Andrey Mashenkov created IGNITE-24215:
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Summary: Improve internal Catalog API
Key: IGNITE-24215
URL: https://issues.apache.org/jira/browse/IGNITE-24215
Project: Ignite
Issue Type: Improvement
Reporter: Andrey Mashenkov
On one hand, `Catalog` class is an internal container for descriptors and
wasn't designed to be used directly outside the module.
On the other hand `CatalogService` interface has a bunch of similar methods for
accessing catalog internals.
Let's disclose `Catalog` class, describe it in README_MD for module, write
javadocs and maybe add some shortcut method (e.g. `table(schemaName,
tableName)`)
Let's remove all the methods, which returns `Catalog` class internals, from
`CatalogService`.
So, `CatalogService` should have few methods that answer the question:
* which catalog version is actual at point-in-time
* which catalog version is earliest/latest
* when catalog is initialized/catalog version is ready by returning a future.
* gets `Catalog` snapshot for version/point-in-time
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