org.friendlysnmp.persist

Class PersistStorageImpl

java.lang.Object

org.friendlysnmp.persist.PersistStorage

org.friendlysnmp.persist.PersistStorageImpl

public class PersistStorageImpl
extends PersistStorage

Implementation of PersistStorage, which provides persistence in plain HashMap<String,String> serialized into file.

Field Summary

Fields inherited from class org.friendlysnmp.persist.PersistStorage

persistPolicy

Constructor Summary

Constructors

Constructor and Description
PersistStorageImpl(java.lang.String filename) Constructor.

Method Summary

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

Methods inherited from class org.friendlysnmp.persist.PersistStorage

getPersistPolicy, setPersistPolicy, shutdown

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistStorageImpl

public PersistStorageImpl(java.lang.String filename)
                   throws FException

Constructor.

Parameters:

filename - filename.

Throws:

FException - failure to create persistence storage.

Method Detail

put

public void put(FScalar scalar)
         throws FException

Saves scalar in persistence storage.

Specified by:

put in class PersistStorage

Parameters:

scalar - scalar to be saved in persistent storage.

Throws:

FException - exception thrown in derived class.

See Also:

PersistStorage.put(org.friendlysnmp.FScalar)

getPersistScalar

public PersistEntryScalar getPersistScalar(FID id)

Returns persistent scalar entry or null if not exist.

Specified by:

getPersistScalar in class PersistStorage

Parameters:

id - id of the stored object.

Returns:

stored persistent scalar entry.

See Also:

PersistStorage.getPersistScalar(FID)

getPersistScalars

public PersistEntryScalar[] getPersistScalars()

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

Specified by:

getPersistScalars in class PersistStorage

Returns:

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

See Also:

PersistStorage.getPersistScalars()

put

public void put(FTable table)
         throws FException

Saves table in persistence storage.

Specified by:

put in class PersistStorage

Parameters:

table - table to be saved in persistent storage.

Throws:

FException - exception thrown in derived class.

See Also:

PersistStorage.put(org.friendlysnmp.FTable)

getPersistTable

public PersistEntryTable getPersistTable(FID id)

Returns persistent scalar entry or null if not exist.

Specified by:

getPersistTable in class PersistStorage

Parameters:

id - id of the stored object

Returns:

stored persistent scalar entry

See Also:

PersistStorage.getPersistScalar(FID)

getPersistTables

public PersistEntryTable[] getPersistTables()

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

Specified by:

getPersistTables in class PersistStorage

Returns:

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

See Also:

PersistStorage.getPersistScalars()

remove

public void remove(FID id)
            throws FException

Removes object from persistence storage.

Specified by:

remove in class PersistStorage

Parameters:

id - object ID.

Throws:

FException - exception thrown in derived class.

See Also:

PersistStorage.remove(org.friendlysnmp.FID)

save

public void save()
          throws FException

Saves persistence storage. Default implementation does nothing.

Specified by:

save in class PersistStorage

Throws:

FException - exception thrown in derived class.

See Also:

PersistStorage.save()