(
final byte[] bytes ) {
indexModel = new BasicIndexModel(
new DimensionField[] {});
indexStrategy = new NullNumericIndexStrategy(
StringUtils.stringFromBinary(bytes));
}
}