Package org.apache.bookkeeper.client

Interface SpeculativeRequestExecutor

All Known Implementing Classes:
BatchedReadOp.BatchedLedgerEntryRequest, BatchedReadOp.SequenceReadRequest, PendingReadOp.ParallelReadRequest, PendingReadOp.SequenceReadRequest, PendingReadOp.SingleLedgerEntryRequest, ReadLastConfirmedAndEntryOp, ReadOpBase.LedgerEntryRequest
public interface SpeculativeRequestExecutor
Define an executor for issuing speculative requests.

If the implementation can issue a speculative read, it should return true to indicate a speculative request should be issued. Otherwise, return false.

Since:
4.5

  • Method Summary

    Modifier and Type
    Method
    Description
    com.google.common.util.concurrent.ListenableFuture<Boolean>
    issueSpeculativeRequest()
    Issues a speculative request and indicates if more speculative requests should be issued.

  • Method Details

    • issueSpeculativeRequest

      com.google.common.util.concurrent.ListenableFuture<Boolean> issueSpeculativeRequest()
      Issues a speculative request and indicates if more speculative requests should be issued.
      Returns:
      whether more speculative requests should be issued