Package org.apache.bookkeeper.mledger.intercept

Interface ManagedLedgerInterceptor

@LimitedPrivate @Stable public interface ManagedLedgerInterceptor
Interceptor for ManagedLedger.

  • Method Details

    • beforeAddEntry

      OpAddEntry beforeAddEntry(OpAddEntry op, int numberOfMessages)
      Intercept an OpAddEntry and return an OpAddEntry.
      Parameters:
      op - an OpAddEntry to be intercepted.
      numberOfMessages -
      Returns:
      an OpAddEntry.

    • afterFailedAddEntry

      default void afterFailedAddEntry(int numberOfMessages)
      Intercept When add entry failed.
      Parameters:
      numberOfMessages -

    • onManagedLedgerPropertiesInitialize

      void onManagedLedgerPropertiesInitialize(Map<String,String> propertiesMap)
      Intercept when ManagedLedger is initialized.
      Parameters:
      propertiesMap - map of properties.

    • onManagedLedgerLastLedgerInitialize

      CompletableFuture<Void> onManagedLedgerLastLedgerInitialize(String name, LedgerHandle ledgerHandle)
      Intercept when ManagedLedger is initialized.
      Parameters:
      name - name of ManagedLedger
      ledgerHandle - a LedgerHandle.

    • onUpdateManagedLedgerInfo

      void onUpdateManagedLedgerInfo(Map<String,String> propertiesMap)
      Parameters:
      propertiesMap - map of properties.

    • processPayloadBeforeEntryCache

      default ManagedLedgerInterceptor.PayloadProcessorHandle processPayloadBeforeEntryCache(io.netty.buffer.ByteBuf dataReadFromLedger)
      Intercept after entry is read from ledger, before it gets cached.
      Parameters:
      dataReadFromLedger - data from ledger
      Returns:
      handle to the processor

    • processPayloadBeforeLedgerWrite

      default ManagedLedgerInterceptor.PayloadProcessorHandle processPayloadBeforeLedgerWrite(OpAddEntry ledgerWriteOp, io.netty.buffer.ByteBuf dataToBeStoredInLedger)
      Intercept before payload gets written to ledger.
      Parameters:
      ledgerWriteOp - OpAddEntry used to trigger ledger write.
      dataToBeStoredInLedger - data to be stored in ledger
      Returns:
      handle to the processor