Using settable future to wait for completion. The value of settable future is set on scheduled task callback completion. Fixes #40
Merge branch 'master' of https://github.com/datastax/cassandra-driver-spark into issue-40
Fixed overcomplicated implementation. Fixes #40
Merge pull request #49 from datastax/issue-40

Using settable future to wait for completion. The value of settable futu...