Added ability for commands to post properties to be used as params of other commands.
Starting to add monitor GUI.
Change-Id: I9fcf1568d0de27dfd1c19e875f8646fd731a1dfa
diff --git a/utils/stc/src/main/java/org/onlab/stc/MonitorDelegate.java b/utils/stc/src/main/java/org/onlab/stc/MonitorDelegate.java
new file mode 100644
index 0000000..d11542a
--- /dev/null
+++ b/utils/stc/src/main/java/org/onlab/stc/MonitorDelegate.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onlab.stc;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+/**
+ * Delegate to which monitor can send notifications.
+ */
+public interface MonitorDelegate {
+
+ /**
+ * Issues JSON event to be sent to any connected monitor clients.
+ *
+ * @param event JSON event data
+ */
+ void notify(ObjectNode event);
+}