org.apache.flink.addons.hbase.util

Class HBaseReadWriteHelper

java.lang.Object

org.apache.flink.addons.hbase.util.HBaseReadWriteHelper

public class HBaseReadWriteHelper
extends Object

A read and write helper for HBase. The helper can used to create a Scan and Get for scanning or lookuping a HBase table, and create a Put and Delete for writing to HBase table, and supports converting the HBase Result to Flink Row.

Constructor Summary

Constructors

Constructor and Description
HBaseReadWriteHelper(HBaseTableSchema hbaseTableSchema)

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.hbase.client.Delete	createDeleteMutation(org.apache.flink.types.Row row) Returns an instance of Delete that remove record from HBase table.
org.apache.hadoop.hbase.client.Get	createGet(Object rowKey) Returns an instance of Get that retrieves the matches records from the HBase table.
org.apache.hadoop.hbase.client.Put	createPutMutation(org.apache.flink.types.Row row) Returns an instance of Put that writes record to HBase table.
org.apache.hadoop.hbase.client.Scan	createScan() Returns an instance of Scan that retrieves the required subset of records from the HBase table.
org.apache.flink.types.Row	parseToRow(org.apache.hadoop.hbase.client.Result result) Parses HBase Result into Row.
org.apache.flink.types.Row	parseToRow(org.apache.hadoop.hbase.client.Result result, Object rowKey) Parses HBase Result into Row.

Methods inherited from class java.lang.Object

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

Constructor Detail

HBaseReadWriteHelper

public HBaseReadWriteHelper(HBaseTableSchema hbaseTableSchema)

Method Detail

createGet

public org.apache.hadoop.hbase.client.Get createGet(Object rowKey)

Returns an instance of Get that retrieves the matches records from the HBase table.

Returns:

The appropriate instance of Get for this use case.

createScan

public org.apache.hadoop.hbase.client.Scan createScan()

Returns an instance of Scan that retrieves the required subset of records from the HBase table.

Returns:

The appropriate instance of Scan for this use case.

parseToRow

public org.apache.flink.types.Row parseToRow(org.apache.hadoop.hbase.client.Result result)

Parses HBase Result into Row.

parseToRow

public org.apache.flink.types.Row parseToRow(org.apache.hadoop.hbase.client.Result result,
                                             Object rowKey)

Parses HBase Result into Row.

createPutMutation

public org.apache.hadoop.hbase.client.Put createPutMutation(org.apache.flink.types.Row row)

Returns an instance of Put that writes record to HBase table.

Returns:

The appropriate instance of Put for this use case.

createDeleteMutation

public org.apache.hadoop.hbase.client.Delete createDeleteMutation(org.apache.flink.types.Row row)

Returns an instance of Delete that remove record from HBase table.

Returns:

The appropriate instance of Delete for this use case.