Update docs

- Add more repository config docs.
- Relates to #270

spring-statemachine-data/jpa/src/test/java/org/springframework/statemachine/data/jpa/docs/DocsJpaRepositorySampleTests1.java

@@ -32,19 +32,19 @@ public class DocsJpaRepositorySampleTests1 {
 		TransitionRepository<JpaRepositoryTransition> transitionRepository;
 
 		void addConfig() {
-			JpaRepositoryState state1 = new JpaRepositoryState("machine1", "S1", true);
-			JpaRepositoryState state2 = new JpaRepositoryState("machine2", "S2", false);
-			JpaRepositoryState state3 = new JpaRepositoryState("machine1", "S3", true);
-			JpaRepositoryState state4 = new JpaRepositoryState("machine2", "S4", false);
-			stateRepository.save(state1);
-			stateRepository.save(state2);
-			stateRepository.save(state3);
-			stateRepository.save(state4);
+			JpaRepositoryState stateS1 = new JpaRepositoryState("S1", true);
+			JpaRepositoryState stateS2 = new JpaRepositoryState("S2");
+			JpaRepositoryState stateS3 = new JpaRepositoryState("S3");
 
-			JpaRepositoryTransition transition1 = new JpaRepositoryTransition("machine1", state1, state2, "E1");
-			JpaRepositoryTransition transition2 = new JpaRepositoryTransition("machine2", state3, state4, "E2");
-			transitionRepository.save(transition1);
-			transitionRepository.save(transition2);
+			stateRepository.save(stateS1);
+			stateRepository.save(stateS2);
+			stateRepository.save(stateS3);
+
+			JpaRepositoryTransition transitionS1ToS2 = new JpaRepositoryTransition(stateS1, stateS2, "E1");
+			JpaRepositoryTransition transitionS2ToS3 = new JpaRepositoryTransition(stateS2, stateS3, "E2");
+
+			transitionRepository.save(transitionS1ToS2);
+			transitionRepository.save(transitionS2ToS3);
 		}
 // end::snippetA[]
 	}

spring-statemachine-data/mongodb/src/test/java/org/springframework/statemachine/data/mongodb/docs/DocsMongoDbRepositorySampleTests1.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2016 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 org.springframework.statemachine.data.mongodb.docs;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.statemachine.data.StateRepository;
+import org.springframework.statemachine.data.TransitionRepository;
+import org.springframework.statemachine.data.mongodb.MongoDbRepositoryState;
+import org.springframework.statemachine.data.mongodb.MongoDbRepositoryTransition;
+
+public class DocsMongoDbRepositorySampleTests1 {
+
+	public static class Config1 {
+// tag::snippetA[]
+		@Autowired
+		StateRepository<MongoDbRepositoryState> stateRepository;
+
+		@Autowired
+		TransitionRepository<MongoDbRepositoryTransition> transitionRepository;
+
+		void addConfig() {
+			MongoDbRepositoryState stateS1 = new MongoDbRepositoryState("S1", true);
+			MongoDbRepositoryState stateS2 = new MongoDbRepositoryState("S2");
+			MongoDbRepositoryState stateS3 = new MongoDbRepositoryState("S3");
+
+			stateRepository.save(stateS1);
+			stateRepository.save(stateS2);
+			stateRepository.save(stateS3);
+
+			MongoDbRepositoryTransition transitionS1ToS2 = new MongoDbRepositoryTransition(stateS1, stateS2, "E1");
+			MongoDbRepositoryTransition transitionS2ToS3 = new MongoDbRepositoryTransition(stateS2, stateS3, "E2");
+
+			transitionRepository.save(transitionS1ToS2);
+			transitionRepository.save(transitionS2ToS3);
+		}
+// end::snippetA[]
+	}
+}

spring-statemachine-data/redis/src/test/java/org/springframework/statemachine/data/redis/docs/DocsRedisRepositorySampleTests1.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2016 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 org.springframework.statemachine.data.redis.docs;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.statemachine.data.StateRepository;
+import org.springframework.statemachine.data.TransitionRepository;
+import org.springframework.statemachine.data.redis.RedisRepositoryState;
+import org.springframework.statemachine.data.redis.RedisRepositoryTransition;
+
+public class DocsRedisRepositorySampleTests1 {
+
+	public static class Config1 {
+// tag::snippetA[]
+		@Autowired
+		StateRepository<RedisRepositoryState> stateRepository;
+
+		@Autowired
+		TransitionRepository<RedisRepositoryTransition> transitionRepository;
+
+		void addConfig() {
+			RedisRepositoryState stateS1 = new RedisRepositoryState("S1", true);
+			RedisRepositoryState stateS2 = new RedisRepositoryState("S2");
+			RedisRepositoryState stateS3 = new RedisRepositoryState("S3");
+
+			stateRepository.save(stateS1);
+			stateRepository.save(stateS2);
+			stateRepository.save(stateS3);
+
+
+			RedisRepositoryTransition transitionS1ToS2 = new RedisRepositoryTransition(stateS1, stateS2, "E1");
+			RedisRepositoryTransition transitionS2ToS3 = new RedisRepositoryTransition(stateS2, stateS3, "E2");
+
+			transitionRepository.save(transitionS1ToS2);
+			transitionRepository.save(transitionS2ToS3);
+		}
+// end::snippetA[]
+	}
+}