diff --git a/build.gradle b/build.gradle
index f8c490a..0f61c2d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -172,18 +172,18 @@ publishing {
         maven {
             name 'bdwareSnapshotRepository'
             url 'https://oss.sonatype.org/content/repositories/snapshots'
-            credentials {
-                username = "${NEXUS_USERNAME}"
-                password = "${NEXUS_PASSWORD}"
-            }
+//            credentials {
+//                username = "${NEXUS_USERNAME}"
+//                password = "${NEXUS_PASSWORD}"
+//            }
         }
         maven {
             name 'bdwareRepository'
             url 'https://oss.sonatype.org/service/local/staging/deploy/maven2'
-            credentials {
-                username = "${NEXUS_USERNAME}"
-                password = "${NEXUS_PASSWORD}"
-            }
+//            credentials {
+//                username = "${NEXUS_USERNAME}"
+//                password = "${NEXUS_PASSWORD}"
+//            }
         }
     }
 }
diff --git a/src/main/java/org/bdware/sc/compiler/ap/DOOP.java b/src/main/java/org/bdware/sc/compiler/ap/DOOP.java
new file mode 100644
index 0000000..d0d546d
--- /dev/null
+++ b/src/main/java/org/bdware/sc/compiler/ap/DOOP.java
@@ -0,0 +1,18 @@
+package org.bdware.sc.compiler.ap;
+
+import org.bdware.doip.codec.operations.BasicOperations;
+import org.bdware.sc.compiler.AnnotationProcessor;
+import org.bdware.sc.node.AnnotationNode;
+import org.bdware.sc.node.ContractNode;
+import org.bdware.sc.node.FunctionNode;
+
+import java.util.HashMap;
+import java.util.Map;
+
+// DOOP is designed for DoipModule which contains specific functions for RepositoryHandler
+public class DOOP extends AnnotationProcessor {
+    @Override
+    public void processFunction(AnnotationNode anno, ContractNode contractNode, FunctionNode functionNode) {
+
+    }
+}