uk.ac.starlink.fits

Interface UnmappableBuffer

public interface UnmappableBuffer

Aggregates a ByteBuffer representing a mapped region of a file and a way to attempt to reclaim its resources (off-heap memory).

Since:

23 Jul 2026

Method Summary

Modifier and Type	Method and Description
java.nio.ByteBuffer	getBuffer() Returns the buffer.
boolean	unmapBuffer() Attempts to reclaim resources used by the buffer.

Method Detail

getBuffer

java.nio.ByteBuffer getBuffer()

Returns the buffer.

Returns:

buffer

unmapBuffer

boolean unmapBuffer()

Attempts to reclaim resources used by the buffer. DO NOT attempt to use the buffer following a call to this method; depending on the implementation, very bad things could happen.

Returns:

true iff resources are actually reclaimed as a result of this call