[HIVE-22202] Remove unnecessary code from ObjectStore.java

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 4.0.0-alpha-1
• Component/s: Hive, Metastore, Standalone Metastore
• Assignee: Hankó Gergely
• Reporter: Hankó Gergely
• Created: 13/Sep/19 13:25
• Updated: 17/Nov/22 08:50
• Resolved: 20/Sep/19 08:31

Description

Remove unnecessary code

• remove unnecessary/unused variables
• remove unused private methods
• remove unnecessary throws declarations
• remove unnecessary conditionals that are guaranteed to always give the same result
• simplify collection handling

• • use member sort() instead of Collections.sort()
  • use addAll() instead of adding one-by-one in a loop
• remove Javadoc that doesn't give additional information
• use try with resource where possible
• remove unnecessary explicit type arguments
• remove redundant warning suppression