Package org.apache.flink.runtime.state

Interface KeyGroupsList

All Superinterfaces:
Iterable<Integer>
All Known Implementing Classes:
KeyGroupRange
public interface KeyGroupsList extends Iterable<Integer>
This interface offers ordered random read access to multiple key group ids.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    contains(int keyGroupId)
    Returns true, if the given key group id is contained in the list, otherwise false.
    int
    getKeyGroupId(int idx)
    Returns the id of the keygroup at the given index, where index in interval [0, getNumberOfKeyGroups()[.
    int
    getNumberOfKeyGroups()
    Returns the number of key group ids in the list.

    Methods inherited from interface java.lang.Iterable

    forEach, iterator, spliterator

  • Method Details

    • getNumberOfKeyGroups

      int getNumberOfKeyGroups()
      Returns the number of key group ids in the list.

    • getKeyGroupId

      int getKeyGroupId(int idx)
      Returns the id of the keygroup at the given index, where index in interval [0, getNumberOfKeyGroups()[.
      Parameters:
      idx - the index into the list
      Returns:
      key group id at the given index

    • contains

      boolean contains(int keyGroupId)
      Returns true, if the given key group id is contained in the list, otherwise false.