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jRTPS - An implementation of RTPS protocol by OMG

There is a newer version: 1.5.1

package net.sf.jrtps.message.parameter;

import net.sf.jrtps.transport.RTPSByteBuffer;
import net.sf.jrtps.types.SequenceNumber;

public class CoherentSet extends Parameter implements InlineQoS {
    private SequenceNumber seqNum;
    
    CoherentSet() {
        super(ParameterId.PID_COHERENT_SET);
    }

    /**
     * Creates a new CoherentSet with given SequenceNumber
     * @param seqNum
     */
    public CoherentSet(SequenceNumber seqNum) {
        super(ParameterId.PID_COHERENT_SET);
        this.seqNum = seqNum;
    }
    
    /**
     * Gets the sequence number of the first sample in coherent set.
     * @return sequence number
     */
    public SequenceNumber getStartSeqNum() {
        return seqNum;
    }
    
    @Override
    public void read(RTPSByteBuffer bb, int length) {
        this.seqNum = new SequenceNumber(bb); 
    }

    @Override
    public void writeTo(RTPSByteBuffer bb) {
        seqNum.writeTo(bb);
    }
}