Merge pull request #627 from corda/mnesbit-servicehub-cleanup2

Remove scheduler service from ServiceHub

core/src/main/kotlin/net/corda/core/node/ServiceHub.kt

@@ -39,7 +39,6 @@ interface ServiceHub : ServicesForResolution {
     val keyManagementService: KeyManagementService
     override val storageService: StorageService
     val networkMapCache: NetworkMapCache
-    val schedulerService: SchedulerService
     val transactionVerifierService: TransactionVerifierService
     val clock: Clock
     val myInfo: NodeInfo

core/src/main/kotlin/net/corda/core/node/services/Services.kt

@@ -363,28 +363,6 @@ interface TxWritableStorageService : StorageService {
     override val validatedTransactions: TransactionStorage
 }
 
-/**
- * Provides access to schedule activity at some point in time.  This interface might well be expanded to
- * increase the feature set in the future.
- *
- * If the point in time is in the past, the expectation is that the activity will happen shortly after it is scheduled.
- *
- * The main consumer initially is an observer of the vault to schedule activities based on transactions as they are
- * recorded.
- */
-interface SchedulerService {
-    /**
-     * Schedule a new activity for a TX output, probably because it was just produced.
-     *
-     * Only one activity can be scheduled for a particular [StateRef] at any one time.  Scheduling a [ScheduledStateRef]
-     * replaces any previously scheduled [ScheduledStateRef] for any one [StateRef].
-     */
-    fun scheduleStateActivity(action: ScheduledStateRef)
-
-    /** Unschedule all activity for a TX output, probably because it was consumed. */
-    fun unscheduleStateActivity(ref: StateRef)
-}
-
 /**
  * Provides verification service. The implementation may be a simple in-memory verify() call or perhaps an IPC/RPC.
  */