org.apache.cassandra.utils.concurrent

Interface SharedCloseable

All Superinterfaces:

java.lang.AutoCloseable

All Known Subinterfaces:

IFilter

All Known Implementing Classes:

AlwaysPresentFilter, BloomFilter, BufferedPoolingSegmentedFile, BufferedSegmentedFile, CompressedPoolingSegmentedFile, CompressedSegmentedFile, IndexSummary, MmappedSegmentedFile, Murmur3BloomFilter, PoolingSegmentedFile, SafeMemory, SegmentedFile, SharedCloseableImpl, WrappedSharedCloseable

public interface SharedCloseable
extends java.lang.AutoCloseable

A simple extension of AutoCloseable, that represents a resource that can be utilised in multiple locations, each managing their own closure of the resource, so that when the last such instance is closed all are.

Method Summary

Modifier and Type	Method and Description
SharedCloseable	sharedCopy()

Methods inherited from interface java.lang.AutoCloseable

close

Method Detail

sharedCopy

SharedCloseable sharedCopy()

Returns:

a new instance of the object representing the same state and backed by the same underlying resources. Coordinates with the original (and other instances) when the underlying resource should be closed. Throws an exception if the shared resource has already been closed.