Long2LongHashMap.ValueCollection (Agrona)

java.lang.Object

java.util.AbstractCollection<Long>

org.agrona.collections.Long2LongHashMap.ValueCollection

All Implemented Interfaces:: Iterable<Long>, Collection<Long>

Enclosing class:: Long2LongHashMap

public final class Long2LongHashMap.ValueCollection extends AbstractCollection<Long>

Collection of values which supports optionally cached iterators to avoid allocation.

Constructor Summary

Constructors

Constructor

Description

ValueCollection()

Create a new instance.
Method Summary

Modifier and Type

Method

Description

boolean

contains(long value)

Checks if the value is contained in the map.

boolean

contains(Object o)

Long2LongHashMap.ValueIterator

iterator()

boolean

removeIfLong(LongPredicate filter)

Removes all the elements of this collection that satisfy the given predicate.

int

size()

Methods inherited from class java.util.AbstractCollection
add, addAll, clear, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

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

Methods inherited from interface java.util.Collection
equals, hashCode, parallelStream, removeIf, spliterator, stream, toArray

Methods inherited from interface java.lang.Iterable
forEach

Constructor Details
- ValueCollection
  
  public ValueCollection()
  
  Create a new instance.
Method Details
- iterator
  
  public Long2LongHashMap.ValueIterator iterator()
  
  Specified by:
  
  iterator in interface Collection<Long>
  
  Specified by:
  
  iterator in interface Iterable<Long>
  
  Specified by:
  
  iterator in class AbstractCollection<Long>
- size
  
  public int size()
  
  Specified by:
  
  size in interface Collection<Long>
  
  Specified by:
  
  size in class AbstractCollection<Long>
- contains
  
  public boolean contains(Object o)
  
  Specified by:
  
  contains in interface Collection<Long>
  
  Overrides:
  
  contains in class AbstractCollection<Long>
- contains
  
  public boolean contains(long value)
  
  Checks if the value is contained in the map.
  
  Parameters:
  
  value - to be checked.
  
  Returns:
  
  true if value is contained in this map.
- removeIfLong
  
  public boolean removeIfLong(LongPredicate filter)
  
  Removes all the elements of this collection that satisfy the given predicate.
  NB: Renamed from removeIf to avoid overloading on parameter types of lambda expression, which doesn't play well with type inference in lambda expressions.
  
  Parameters:
  
  filter - a predicate to apply.
  
  Returns:
  
  true if at least one value was removed.