PrimaryKeys (apache-cassandra API)

java.lang.Object

org.apache.cassandra.index.sai.utils.PrimaryKeys

All Implemented Interfaces:: Iterable<PrimaryKey>

@ThreadSafe public class PrimaryKeys extends Object implements Iterable<PrimaryKey>

A sorted set of PrimaryKeys. The primary keys are sorted first by token, then by partition key value, and then by clustering.

Constructor Summary

Constructors

Constructor

Description

PrimaryKeys()
Method Summary

Modifier and Type

Method

Description

long

add(PrimaryKey key)

Adds a PrimaryKey and returns the on-heap memory used if the key was added

boolean

isEmpty()

Iterator<PrimaryKey>

iterator()

SortedSet<PrimaryKey>

keys()

int

size()

long

unsharedHeapSize()

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable
forEach, spliterator

Constructor Details
- PrimaryKeys
  
  public PrimaryKeys()
Method Details
- add
  
  public long add(PrimaryKey key)
  
  Adds a PrimaryKey and returns the on-heap memory used if the key was added
- keys
  
  public SortedSet<PrimaryKey> keys()
- size
  
  public int size()
- isEmpty
  
  public boolean isEmpty()
- unsharedHeapSize
  
  public long unsharedHeapSize()
- iterator
  
  public Iterator<PrimaryKey> iterator()
  
  Specified by:
  
  iterator in interface Iterable<PrimaryKey>