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The WSO2 EI mediator catalog

Category

Name

Description

Core











CallInvoke a service in non blocking synchronous manner
EnqueueUses a priority executor to ensure high-priority messages are not dropped

Send

Sends a message

Loopback

Moves the message from the In flow to the Out flow, skipping all remaining configuration in the In flow

Sequence

Inserts a reference to a sequence

RespondStops processing on the message and sends it back to the client
Event

Sends event notifications to an event source, publishes messages to predefined topics

Drop

Drops a message

Call TemplateConstructs a sequence by passing values into a sequence template

Enrich

Enriches a message

Property

Sets or remove properties associated with the message

Log

Logs a message

Filter







Filter

Filters a message using XPath, if-else kind of logic

Out

Applies to messages that are in the Out path of the ESB profile

In

Applies to messages that are in the In path of the ESB profile

ValidateValidates XML messages against a specified schema.

Switch

Filters messages using XPath, switch logic

Router

Routes messages based on XPath filtering

Conditional Router

Implements complex routing rules (Header based routing, content based routing and other rules)

Anchor
transform
transform

Transform






XSLT

Performs XSLT transformations on the XML payload

FastXSLTPerforms XSLT transformations on the message stream

URLRewrite

Modifies and rewrites URLs or URL fragments

XQueryPerforms XQuery transformation

Header

Sets or removes SOAP headers

Fault (also called Makefault)

Create SOAP Faults

PayloadFactoryTransforms or replaces message content in between the client and the backend server

Advanced

















Cache

Evaluates messages based on whether the same message came to the ESB profile

ForEachSplits a message into a number of different messages by finding matching elements in an XPath expression of the original message.

Clone

Clones a message

Store

Stores messages in a predefined message store

Iterate

Splits a message

Aggregate

Combines a message

Callout

Blocks web services calls

Transaction

Executes a set of mediators transactionally

Throttle

Limits the number of messages

DBReport

Writes data to database

DBLookup

Retrieves information from database

EJBCalls an external Enterprise JavaBean(EJB) and stores the result in the message payload or in a message context property.

Rule

Executes rules

Entitlement

Evaluates user actions against a XACML policy

OAuth

2-legged OAuth support

SmooksUsed to apply lightweight transformations on messages in an efficient manner.
Data MapperConverts and transforms one data format to another, or changes the structure of the data in a message. 
Extension





BeanManipulates JavaBeans

Class

Creates and executes a custom mediator

POJOCommand

Executes a custom command

Script

Executes a mediator written in Scripting language

Spring

Creates a mediator managed by Spring

AgentBAMCaptures data events and sends them to the BAM server