FilterAdapter (Cloud Bigtable HBase Client for Java 1.12.0 API)

Constructor Detail

• FilterAdapter

  protected FilterAdapter()

  Building the adapter map properly requires using a reference to the main FilterAdapter (to pass to FilterListAdapter). As a result, a full adapter should be acquired via #buildAdapter().

Method Detail

• buildAdapter

  public static FilterAdapter buildAdapter()

  Create a new FilterAdapter

  Returns:

  a FilterAdapter object.

• adaptFilter

  public Optional<com.google.cloud.bigtable.data.v2.models.Filters.Filter> adaptFilter(FilterAdapterContext context,
                                                                                       Filter filter)
                                                                                throws IOException

  Adapt an HBase filter into a Cloud Bigtable Rowfilter.

  Parameters:

  context - a FilterAdapterContext object.

  filter - a Filter object.

  Returns:

  a Optional object.

  Throws:

  IOException - if any.

• throwIfUnsupportedFilter

  public void throwIfUnsupportedFilter(Scan scan,
                                       Filter filter)

  Throw a new UnsupportedFilterException if the given filter cannot be adapted to bigtable reader expressions.

  Parameters:

  scan - a Scan object.

  filter - a Filter object.

• collectUnsupportedStatuses

  public void collectUnsupportedStatuses(FilterAdapterContext context,
                                         Filter filter,
                                         List<FilterSupportStatus> statuses)

  Recursively collect all unsupported filters contained in Filter (which may be a FilterList)

  Parameters:

  filter - The filter to inspect

  statuses - A mutable list of status into which we will add any that indicate an unsupported Filter was found.

  context - a FilterAdapterContext object.

• getIndexScanHint

  public RangeSet<RowKeyWrapper> getIndexScanHint(Filter filter)

• getAdapterForFilterOrThrow

  protected SingleFilterAdapter<?> getAdapterForFilterOrThrow(Filter filter)

  Get the adapter for the given Filter or throw an UnsupportedFilterException if one is not available.

  Parameters:

  filter - a Filter object.

  Returns:

  a SingleFilterAdapter object.