Class SynchronizedCollection<E>
java.lang.Object
org.apache.commons.collections4.collection.SynchronizedCollection<E>
- Type Parameters:
E- the type of the elements in the collection
- All Implemented Interfaces:
Serializable,Iterable<E>,Collection<E>
- Direct Known Subclasses:
SynchronizedBag,SynchronizedMultiSet,SynchronizedQueue
Decorates another
Collection to synchronize its behaviour
for a multi-threaded environment.
Iterators must be manually synchronized:
synchronized (coll) {
Iterator it = coll.iterator();
// do stuff with iterator
}
This class is Serializable from Commons Collections 3.1.
- Since:
- 3.0
- See Also:
-
Method Summary
Modifier and TypeMethodDescriptionbooleanbooleanaddAll(Collection<? extends E> coll) voidclear()booleanbooleancontainsAll(Collection<?> coll) booleaninthashCode()booleanisEmpty()iterator()Iterators must be manually synchronized.booleanbooleanremoveAll(Collection<?> coll) booleanbooleanretainAll(Collection<?> coll) intsize()static <T> SynchronizedCollection<T> synchronizedCollection(Collection<T> coll) Factory method to create a synchronized collection.Object[]toArray()<T> T[]toArray(T[] object) toString()Methods inherited from interface java.util.Collection
parallelStream, spliterator, stream, toArray
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Method Details
-
synchronizedCollection
Factory method to create a synchronized collection.- Type Parameters:
T- the type of the elements in the collection- Parameters:
coll- the collection to decorate, must not be null- Returns:
- a new synchronized collection
- Throws:
NullPointerException- if collection is null- Since:
- 4.0
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add
- Specified by:
addin interfaceCollection<E>
-
addAll
- Specified by:
addAllin interfaceCollection<E>
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clear
public void clear()- Specified by:
clearin interfaceCollection<E>
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contains
- Specified by:
containsin interfaceCollection<E>
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containsAll
- Specified by:
containsAllin interfaceCollection<E>
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isEmpty
public boolean isEmpty()- Specified by:
isEmptyin interfaceCollection<E>
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iterator
Iterators must be manually synchronized.synchronized (coll) { Iterator it = coll.iterator(); // do stuff with iterator } -
toArray
- Specified by:
toArrayin interfaceCollection<E>
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toArray
public <T> T[] toArray(T[] object) - Specified by:
toArrayin interfaceCollection<E>
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remove
- Specified by:
removein interfaceCollection<E>
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removeIf
- Specified by:
removeIfin interfaceCollection<E>- Since:
- 4.4
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removeAll
- Specified by:
removeAllin interfaceCollection<E>
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retainAll
- Specified by:
retainAllin interfaceCollection<E>
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size
public int size()- Specified by:
sizein interfaceCollection<E>
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equals
- Specified by:
equalsin interfaceCollection<E>- Overrides:
equalsin classObject
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hashCode
public int hashCode()- Specified by:
hashCodein interfaceCollection<E>- Overrides:
hashCodein classObject
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toString
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