Remove MapSessionRepository default constructor

This commit removes the default `MapSessionRepository` constructor so that the users are required to explicitly supply the `Map` used to store the sessions.

docs/src/test/java/docs/IndexDocTests.java

@@ -17,6 +17,7 @@
 package docs;
 
 import java.time.Duration;
+import java.util.concurrent.ConcurrentHashMap;
 
 import com.hazelcast.config.Config;
 import com.hazelcast.core.Hazelcast;
@@ -51,7 +52,7 @@ public class IndexDocTests {
 	@Test
 	public void repositoryDemo() {
 		RepositoryDemo<MapSession> demo = new RepositoryDemo<>();
-		demo.repository = new MapSessionRepository();
+		demo.repository = new MapSessionRepository(new ConcurrentHashMap<>());
 
 		demo.demo();
 	}
@@ -83,7 +84,7 @@ public class IndexDocTests {
 	@Test
 	public void expireRepositoryDemo() {
 		ExpiringRepositoryDemo<MapSession> demo = new ExpiringRepositoryDemo<>();
-		demo.repository = new MapSessionRepository();
+		demo.repository = new MapSessionRepository(new ConcurrentHashMap<>());
 
 		demo.demo();
 	}
@@ -121,7 +122,8 @@ public class IndexDocTests {
 	@SuppressWarnings("unused")
 	public void mapRepository() {
 		// tag::new-mapsessionrepository[]
-		SessionRepository<? extends Session> repository = new MapSessionRepository();
+		SessionRepository<? extends Session> repository = new MapSessionRepository(
+				new ConcurrentHashMap<>());
 		// end::new-mapsessionrepository[]
 	}
 

docs/src/test/java/docs/SpringHttpSessionConfig.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2016 the original author or authors.
+ * Copyright 2014-2017 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.
@@ -16,6 +16,8 @@
 
 package docs;
 
+import java.util.concurrent.ConcurrentHashMap;
+
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.session.MapSessionRepository;
@@ -27,7 +29,7 @@ import org.springframework.session.config.annotation.web.http.EnableSpringHttpSe
 public class SpringHttpSessionConfig {
 	@Bean
 	public MapSessionRepository sessionRepository() {
-		return new MapSessionRepository();
+		return new MapSessionRepository(new ConcurrentHashMap<>());
 	}
 }
 // end::class[]

docs/src/test/java/docs/security/RememberMeSecurityConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2016 the original author or authors.
+ * Copyright 2014-2017 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.
@@ -16,6 +16,8 @@
 
 package docs.security;
 
+import java.util.concurrent.ConcurrentHashMap;
+
 import org.springframework.context.annotation.Bean;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
@@ -73,7 +75,7 @@ public class RememberMeSecurityConfiguration extends WebSecurityConfigurerAdapte
 
 	@Bean
 	MapSessionRepository sessionRepository() {
-		return new MapSessionRepository();
+		return new MapSessionRepository(new ConcurrentHashMap<>());
 	}
 }
 // end::class[]

docs/src/test/resources/docs/security/RememberMeSecurityConfigurationXmlTests-context.xml

@@ -24,5 +24,9 @@
 	</security:user-service>
 
 	<bean class="org.springframework.session.config.annotation.web.http.SpringHttpSessionConfiguration"/>
-	<bean id="springSessionRepository" class="org.springframework.session.MapSessionRepository"/>
+	<bean id="springSessionRepository" class="org.springframework.session.MapSessionRepository">
+		<constructor-arg>
+			<bean class="java.util.concurrent.ConcurrentHashMap"/>
+		</constructor-arg>
+	</bean>
 </beans>