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Built-in mediator capabilities of the ESB provide functionality to match incompatible protocols, data formats and interaction patterns across different resources. Data can be split, cloned, aggregated and enriched, allowing ESB to match the different capabilities of services. XQuery and XSLT allow rich transformations on the messages. Rule-based message mediation allows users to cope with the uncertainty of business logic. Content-based routing using XPath filtering is supported in different flavors, allowing users to get the most convenient configuration experience. Built-in capability to handle transactions Transactions allows message mediation to be done transactionally inside the ESB. With the eventing capabilities of ESB, EDA based components can be easily interconnected. With features like throttling and caching integrated in to the message mediation, powerful interconnections can be made, allowing ESB to be used in the front-end of an organization's SOA infrastructure.
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A mediation sequence, commonly called a "sequence", is a list of mediators. That means, it can hold other mediators and execute them. It is part of the ESB's core and message mediation cannot live without this mediator. When a message is delivered to a sequence, it sends the message through all its child mediators.
Read more in Mediation Sequences.
The Process of Message Mediation
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General information about message mediation, mediators, sequences, message mediation process in WSO2 ESB. |