Package io.permazen.kv.simple

Class MemoryKVDatabase

java.lang.Object

io.permazen.kv.simple.SimpleKVDatabase

io.permazen.kv.simple.MemoryKVDatabase

All Implemented Interfaces:

KVDatabase, Serializable

Direct Known Subclasses:

XMLKVDatabase

public class MemoryKVDatabase
extends SimpleKVDatabase

A simple in-memory implementation of the KVDatabase interface.

This is just a SimpleKVDatabase with a MemoryAtomicKVStore as its underlying key/value store. See SimpleKVDatabase for further details.

See Also:

• SimpleKVDatabase
• MemoryAtomicKVStore
• Serialized Form

Field Summary

Fields inherited from class io.permazen.kv.simple.SimpleKVDatabase

DEFAULT_HOLD_TIMEOUT, DEFAULT_WAIT_TIMEOUT, kv, log

Constructor Summary

Constructors

Constructor	Description
MemoryKVDatabase()	Constructor.
MemoryKVDatabase(long waitTimeout, long holdTimeout)	Primary constructor.

Method Summary

Methods inherited from class io.permazen.kv.simple.SimpleKVDatabase

checkState, createTransaction, createTransaction, getHoldTimeout, getWaitTimeout, postCommit, preCommit, setHoldTimeout, setWaitTimeout, start, stop

Methods inherited from class java.lang.Object

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

Constructor Details

MemoryKVDatabase

public MemoryKVDatabase()

Constructor.

Uses the default wait and hold timeouts.

MemoryKVDatabase

public MemoryKVDatabase(long waitTimeout,
 long holdTimeout)

Primary constructor.

Parameters:

waitTimeout - how long a thread will wait for a lock before throwing RetryTransactionException in milliseconds, or zero for unlimited

holdTimeout - how long a thread may hold a contestested lock before throwing RetryTransactionException in milliseconds, or zero for unlimited

Throws:

IllegalArgumentException - if waitTimeout or holdTimeout is negative