Niall Gallagher

It would be beneficial if `ConcurrentIndexedCollection` and `ObjectLockingIndexedCollection` supported the [STRICT_REPLACEMENT](https://github.com/npgall/cqengine/blob/4c70d5ee1d53ae26f171d779ef4f9ac4230a09d8/code/src/main/java/com/googlecode/cqengine/TransactionalIndexedCollection.java#L212) feature that is supported in `TransactionalIndexedCollection`. The check would not be atomic/transactional in those collections. (In fact it would...

Currently CQEngine allows the built-in Query objects such as `Equal`, `Between` etc. to be subclassed. However CQEngine's built-in indexes will only report that they support the specific types of queries...

Consider improving generic method signatures

1

See discussion on stackoverflow: [Generic method restriction circumvention in a 3rd party library](http://stackoverflow.com/questions/33433703/generic-method-restriction-circumvention-in-a-3rd-party-library).