org.tikv.common.codec

Class MetaCodec

java.lang.Object

org.tikv.common.codec.MetaCodec

public class MetaCodec
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	ENCODED_DB_PREFIX
static com.google.protobuf.ByteString	KEY_DBs
static com.google.protobuf.ByteString	KEY_SCHEMA_VERSION
static String	KEY_TABLE
static String	KEY_TID

Constructor Summary

Constructors

Constructor and Description
MetaCodec()

Method Summary

Modifier and Type	Method and Description
static com.google.protobuf.ByteString	autoTableIDKey(long tableId)
static com.google.protobuf.ByteString	bytesGet(com.google.protobuf.ByteString key, Snapshot snapshot)
static Pair<com.google.protobuf.ByteString,com.google.protobuf.ByteString>	decodeHashDataKey(com.google.protobuf.ByteString rawKey)
static com.google.protobuf.ByteString	encodeDatabaseID(long id)
static void	encodeHashDataKey(CodecDataOutput cdo, byte[] key, byte[] field)
static void	encodeHashDataKeyPrefix(CodecDataOutput cdo, byte[] key)
static com.google.protobuf.ByteString	encodeHashMetaKey(CodecDataOutput cdo, byte[] key)
static void	encodeStringDataKey(CodecDataOutput cdo, byte[] key)
static com.google.protobuf.ByteString	hashGet(com.google.protobuf.ByteString key, com.google.protobuf.ByteString field, Snapshot snapshot)
static List<Pair<com.google.protobuf.ByteString,com.google.protobuf.ByteString>>	hashGetFields(com.google.protobuf.ByteString key, Snapshot snapshot)
static com.google.protobuf.ByteString	tableKey(long tableId)

Methods inherited from class java.lang.Object

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

Field Detail

ENCODED_DB_PREFIX

public static final String ENCODED_DB_PREFIX

See Also:

Constant Field Values

KEY_TID

public static final String KEY_TID

See Also:

Constant Field Values

KEY_DBs

public static com.google.protobuf.ByteString KEY_DBs

KEY_TABLE

public static String KEY_TABLE

KEY_SCHEMA_VERSION

public static com.google.protobuf.ByteString KEY_SCHEMA_VERSION

Constructor Detail

MetaCodec

public MetaCodec()

Method Detail

encodeStringDataKey

public static void encodeStringDataKey(CodecDataOutput cdo,
                                       byte[] key)

encodeHashDataKey

public static void encodeHashDataKey(CodecDataOutput cdo,
                                     byte[] key,
                                     byte[] field)

encodeHashMetaKey

public static com.google.protobuf.ByteString encodeHashMetaKey(CodecDataOutput cdo,
                                                               byte[] key)

encodeHashDataKeyPrefix

public static void encodeHashDataKeyPrefix(CodecDataOutput cdo,
                                           byte[] key)

decodeHashDataKey

public static Pair<com.google.protobuf.ByteString,com.google.protobuf.ByteString> decodeHashDataKey(com.google.protobuf.ByteString rawKey)

autoTableIDKey

public static com.google.protobuf.ByteString autoTableIDKey(long tableId)

tableKey

public static com.google.protobuf.ByteString tableKey(long tableId)

encodeDatabaseID

public static com.google.protobuf.ByteString encodeDatabaseID(long id)

hashGet

public static com.google.protobuf.ByteString hashGet(com.google.protobuf.ByteString key,
                                                     com.google.protobuf.ByteString field,
                                                     Snapshot snapshot)

bytesGet

public static com.google.protobuf.ByteString bytesGet(com.google.protobuf.ByteString key,
                                                      Snapshot snapshot)

hashGetFields

public static List<Pair<com.google.protobuf.ByteString,com.google.protobuf.ByteString>> hashGetFields(com.google.protobuf.ByteString key,
                                                                                                      Snapshot snapshot)