org.elasticsearch.cache.memory
Class ByteBufferCache

java.lang.Object
  org.elasticsearch.common.component.AbstractComponent
      org.elasticsearch.cache.memory.ByteBufferCache

All Implemented Interfaces:

ByteBufferAllocator

public class ByteBufferCache
extends AbstractComponent
implements ByteBufferAllocator

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.lucene.store.bytebuffer.ByteBufferAllocator

ByteBufferAllocator.Cleaner, ByteBufferAllocator.Type

Field Summary

Fields inherited from class org.elasticsearch.common.component.AbstractComponent

componentSettings, logger, settings

Constructor Summary

ByteBufferCache()

ByteBufferCache(int bufferSizeInBytes, int cacheSizeInBytes, boolean direct)

ByteBufferCache(Settings settings)

Method Summary

ByteBuffer	allocate(ByteBufferAllocator.Type type) Allocate a byte buffer for the specific type.
void	close() Close the allocator, releasing any cached buffers for example.
boolean	direct()
void	release(ByteBuffer buffer) Release the buffer.
int	sizeInBytes(ByteBufferAllocator.Type type) The size (in bytes) that is allocated for the provided type.

Methods inherited from class org.elasticsearch.common.component.AbstractComponent

nodeName

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteBufferCache

public ByteBufferCache()

ByteBufferCache

public ByteBufferCache(int bufferSizeInBytes,
                       int cacheSizeInBytes,
                       boolean direct)

ByteBufferCache

@Inject
public ByteBufferCache(Settings settings)

Method Detail

direct

public boolean direct()

close

public void close()

Description copied from interface: ByteBufferAllocator

Close the allocator, releasing any cached buffers for example.

Specified by:

close in interface ByteBufferAllocator

sizeInBytes

public int sizeInBytes(ByteBufferAllocator.Type type)

Description copied from interface: ByteBufferAllocator

The size (in bytes) that is allocated for the provided type.

Specified by:

sizeInBytes in interface ByteBufferAllocator

allocate

public ByteBuffer allocate(ByteBufferAllocator.Type type)
                    throws IOException

Description copied from interface: ByteBufferAllocator

Allocate a byte buffer for the specific type.

Specified by:

allocate in interface ByteBufferAllocator

Throws:

IOException

release

public void release(ByteBuffer buffer)

Description copied from interface: ByteBufferAllocator

Release the buffer.

Specified by:

release in interface ByteBufferAllocator