org.friendlysnmp.persist

Class PersistStorage

java.lang.Object

org.friendlysnmp.persist.PersistStorage

Direct Known Subclasses:

PersistStorageImpl

public abstract class PersistStorage
extends java.lang.Object

Abstract persistence storage class which gives an option for various persistency implementations.

Field Summary

Fields

Modifier and Type	Field and Description
protected PersistPolicy	persistPolicy Persistence policy

Constructor Summary

Constructors

Constructor and Description
PersistStorage()

Method Summary

Modifier and Type	Method and Description
PersistPolicy	getPersistPolicy() Returns persistence policy
abstract PersistEntryScalar	getPersistScalar(FID id) Returns persistent scalar entry or null if not exist.
abstract PersistEntryScalar[]	getPersistScalars() Returns array of persistent entries with scalars in this persistence storage.
abstract PersistEntryTable	getPersistTable(FID id) Returns persistent scalar entry or null if not exist.
abstract PersistEntryTable[]	getPersistTables() Returns array of persistent entries with scalars in this persistence storage.
abstract void	put(FScalar scalar) Saves scalar in persistence storage.
abstract void	put(FTable table) Saves table in persistence storage.
abstract void	remove(FID id) Removes object from persistence storage.
abstract void	save() Saves persistence storage.
void	setPersistPolicy(PersistPolicy p) Sets persistence policy
void	shutdown() Shutdowns persistence storage.

Methods inherited from class java.lang.Object

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

Field Detail

persistPolicy

protected PersistPolicy persistPolicy

Persistence policy

Constructor Detail

PersistStorage

public PersistStorage()

Method Detail

put

public abstract void put(FScalar scalar)
                  throws FException

Saves scalar in persistence storage.

Parameters:

scalar - scalar to be saved in persistent storage.

Throws:

FException - exception thrown in derived class.

getPersistScalar

public abstract PersistEntryScalar getPersistScalar(FID id)

Returns persistent scalar entry or null if not exist.

Parameters:

id - id of the stored object.

Returns:

stored persistent scalar entry.

getPersistScalars

public abstract PersistEntryScalar[] getPersistScalars()

Returns array of persistent entries with scalars in this persistence storage.

Returns:

array of stored persistent entries with scalars in this persistence storage.

put

public abstract void put(FTable table)
                  throws FException

Saves table in persistence storage.

Parameters:

table - table to be saved in persistent storage.

Throws:

FException - exception thrown in derived class.

getPersistTable

public abstract PersistEntryTable getPersistTable(FID id)

Returns persistent scalar entry or null if not exist.

Parameters:

id - id of the stored object

Returns:

stored persistent scalar entry

getPersistTables

public abstract PersistEntryTable[] getPersistTables()

Returns array of persistent entries with scalars in this persistence storage.

Returns:

array of stored persistent entries with scalars in this persistence storage.

remove

public abstract void remove(FID id)
                     throws FException

Removes object from persistence storage.

Parameters:

id - object ID.

Throws:

FException - exception thrown in derived class.

save

public abstract void save()
                   throws FException

Saves persistence storage. Default implementation does nothing.

Throws:

FException - exception thrown in derived class.

setPersistPolicy

public void setPersistPolicy(PersistPolicy p)

Sets persistence policy

Parameters:

p - persistence policy

getPersistPolicy

public PersistPolicy getPersistPolicy()

Returns persistence policy

Returns:

persistence policy

shutdown

public void shutdown()
              throws FException

Shutdowns persistence storage.

Throws:

FException - exception thrown in derived class.