spark-ManagedBuffer.adoc

ManagedBuffer

ManagedBuffer is the base of…​FIXME

package org.apache.spark.network.buffer;

abstract class ManagedBuffer {
  abstract long size();
  abstract ByteBuffer nioByteBuffer() throws IOException;
  abstract InputStream createInputStream() throws IOException;
  abstract ManagedBuffer retain();
  abstract ManagedBuffer release();
  abstract Object convertToNetty() throws IOException;
}

Table 1. ManagedBuffer Contract

Method	Description
size	Used when…​FIXME
nioByteBuffer	Used when…​FIXME
createInputStream	Used when…​FIXME
retain	Used when…​FIXME
release	Used when…​FIXME
convertToNetty	Used when…​FIXME

Table 2. ManagedBuffers

ManagedBuffer	Description
BlockManagerManagedBuffer
FileSegmentManagedBuffer
NettyManagedBuffer
NioManagedBuffer