Package com.github.ambry.cloud

Interface CloudUpdateValidator

  • public interface CloudUpdateValidator
    Interface for Ambry validation logic for updates requested from cloud destination.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      boolean validateUpdate​(CloudBlobMetadata metadata, com.github.ambry.store.StoreKey key, java.util.Map<java.lang.String,​java.lang.Object> updateFields)
      Validate the sanity of update operation on given updateFields against existing CloudBlobMetadata in cloud destination for the blob with key key.

    • Method Detail

      • validateUpdate

        boolean validateUpdate​(CloudBlobMetadata metadata,
                       com.github.ambry.store.StoreKey key,
                       java.util.Map<java.lang.String,​java.lang.Object> updateFields)
                throws com.github.ambry.store.StoreException
        Validate the sanity of update operation on given updateFields against existing CloudBlobMetadata in cloud destination for the blob with key key. This can be used to hook Ambry store related validation logic during CloudDestination specific get-check-update flow. Note that this method can also update some fields within the map.
        Parameters:
        metadata - CloudBlobMetadata object obtained from cloud destination.
        key - StoreKey of the blob being updated.
        updateFields - Map of fields and new values requested for update.
        Returns:
        true if the operation can proceed, or false if the operation is not needed.
        Throws:
        com.github.ambry.store.StoreException - if validation fails.