alluxio.worker.block.reviewer

Interface Reviewer

All Known Implementing Classes:

AcceptingReviewer, ProbabilisticBufferReviewer

@PublicApi
public interface Reviewer

(Experimental) The API is subject to change in the future. Interface for the review policy of allocation decision made by Allocator. Each Allocator has a Reviewer instance according to the policy definition. For each block allocation decision, the Reviewer reviews it according to the criteria defined in the policy. If the allocation does not meet the criteria, the Reviewer will reject it.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	Reviewer.Factory Factory for Reviewer.

Method Summary

Modifier and Type	Method and Description
boolean	acceptAllocation(StorageDirView dirView) Reviews an allocation proposed by the Allocator.

Method Detail

acceptAllocation

boolean acceptAllocation(StorageDirView dirView)

Reviews an allocation proposed by the Allocator. Returning true means the allocation is accepted. Returning false meanes the allocation is rejected.

Parameters:

dirView - the storage dir that the block is allocated to

Returns:

whether the allocation is accepted