Package io.permazen.kv.util

Class CloseableForwardingKVStore

java.lang.Object

io.permazen.kv.util.ForwardingKVStore

io.permazen.kv.util.CloseableForwardingKVStore

All Implemented Interfaces:

CloseableKVStore, KVStore, Closeable, AutoCloseable

Direct Known Subclasses:

CachingKVStore

public class CloseableForwardingKVStore
extends ForwardingKVStore
implements CloseableKVStore

A ForwardingKVStore also implementing CloseableKVStore, with some associated underlying Closeable resource to close when close()'d.

Constructor Summary

Constructors

Constructor	Description
CloseableForwardingKVStore(KVStore kvstore, Runnable closeAction)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()	Close this KVStore and release any resources associated with it.
protected KVStore	delegate()	Get the underlying KVStore.
protected void	finalize()	Ensure the associated resource is close()'d before reclaiming memory.

Methods inherited from class io.permazen.kv.util.ForwardingKVStore

adjustCounter, apply, decodeCounter, encodeCounter, get, getAtLeast, getAtMost, getRange, put, remove, removeRange

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.permazen.kv.KVStore

adjustCounter, apply, decodeCounter, encodeCounter, get, getAtLeast, getAtMost, getRange, getRange, getRange, put, remove, removeRange, removeRange

Constructor Details

CloseableForwardingKVStore

public CloseableForwardingKVStore(KVStore kvstore,
 Runnable closeAction)

Constructor.

Parameters:

kvstore - key/value store for forwarding

closeAction - action to perform on close(), or null for none

Throws:

IllegalArgumentException - if kvstore is null

Method Details

delegate

protected KVStore delegate()

Description copied from class: ForwardingKVStore

Get the underlying KVStore.

Specified by:

delegate in class ForwardingKVStore

Returns:

underlying KVStore

close

public void close()

Description copied from interface: CloseableKVStore

Close this KVStore and release any resources associated with it.

If this instance is already closed, then nothing happens.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface CloseableKVStore

finalize

protected void finalize()
                 throws Throwable

Ensure the associated resource is close()'d before reclaiming memory.

Overrides:

finalize in class Object

Throws:

Throwable