Interfaces added for PCEP messages and PCEP Controller
Change-Id: Id678b6832b42bcf4a437322996244d224c4052d0
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/PcepMessage.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/PcepMessage.java
new file mode 100755
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+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/PcepMessage.java
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+/*
+ * 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.onosproject.pcepio.protocol;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.pcepio.exceptions.PcepParseException;
+
+/**
+ * Abstraction of an entity providing PCEP Messages.
+ */
+public interface PcepMessage extends PcepObject {
+
+ @Override
+ PcepVersion getVersion();
+
+ /**
+ * Returns Type of PCEP Message.
+ *
+ * @return Type of PCEP Message
+ */
+ PcepType getType();
+
+ /**
+ * Prints attributes of PCEP Messages.
+ */
+ void print();
+
+ @Override
+ void writeTo(ChannelBuffer channelBuffer) throws PcepParseException;
+
+ /**
+ * Builder interface with get and set functions to build PCEP Message.
+ */
+ public interface Builder {
+
+ /**
+ * Builds PCEP Message.
+ *
+ * @return PCEP Message
+ * @throws PcepParseException when build fails to create PCEP message
+ */
+ PcepMessage build() throws PcepParseException;
+
+ /**
+ * Returns Version of PCEP Message.
+ *
+ * @return Version of PCEP Message
+ */
+ PcepVersion getVersion();
+
+ /**
+ * Returns Type of PCEP Message.
+ *
+ * @return Type of PCEP Message
+ */
+ PcepType getType();
+ }
+}