Class CouchbaseQueue<E>
- java.lang.Object
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- java.util.AbstractCollection<E>
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- java.util.AbstractQueue<E>
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- com.couchbase.client.java.datastructures.CouchbaseQueue<E>
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- Type Parameters:
E
- the type of values in the queue.
- All Implemented Interfaces:
Iterable<E>
,Collection<E>
,Queue<E>
@Committed public class CouchbaseQueue<E> extends AbstractQueue<E>
A CouchbaseQueue is aQueue
backed by aCouchbase
document (more specifically aJSON array
). Note that as such, a CouchbaseQueue is restricted to the types that aJSON array
can contain. JSON objects and sub-arrays can be represented asJsonObject
andJsonArray
respectively. Null values are not allowed as they have special meaning for thepeek()
andAbstractQueue.remove()
methods of a queue.- Since:
- 2.3.6
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Nested Class Summary
Nested Classes Modifier and Type Class Description class
CouchbaseQueue.CouchbaseQueueIterator<E>
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Constructor Summary
Constructors Constructor Description CouchbaseQueue(String id, Collection collection, Class<E> entityType, QueueOptions options)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
clear()
Iterator<E>
iterator()
boolean
offer(E e)
E
peek()
E
poll()
int
size()
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Methods inherited from class java.util.AbstractQueue
add, addAll, element, remove
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Methods inherited from class java.util.AbstractCollection
contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface java.util.Collection
contains, containsAll, equals, hashCode, isEmpty, parallelStream, remove, removeAll, removeIf, retainAll, spliterator, stream, toArray, toArray, toArray
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Constructor Detail
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CouchbaseQueue
public CouchbaseQueue(String id, Collection collection, Class<E> entityType, QueueOptions options)
Create a newCouchbase-backed
Queue, backed by the document identified byid
inbucket
. Note that if the document already exists, its content will be used as initial content for this collection. Otherwise it is created empty.- Parameters:
id
- the id of the Couchbase document to back the queue.collection
- theCollection
through which to interact with the document.entityType
- aClass
describing the type of objects in this Set.options
- aCommonDatastructureOptions
to use for all operations on this instance of the queue.
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Method Detail
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iterator
public Iterator<E> iterator()
- Specified by:
iterator
in interfaceCollection<E>
- Specified by:
iterator
in interfaceIterable<E>
- Specified by:
iterator
in classAbstractCollection<E>
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size
public int size()
- Specified by:
size
in interfaceCollection<E>
- Specified by:
size
in classAbstractCollection<E>
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clear
public void clear()
- Specified by:
clear
in interfaceCollection<E>
- Overrides:
clear
in classAbstractQueue<E>
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offer
public boolean offer(E e)
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poll
public E poll()
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peek
public E peek()
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