com.baidu.hugegraph.backend.store.rocksdb

类 RocksDBSessions.Session

java.lang.Object

com.baidu.hugegraph.backend.store.BackendSession.AbstractBackendSession

com.baidu.hugegraph.backend.store.rocksdb.RocksDBSessions.Session

所有已实现的接口:

BackendSession

封闭类:

RocksDBSessions

public abstract static class RocksDBSessions.Session
extends BackendSession.AbstractBackendSession

Session for RocksDB

嵌套类概要

从接口继承的嵌套类/接口 com.baidu.hugegraph.backend.store.BackendSession

BackendSession.AbstractBackendSession

字段概要

字段

限定符和类型	字段和说明
static int	SCAN_ANY
static int	SCAN_GT_BEGIN
static int	SCAN_GTE_BEGIN
static int	SCAN_LT_END
static int	SCAN_LTE_END
static int	SCAN_PREFIX_BEGIN
static int	SCAN_PREFIX_END

从类继承的字段 com.baidu.hugegraph.backend.store.BackendSession.AbstractBackendSession

opened

构造器概要

构造器

构造器和说明
Session()

方法概要

限定符和类型	方法和说明
abstract String	dataPath()
abstract void	delete(String table, byte[] key)
abstract void	delete(String table, byte[] keyFrom, byte[] keyTo)
abstract byte[]	get(String table, byte[] key)
abstract void	increase(String table, byte[] key, byte[] value)
abstract org.apache.commons.lang3.tuple.Pair<byte[],byte[]>	keyRange(String table)
static boolean	matchScanType(int expected, int actual)
abstract void	merge(String table, byte[] key, byte[] value)
abstract String	property(String table, String property)
abstract void	put(String table, byte[] key, byte[] value)
abstract void	remove(String table, byte[] key)
abstract BackendEntry.BackendColumnIterator	scan(String table)
abstract BackendEntry.BackendColumnIterator	scan(String table, byte[] prefix)
BackendEntry.BackendColumnIterator	scan(String table, byte[] keyFrom, byte[] keyTo)
abstract BackendEntry.BackendColumnIterator	scan(String table, byte[] keyFrom, byte[] keyTo, int scanType)
abstract String	walPath()

从类继承的方法 com.baidu.hugegraph.backend.store.BackendSession.AbstractBackendSession

attach, closeable, closed, created, detach, opened, txState, txState, update, updated

从类继承的方法 java.lang.Object

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

从接口继承的方法 com.baidu.hugegraph.backend.store.BackendSession

close, commit, hasChanges, open, reconnectIfNeeded, reset, rollback

字段详细资料

SCAN_ANY

public static final int SCAN_ANY

另请参阅:

常量字段值

SCAN_PREFIX_BEGIN

public static final int SCAN_PREFIX_BEGIN

另请参阅:

常量字段值

SCAN_PREFIX_END

public static final int SCAN_PREFIX_END

另请参阅:

常量字段值

SCAN_GT_BEGIN

public static final int SCAN_GT_BEGIN

另请参阅:

常量字段值

SCAN_GTE_BEGIN

public static final int SCAN_GTE_BEGIN

另请参阅:

常量字段值

SCAN_LT_END

public static final int SCAN_LT_END

另请参阅:

常量字段值

SCAN_LTE_END

public static final int SCAN_LTE_END

另请参阅:

常量字段值

构造器详细资料

Session

public Session()

方法详细资料

dataPath

public abstract String dataPath()

walPath

public abstract String walPath()

property

public abstract String property(String table,
                                String property)

keyRange

public abstract org.apache.commons.lang3.tuple.Pair<byte[],byte[]> keyRange(String table)

put

public abstract void put(String table,
                         byte[] key,
                         byte[] value)

merge

public abstract void merge(String table,
                           byte[] key,
                           byte[] value)

increase

public abstract void increase(String table,
                              byte[] key,
                              byte[] value)

remove

public abstract void remove(String table,
                            byte[] key)

delete

public abstract void delete(String table,
                            byte[] keyFrom,
                            byte[] keyTo)

delete

public abstract void delete(String table,
                            byte[] key)

get

public abstract byte[] get(String table,
                           byte[] key)

scan

public abstract BackendEntry.BackendColumnIterator scan(String table)

scan

public abstract BackendEntry.BackendColumnIterator scan(String table,
                                                        byte[] prefix)

scan

public abstract BackendEntry.BackendColumnIterator scan(String table,
                                                        byte[] keyFrom,
                                                        byte[] keyTo,
                                                        int scanType)

scan

public BackendEntry.BackendColumnIterator scan(String table,
                                               byte[] keyFrom,
                                               byte[] keyTo)

matchScanType

public static boolean matchScanType(int expected,
                                    int actual)