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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 java.util.LinkedList;
import org.jboss.netty.buffer.ChannelBuffer;
import org.onosproject.pcepio.exceptions.PcepParseException;
import org.onosproject.pcepio.types.PcepObjectHeader;
import org.onosproject.pcepio.types.PcepValueType;
/**
* Abstraction of an entity providing PCEP Label Object.
*/
public interface PcepLabelObject {
/**
* Returns O flag in Label Object.
*
* @return Boolean value
*/
boolean getOFlag();
/**
* Sets O flag in Label Object with specified value.
*
* @param value O flag
*/
void setOFlag(boolean value);
/**
* Returns Label from Label Object.
*
* @return Label value
*/
int getLabel();
/**
* Sets Label field in Label Object with specified value.
*
* @param value Label
*/
void setLabel(int value);
/**
* Returns list of Optional Tlvs.
*
* @return list of Optional Tlvs
*/
LinkedList<PcepValueType> getOptionalTlv();
/**
* Sets Optional Tlvs in Label Object.
*
* @param llOptionalTlv list of Optional Tlvs
*/
void setOptionalTlv(LinkedList<PcepValueType> llOptionalTlv);
/**
* Writes the Label Object into channel buffer.
*
* @param bb channel buffer
* @return Returns the writerIndex of this buffer
* @throws PcepParseException while writing LABEL object into Channel Buffer.
*/
int write(ChannelBuffer bb) throws PcepParseException;
/**
* Builder interface with get and set functions to build Label object.
*/
interface Builder {
/**
* Builds Label Object.
*
* @return Label Object
* @throws PcepParseException while building LABEL object.
*/
PcepLabelObject build() throws PcepParseException;
/**
* Returns Label object header.
*
* @return Label object header
*/
PcepObjectHeader getLabelObjHeader();
/**
* Sets Label object header and returns its builder.
*
* @param obj Label object header
* @return Builder by setting Label object header
*/
Builder setLabelObjHeader(PcepObjectHeader obj);
/**
* Returns O flag in Label Object.
*
* @return Label value
*/
boolean getOFlag();
/**
* Sets O flag and return its builder.
*
* @param value O flag
* @return Builder by setting O flag
*/
Builder setOFlag(boolean value);
/**
* Returns Label from Label Object.
*
* @return Label value
*/
int getLabel();
/**
* Sets Label field and return its builder.
*
* @param value Label field
* @return Builder by setting Label field
*/
Builder setLabel(int value);
/**
* Returns list of Optional Tlvs.
*
* @return list of Optional Tlvs
*/
LinkedList<PcepValueType> getOptionalTlv();
/**
* Sets list of Optional Tlvs and return its builder.
*
* @param llOptionalTlv list of Optional Tlvs
* @return Builder by setting list of Optional Tlvs
*/
Builder setOptionalTlv(LinkedList<PcepValueType> llOptionalTlv);
/**
* Sets P flag in Label object header and returns its builder.
*
* @param value boolean value to set P flag
* @return Builder by setting P flag
*/
Builder setPFlag(boolean value);
/**
* Sets I flag in Label object header and returns its builder.
*
* @param value boolean value to set I flag
* @return Builder by setting I flag
*/
Builder setIFlag(boolean value);
}
}
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