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:
- Serializable, Cloneable, Iterable<E>, Collection<E>, Set<E>
public class LRUSet<E>
- extends AbstractSet<E>
- implements Set<E>, Cloneable, Serializable
A Simple LRU Set
- Version:
- $Revision$
- 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. |
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:
IllegalArgumentException
- if the initial capacity is negative or the load factor is
non-positive.
iterator
public Iterator<E> iterator()
- Specified by:
iterator
in interface Iterable<E>
- Specified by:
iterator
in interface Collection<E>
- Specified by:
iterator
in interface Set<E>
- Specified by:
iterator
in class AbstractCollection<E>
size
public int size()
- Specified by:
size
in interface Collection<E>
- Specified by:
size
in interface Set<E>
- Specified by:
size
in class AbstractCollection<E>
isEmpty
public boolean isEmpty()
- Specified by:
isEmpty
in interface Collection<E>
- Specified by:
isEmpty
in interface Set<E>
- Overrides:
isEmpty
in class AbstractCollection<E>
contains
public boolean contains(Object o)
- Specified by:
contains
in interface Collection<E>
- Specified by:
contains
in interface Set<E>
- Overrides:
contains
in class AbstractCollection<E>
add
public boolean add(E o)
- Specified by:
add
in interface Collection<E>
- Specified by:
add
in interface Set<E>
- Overrides:
add
in class AbstractCollection<E>
remove
public boolean remove(Object o)
- Specified by:
remove
in interface Collection<E>
- Specified by:
remove
in interface Set<E>
- Overrides:
remove
in class AbstractCollection<E>
clear
public void clear()
- Specified by:
clear
in interface Collection<E>
- Specified by:
clear
in interface Set<E>
- Overrides:
clear
in class AbstractCollection<E>
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