avoid calling other APIs when InternalUserSessionData is initializing

#713

This would fix:
Caused by:
org.springframework.beans.factory.BeanCurrentlyInCreationException:
Error creating bean with name 'scopedTarget.internalUserSessionData':
Requested bean is currently in creation: Is there an unresolvable
circular reference?
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at
org.springframework.aop.target.SimpleBeanTargetSource.getTarget(SimpleBeanTargetSource.java:35)
at
org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.getTarget(CglibAopProxy.java:705)
at
org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:655)
at
de.metas.ui.web.session.InternalUserSessionData$$EnhancerBySpringCGLIB$$52d45398.getCtx(<generated>)
at de.metas.ui.web.session.UserSession.getCtx(UserSession.java:175)
at
de.metas.ui.web.session.WebRestApiContextProvider.getActualContext(WebRestApiContextProvider.java:104)
at
de.metas.ui.web.session.WebRestApiContextProvider.access$000(WebRestApiContextProvider.java:44)
at
de.metas.ui.web.session.WebRestApiContextProvider$1.getDelegate(WebRestApiContextProvider.java:54)
at
org.adempiere.util.AbstractPropertiesProxy.getProperty(AbstractPropertiesProxy.java:238)
at org.compiere.util.Env.getProperty(Env.java:2240)
at org.compiere.util.Env.getContext(Env.java:2191)
at org.compiere.util.Env.getContext(Env.java:824)
at org.compiere.util.Env.getContextAsInt(Env.java:896)
at
de.metas.logging.SysConfigLoggerCustomizer.customize(SysConfigLoggerCustomizer.java:93)
at de.metas.logging.LogManager.getLogger(LogManager.java:32)
at de.metas.i18n.ADLanguageList.<clinit>(ADLanguageList.java:64)
... 134 common frames omitted

src/main/java/de/metas/ui/web/session/InternalUserSessionData.java

@@ -6,7 +6,6 @@
 import java.util.Properties;
 
 import org.compiere.util.Env;
-import org.springframework.beans.factory.InitializingBean;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Primary;
 import org.springframework.context.annotation.ScopedProxyMode;
@@ -55,7 +54,7 @@
 @Primary
 @SessionScope(proxyMode = ScopedProxyMode.TARGET_CLASS)
 @lombok.Data
-/* package */ class InternalUserSessionData implements Serializable, InitializingBean
+/* package */ class InternalUserSessionData implements Serializable
 {
 	private static final long serialVersionUID = 4046535476486036184L;
 
@@ -67,6 +66,7 @@
 
 	//
 	// Actual session data
+	private volatile boolean initialized = false;
 	private String sessionId = null;
 	private UserPreference userPreference = null;
 	private boolean loggedIn = false;
@@ -114,8 +114,22 @@ public InternalUserSessionData()
 		UserSession.logger.trace("User session created: {}", this);
 	}
 
-	@Override
-	public void afterPropertiesSet() throws Exception
+	void initializeIfNeeded()
+	{
+		if (!initialized)
+		{
+			synchronized (this)
+			{
+				if (!initialized)
+				{
+					initializeNow();
+					initialized = true;
+				}
+			}
+		}
+	}
+
+	private void initializeNow()
 	{
 		//
 		// Set initial properties

src/main/java/de/metas/ui/web/session/UserSession.java

@@ -157,6 +157,7 @@ public UserSession(final ApplicationEventPublisher eventPublisher)
 
 	private InternalUserSessionData getData()
 	{
+		_data.initializeIfNeeded();
 		return _data;
 	}