org.apache.bookkeeper.client

Interface SpeculativeRequestExecutor

All Known Implementing Classes:

PendingReadOp.LedgerEntryRequest, PendingReadOp.ParallelReadRequest, PendingReadOp.SequenceReadRequest, ReadLastConfirmedAndEntryOp

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

Method Detail

issueSpeculativeRequest

com.google.common.util.concurrent.ListenableFuture<java.lang.Boolean> issueSpeculativeRequest()

Issues a speculative request and indicates if more speculative requests should be issued.

Returns:

whether more speculative requests should be issued