From d92db35bf4dce622476fbf51d37957e3f995dc69 Mon Sep 17 00:00:00 2001
From: Oleg Zhurakousky <ozhurakousky@pivotal.io>
Date: Tue, 5 Feb 2019 06:27:07 +0100
Subject: [PATCH] GH-1601 Polishing - avoiding breaking change

---
 .../stream/binder/AbstractExtendedBindingProperties.java   | 2 --
 .../cloud/stream/binder/ExtendedBindingProperties.java     | 7 +++++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/binder/AbstractExtendedBindingProperties.java b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/binder/AbstractExtendedBindingProperties.java
index 454d15637..73e6441e7 100644
--- a/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/binder/AbstractExtendedBindingProperties.java
+++ b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/binder/AbstractExtendedBindingProperties.java
@@ -48,8 +48,6 @@ public abstract class AbstractExtendedBindingProperties<C, P, T extends BinderSp
 
 	private ConfigurableApplicationContext applicationContext = new GenericApplicationContext();
 
-	public abstract Map<String, T> getBindings();
-
 	public void setBindings(Map<String, T> bindings) {
 		this.bindings.putAll(bindings);
 	}
diff --git a/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/binder/ExtendedBindingProperties.java b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/binder/ExtendedBindingProperties.java
index c257713bd..2b4ab2066 100644
--- a/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/binder/ExtendedBindingProperties.java
+++ b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/binder/ExtendedBindingProperties.java
@@ -16,6 +16,9 @@
 
 package org.springframework.cloud.stream.binder;
 
+import java.util.Collections;
+import java.util.Map;
+
 /**
  * Properties that extend the common binding properties for a particular binder
  * implementation.
@@ -32,6 +35,10 @@ public interface ExtendedBindingProperties<C, P> {
 
 	P getExtendedProducerProperties(String channelName);
 
+	default Map<String, ? extends Object> getBindings() {
+		return Collections.emptyMap();
+	}
+
 	/**
 	 * Extended binding properties can define a default prefix to place all the extended
 	 * common producer and consumer properties. For example, if the binder type is foo it