Add 'onError' to ContentChannel

1 files changed, 11 insertions, 0 deletions

diff --git a/jdisc_core/src/main/java/com/yahoo/jdisc/handler/ContentChannel.java b/jdisc_core/src/main/java/com/yahoo/jdisc/handler/ContentChannel.java
index a1a4503eff2..b8b2d123a13 100644
--- a/jdisc_core/src/main/java/com/yahoo/jdisc/handler/ContentChannel.java
+++ b/jdisc_core/src/main/java/com/yahoo/jdisc/handler/ContentChannel.java
@@ -47,4 +47,15 @@ public interface ContentChannel {
      */
     void close(CompletionHandler handler);
 
+
+    /**
+     * Invoked when an error occurs during processing of request content. Signals that the caller was
+     * unable to write all data to this ContentChannel.
+     *
+     * This method can be invoked at any time after the content channel is created, but it's never invoked after {@link #close(CompletionHandler)}.
+     * {@link #close(CompletionHandler)} will be invoked immediately after this method returning
+     * (no intermediate calls to #{@link #write(ByteBuffer, CompletionHandler)}).
+     */
+    default void onError(Throwable error) {}
+
 }