# Uses of Package
org.apache.cassandra.utils.concurrent

Packages that use org.apache.cassandra.utils.concurrent
Package | Description
--- | ---
org.apache.cassandra.db |
org.apache.cassandra.db.commitlog |
org.apache.cassandra.db.index |
org.apache.cassandra.db.index.composites |
org.apache.cassandra.service |
org.apache.cassandra.utils.concurrent |
org.apache.cassandra.utils.memory |

Classes in org.apache.cassandra.utils.concurrent used by org.apache.cassandra.db
Class and Description
OpOrder A class for providing synchronization between producers and consumers that do not communicate directly with each other, but where the consumers need to process their work in contiguous batches.
OpOrder.Group Represents a group of identically ordered operations, i.e.

Classes in org.apache.cassandra.utils.concurrent used by org.apache.cassandra.db.commitlog
Class and Description
WaitQueue A relatively easy to use utility for general purpose thread signalling.
WaitQueue.Signal A Signal is a one-time-use mechanism for a thread to wait for notification that some condition state has transitioned that it may be interested in (and hence should check if it is).

Classes in org.apache.cassandra.utils.concurrent used by org.apache.cassandra.db.index
Class and Description
OpOrder.Group Represents a group of identically ordered operations, i.e.

Classes in org.apache.cassandra.utils.concurrent used by org.apache.cassandra.db.index.composites
Class and Description
OpOrder.Group Represents a group of identically ordered operations, i.e.

Classes in org.apache.cassandra.utils.concurrent used by org.apache.cassandra.service
Class and Description
SimpleCondition

Classes in org.apache.cassandra.utils.concurrent used by org.apache.cassandra.utils.concurrent
Class and Description
OpOrder.Barrier This class represents a synchronisation point providing ordering guarantees on operations started against the enclosing OpOrder.
OpOrder.Group Represents a group of identically ordered operations, i.e.
WaitQueue.Signal A Signal is a one-time-use mechanism for a thread to wait for notification that some condition state has transitioned that it may be interested in (and hence should check if it is).

Classes in org.apache.cassandra.utils.concurrent used by org.apache.cassandra.utils.memory
Class and Description
OpOrder.Group Represents a group of identically ordered operations, i.e.
WaitQueue A relatively easy to use utility for general purpose thread signalling.