Update to Spring Cloud Stream Edgware.SR1

There are some bug fixes it would help to pick up (log hygiene if
nothing else).

Author: Dave Syer

pom.xml

@@ -19,7 +19,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<java.version>1.8</java.version>
-		<spring-cloud.version>Edgware.RELEASE</spring-cloud.version>
+		<spring-cloud.version>Edgware.SR1</spring-cloud.version>
 		<spring-cloud-function.version>1.0.0.BUILD-SNAPSHOT</spring-cloud-function.version>
 		<spring-cloud-stream-file.version>1.0.0.BUILD-SNAPSHOT</spring-cloud-stream-file.version>
 		<spring-cloud-deployer.version>1.2.0.RELEASE</spring-cloud-deployer.version>

src/test/java/io/projectriff/functions/WordCounter.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2016-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.projectriff.functions;
+
+import java.time.Duration;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Function;
+
+import reactor.core.publisher.Flux;
+
+/**
+ * @author Dave Syer
+ *
+ */
+public class WordCounter implements Function<Flux<String>, Flux<Map<String, Integer>>> {
+
+	@Override
+	public Flux<Map<String, Integer>> apply(Flux<String> words) {
+		return words.window(Duration.ofSeconds(10))
+				.flatMap(f -> f.flatMap(word -> Flux.fromArray(word.split("\\W")))
+						.reduce(new HashMap<String, Integer>(), (map, word) -> {
+							map.merge(word, 1, Integer::sum);
+							return map;
+						}));
+	}
+
+}