com.alipay.sofa.jraft.storage.snapshot

Class Snapshot

java.lang.Object

com.alipay.sofa.jraft.Status

com.alipay.sofa.jraft.storage.snapshot.Snapshot

All Implemented Interfaces:

Copiable<Status>

Direct Known Subclasses:

LocalSnapshot, SnapshotReader, SnapshotWriter

public abstract class Snapshot
extends Status

Represents a state machine snapshot.

Author:

boyan (boyan@alibaba-inc.com) 2018-Apr-07 10:17:52 AM

Field Summary

Fields

Modifier and Type	Field and Description
static String	JRAFT_SNAPSHOT_META_FILE Snapshot metadata file name.
static String	JRAFT_SNAPSHOT_PREFIX Snapshot file prefix.
static String	REMOTE_SNAPSHOT_URI_SCHEME Snapshot uri scheme for remote peer

Constructor Summary

Constructors

Constructor and Description
Snapshot()

Method Summary

Modifier and Type	Method and Description
abstract com.google.protobuf.Message	getFileMeta(String fileName) Get file meta by fileName.
abstract String	getPath() Get the path of the Snapshot
abstract Set<String>	listFiles() List all the existing files in the Snapshot currently

Methods inherited from class com.alipay.sofa.jraft.Status

copy, equals, getCode, getErrorMsg, getRaftError, hashCode, isOk, OK, reset, setCode, setError, setError, setErrorMsg, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

JRAFT_SNAPSHOT_META_FILE

public static final String JRAFT_SNAPSHOT_META_FILE

Snapshot metadata file name.

See Also:

Constant Field Values

JRAFT_SNAPSHOT_PREFIX

public static final String JRAFT_SNAPSHOT_PREFIX

Snapshot file prefix.

See Also:

Constant Field Values

REMOTE_SNAPSHOT_URI_SCHEME

public static final String REMOTE_SNAPSHOT_URI_SCHEME

Snapshot uri scheme for remote peer

See Also:

Constant Field Values

Constructor Detail

Snapshot

public Snapshot()

Method Detail

getPath

public abstract String getPath()

Get the path of the Snapshot

listFiles

public abstract Set<String> listFiles()

List all the existing files in the Snapshot currently

getFileMeta

public abstract com.google.protobuf.Message getFileMeta(String fileName)

Get file meta by fileName.