From 757222979bc02d0aaba1870eea36413383d15bde Mon Sep 17 00:00:00 2001 From: Maros Marsalek Date: Tue, 8 Nov 2016 10:13:36 +0100 Subject: HONEYCOMB-270 Add isPresent() to Readers/Customizers So that they can influence whether empty data is to be considered as present + Move registries implementations from util to impl + Introduce DelegatingReader trait + Extend GenericReader where possible to reduce duplication Change-Id: I5a416acd0c4eab1fbc30fcbe585719991dbe9215 Signed-off-by: Maros Marsalek --- .../main/java/io/fd/honeycomb/translate/read/Reader.java | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'infra/translate-api') 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 @@ -34,6 +34,21 @@ public interface Reader> 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 id, @Nonnull D built, @Nonnull ReadContext ctx) + throws ReadFailedException; + /** * Reads data identified by id * -- cgit 1.2.3-korg