memcachedConnection (Type of variable)

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Properties specific to memcachedConnection variables
WLanguage functions that use the memcachedConnection type

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Memcached functions

memcachedConnection (Type of variable)

In french: memcachedConnexion

The memcachedConnection type is used to define the characteristics of a connection to a Memcached server. The characteristics of this connection can be defined and changed using different WLanguage properties.

Remark: For more details on the declaration of this type of variable and the use of WLanguage properties, see Declaring a variable.

Example

// Declare a connection via the memcachedConnection type
memConnection is memcachedConnection
memConnection.Server[1].Name = "MyServer"
memConnection.SupportCAS = True
memConnection.BinaryProtocol = True
// Use the connection
Trace(MemcachedGet(memConnection, "mykey"))

Remarks

Properties specific to memcachedConnection variables

The following properties can be used to handle a connection to a memcached cache:


Property name		Type used	Effect
Password		Character string	Connection password (used when connecting to a memcached server with authentication).
Namespace		Character string	Prefix used for the keys stored on the server.
BinaryProtocol		Boolean	Communication protocol between the memcached server and the client: True (default value) if the memcached server uses a binary communication protocol, False if the memcached server uses a text communication protocol. Remark: the binary communication protocol proposes better performance and additional features.
Server		Array	Characteristics of memcached servers used.
	Server[n].Name	Character string	Server name.
	Server[n].Weight	Integer	Server weight.
	Server[n].Port	Integer	Server port.
SupportCAS		Boolean	Support for CAS: True if CAS supported. False otherwise. Remark: CAS (Check And Set) is used to perform a data modification only if this data was not modified since it was last read.
ConnectionTimeout		Integer	Maximum timeout for connecting to the memcached server (expressed in milliseconds). Corresponds to 10 000 by default.
User		Character string	User (used when connecting to a memcached server with authentication).

WLanguage functions that use the memcachedConnection type


MemcachedAdd	Adds a new key/value couple into the Memcached cache.
MemcachedAddKeyGroup	Adds a new key/value couple into the Memcached cache on a group of servers.
MemcachedAddPrefix	Adds a value at the start of existing value in the cache for the given key.
MemcachedAddPrefixKeyGroup	Adds a value at the start of existing value in the cache for the given key on a group of servers.
MemcachedAddSuffix	Adds a value at the end of existing value in the cache for the given key.
MemcachedAddSuffixKeyGroup	Adds a value at the end of existing value in the cache for the given key on a group of servers.
MemcachedAssign	Modifies a key/value couple in the Memcached cache: If the key exists, the value is modified. If the key does not exist, the key/value couple is added.
MemcachedAssignKeyGroup	Modifies a key/value couple in the Memcached cache on a group of servers: If the key exists, the value is modified. If the key does not exist, the key/value couple is added.
MemcachedCAS	Modifies the value of a key if this one was not modified.
MemcachedCASKeyGroup	Modifies the value of a key on a group of servers if this one was not modified.
MemcachedDecrement	Decrements the value associated with a key. The key is created if it does not exist.
MemcachedDecrementKeyGroup	Decrements the value associated with a key on a group of servers.
MemcachedDelete	Deletes a key from the Memcached cache.
MemcachedDeleteKeyGroup	Deletes a key from the Memcached cache on a group of servers.
MemcachedGetKeyGroup	Retrieves the values of keys stored on a group of Memcached servers.
MemcachedIncrement	Increments the value associated with a key.
MemcachedIncrementKeyGroup	Increments the value associated with a key on a group of servers.
MemcachedModify	Modifies a key/value couple in the Memcached cache.
MemcachedModifyKeyGroup	Modifies a key/value couple in the Memcached cache on a group of servers.
MemcacheGet	Retrieves the values of keys stored on a Memcached server.