| Value | Meaning |
|---|---|
| IDLE | In the queue, not in use. |
| ALLOCATED | In use. |
| EVICTION | In the queue, currently being tested for possible eviction. |
| EVICTION_RETURN_TO_HEAD | Not in the queue, currently being tested for possible eviction. An attempt to borrow the object was made while being tested which removed it from the queue. It should be returned to the head of the queue once eviction testing completes. TODO: Consider allocating object and ignoring the result of the eviction test. |
| VALIDATION | In the queue, currently being validated. |
| VALIDATION_PREALLOCATED | Not in queue, currently being validated. The object was borrowed while being validated and since testOnBorrow was configured, it was removed from the queue and pre-allocated. It should be allocated once validation completes. |
| VALIDATION_RETURN_TO_HEAD | Not in queue, currently being validated. An attempt to borrow the object was made while previously being tested for eviction which removed it from the queue. It should be returned to the head of the queue once validation completes. |
| INVALID | Failed maintenance (e.g. eviction test or validation) and will be / has been destroyed |
| ABANDONED | Deemed abandoned, to be invalidated. |
| RETURNING | Returning to the pool. |
Provides the possible states that a {@link PooledObject} may be in.