Package org.scictrl.csshell.epics.server

Class PersistencyStore

java.lang.Object

org.scictrl.csshell.epics.server.PersistencyStore

All Implemented Interfaces:

Runnable

public class PersistencyStore
extends Object
implements Runnable

Stores and restores state of Record or PersistentValueProcessor, which are registered.

Author:

igor@scictrl.com

Constructor Summary

Constructors

Constructor	Description
PersistencyStore()	Make instance of store, that operates as a dummy.
PersistencyStore(File f, Database database)	Constructor for PersistencyStore.

Method Summary

Modifier and Type	Method	Description
boolean	deregister(PersistentValueProcessor proc)	deregister.
boolean	deregister(Record rec)	deregister.
void	flush()	flush.
void	registerProcessor(PersistentValueProcessor proc)	Registers provided processor with store/restore service.
void	registerValue(Record rec)	Registers provided record to have value stored.
void	run()
void	saveAll()	saveAll.

Methods inherited from class java.lang.Object

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

Constructor Details

PersistencyStore

public PersistencyStore()
                 throws org.apache.commons.configuration.ConfigurationException

Make instance of store, that operates as a dummy.

Throws:

org.apache.commons.configuration.ConfigurationException - configuration error

PersistencyStore

public PersistencyStore(File f,
 Database database)
                 throws org.apache.commons.configuration.ConfigurationException

Constructor for PersistencyStore.

Parameters:

f - a File object

database - a Database object

Throws:

org.apache.commons.configuration.ConfigurationException - if any.

Method Details

flush

public void flush()

flush.

run

public void run()

Specified by:

run in interface Runnable

registerProcessor

public void registerProcessor(PersistentValueProcessor proc)

Registers provided processor with store/restore service. First restores any previously stored status to the processor, as defined by PersistentValueProcessor.restore(org.apache.commons.configuration.Configuration). Then processor is monitored for changes and any change triggers store functionality, as defined by PersistentValueProcessor.store(org.apache.commons.configuration.Configuration).

Parameters:

proc - the processor to be stored

registerValue

public void registerValue(Record rec)

Registers provided record to have value stored. Provided record is monitored for changes and any change triggers store functionality.

Parameters:

rec - a Record object

deregister

public boolean deregister(Record rec)

deregister.

Parameters:

rec - a Record object

Returns:

a boolean

deregister

public boolean deregister(PersistentValueProcessor proc)

deregister.

Parameters:

proc - a PersistentValueProcessor object

Returns:

a boolean

saveAll

public void saveAll()

saveAll.