[backend] Add context for future

Author: damgouj

openaev-model/src/main/java/io/openaev/context/TenantContext.java

@@ -0,0 +1,18 @@
+package io.openaev.context;
+
+import io.openaev.database.model.Tenant;
+
+public class TenantContext {
+
+  private static final ThreadLocal<String> CURRENT_TENANT = new ThreadLocal<>();
+
+  public static String getCurrentTenant() {
+    return Tenant.DEFAULT_TENANT_UUID;
+    // return CURRENT_TENANT.get();
+  }
+
+  // TODO multi-tenancy: set with Front URL instead of default UUID and update the return above
+  public static void setCurrentTenant(String tenant) {
+    CURRENT_TENANT.set(tenant);
+  }
+}