public class InMemoryQueuePersistor<T> extends java.lang.Object implements QueuePersistor<T>
QueuePersistor implementations that stores items in-memory.| Constructor and Description |
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InMemoryQueuePersistor() |
| Modifier and Type | Method and Description |
|---|---|
void |
close()
Release any internal resources used by the persistence mechanism.
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T |
get(java.lang.Long idx)
Return the item with the given id.
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boolean |
hasNext()
Are there more items waiting to be returned?
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java.util.Iterator<T> |
iterator() |
long |
lastId()
Get the value of the last item to have been persisted.
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java.lang.Long |
offer(T obj)
Persist and return the last Long id of the item.
|
java.lang.Long |
offerAll(java.util.Collection<T> t)
Persist N items in batch and return a Long id of the last item.
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java.util.Map<java.lang.Long,T> |
refMap() |
T |
remove()
Remove the oldest item from the persistence queue.
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long |
size()
Get the number of items persisted right now.
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public long lastId()
QueuePersistorlastId in interface QueuePersistor<T>public long size()
QueuePersistorsize in interface QueuePersistor<T>public boolean hasNext()
QueuePersistorhasNext in interface QueuePersistor<T>true if items can be retrieved from this persistor, false otherwisepublic java.util.Iterator<T> iterator()
iterator in interface java.lang.Iterable<T>public java.lang.Long offer(@Nonnull
T obj)
QueuePersistoroffer in interface QueuePersistor<T>obj - element to persistpublic java.lang.Long offerAll(@Nonnull
java.util.Collection<T> t)
QueuePersistorofferAll in interface QueuePersistor<T>t - element to persistpublic T get(java.lang.Long idx)
QueuePersistorget in interface QueuePersistor<T>idx - the given index to lookuppublic T remove()
QueuePersistorremove in interface QueuePersistor<T>public void close()
QueuePersistorclose in interface QueuePersistor<T>public java.util.Map<java.lang.Long,T> refMap()