com.exonum.binding.storage.database

Interface Database

All Superinterfaces:

java.lang.AutoCloseable, CloseableNativeProxy

All Known Implementing Classes:

MemoryDb

public interface Database
extends CloseableNativeProxy

Represents an underlying Exonum Storage database.

Method Summary

Modifier and Type	Method and Description
Fork	createFork(Cleaner cleaner) Creates a new database fork.
Snapshot	createSnapshot(Cleaner cleaner) Creates a new snapshot of the database state.

Methods inherited from interface com.exonum.binding.proxy.CloseableNativeProxy

close

Method Detail

createSnapshot

Snapshot createSnapshot(Cleaner cleaner)

Creates a new snapshot of the database state.

Parameters:

cleaner - a cleaner to register the snapshot

Returns:

a new snapshot of the database state

createFork

Fork createFork(Cleaner cleaner)

Creates a new database fork.

A fork allows to perform a transaction: a number of independent writes to a database, which then may be atomically applied to the database.

Parameters:

cleaner - a cleaner to register the fork

Returns:

a new database fork