Load global and project referentials only one time

sonar-batch/src/main/java/org/sonar/batch/referential/GlobalReferentialsProvider.java

@@ -29,12 +29,17 @@ public class GlobalReferentialsProvider extends ProviderAdapter {
 
   private static final Logger LOG = LoggerFactory.getLogger(GlobalReferentialsProvider.class);
 
+  private GlobalReferentials globalReferentials;
+
   public GlobalReferentials provide(GlobalReferentialsLoader loader) {
-    TimeProfiler profiler = new TimeProfiler(LOG).start("Load global referentials");
-    try {
-      return loader.load();
-    } finally {
-      profiler.stop();
+    if (globalReferentials == null) {
+      TimeProfiler profiler = new TimeProfiler(LOG).start("Load global referentials");
+      try {
+        globalReferentials = loader.load();
+      } finally {
+        profiler.stop();
+      }
     }
+    return globalReferentials;
   }
 }

sonar-batch/src/main/java/org/sonar/batch/referential/ProjectReferentialsProvider.java

@@ -32,12 +32,17 @@ public class ProjectReferentialsProvider extends ProviderAdapter {
 
   private static final Logger LOG = LoggerFactory.getLogger(ProjectReferentialsProvider.class);
 
+  private ProjectReferentials projectReferentials;
+
   public ProjectReferentials provide(ProjectReferentialsLoader loader, ProjectReactor reactor, Settings settings, Languages languages) {
-    TimeProfiler profiler = new TimeProfiler(LOG).start("Load project referentials");
-    try {
-      return loader.load(reactor, settings, languages);
-    } finally {
-      profiler.stop();
+    if (projectReferentials == null) {
+      TimeProfiler profiler = new TimeProfiler(LOG).start("Load project referentials");
+      try {
+        projectReferentials = loader.load(reactor, settings, languages);
+      } finally {
+        profiler.stop();
+      }
     }
+    return projectReferentials;
   }
 }