Package io.datarouter.storage.file

Class Directory

java.lang.Object

io.datarouter.storage.file.Directory

All Implemented Interfaces:

NodeOps<PathbeanKey,Pathbean>, BlobStorage<PathbeanKey,Pathbean>, BlobStorageReader<PathbeanKey,Pathbean>, BlobStorageWriter<PathbeanKey,Pathbean>

public class Directory
extends Object
implements BlobStorage<PathbeanKey,Pathbean>

Lightweight directory representation that is not tracked by the framework. Duplicates can be created at will for convenience in the application.

Nested Class Summary

Nested classes/interfaces inherited from interface io.datarouter.storage.node.op.raw.BlobStorage

BlobStorage.BlobStorageNode<PK extends io.datarouter.model.key.primary.PrimaryKey<PK>,D extends io.datarouter.model.databean.Databean<PK,D>,F extends io.datarouter.model.serialize.fielder.DatabeanFielder<PK,D>>, BlobStorage.PhysicalBlobStorageNode<PK extends io.datarouter.model.key.primary.PrimaryKey<PK>,D extends io.datarouter.model.databean.Databean<PK,D>,F extends io.datarouter.model.serialize.fielder.DatabeanFielder<PK,D>>

Constructor Summary

Constructors

Constructor	Description
Directory(BlobStorage<PathbeanKey,Pathbean> parent)
Directory(BlobStorage<PathbeanKey,Pathbean> parent, Subpath subpathInParent)
Directory(BlobStorage<PathbeanKey,Pathbean> parent, Subpath subpathInParent, String counterName)

Method Summary

Modifier and Type	Method	Description
void	delete(PathbeanKey key)
void	deleteAll(Subpath subpath)	Delete all descendants and the subpath directory
boolean	exists(PathbeanKey key)
String	getBucket()
Subpath	getRootPath()
Optional<Long>	length(PathbeanKey key)
byte[]	read(PathbeanKey key)
byte[]	read(PathbeanKey key, long offset, int length)
io.datarouter.scanner.Scanner<List<PathbeanKey>>	scanKeysPaged(Subpath subpath)
io.datarouter.scanner.Scanner<List<Pathbean>>	scanPaged(Subpath subpath)
Directory	subdirectory(Subpath subpathInParent)
Directory	subdirectory(Subpath subpathInParent, String counterName)
String	toString()
void	write(PathbeanKey key, byte[] value)
void	write(PathbeanKey key, io.datarouter.scanner.Scanner<byte[]> chunks)
void	write(PathbeanKey key, InputStream inputStream)

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.datarouter.storage.node.op.raw.read.BlobStorageReader

scan, scanChunks, scanKeys

Constructor Details

Directory

public Directory(BlobStorage<PathbeanKey,Pathbean> parent)

Directory

public Directory(BlobStorage<PathbeanKey,Pathbean> parent, Subpath subpathInParent)

Directory

public Directory(BlobStorage<PathbeanKey,Pathbean> parent, Subpath subpathInParent, String counterName)

Method Details

subdirectory

public Directory subdirectory(Subpath subpathInParent)

subdirectory

public Directory subdirectory(Subpath subpathInParent, String counterName)

write

public void write(PathbeanKey key, byte[] value)

Specified by:

write in interface BlobStorageWriter<PathbeanKey,Pathbean>

write

public void write(PathbeanKey key, io.datarouter.scanner.Scanner<byte[]> chunks)

Specified by:

write in interface BlobStorageWriter<PathbeanKey,Pathbean>

write

public void write(PathbeanKey key, InputStream inputStream)

Specified by:

write in interface BlobStorageWriter<PathbeanKey,Pathbean>

delete

public void delete(PathbeanKey key)

Specified by:

delete in interface BlobStorageWriter<PathbeanKey,Pathbean>

deleteAll

public void deleteAll(Subpath subpath)

Description copied from interface: BlobStorageWriter

Delete all descendants and the subpath directory

Specified by:

deleteAll in interface BlobStorageWriter<PathbeanKey,Pathbean>

getBucket

public String getBucket()

Specified by:

getBucket in interface BlobStorageReader<PathbeanKey,Pathbean>

getRootPath

public Subpath getRootPath()

Specified by:

getRootPath in interface BlobStorageReader<PathbeanKey,Pathbean>

exists

public boolean exists(PathbeanKey key)

Specified by:

exists in interface BlobStorageReader<PathbeanKey,Pathbean>

length

public Optional<Long> length(PathbeanKey key)

Specified by:

length in interface BlobStorageReader<PathbeanKey,Pathbean>

read

public byte[] read(PathbeanKey key)

Specified by:

read in interface BlobStorageReader<PathbeanKey,Pathbean>

read

public byte[] read(PathbeanKey key, long offset, int length)

Specified by:

read in interface BlobStorageReader<PathbeanKey,Pathbean>

scanKeysPaged

public io.datarouter.scanner.Scanner<List<PathbeanKey>> scanKeysPaged(Subpath subpath)

Specified by:

scanKeysPaged in interface BlobStorageReader<PathbeanKey,Pathbean>

scanPaged

public io.datarouter.scanner.Scanner<List<Pathbean>> scanPaged(Subpath subpath)

Specified by:

scanPaged in interface BlobStorageReader<PathbeanKey,Pathbean>

toString

public String toString()

Overrides:

toString in class Object