com.voidsearch.voidbase.apps.cache.module.messages
Class MessagePersistenceStore

java.lang.Object
  com.voidsearch.voidbase.apps.cache.VoidBaseCache
      com.voidsearch.voidbase.apps.cache.module.messages.MessagePersistenceStore

All Implemented Interfaces:

VoidBaseCacheHandler, java.lang.Cloneable

public class MessagePersistenceStore
extends VoidBaseCache

MessagePersistenceStore implementation of VoidBaseCache. This is a simple String key/value store on top of a BerkeleyDB.

Field Summary

protected static java.lang.String	DEFAULT_STORE_PATH
protected static MessagePersistenceStore	instance
protected static java.lang.String	STORE

Fields inherited from class com.voidsearch.voidbase.apps.cache.VoidBaseCache

config, logger, name, operations

Constructor Summary

MessagePersistenceStore()
Creates a new instance of a MessagePersistenceStore

Method Summary

void	delete(java.lang.String key) Deletes a key from a messages store
void	flush() Flushes a messages store
CacheValue	get(java.lang.String key) Returns value from a messages store
static MessagePersistenceStore	getInstance() Creates a new instance of a MessagePersistenceStore
protected void	initializeStore() Initializes BDB store for message persistence
CacheValue	process(java.lang.String method, java.util.List<java.lang.String> route, java.util.Map<java.lang.String,java.lang.String> params, java.lang.String key, java.lang.String value) Processes cache requests
CacheValue	process(java.lang.String method, java.lang.String name, java.lang.String key, java.lang.String value)
void	put(java.lang.String key, java.lang.String value) Puts a key/value pair in messages store

Methods inherited from class com.voidsearch.voidbase.apps.cache.VoidBaseCache

clone, getLockType, initialize, isRegistered

Methods inherited from class java.lang.Object

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

Field Detail

instance

protected static MessagePersistenceStore instance

STORE

protected static final java.lang.String STORE

See Also:

Constant Field Values

DEFAULT_STORE_PATH

protected static final java.lang.String DEFAULT_STORE_PATH

See Also:

Constant Field Values

Constructor Detail

MessagePersistenceStore

public MessagePersistenceStore()
                        throws CacheException

Creates a new instance of a MessagePersistenceStore

Throws:

CacheException

Method Detail

getInstance

public static MessagePersistenceStore getInstance()
                                           throws CacheException

Creates a new instance of a MessagePersistenceStore

Returns:

a MessagePersistenceStore instance

Throws:

CacheException

initializeStore

protected void initializeStore()
                        throws CacheException

Initializes BDB store for message persistence

Throws:

CacheException

process

public CacheValue process(java.lang.String method,
                          java.util.List<java.lang.String> route,
                          java.util.Map<java.lang.String,java.lang.String> params,
                          java.lang.String key,
                          java.lang.String value)
                   throws CacheException

Processes cache requests

Parameters:

method -

route -

params -

key -

value -

Returns:

a result of cache request operation

Throws:

CacheException

process

public CacheValue process(java.lang.String method,
                          java.lang.String name,
                          java.lang.String key,
                          java.lang.String value)
                   throws CacheException

Parameters:

method -

name -

key -

value -

Returns:

Throws:

CacheException

put

public void put(java.lang.String key,
                java.lang.String value)
         throws CacheException

Puts a key/value pair in messages store

Parameters:

key -

value -

Throws:

CacheException

get

public CacheValue get(java.lang.String key)
               throws CacheException

Returns value from a messages store

Parameters:

key -

Returns:

value from a messages store

Throws:

CacheException

delete

public void delete(java.lang.String key)
            throws CacheException

Deletes a key from a messages store

Parameters:

key -

Throws:

CacheException

flush

public void flush()
           throws CacheException

Flushes a messages store

Throws:

CacheException