diff options
Diffstat (limited to 'infra/translate-api/src/main/java/io/fd/honeycomb/translate/read/Reader.java')
| -rw-r--r-- | infra/translate-api/src/main/java/io/fd/honeycomb/translate/read/Reader.java | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/infra/translate-api/src/main/java/io/fd/honeycomb/translate/read/Reader.java b/infra/translate-api/src/main/java/io/fd/honeycomb/translate/read/Reader.java index dd9944624..7138006e0 100644 --- a/infra/translate-api/src/main/java/io/fd/honeycomb/translate/read/Reader.java +++ b/infra/translate-api/src/main/java/io/fd/honeycomb/translate/read/Reader.java @@ -35,6 +35,21 @@ public interface Reader<D extends DataObject, B extends Builder<D>> extends Subt // TODO HONEYCOMB-169 make async /** + * Check whether the data from current reader are present or not. + * Invoked after {@link #readCurrentAttributes(InstanceIdentifier, Builder, ReadContext)} + * + * @param id Keyed instance identifier of read data + * @param built Read data as returned from builder + * after {@link #readCurrentAttributes(InstanceIdentifier, Builder, ReadContext)} invocation + * @param ctx Read context + * + * + * @return true if the result value is present. + */ + boolean isPresent(@Nonnull InstanceIdentifier<D> id, @Nonnull D built, @Nonnull ReadContext ctx) + throws ReadFailedException; + + /** * Reads data identified by id * * @param id unique identifier of subtree to be read. The subtree must contain managed data object type. For |