org.apache.kylin.storage.hbase.cube.v2

Class CubeHBaseRPC

java.lang.Object

org.apache.kylin.storage.hbase.cube.v2.CubeHBaseRPC

All Implemented Interfaces:

org.apache.kylin.gridtable.IGTStorage

Direct Known Subclasses:

CubeHBaseEndpointRPC, CubeHBaseScanRPC

public abstract class CubeHBaseRPC
extends Object
implements org.apache.kylin.gridtable.IGTStorage

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.kylin.cube.CubeSegment	cubeSeg
protected org.apache.kylin.cube.cuboid.Cuboid	cuboid
protected org.apache.kylin.gridtable.GTInfo	fullGTInfo
static org.slf4j.Logger	logger
protected org.apache.kylin.common.QueryContext	queryContext
protected org.apache.kylin.storage.StorageContext	storageContext

Constructor Summary

Constructors

Constructor and Description
CubeHBaseRPC(org.apache.kylin.metadata.model.ISegment segment, org.apache.kylin.cube.cuboid.Cuboid cuboid, org.apache.kylin.gridtable.GTInfo fullGTInfo, org.apache.kylin.storage.StorageContext context)

Method Summary

Methods

Modifier and Type	Method and Description
static void	applyFuzzyFilter(org.apache.hadoop.hbase.client.Scan scan, List<org.apache.kylin.common.util.Pair<byte[],byte[]>> fuzzyKeys)
static void	applyHBaseColums(org.apache.hadoop.hbase.client.Scan scan, List<org.apache.kylin.common.util.Pair<byte[],byte[]>> hbaseColumns)
static org.apache.hadoop.hbase.client.Scan	buildScan(RawScan rawScan)
protected int	getCoprocessorTimeoutMillis()
protected List<List<Integer>>	getHBaseColumnsGTMapping(org.apache.kylin.common.util.ImmutableBitSet selectedColBlocks) for each selected hbase column, it might contain values of multiple GT columns.
protected void	logScan(RawScan rawScan, String tableName)
protected List<org.apache.kylin.common.util.Pair<byte[],byte[]>>	makeHBaseColumns(org.apache.kylin.common.util.ImmutableBitSet selectedColBlocks) prune untouched hbase columns
protected List<RawScan>	preparedHBaseScans(List<org.apache.kylin.gridtable.GTScanRange> ranges, org.apache.kylin.common.util.ImmutableBitSet selectedColBlocks)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.kylin.gridtable.IGTStorage

getGTScanner

Field Detail

logger

public static final org.slf4j.Logger logger

cubeSeg

protected final org.apache.kylin.cube.CubeSegment cubeSeg

cuboid

protected final org.apache.kylin.cube.cuboid.Cuboid cuboid

fullGTInfo

protected final org.apache.kylin.gridtable.GTInfo fullGTInfo

queryContext

protected final org.apache.kylin.common.QueryContext queryContext

storageContext

protected final org.apache.kylin.storage.StorageContext storageContext

Constructor Detail

CubeHBaseRPC

public CubeHBaseRPC(org.apache.kylin.metadata.model.ISegment segment,
            org.apache.kylin.cube.cuboid.Cuboid cuboid,
            org.apache.kylin.gridtable.GTInfo fullGTInfo,
            org.apache.kylin.storage.StorageContext context)

Method Detail

buildScan

public static org.apache.hadoop.hbase.client.Scan buildScan(RawScan rawScan)

preparedHBaseScans

protected List<RawScan> preparedHBaseScans(List<org.apache.kylin.gridtable.GTScanRange> ranges,
                               org.apache.kylin.common.util.ImmutableBitSet selectedColBlocks)

makeHBaseColumns

protected List<org.apache.kylin.common.util.Pair<byte[],byte[]>> makeHBaseColumns(org.apache.kylin.common.util.ImmutableBitSet selectedColBlocks)

prune untouched hbase columns

getHBaseColumnsGTMapping

protected List<List<Integer>> getHBaseColumnsGTMapping(org.apache.kylin.common.util.ImmutableBitSet selectedColBlocks)

for each selected hbase column, it might contain values of multiple GT columns. The mapping should be passed down to storage

applyHBaseColums

public static void applyHBaseColums(org.apache.hadoop.hbase.client.Scan scan,
                    List<org.apache.kylin.common.util.Pair<byte[],byte[]>> hbaseColumns)

applyFuzzyFilter

public static void applyFuzzyFilter(org.apache.hadoop.hbase.client.Scan scan,
                    List<org.apache.kylin.common.util.Pair<byte[],byte[]>> fuzzyKeys)

logScan

protected void logScan(RawScan rawScan,
           String tableName)

getCoprocessorTimeoutMillis

protected int getCoprocessorTimeoutMillis()