class CacheDistributionNode extends VisorDataTransferObject {
    /** */
    private static final long serialVersionUID = 0L;

    /** Node identifier. */
    private UUID nodeId;

    /** Network addresses. */
    private String addrs;

    /** User attribute in result. */
    private Map<String, String> userAttrs;

    /** Information about groups. */
    private List<CacheDistributionGroup> groups;

    /** Default constructor. */
    public CacheDistributionNode() {
    }

    /**
     * @param nodeId Node identifier.
     * @param addrs Network addresses.
     * @param userAttrs Map node user attribute.
     * @param groups Information about groups.
     */
    public CacheDistributionNode(UUID nodeId, String addrs,
        Map<String, String> userAttrs,
        List<CacheDistributionGroup> groups) {
        this.nodeId = nodeId;
        this.addrs = addrs;
        this.userAttrs = userAttrs;
        this.groups = groups;
    }

    /** */
    public UUID getNodeId() {
        return nodeId;
    }

    /** */
    public void setNodeId(UUID nodeId) {
        this.nodeId = nodeId;
    }

    /** */
    public String getAddresses() {
        return addrs;
    }

    /** */
    public void setAddresses(String addrs) {
        this.addrs = addrs;
    }

    /**
     * @return User attribute in result.
     */
    public Map<String, String> getUserAttributes() {
        return userAttrs;
    }

    /**
     * @param userAttrs New user attribute in result.
     */
    public void setUserAttributes(Map<String, String> userAttrs) {
        this.userAttrs = userAttrs;
    }

    /** */
    public List<CacheDistributionGroup> getGroups() {
        return groups;
    }

    /** */
    public void setGroups(List<CacheDistributionGroup> groups) {
        this.groups = groups;
    }

    /** {@inheritDoc} */
    @Override protected void writeExternalData(ObjectOutput out) throws IOException {
        U.writeUuid(out, nodeId);
        U.writeString(out, addrs);
        U.writeMap(out, userAttrs);
        U.writeCollection(out, groups);
    }

    /** {@inheritDoc} */
    @Override protected void readExternalData(byte protoVer,
        ObjectInput in) throws IOException, ClassNotFoundException {<FILL_FUNCTION_BODY>}

}

        nodeId = U.readUuid(in);
        addrs = U.readString(in);
        userAttrs = U.readMap(in);
        groups = U.readList(in);
    
<methods>public non-sealed void <init>() ,public byte getProtocolVersion() ,public void readExternal(java.io.ObjectInput) throws java.io.IOException, java.lang.ClassNotFoundException,public void writeExternal(java.io.ObjectOutput) throws java.io.IOException<variables>private static final int MAGIC,protected static final byte V1,protected static final byte V2,protected static final byte V3,protected static final byte V4,protected static final byte V5,private static final long serialVersionUID