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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 Provides PCEP Message PAth for update message.
* Reference :PCE extensions for stateful draft-ietf-pce-stateful-pce-10.
*/
public interface PcepMsgPath {
/**
* Returns object of PcepEroObject.
*
* @return eroObject
*/
PcepEroObject getEroObject();
/**
* Returns object of PcepAttribute.
*
* @return pcepAttribute
*/
PcepAttribute getPcepAttribute();
/**
* Sets PcepEroObject.
*
* @param eroObject PCEP ERO Object.
*/
void setEroObject(PcepEroObject eroObject);
/**
* Sets PcepAttribute.
*
* @param pcepAttribute PCEP-Attribute.
*/
void setPcepAttribute(PcepAttribute pcepAttribute);
/**
* reads ERO object and attribute list.
*
* @param bb of type channel buffer
* @return PcepMsgPath
* @throws PcepParseException while parsing Message Path from Channel Buffer.
*/
PcepMsgPath read(ChannelBuffer bb) throws PcepParseException;
/**
* writes ERO object and attribute list to channel.
*
* @param bb of type channel buffer
* @return object length index
* @throws PcepParseException while writing Message Path into Channel Buffer.
*/
int write(ChannelBuffer bb) throws PcepParseException;
/**
* Builder interface with get and set functions to build PcepMsgPath.
*/
interface Builder {
/**
* Builds PcepMsgPath.
*
* @return PcepMsgPath
* @throws PcepParseException when mandatory object is not set
*/
PcepMsgPath build() throws PcepParseException;
/**
* Returns object of PcepEroObject.
*
* @return PcepEroObject
*/
PcepEroObject getEroObject();
/**
* Returns object of PcepAttribute.
*
* @return pcepAttribute
*/
PcepAttribute getPcepAttribute();
/**
* Sets PcepEroObject.
*
* @param eroObject PcepEroObject
* @return Builder by setting ERO object.
*/
Builder setEroObject(PcepEroObject eroObject);
/**
* Sets PcepAttribute.
*
* @param pcepAttribute PCEP-Attribute
* @return Builder by setting PCEP-Attribute.
*/
Builder setPcepAttribute(PcepAttribute pcepAttribute);
}
}
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