org.rocksdb

类 MemTableInfo

java.lang.Object

org.rocksdb.MemTableInfo

public class MemTableInfo
extends java.lang.Object

方法概要

限定符和类型	方法和说明
boolean	equals(java.lang.Object o)
java.lang.String	getColumnFamilyName() Get the name of the column family to which memtable belongs.
long	getEarliestSeqno() Get the Sequence number that is guaranteed to be smaller than or equal to the sequence number of any key that could be inserted into this memtable.
long	getFirstSeqno() Get the Sequence number of the first element that was inserted into the memtable.
long	getNumDeletes() Get the total number of deletes in memtable.
long	getNumEntries() Get the total number of entries in memtable.
int	hashCode()
java.lang.String	toString()

从类继承的方法 java.lang.Object

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

方法详细资料

getColumnFamilyName

public java.lang.String getColumnFamilyName()

Get the name of the column family to which memtable belongs.

返回:

the name of the column family.

getFirstSeqno

public long getFirstSeqno()

Get the Sequence number of the first element that was inserted into the memtable.

返回:

the sequence number of the first inserted element.

getEarliestSeqno

public long getEarliestSeqno()

Get the Sequence number that is guaranteed to be smaller than or equal to the sequence number of any key that could be inserted into this memtable. It can then be assumed that any write with a larger(or equal) sequence number will be present in this memtable or a later memtable.

返回:

the earliest sequence number.

getNumEntries

public long getNumEntries()

Get the total number of entries in memtable.

返回:

the total number of entries.

getNumDeletes

public long getNumDeletes()

Get the total number of deletes in memtable.

返回:

the total number of deletes.

equals

public boolean equals(java.lang.Object o)

覆盖:

equals 在类中 java.lang.Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 java.lang.Object

toString

public java.lang.String toString()

覆盖:

toString 在类中 java.lang.Object