org.apache.activemq.util
Class LRUSet<E>
java.lang.Object
java.util.AbstractCollection<E>
java.util.AbstractSet<E>
org.apache.activemq.util.LRUSet<E>
- Type Parameters:
K
- V
-
- All Implemented Interfaces:
- java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<E>, java.util.Collection<E>, java.util.Set<E>
public class LRUSet<E>
- extends java.util.AbstractSet<E>
- implements java.util.Set<E>, java.lang.Cloneable, java.io.Serializable
A Simple LRU Set
- See Also:
- Serialized Form
Constructor Summary |
LRUSet()
Default constructor for an LRU Cache The default capacity is 10000 |
LRUSet(int maximumCacheSize)
Constructs a LRUCache with a maximum capacity |
LRUSet(int initialCapacity,
int maximumCacheSize,
float loadFactor,
boolean accessOrder)
Constructs an empty LRUCache instance with the specified
initial capacity, maximumCacheSize,load factor and ordering mode. |
Methods inherited from class java.util.AbstractSet |
equals, hashCode, removeAll |
Methods inherited from class java.util.AbstractCollection |
addAll, containsAll, retainAll, toArray, toArray, toString |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface java.util.Set |
addAll, containsAll, equals, hashCode, removeAll, retainAll, toArray, toArray |
LRUSet
public LRUSet()
- Default constructor for an LRU Cache The default capacity is 10000
LRUSet
public LRUSet(int maximumCacheSize)
- Constructs a LRUCache with a maximum capacity
- Parameters:
maximumCacheSize
-
LRUSet
public LRUSet(int initialCapacity,
int maximumCacheSize,
float loadFactor,
boolean accessOrder)
- Constructs an empty LRUCache instance with the specified
initial capacity, maximumCacheSize,load factor and ordering mode.
- Parameters:
initialCapacity
- the initial capacity.maximumCacheSize
- loadFactor
- the load factor.accessOrder
- the ordering mode - true for access-order,
false for insertion-order.
- Throws:
java.lang.IllegalArgumentException
- if the initial capacity is negative or the load factor is
non-positive.
iterator
public java.util.Iterator<E> iterator()
- Specified by:
iterator
in interface java.lang.Iterable<E>
- Specified by:
iterator
in interface java.util.Collection<E>
- Specified by:
iterator
in interface java.util.Set<E>
- Specified by:
iterator
in class java.util.AbstractCollection<E>
size
public int size()
- Specified by:
size
in interface java.util.Collection<E>
- Specified by:
size
in interface java.util.Set<E>
- Specified by:
size
in class java.util.AbstractCollection<E>
isEmpty
public boolean isEmpty()
- Specified by:
isEmpty
in interface java.util.Collection<E>
- Specified by:
isEmpty
in interface java.util.Set<E>
- Overrides:
isEmpty
in class java.util.AbstractCollection<E>
contains
public boolean contains(java.lang.Object o)
- Specified by:
contains
in interface java.util.Collection<E>
- Specified by:
contains
in interface java.util.Set<E>
- Overrides:
contains
in class java.util.AbstractCollection<E>
add
public boolean add(E o)
- Specified by:
add
in interface java.util.Collection<E>
- Specified by:
add
in interface java.util.Set<E>
- Overrides:
add
in class java.util.AbstractCollection<E>
remove
public boolean remove(java.lang.Object o)
- Specified by:
remove
in interface java.util.Collection<E>
- Specified by:
remove
in interface java.util.Set<E>
- Overrides:
remove
in class java.util.AbstractCollection<E>
clear
public void clear()
- Specified by:
clear
in interface java.util.Collection<E>
- Specified by:
clear
in interface java.util.Set<E>
- Overrides:
clear
in class java.util.AbstractCollection<E>
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