8.2. Asynchronous API Benefits
The asynchronous API does not block, which provides multiple benefits, such as:
- The guarantee of synchronous communication, with the added ability to handle failures and exceptions.
- Not being required to block a thread's operations until the call completes.
These benefits allow you to better harness the parallelism in your system, for example:
Set<Future<?>> futures = new HashSet<Future<?>>();
futures.add(cache.putAsync("key1", "value1"));
futures.add(cache.putAsync("key2", "value2"));
futures.add(cache.putAsync("key3", "value3"));
In the example, The following lines do not block the thread as they execute:
futures.add(cache.putAsync(key1, value1));futures.add(cache.putAsync(key2, value2));futures.add(cache.putAsync(key3, value3));
The remote calls from the three put operations are executed in parallel. This is particularly useful when executed in distributed mode.
