jetbrains.exodus.entitystore

Interface BlobHandleGenerator

All Known Implementing Classes:

BlobVault

public interface BlobHandleGenerator

Implementation of PersistentEntityStore identifies each blob by a unique blob handle of type long. BlobHandleGenerator defines a sequences of blob handles for newly created blobs. Any inheritor of BlobVault should implement nextHandle(Transaction).

See Also:

BlobVault, PersistentEntityStore

Field Summary

Fields

Modifier and Type	Field and Description
static BlobHandleGenerator	IMMUTABLE BlobHandleGenerator for immutable BlobVaults.

Method Summary

Modifier and Type	Method and Description
long	nextHandle(@NotNull Transaction txn) Generates next unique blob handle.

Field Detail

IMMUTABLE

static final BlobHandleGenerator IMMUTABLE

BlobHandleGenerator for immutable BlobVaults.

Method Detail

nextHandle

long nextHandle(@NotNull
                @NotNull Transaction txn)

Generates next unique blob handle.

Parameters:

txn - current transaction

Returns:

next unique blob handle