Refactored intent framework to deal with batches.

There is still work to be done, but for now, submit, withdraw and reroute are working.

Change-Id: Ib94cf8c4be03786cc070f402d1f296f5dfa6588b
diff --git a/core/api/src/main/java/org/onlab/onos/net/intent/IntentBatchDelegate.java b/core/api/src/main/java/org/onlab/onos/net/intent/IntentBatchDelegate.java
new file mode 100644
index 0000000..248d82e
--- /dev/null
+++ b/core/api/src/main/java/org/onlab/onos/net/intent/IntentBatchDelegate.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2014 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.onos.net.intent;
+
+/**
+ * Facade for receiving notifications from the intent batch service.
+ */
+public interface IntentBatchDelegate {
+
+    /**
+     * Submits the specified batch of intent operations for processing.
+     *
+     * @param operations batch of operations
+     */
+    void execute(IntentOperations operations);
+
+    /**
+     * Cancesl the specified batch of intent operations.
+     *
+     * @param operations batch of operations to be cancelled
+     */
+    void cancel(IntentOperations operations);
+}