org.apache.cassandra.hadoop.pig

Class CqlNativeStorage

java.lang.Object

org.apache.pig.LoadFunc

org.apache.cassandra.hadoop.pig.AbstractCassandraStorage

org.apache.cassandra.hadoop.pig.CqlStorage

org.apache.cassandra.hadoop.pig.CqlNativeStorage

All Implemented Interfaces:

org.apache.pig.LoadMetadata, org.apache.pig.StoreFuncInterface

public class CqlNativeStorage
extends CqlStorage

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.hadoop.pig.AbstractCassandraStorage

AbstractCassandraStorage.CfInfo, AbstractCassandraStorage.MarshallerType

Field Summary

Fields inherited from class org.apache.cassandra.hadoop.pig.CqlStorage

columns, outputQuery, pageSize, whereClause, writer

Fields inherited from class org.apache.cassandra.hadoop.pig.AbstractCassandraStorage

column_family, conf, DEFAULT_INPUT_FORMAT, DEFAULT_OUTPUT_FORMAT, initHostAddress, inputFormatClass, keyspace, loadSignature, outputFormatClass, PARTITION_FILTER_SIGNATURE, partitionerClass, password, PIG_INITIAL_ADDRESS, PIG_INPUT_FORMAT, PIG_INPUT_INITIAL_ADDRESS, PIG_INPUT_PARTITIONER, PIG_INPUT_RPC_PORT, PIG_INPUT_SPLIT_SIZE, PIG_OUTPUT_FORMAT, PIG_OUTPUT_INITIAL_ADDRESS, PIG_OUTPUT_PARTITIONER, PIG_OUTPUT_RPC_PORT, PIG_PARTITIONER, PIG_RPC_PORT, rpcPort, splitSize, storeSignature, usePartitionFilter, username

Constructor Summary

Constructors

Constructor and Description
CqlNativeStorage()
CqlNativeStorage(int pageSize)

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.pig.data.Tuple	getNext() get next row
void	prepareToRead(org.apache.hadoop.mapreduce.RecordReader reader, org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSplit split)
void	setLocation(java.lang.String location, org.apache.hadoop.mapreduce.Job job) set read configuration settings

Methods inherited from class org.apache.cassandra.hadoop.pig.CqlStorage

cqlColumnToObj, getColumnMetadata, getKeysMeta, getSchema, nullToBB, prepareToWrite, putNext, setPartitionFilter, setStoreLocation, setTupleValue

Methods inherited from class org.apache.cassandra.hadoop.pig.AbstractCassandraStorage

cassandraToObj, cfdefFromString, cfdefToString, checkSchema, cleanupOnFailure, cleanupOnSuccess, columnToTuple, composeComposite, getCfInfo, getCfInfo, getCFMetaData, getColumnMeta, getDefaultMarshallers, getFullyQualifiedClassName, getIndexes, getIndexType, getInputFormat, getOutputFormat, getPartitionKeys, getPigType, getQueryMap, getStatistics, getValidatorMap, initSchema, objToBB, parseType, relativeToAbsolutePath, relToAbsPathForStoreLocation, setConnectionInformation, setStoreFuncUDFContextSignature, setTupleValue, setUDFContextSignature

Methods inherited from class org.apache.pig.LoadFunc

getAbsolutePath, getLoadCaster, getPathStrings, join, warn

Methods inherited from class java.lang.Object

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

Constructor Detail

CqlNativeStorage

public CqlNativeStorage()

CqlNativeStorage

public CqlNativeStorage(int pageSize)

Parameters:

pageSize - limit number of CQL rows to fetch in a thrift request

Method Detail

prepareToRead

public void prepareToRead(org.apache.hadoop.mapreduce.RecordReader reader,
                 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSplit split)

Overrides:

prepareToRead in class CqlStorage

getNext

public org.apache.pig.data.Tuple getNext()
                                  throws java.io.IOException

get next row

Overrides:

getNext in class CqlStorage

Throws:

java.io.IOException

setLocation

public void setLocation(java.lang.String location,
               org.apache.hadoop.mapreduce.Job job)
                 throws java.io.IOException

set read configuration settings

Overrides:

setLocation in class CqlStorage

Throws:

java.io.IOException