Maxim Muzafarov created IGNITE-17022:
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Summary: Implement interceptors for Ignite Services
Key: IGNITE-17022
URL: https://issues.apache.org/jira/browse/IGNITE-17022
Project: Ignite
Issue Type: Improvement
Reporter: Maxim Muzafarov
Fix For: 2.14
Currenlty, Ignite Services has a lack of support execution a custom middleware
process before and after a service execution. This leads to a lot of
boilerplate code.
The IEP-79 describes a draft API of such a feature implementation:
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=191334119
However, we still need to consider additional crucial points of such API:
- sync or async listeners/interceptors execution (some of processes may require
to set and clear threadlocals);
- an exception in the inteceptrod should or should not interrupt a service
execution;
- {{context}} may need to be accessible inside interceptors and services;
Also we need to add description about what kind of the {{guarantees}} are
provided by Ignite server node during a service execution. It may be necessary
to consider the service-per-thread execution logic.
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