Fixes to actuator metrics

- Quick fix to get something out from
  new boot 2.x metrics.
- Change source to java 8 compat
- Add new micrometer deps to build
- Docs and further changes will get done
  when new boot metric system completes.
- Fixes #410

spring-statemachine-samples/build.gradle

@@ -131,9 +131,9 @@ project('spring-statemachine-samples-monitoring') {
 	description = 'Spring State Machine Monitoring Sample'
 	dependencies {
 		compile project(":spring-statemachine-boot")
+		compile("org.springframework.boot:spring-boot-starter-actuator")
 		compile("org.springframework.boot:spring-boot-starter-web")
 		compile("org.springframework.boot:spring-boot-starter-thymeleaf")
-		compile("org.springframework.boot:spring-boot-starter-security")
 		testCompile("com.jayway.jsonpath:json-path")
 		testCompile("com.jayway.jsonpath:json-path-assert")
 	}

spring-statemachine-samples/monitoring/src/main/resources/application.yml

@@ -1,12 +1,10 @@
 logging:
   level:
     root: INFO
-management:
-  security:
-    enabled: false
-security:
-  basic:
-    enabled: false
+spring:
+  autoconfigure:
+    exclude:
+      - org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration
 endpoints:
   default:
     web:

spring-statemachine-samples/monitoring/src/test/java/demo/monitoring/MonitoringTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 the original author or authors.
+ * 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.
@@ -15,11 +15,13 @@
  */
 package demo.monitoring;
 
+import static org.hamcrest.CoreMatchers.hasItems;
+import static org.hamcrest.CoreMatchers.notNullValue;
 import static org.hamcrest.Matchers.allOf;
 import static org.hamcrest.Matchers.containsInAnyOrder;
 import static org.hamcrest.Matchers.containsString;
-import static org.hamcrest.Matchers.is;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
@@ -80,7 +82,11 @@ public class MonitoringTests {
 			andExpect(status().isOk());
 		mvc.
 			perform(get("/application/metrics")).
-			andExpect(jsonPath("$.['counter.ssm.transition.INITIAL_S1.transit']", is(1)));
+			andExpect(jsonPath("$.names", hasItems("ssm.transition.duration", "ssm.transition.transit")));
+		mvc.
+			perform(get("/application/metrics/ssm.transition.duration")).
+			andDo(print()).
+			andExpect(jsonPath("$['ssmTransitionDuration.transitionname.INITIAL_S1']", notNullValue()));
 	}
 
 	@Test

spring-statemachine-samples/web/src/main/java/demo/web/WebSocketConfig.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 the original author or authors.
+ * Copyright 2015-2017 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.
@@ -15,6 +15,8 @@
  */
 package demo.web;
 
+import java.util.concurrent.ConcurrentHashMap;
+
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.messaging.simp.config.MessageBrokerRegistry;
@@ -41,7 +43,7 @@ public class WebSocketConfig extends AbstractSessionWebSocketMessageBrokerConfig
 
 	@Bean
 	public MapSessionRepository mapSessionRepository() {
-		return new MapSessionRepository();
+		return new MapSessionRepository(new ConcurrentHashMap<>());
 	}
 
 }