| Package | Description | 
|---|---|
| com.hazelcast.collection.impl.queue | |
| com.hazelcast.collection.impl.txnqueue | 
| Modifier and Type | Method and Description | 
|---|---|
| QueueItem | QueueContainer. peek()Retrieves, but does not remove, the head of this queue, or returns  nullif this queue is empty. | 
| QueueItem | QueueContainer. poll()Retrieves and removes the head of the queue (in other words, the first item), or returns  nullif it is empty. | 
| QueueItem | QueueContainer. txnPeek(long offerId,
       String transactionId)Retrieves, but does not remove, the head of the queue. | 
| QueueItem | QueueContainer. txnPollReserve(long reservedOfferId,
              String transactionId)Retrieves and removes the head of the queue and loads the data from the queue store if the data is not stored in-memory
 and the queue store is configured and enabled. | 
| Modifier and Type | Method and Description | 
|---|---|
| Deque<QueueItem> | QueueContainer. getItemQueue() | 
| Modifier and Type | Method and Description | 
|---|---|
| int | QueueItem. compareTo(QueueItem o) | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | TxQueueItemTransactional Queue Item. | 
| Constructor and Description | 
|---|
| TxQueueItem(QueueItem item) | 
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