com.google.cloud.bigtable.hbase.adapters.read

Class ScanAdapter

java.lang.Object

com.google.cloud.bigtable.hbase.adapters.read.ScanAdapter

All Implemented Interfaces:

ReadOperationAdapter<org.apache.hadoop.hbase.client.Scan>

@InternalApi(value="For internal usage only")
public class ScanAdapter
extends Object
implements ReadOperationAdapter<org.apache.hadoop.hbase.client.Scan>

An adapter for Scan operation that makes use of the proto filter language.

For internal use only - public for technical reasons.

Constructor Summary

Constructors

Constructor and Description
ScanAdapter(FilterAdapter filterAdapter, RowRangeAdapter rowRangeAdapter) Constructor for ScanAdapter.

Method Summary

Modifier and Type	Method and Description
com.google.cloud.bigtable.data.v2.models.Query	adapt(org.apache.hadoop.hbase.client.Scan scan, ReadHooks readHooks, com.google.cloud.bigtable.data.v2.models.Query query) adapt.
com.google.cloud.bigtable.data.v2.models.Filters.Filter	buildFilter(org.apache.hadoop.hbase.client.Scan scan, ReadHooks hooks) Given a Scan, build a Filters.Filter that include matching columns
void	throwIfUnsupportedScan(org.apache.hadoop.hbase.client.Scan scan) throwIfUnsupportedScan.

Methods inherited from class java.lang.Object

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

Constructor Detail

ScanAdapter

public ScanAdapter(FilterAdapter filterAdapter,
                   RowRangeAdapter rowRangeAdapter)

Constructor for ScanAdapter.

Parameters:

filterAdapter - a FilterAdapter object.

rowRangeAdapter - a RowRangeAdapter object.

Method Detail

throwIfUnsupportedScan

public void throwIfUnsupportedScan(org.apache.hadoop.hbase.client.Scan scan)

throwIfUnsupportedScan.

Parameters:

scan - a Scan object.

buildFilter

public com.google.cloud.bigtable.data.v2.models.Filters.Filter buildFilter(org.apache.hadoop.hbase.client.Scan scan,
                                                                           ReadHooks hooks)

Given a Scan, build a Filters.Filter that include matching columns

Parameters:

scan - a Scan object.

hooks - a ReadHooks object.

Returns:

a Filters.Filter object.

adapt

public com.google.cloud.bigtable.data.v2.models.Query adapt(org.apache.hadoop.hbase.client.Scan scan,
                                                            ReadHooks readHooks,
                                                            com.google.cloud.bigtable.data.v2.models.Query query)

adapt.

Specified by:

adapt in interface ReadOperationAdapter<org.apache.hadoop.hbase.client.Scan>

Parameters:

scan - a T object.

readHooks - a ReadHooks object.

query - a Query object.