Package io.datarouter.storage.node.op.raw.read

Interface BlobStorageReader<PK extends io.datarouter.model.key.primary.PrimaryKey<PK>,D extends io.datarouter.model.databean.Databean<PK,D>>

All Superinterfaces:

NodeOps<PK,D>

All Known Subinterfaces:

BlobStorage<PK,D>, BlobStorage.BlobStorageNode<PK,D,F>, BlobStorage.PhysicalBlobStorageNode<PK,D,F>, BlobStorageWriter<PK,D>

All Known Implementing Classes:

Directory

public interface BlobStorageReader<PK extends io.datarouter.model.key.primary.PrimaryKey<PK>,D extends io.datarouter.model.databean.Databean<PK,D>>
extends NodeOps<PK,D>

Methods for reading from an blob store such as the filesystem or S3.

Method Summary

Modifier and Type	Method	Description
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)
default io.datarouter.scanner.Scanner<Pathbean>	scan(Subpath subpath)
default io.datarouter.scanner.Scanner<byte[]>	scanChunks(PathbeanKey key, ExecutorService exec, int numThreads, int chunkSize)
default io.datarouter.scanner.Scanner<PathbeanKey>	scanKeys(Subpath subpath)
io.datarouter.scanner.Scanner<List<PathbeanKey>>	scanKeysPaged(Subpath subpath)
io.datarouter.scanner.Scanner<List<Pathbean>>	scanPaged(Subpath subpath)

Method Details

getBucket

String getBucket()

getRootPath

Subpath getRootPath()

exists

boolean exists(PathbeanKey key)

length

Optional<Long> length(PathbeanKey key)

read

byte[] read(PathbeanKey key)

read

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

scanKeysPaged

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

scanPaged

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

scanKeys

default io.datarouter.scanner.Scanner<PathbeanKey> scanKeys(Subpath subpath)

scan

default io.datarouter.scanner.Scanner<Pathbean> scan(Subpath subpath)

scanChunks

default io.datarouter.scanner.Scanner<byte[]> scanChunks(PathbeanKey key, ExecutorService exec, int numThreads, int chunkSize)