net.sf.jrtps.message.parameter.QosOwnership Maven / Gradle / Ivy

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package net.sf.jrtps.message.parameter;

import net.sf.jrtps.transport.RTPSByteBuffer;

public class QosOwnership extends Parameter implements DataReaderPolicy, TopicPolicy,
        DataWriterPolicy, InlineQoS {
    private int kind;

    public enum Kind {
        SHARED, EXCLUSIVE
    }

    QosOwnership() {
        super(ParameterId.PID_OWNERSHIP);
    }

    /**
     * Constructor.
     * 
     * @param kind SHARED or EXCLUSIVE
     */
    public QosOwnership(Kind kind) {
        super(ParameterId.PID_OWNERSHIP);
        switch (kind) {
        case SHARED:
            this.kind = 0;
            break;
        case EXCLUSIVE:
            this.kind = 1;
            break;
        }
    }

    @Override
    public void read(RTPSByteBuffer bb, int length) {
        kind = bb.read_long();
    }

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

    public Kind getKind() {
        switch (kind) {
        case 0:
            return Kind.SHARED;
        case 1:
            return Kind.EXCLUSIVE;
        }

        throw new IllegalArgumentException("Unknown kind " + kind + " for QosOwnership");
    }

    @Override
    public boolean isCompatible(QosOwnership other) {
        return kind == other.kind;
    }

    /**
     * Get the default QosOwnership: SHARED
     * 
     * @return default QosOwnership
     */
    public static QosOwnership defaultOwnership() {
        return new QosOwnership(Kind.SHARED);
    }

    public String toString() {
        return super.toString() + "(" + getKind() + ")";
    }
}