Package org.apache.wiki.util
Class TimedCounterList<T>
java.lang.Object
java.util.AbstractCollection<E>
java.util.AbstractList<T>
org.apache.wiki.util.TimedCounterList<T>
- Type Parameters:
T- The class you wish to store here
- All Implemented Interfaces:
Iterable<T>,Collection<T>,List<T>
Provides a List in which all items store their addition time. This
can then be used to clean the list from old items.
This class is thread-safe - all modifications are blocking, but reading is non-blocking (unless a write is ongoing).
- Since:
- 2.8
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Field Summary
Fields inherited from class java.util.AbstractList
modCount -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidvoidcleanup(long maxage) Performs a cleanup of all items older than maxage.intReturns the count how many times this object is available in this list, using equals().get(int index) longgetAddTime(int index) Returns the time when this particular item was added on the list.remove(int index) intsize()Methods inherited from class java.util.AbstractList
add, addAll, clear, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, removeRange, subListMethods inherited from class java.util.AbstractCollection
addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toStringMethods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, waitMethods inherited from interface java.util.Collection
parallelStream, removeIf, stream, toArrayMethods inherited from interface java.util.List
addAll, contains, containsAll, isEmpty, remove, removeAll, replaceAll, retainAll, sort, spliterator, toArray, toArray
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Constructor Details
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TimedCounterList
public TimedCounterList()
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Method Details
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set
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get
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size
- Specified by:
sizein interfaceCollection<T>- Specified by:
sizein interfaceList<T>- Specified by:
sizein classAbstractCollection<T>
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add
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remove
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count
Returns the count how many times this object is available in this list, using equals().- Parameters:
obj- The object to count.- Returns:
- The count of the objects.
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cleanup
Performs a cleanup of all items older than maxage.- Parameters:
maxage- The maximum age in milliseconds after an item is removed.
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getAddTime
Returns the time when this particular item was added on the list.- Parameters:
index- The index of the object.- Returns:
- The addition time in milliseconds (@see System.currentTimeMillis()).
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