org.apache.hadoop.chukwa.extraction.engine.datasource.record

Class ChukwaRecordDataSource

java.lang.Object

org.apache.hadoop.chukwa.extraction.engine.datasource.record.ChukwaRecordDataSource

All Implemented Interfaces:

DataSource

public class ChukwaRecordDataSource
extends Object
implements DataSource

Constructor Summary

Constructors

Constructor and Description
ChukwaRecordDataSource()

Method Summary

Methods

Modifier and Type	Method and Description
String	buildFileName(int directoryType, String rootFolder, String dataSource, int spill, String day, String hour, int rawIndex)
boolean	containsRotateFlag(int directoryType, String rootFolder, String dataSource, String workingDay, String workingHour)
boolean	exist(int directoryType, String rootFolder, String dataSource, String workingDay, String workingHour, String raw)
void	extractRecords(ChukwaDSInternalResult res, int directoryType, String rootFolder, String dataSource, String day, String hour, int rawIndex, Token token, List<Record> records, int maxRows, long t0, long t1, String filter)
boolean	isThreadSafe()
protected boolean	isValid(ChukwaRecord record, String filter)
static void	main(String[] args)
void	readData(ChukwaDSInternalResult res, Token token, String fileName, int maxRows, long t0, long t1, String filter)
SearchResult	search(SearchResult result, String cluster, String dataSource, long t0, long t1, String filter, Token token)

Methods inherited from class java.lang.Object

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

Constructor Detail

ChukwaRecordDataSource

public ChukwaRecordDataSource()

Method Detail

isThreadSafe

public boolean isThreadSafe()

Specified by:

isThreadSafe in interface DataSource

search

public SearchResult search(SearchResult result,
                  String cluster,
                  String dataSource,
                  long t0,
                  long t1,
                  String filter,
                  Token token)
                    throws DataSourceException

Specified by:

search in interface DataSource

Throws:

DataSourceException

extractRecords

public void extractRecords(ChukwaDSInternalResult res,
                  int directoryType,
                  String rootFolder,
                  String dataSource,
                  String day,
                  String hour,
                  int rawIndex,
                  Token token,
                  List<Record> records,
                  int maxRows,
                  long t0,
                  long t1,
                  String filter)
                    throws Exception

Throws:

Exception

readData

public void readData(ChukwaDSInternalResult res,
            Token token,
            String fileName,
            int maxRows,
            long t0,
            long t1,
            String filter)
              throws Exception

Throws:

Exception

containsRotateFlag

public boolean containsRotateFlag(int directoryType,
                         String rootFolder,
                         String dataSource,
                         String workingDay,
                         String workingHour)
                           throws Exception

Throws:

Exception

exist

public boolean exist(int directoryType,
            String rootFolder,
            String dataSource,
            String workingDay,
            String workingHour,
            String raw)
              throws Exception

Throws:

Exception

isValid

protected boolean isValid(ChukwaRecord record,
              String filter)

buildFileName

public String buildFileName(int directoryType,
                   String rootFolder,
                   String dataSource,
                   int spill,
                   String day,
                   String hour,
                   int rawIndex)

main

public static void main(String[] args)
                 throws DataSourceException

Throws:

DataSourceException