Field Detail

• HFILE_NAME_REGEX

  public static final String HFILE_NAME_REGEX

  A non-capture group, for hfiles, so that this can be embedded. HFiles are uuid ([0-9a-z]+). Bulk loaded hfiles has (_SeqId_[0-9]+_) has suffix.

  See Also:

  Constant Field Values

Constructor Detail

• StoreFileInfo

  public StoreFileInfo(org.apache.hadoop.conf.Configuration conf,
               org.apache.hadoop.fs.FileSystem fs,
               org.apache.hadoop.fs.Path initialPath)
                throws IOException

  Create a Store File Info

  Parameters:

  conf - the Configuration to use

  fs - The current file system to use.

  initialPath - The Path of the file

  Throws:

  IOException

• StoreFileInfo

  public StoreFileInfo(org.apache.hadoop.conf.Configuration conf,
               org.apache.hadoop.fs.FileSystem fs,
               org.apache.hadoop.fs.FileStatus fileStatus)
                throws IOException

  Create a Store File Info

  Parameters:

  conf - the Configuration to use

  fs - The current file system to use.

  fileStatus - The FileStatus of the file

  Throws:

  IOException

• StoreFileInfo

  public StoreFileInfo(org.apache.hadoop.conf.Configuration conf,
               org.apache.hadoop.fs.FileSystem fs,
               org.apache.hadoop.fs.FileStatus fileStatus,
               HFileLink link)
                throws IOException

  Create a Store File Info from an HFileLink

  Parameters:

  conf - the Configuration to use

  fs - The current file system to use.

  fileStatus - The FileStatus of the file

  Throws:

  IOException

• StoreFileInfo

  public StoreFileInfo(org.apache.hadoop.conf.Configuration conf,
               org.apache.hadoop.fs.FileSystem fs,
               org.apache.hadoop.fs.FileStatus fileStatus,
               Reference reference)
                throws IOException

  Create a Store File Info from an HFileLink

  Parameters:

  conf -

  fs -

  fileStatus -

  reference -

  Throws:

  IOException

Method Detail

• setRegionCoprocessorHost

  public void setRegionCoprocessorHost(RegionCoprocessorHost coprocessorHost)

  Sets the region coprocessor env.

  Parameters:

  coprocessorHost -

• getReference

  public Reference getReference()

• isReference

  public boolean isReference()

  Returns:

  True if the store file is a Reference

• isTopReference

  public boolean isTopReference()

  Returns:

  True if the store file is a top Reference

• isLink

  public boolean isLink()

  Returns:

  True if the store file is a link

• getHDFSBlockDistribution

  public HDFSBlocksDistribution getHDFSBlockDistribution()

  Returns:

  the HDFS block distribution

• open

  public StoreFile.Reader open(org.apache.hadoop.fs.FileSystem fs,
                      CacheConfig cacheConf,
                      boolean canUseDropBehind)
                        throws IOException

  Open a Reader for the StoreFile

  Parameters:

  fs - The current file system to use.

  cacheConf - The cache configuration and block cache reference.

  Returns:

  The StoreFile.Reader for the file

  Throws:

  IOException

• computeHDFSBlocksDistribution

  public HDFSBlocksDistribution computeHDFSBlocksDistribution(org.apache.hadoop.fs.FileSystem fs)
                                                       throws IOException

  Compute the HDFS Block Distribution for this StoreFile

  Throws:

  IOException

• getReferencedFileStatus

  public org.apache.hadoop.fs.FileStatus getReferencedFileStatus(org.apache.hadoop.fs.FileSystem fs)
                                                          throws IOException

  Get the FileStatus of the file referenced by this StoreFileInfo

  Parameters:

  fs - The current file system to use.

  Returns:

  The FileStatus of the file referenced by this StoreFileInfo

  Throws:

  IOException

• getPath

  public org.apache.hadoop.fs.Path getPath()

  Returns:

  The Path of the file

• getFileStatus

  public org.apache.hadoop.fs.FileStatus getFileStatus()
                                                throws IOException

  Returns:

  The FileStatus of the file

  Throws:

  IOException

• getModificationTime

  public long getModificationTime()
                           throws IOException

  Returns:

  Get the modification time of the file.

  Throws:

  IOException

• toString

  public String toString()

  Overrides:

  toString in class Object

• isHFile

  public static boolean isHFile(org.apache.hadoop.fs.Path path)

  Parameters:

  path - Path to check.

  Returns:

  True if the path has format of a HFile.

• isHFile

  public static boolean isHFile(String fileName)

• isReference

  public static boolean isReference(org.apache.hadoop.fs.Path path)

  Parameters:

  path - Path to check.

  Returns:

  True if the path has format of a HStoreFile reference.

• isReference

  public static boolean isReference(String name)

  Parameters:

  name - file name to check.

  Returns:

  True if the path has format of a HStoreFile reference.

• getCreatedTimestamp

  public long getCreatedTimestamp()

  Returns:

  timestamp when this file was created (as returned by filesystem)

• getReferredToFile

  public static org.apache.hadoop.fs.Path getReferredToFile(org.apache.hadoop.fs.Path p)

• validateStoreFileName

  public static boolean validateStoreFileName(String fileName)

  Validate the store file name.

  Parameters:

  fileName - name of the file to validate

  Returns:

  true if the file could be a valid store file, false otherwise

• isValid

  public static boolean isValid(org.apache.hadoop.fs.FileStatus fileStatus)
                         throws IOException

  Return if the specified file is a valid store file or not.

  Parameters:

  fileStatus - The FileStatus of the file

  Returns:

  true if the file is valid

  Throws:

  IOException

• hashCode

  public int hashCode()

  Overrides:

  hashCode in class Object

• equals

  public boolean equals(Object obj)

  Overrides:

  equals in class Object