org.apache.druid.segment.realtime.firehose

Class SqlFirehoseFactory

java.lang.Object

org.apache.druid.segment.realtime.firehose.PrefetchSqlFirehoseFactory<String>

org.apache.druid.segment.realtime.firehose.SqlFirehoseFactory

All Implemented Interfaces:

FiniteFirehoseFactory<InputRowParser<Map<String,Object>>,String>, FirehoseFactory<InputRowParser<Map<String,Object>>>

public class SqlFirehoseFactory
extends PrefetchSqlFirehoseFactory<String>

Constructor Summary

Constructors

Constructor and Description
SqlFirehoseFactory(List<String> sqls, Long maxCacheCapacityBytes, Long maxFetchCapacityBytes, Long prefetchTriggerBytes, Long fetchTimeout, boolean foldCase, SQLFirehoseDatabaseConnector sqlFirehoseDatabaseConnector, com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Method Summary

Modifier and Type	Method and Description
protected Collection<String>	initObjects()
protected InputStream	openObjectStream(String sql, File fileName) Open an input stream from the given object.
FiniteFirehoseFactory<InputRowParser<Map<String,Object>>,String>	withSplit(InputSplit<String> split)

Methods inherited from class org.apache.druid.segment.realtime.firehose.PrefetchSqlFirehoseFactory

connect, getFetchTimeout, getMaxCacheCapacityBytes, getMaxFetchCapacityBytes, getNumSplits, getObjects, getPrefetchTriggerBytes, getSplits, initializeObjectsIfNeeded

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.data.input.FiniteFirehoseFactory

isSplittable

Methods inherited from interface org.apache.druid.data.input.FirehoseFactory

connect, connectForSampler

Constructor Detail

SqlFirehoseFactory

public SqlFirehoseFactory(List<String> sqls,
                          Long maxCacheCapacityBytes,
                          Long maxFetchCapacityBytes,
                          Long prefetchTriggerBytes,
                          Long fetchTimeout,
                          boolean foldCase,
                          SQLFirehoseDatabaseConnector sqlFirehoseDatabaseConnector,
                          com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Method Detail

openObjectStream

protected InputStream openObjectStream(String sql,
                                       File fileName)
                                throws IOException

Description copied from class: PrefetchSqlFirehoseFactory

Open an input stream from the given object. The object is fetched into the file and an input stream to the file is provided.

Specified by:

openObjectStream in class PrefetchSqlFirehoseFactory<String>

Parameters:

sql - an object to be read

fileName - file to which the object is fetched into

Returns:

an input stream to the file

Throws:

IOException

initObjects

protected Collection<String> initObjects()

Specified by:

initObjects in class PrefetchSqlFirehoseFactory<String>

withSplit

public FiniteFirehoseFactory<InputRowParser<Map<String,Object>>,String> withSplit(InputSplit<String> split)