Package org.apache.druid.frame.allocation

Class SingleMemoryAllocatorFactory

java.lang.Object

org.apache.druid.frame.allocation.SingleMemoryAllocatorFactory

All Implemented Interfaces:

MemoryAllocatorFactory

public class SingleMemoryAllocatorFactory
extends Object
implements MemoryAllocatorFactory

Wraps a single MemoryAllocator. The same instance is returned on each call to newAllocator(), after validating that it is 100% free. Calling newAllocator() before freeing all previously-allocated memory leads to an IllegalStateException.

Constructor Summary

Constructors

Constructor	Description
SingleMemoryAllocatorFactory(MemoryAllocator allocator)

Method Summary

Modifier and Type	Method	Description
long	allocatorCapacity()	Capacity of allocators returned by MemoryAllocatorFactory.newAllocator().
MemoryAllocator	newAllocator()	Returns a new allocator with capacity MemoryAllocatorFactory.allocatorCapacity().

Methods inherited from class java.lang.Object

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

Constructor Details

SingleMemoryAllocatorFactory

public SingleMemoryAllocatorFactory(MemoryAllocator allocator)

Method Details

newAllocator

public MemoryAllocator newAllocator()

Description copied from interface: MemoryAllocatorFactory

Returns a new allocator with capacity MemoryAllocatorFactory.allocatorCapacity().

Specified by:

newAllocator in interface MemoryAllocatorFactory

allocatorCapacity

public long allocatorCapacity()

Description copied from interface: MemoryAllocatorFactory

Capacity of allocators returned by MemoryAllocatorFactory.newAllocator().

Specified by:

allocatorCapacity in interface MemoryAllocatorFactory