org.apache.commons.id.uuid.state
Class ReadWriteFileStateImpl

java.lang.Object
  org.apache.commons.id.uuid.state.ReadOnlyResourceStateImpl
      org.apache.commons.id.uuid.state.ReadWriteFileStateImpl

All Implemented Interfaces:

Serializable, State

public class ReadWriteFileStateImpl
extends ReadOnlyResourceStateImpl
implements State

The ReadWriteFileStateImpl is an implementation of the State interface. This implementation provides better guarantees that no duplicate UUID's will be generated since the last time stamp, and last clock sequence are stored to a persistent file.

Version:

$Id: ReadWriteFileStateImpl.java 480488 2006-11-29 08:57:26Z bayard $

Author:

Commons-Id team

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.commons.id.uuid.state.ReadOnlyResourceStateImpl

CONFIG_FILENAME_KEY

Fields inherited from interface org.apache.commons.id.uuid.state.State

DEFAULT_STATE_IMPL

Constructor Summary

ReadWriteFileStateImpl()

Method Summary

void	store(Set nodes) Persists the UUID generator state to file.

Methods inherited from class org.apache.commons.id.uuid.state.ReadOnlyResourceStateImpl

getNodes, getSynchInterval, load, parse, store

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.commons.id.uuid.state.State

getNodes, getSynchInterval, load, store

Constructor Detail

ReadWriteFileStateImpl

public ReadWriteFileStateImpl()

Method Detail

store

public void store(Set nodes)
           throws IOException

Persists the UUID generator state to file.

Specified by:

store in interface State

Overrides:

store in class ReadOnlyResourceStateImpl

Parameters:

nodes - a Collection of Nodes to store.

Throws:

IOException - - an input/output Exception perhaps due to StringBuffer#append

See Also:

State.store(java.util.Set)