Nikita Timofeev created CAY-2416:
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Summary: Change TreeMap for HashMap to store data in Cayenne model
classes
Key: CAY-2416
URL: https://issues.apache.org/jira/browse/CAY-2416
Project: Cayenne
Issue Type: Improvement
Components: Core Library, Modeler, Non-GUI Tools
Reporter: Nikita Timofeev
Assignee: Nikita Timofeev
Fix For: 4.1.M2
Cayenne uses {{TreeMap}} internally to keep all model-related entities sorted
(Entities, Attributes, Relationships, etc.)
But eventually ordering is needed only for tools (e.g. Modeler), while in
runtime it only creates unnecessary performance overhead.
So we can use {{HashMap}} for runtime and sort data explicitly where it is
really needed (project saving, UI, etc.)
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