Package org.apache.cassandra.utils.memory

Class MemtableBufferAllocator

java.lang.Object

org.apache.cassandra.utils.memory.MemtableAllocator

org.apache.cassandra.utils.memory.MemtableBufferAllocator

Direct Known Subclasses:

SlabAllocator

public abstract class MemtableBufferAllocator
extends MemtableAllocator

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.utils.memory.MemtableAllocator

MemtableAllocator.SubAllocator

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MemtableBufferAllocator(MemtableAllocator.SubAllocator onHeap, MemtableAllocator.SubAllocator offHeap)

Method Summary

Modifier and Type	Method	Description
abstract java.nio.ByteBuffer	allocate(int size, OpOrder.Group opGroup)
protected AbstractAllocator	allocator(OpOrder.Group writeOp)
DecoratedKey	clone(DecoratedKey key, OpOrder.Group writeOp)
Row.Builder	rowBuilder(OpOrder.Group writeOp)

Methods inherited from class org.apache.cassandra.utils.memory.MemtableAllocator

ensureOnHeap, isLive, offHeap, onHeap, setDiscarded, setDiscarding

Methods inherited from class java.lang.Object

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

Constructor Detail

MemtableBufferAllocator

protected MemtableBufferAllocator(MemtableAllocator.SubAllocator onHeap,
                                  MemtableAllocator.SubAllocator offHeap)

Method Detail

rowBuilder

public Row.Builder rowBuilder(OpOrder.Group writeOp)

Specified by:

rowBuilder in class MemtableAllocator

clone

public DecoratedKey clone(DecoratedKey key,
                          OpOrder.Group writeOp)

Specified by:

clone in class MemtableAllocator

allocate

public abstract java.nio.ByteBuffer allocate(int size,
                                             OpOrder.Group opGroup)

allocator

protected AbstractAllocator allocator(OpOrder.Group writeOp)