org.apache.hudi.common.model

Class HoodieLogFile

java.lang.Object

org.apache.hudi.common.model.HoodieLogFile

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

HoodieArchivedLogFile

public class HoodieLogFile
extends Object
implements Serializable

Abstracts a single log file. Contains methods to extract metadata like the fileId, version and extension from the log file path.

Also contains logic to roll-over the log file

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HoodieLogFile.LogFileComparator Comparator to order log-files.

Field Summary

Fields

Modifier and Type	Field and Description
static String	DELTA_EXTENSION
static String	LOG_FILE_PREFIX
static Integer	LOGFILE_BASE_VERSION

Constructor Summary

Constructors

Constructor and Description
HoodieLogFile(HoodieLogFile logFile)
HoodieLogFile(StoragePath logPath)
HoodieLogFile(StoragePathInfo pathInfo)
HoodieLogFile(StoragePath logPath, long fileLen)
HoodieLogFile(String logPathStr)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
String	getBaseCommitTime()
String	getFileExtension()
String	getFileId()
String	getFileName()
long	getFileSize()
static Comparator<HoodieLogFile>	getLogFileComparator()
int	getLogVersion()
String	getLogWriteToken()
StoragePath	getPath()
StoragePathInfo	getPathInfo()
static Comparator<HoodieLogFile>	getReverseLogFileComparator()
String	getSuffix()
int	hashCode()
HoodieLogFile	rollOver(HoodieStorage storage, String logWriteToken)
void	setFileLen(long fileLen)
void	setPathInfo(StoragePathInfo pathInfo)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DELTA_EXTENSION

public static final String DELTA_EXTENSION

See Also:

Constant Field Values

LOG_FILE_PREFIX

public static final String LOG_FILE_PREFIX

See Also:

Constant Field Values

LOGFILE_BASE_VERSION

public static final Integer LOGFILE_BASE_VERSION

Constructor Detail

HoodieLogFile

public HoodieLogFile(HoodieLogFile logFile)

HoodieLogFile

public HoodieLogFile(StoragePathInfo pathInfo)

HoodieLogFile

public HoodieLogFile(StoragePath logPath)

HoodieLogFile

public HoodieLogFile(StoragePath logPath,
                     long fileLen)

HoodieLogFile

public HoodieLogFile(String logPathStr)

Method Detail

getFileId

public String getFileId()

getBaseCommitTime

public String getBaseCommitTime()

getLogVersion

public int getLogVersion()

getLogWriteToken

public String getLogWriteToken()

getFileExtension

public String getFileExtension()

getSuffix

public String getSuffix()

getPath

public StoragePath getPath()

getFileName

public String getFileName()

setFileLen

public void setFileLen(long fileLen)

getFileSize

public long getFileSize()

getPathInfo

public StoragePathInfo getPathInfo()

setPathInfo

public void setPathInfo(StoragePathInfo pathInfo)

rollOver

public HoodieLogFile rollOver(HoodieStorage storage,
                              String logWriteToken)
                       throws IOException

Throws:

IOException

getLogFileComparator

public static Comparator<HoodieLogFile> getLogFileComparator()

getReverseLogFileComparator

public static Comparator<HoodieLogFile> getReverseLogFileComparator()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object