Vladimir Ozerov created IGNITE-2977:
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Summary: Implement generic ability to invoke Java code from
non-Java platforms.
Key: IGNITE-2977
URL: https://issues.apache.org/jira/browse/IGNITE-2977
Project: Ignite
Issue Type: Task
Components: platforms
Affects Versions: 1.5.0.final
Reporter: Vladimir Ozerov
Assignee: Vladimir Ozerov
Priority: Critical
Fix For: 1.6
*Problem*
Sometimes user could have mixed cluster when some nodes are running Java and
some nodes running in platform mode. Obviously, in such deployments it is
impossible to invoke non-Java code on Java nodes.
It appears to be a serious limitation for users. For example, if cache nodes
are Java-only, it is impossible to set remote filter from .NET.
Known problematic places:
- Remote filter in continuous query
- Compute API
- Scan Queries
- Cache.invokes
- "load cache" with non-null predicate
- services
- messaging remote listener
- events remote query
*Proposed solution*
1) Define two new types:
{{JavaObject}} - encoded Java object; identified by a fully-qualified class
name and a map of properties.
{{JavaObjectFactory}} - factory object for more complex cases when some
additional logic on Java side is required. Factory must support injections.
2) Implement corresponding wrappers in .NET/CPP and ensure they are unwrapped
correctly.
3) Support individual features from the list above.
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