org.apache.ignite.internal.processors.cache.persistence.wal

Class SegmentRouter

java.lang.Object

org.apache.ignite.internal.processors.cache.persistence.wal.SegmentRouter

public class SegmentRouter
extends Object

Class for manage of segment file location.

Field Summary

Fields

Modifier and Type	Field and Description
static String	ZIP_SUFFIX

Constructor Summary

Constructors

Constructor and Description
SegmentRouter(File walWorkDir, File walArchiveDir, SegmentAware segmentAware, DataStorageConfiguration dsCfg)

Method Summary

Modifier and Type	Method and Description
FileDescriptor	findSegment(long segmentId) Find file which represent given segment.
File	getWalArchiveDir()
File	getWalWorkDir()
boolean	hasArchive()

Methods inherited from class java.lang.Object

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

Field Detail

ZIP_SUFFIX

public static final String ZIP_SUFFIX

See Also:

Constant Field Values

Constructor Detail

SegmentRouter

public SegmentRouter(File walWorkDir,
                     File walArchiveDir,
                     SegmentAware segmentAware,
                     DataStorageConfiguration dsCfg)

Parameters:

walWorkDir - WAL work directory.

walArchiveDir - WAL archive directory.

segmentAware - Holder of actual information of latest manipulation on WAL segments.

dsCfg - Data storage configuration.

Method Detail

findSegment

public FileDescriptor findSegment(long segmentId)
                           throws FileNotFoundException

Find file which represent given segment.

Parameters:

segmentId - Segment for searching.

Returns:

Actual file description.

Throws:

FileNotFoundException - If file does not exist.

hasArchive

public boolean hasArchive()

Returns:

true If archive folder exists.

getWalWorkDir

public File getWalWorkDir()

Returns:

WAL working directory.

getWalArchiveDir

public File getWalArchiveDir()

Returns:

WAL archive directory.