org.wicketstuff.datastores.memcached

Class GuavaMemcachedDataStore

java.lang.Object

org.wicketstuff.datastores.memcached.GuavaMemcachedDataStore

All Implemented Interfaces:

org.apache.wicket.pageStore.IDataStore

public class GuavaMemcachedDataStore
extends Object
implements org.apache.wicket.pageStore.IDataStore

IDataStore that stores the pages' bytes in Memcached. It uses Google Guava's Cache as a Map with eviction functionality by last access time. To use it the application has to add: com.google.guava:guava:10+ as dependency in the classpath. A useful read about the way Memcached works can be found here.

Constructor Summary

Constructors

Constructor and Description
GuavaMemcachedDataStore(IMemcachedSettings settings) Constructor.
GuavaMemcachedDataStore(net.spy.memcached.MemcachedClient client, IMemcachedSettings settings) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	canBeAsynchronous()
static net.spy.memcached.MemcachedClient	createClient(IMemcachedSettings settings) Creates MemcachedClient with the provided hostname and port in the settings
void	destroy()
byte[]	getData(String sessionId, int pageId)
boolean	isReplicated()
void	removeData(String sessionId)
void	removeData(String sessionId, int pageId)
void	storeData(String sessionId, int pageId, byte[] data)

Methods inherited from class java.lang.Object

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

Constructor Detail

GuavaMemcachedDataStore

public GuavaMemcachedDataStore(IMemcachedSettings settings)
                        throws IOException

Constructor. Creates a MemcachedClient from the provided settings

Parameters:

settings - The configuration for the client

Throws:

IOException - when cannot connect to any of the provided in IMemcachedSettings Memcached servers

GuavaMemcachedDataStore

public GuavaMemcachedDataStore(net.spy.memcached.MemcachedClient client,
                       IMemcachedSettings settings)

Constructor.

Parameters:

client - The connection to Memcached

settings - The configuration for the client

Method Detail

createClient

public static net.spy.memcached.MemcachedClient createClient(IMemcachedSettings settings)
                                                      throws IOException

Creates MemcachedClient with the provided hostname and port in the settings

Parameters:

settings - The configuration for the client

Returns:

A MemcachedClient

Throws:

IOException - when cannot connect to any of the provided Memcached servers

getData

public byte[] getData(String sessionId,
             int pageId)

Specified by:

getData in interface org.apache.wicket.pageStore.IDataStore

removeData

public void removeData(String sessionId,
              int pageId)

Specified by:

removeData in interface org.apache.wicket.pageStore.IDataStore

removeData

public void removeData(String sessionId)

Specified by:

removeData in interface org.apache.wicket.pageStore.IDataStore

storeData

public void storeData(String sessionId,
             int pageId,
             byte[] data)

Specified by:

storeData in interface org.apache.wicket.pageStore.IDataStore

destroy

public void destroy()

Specified by:

destroy in interface org.apache.wicket.pageStore.IDataStore

isReplicated

public boolean isReplicated()

Specified by:

isReplicated in interface org.apache.wicket.pageStore.IDataStore

canBeAsynchronous

public boolean canBeAsynchronous()

Specified by:

canBeAsynchronous in interface org.apache.wicket.pageStore.IDataStore