[HELIX-109] Review Helix model package

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.7.0-incubating
• Component/s: helix-core, helix-webapp-admin
• Sprint: Sprint #3 9/9 - 10/1, Sprint #4 10/2 - 10/16
• Assignee: Kanak Biscuitwala
• Reporter: kishore gopalakrishna
• Created: 22/May/13 15:14
• Updated: 13/Nov/13 04:54
• Resolved: 13/Nov/13 04:54

Description

Helix model package does not have any class to represent a partition, replica, resource. All of these are strings and makes it difficult

Story: 13

Sub-Tasks

• clean up setting constraint api: Resolved
• Improve the helix config api: Resolved
• Create concrete id classes for constructs, replacing strings: Resolved
• Create a hierarchical logical model for the cluster: Resolved
• Create a hierarchical cluster snapshot to replace ClusterDataCache: Resolved
• Create helix-internal config classes for the hierarchical model: Resolved
• Create accessors for the logical model: Resolved
• List use cases for the logical model: Resolved
• Write the controller pipeline with the logical model: Resolved
• Re-integrate the scheduler rebalancing into the new controller pipeline: Resolved
• Fix failing tests related to helix model overhaul: Resolved
• Unify cluster setup and helixadmin: Resolved
• Resource logical model should be general enough to handle various resource types: Resolved
• Redesign rebalancers using rebalancer-specific configs: Resolved
• Refactor scheduler task config to comply with new rebalancer config and fix related scheduler task tests: Resolved
• Atomic API: Resolved