Is there some good approach which would cover next scenario?

1. We have two nodes with Cache<String, String> testCache

2. Node1: testCache.put("1", "test")

3. Node2: testCache.get("1") - "test"

4. Node2: String text = testCache.get("1");

                           text = "changed test";

5. Node1: testCache.get("1") - "test"

Basically what I would like to achieve is change in cache by reference. In step 5. I would like get text = "changed test";

Currently I think changes are only propagated only when testCache.put() is invoked. Is there any approach with which I can do changes to mutable object only by reference without invoking put command on cache?

Thanks