Destroy all data and metadata related to this broadcast variable.
Destroy all data and metadata related to this broadcast variable. Use this with caution; once a broadcast variable has been destroyed, it cannot be used again. This method blocks until destroy has completed
Delete cached copies of this broadcast on the executors.
Delete cached copies of this broadcast on the executors. If the broadcast is used after this is called, it will need to be re-sent to each executor.
Whether to block until unpersisting has completed
Asynchronously delete cached copies of this broadcast on the executors.
Asynchronously delete cached copies of this broadcast on the executors. If the broadcast is used after this is called, it will need to be re-sent to each executor.
Get the broadcasted value.