org.apache.cassandra.db
Class Memtable

java.lang.Object
  org.apache.cassandra.db.Memtable

public class Memtable
extends java.lang.Object

Field Summary

ColumnFamilyStore

cfs

Constructor Summary

Memtable(ColumnFamilyStore cfs)

Method Summary

java.lang.String	contents()
long	creationTime()
void	flushAndSignal(java.util.concurrent.CountDownLatch latch, java.util.concurrent.ExecutorService writer, ReplayPosition context)
ColumnFamily	getColumnFamily(DecoratedKey key)
java.util.Iterator<java.util.Map.Entry<DecoratedKey,ColumnFamily>>	getEntryIterator(DecoratedKey startWith)
long	getLiveSize()
static IColumnIterator	getNamesIterator(DecoratedKey key, ColumnFamily cf, NamesQueryFilter filter)
long	getOperations()
long	getSerializedSize()
static IColumnIterator	getSliceIterator(DecoratedKey key, ColumnFamily cf, SliceQueryFilter filter, AbstractType typeComparator) obtain an iterator of columns in this memtable in the specified order starting from a given column.
boolean	isClean()
java.lang.String	toString()
void	updateLiveRatio()

Methods inherited from class java.lang.Object

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

Field Detail

cfs

public final ColumnFamilyStore cfs

Constructor Detail

Memtable

public Memtable(ColumnFamilyStore cfs)

Method Detail

getLiveSize

public long getLiveSize()

getSerializedSize

public long getSerializedSize()

getOperations

public long getOperations()

updateLiveRatio

public void updateLiveRatio()

contents

public java.lang.String contents()

flushAndSignal

public void flushAndSignal(java.util.concurrent.CountDownLatch latch,
                           java.util.concurrent.ExecutorService writer,
                           ReplayPosition context)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getEntryIterator

public java.util.Iterator<java.util.Map.Entry<DecoratedKey,ColumnFamily>> getEntryIterator(DecoratedKey startWith)

Parameters:

startWith - Include data in the result from and including this key and to the end of the memtable

Returns:

An iterator of entries with the data from the start key

isClean

public boolean isClean()

getSliceIterator

public static IColumnIterator getSliceIterator(DecoratedKey key,
                                               ColumnFamily cf,
                                               SliceQueryFilter filter,
                                               AbstractType typeComparator)

obtain an iterator of columns in this memtable in the specified order starting from a given column.

getNamesIterator

public static IColumnIterator getNamesIterator(DecoratedKey key,
                                               ColumnFamily cf,
                                               NamesQueryFilter filter)

getColumnFamily

public ColumnFamily getColumnFamily(DecoratedKey key)

creationTime

public long creationTime()