com.google.cloud.bigtable.hbase.adapters.filters

Class SingleFilterAdapter<T extends org.apache.hadoop.hbase.filter.Filter>

java.lang.Object

com.google.cloud.bigtable.hbase.adapters.filters.SingleFilterAdapter<T>

@InternalApi(value="For internal usage only")
public class SingleFilterAdapter<T extends org.apache.hadoop.hbase.filter.Filter>
extends Object

A class that provides untyped-to-typed access to TypedFilterAdapter instances.

For internal use only - public for technical reasons.

Constructor Summary

Constructors

Constructor and Description
SingleFilterAdapter(Class<T> filterClass, TypedFilterAdapter<T> adapter) Constructor for SingleFilterAdapter.
SingleFilterAdapter(Class<T> filterClass, TypedFilterAdapter<T> adapter, UnsupportedStatusCollector<T> unsupportedStatusCollector) Constructor for SingleFilterAdapter.

Method Summary

Modifier and Type	Method and Description
com.google.cloud.bigtable.data.v2.models.Filters.Filter	adapt(FilterAdapterContext context, org.apache.hadoop.hbase.filter.Filter hbaseFilter) Adapt the untyped hbaseFilter instance into a RowFilter.
void	collectUnsupportedStatuses(FilterAdapterContext context, org.apache.hadoop.hbase.filter.Filter filter, List<FilterSupportStatus> statuses) Collect unsupported status objects into the given list.
com.google.common.collect.RangeSet<RowKeyWrapper>	getIndexScanHint(org.apache.hadoop.hbase.filter.Filter filter)
protected T	getTypedFilter(org.apache.hadoop.hbase.filter.Filter filter) getTypedFilter.
protected boolean	isFilterAProperSublcass(org.apache.hadoop.hbase.filter.Filter filter) isFilterAProperSublcass.
FilterSupportStatus	isSupported(FilterAdapterContext context, org.apache.hadoop.hbase.filter.Filter hbaseFilter) Determine if the untyped filter is supported.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SingleFilterAdapter

public SingleFilterAdapter(Class<T> filterClass,
                           TypedFilterAdapter<T> adapter)

Constructor for SingleFilterAdapter.

Parameters:

filterClass - a Class object.

adapter - a TypedFilterAdapter object.

SingleFilterAdapter

public SingleFilterAdapter(Class<T> filterClass,
                           TypedFilterAdapter<T> adapter,
                           UnsupportedStatusCollector<T> unsupportedStatusCollector)

Constructor for SingleFilterAdapter.

Parameters:

filterClass - a Class object.

adapter - a TypedFilterAdapter object.

unsupportedStatusCollector - a UnsupportedStatusCollector object.

Method Detail

adapt

public com.google.cloud.bigtable.data.v2.models.Filters.Filter adapt(FilterAdapterContext context,
                                                                     org.apache.hadoop.hbase.filter.Filter hbaseFilter)
                                                              throws IOException

Adapt the untyped hbaseFilter instance into a RowFilter.

Parameters:

context - a FilterAdapterContext object.

hbaseFilter - a Filter object.

Returns:

a RowFilter object.

Throws:

IOException - if any.

isSupported

public FilterSupportStatus isSupported(FilterAdapterContext context,
                                       org.apache.hadoop.hbase.filter.Filter hbaseFilter)

Determine if the untyped filter is supported.

Parameters:

context - a FilterAdapterContext object.

hbaseFilter - a Filter object.

Returns:

a FilterSupportStatus object.

collectUnsupportedStatuses

public void collectUnsupportedStatuses(FilterAdapterContext context,
                                       org.apache.hadoop.hbase.filter.Filter filter,
                                       List<FilterSupportStatus> statuses)

Collect unsupported status objects into the given list.

Parameters:

context - a FilterAdapterContext object.

filter - a Filter object.

statuses - a List object.

getIndexScanHint

public com.google.common.collect.RangeSet<RowKeyWrapper> getIndexScanHint(org.apache.hadoop.hbase.filter.Filter filter)

getTypedFilter

protected T getTypedFilter(org.apache.hadoop.hbase.filter.Filter filter)

getTypedFilter.

Parameters:

filter - a Filter object.

Returns:

a T object.

isFilterAProperSublcass

protected boolean isFilterAProperSublcass(org.apache.hadoop.hbase.filter.Filter filter)

isFilterAProperSublcass.

Parameters:

filter - a Filter object.

Returns:

a boolean.