service

Type Members

1. class BatchedDeltaService[K, V] extends BatchedService[K, V]

   

   Use this when you have written JUST BEFORE the store.

   Use this when you have written JUST BEFORE the store. This is what you get from an IntermediateWrite in Builder API.

2. trait BatchedWindowService[K, V] extends BatchedService[K, V]

   

   This is a service that has a finite memory.

   This is a service that has a finite memory. There is a materialized stream on disk, but the service only serves the data if: 0 < t(incoming key) - t(service key) < t(window) To use this you need to implement: windowSize readStream batcher ordering reducers

3. class EmptyService[K, V] extends ExternalService[K, V]

   

4. trait SimpleService[K, V] extends ExternalService[K, V]

   

   A UniqueKeyedService covers the case where Keys are globally unique and either are not present or have one value.

   A UniqueKeyedService covers the case where Keys are globally unique and either are not present or have one value. Examples could be Keys which are Unique IDs, such as UserIDs, content IDs, cryptographic hashes, etc...

5. trait SimpleWindowedService[K, V] extends BatchedWindowService[K, V]

   

   More familiar interface to scalding users that creates the Reader from two other methods

6. trait SourceUniqueKeyedService[S <: scalding.Source, K, V] extends UniqueKeyedService[K, V]

   

7. trait UniqueKeyedService[K, V] extends SimpleService[K, V]

   

   A UniqueKeyedService covers the case where Keys are globally unique and either are not present or have one value.

   A UniqueKeyedService covers the case where Keys are globally unique and either are not present or have one value. Examples could be Keys which are Unique IDs, such as UserIDs, content IDs, cryptographic hashes, etc...