datagridtags.java

中間件開發详细说明：清华大学J2EE教程讲义（ppt）-Tsinghua University J2EE tutorial lectures (ppt) [上载源码成为会员下载此源码] [成为VIP会

    //////////// REPLICA CATALOGUE TAGS

    //***********************User<-->RC******************************//

    /** Denotes the request for a location of a replica file.<br>
     * The format of this request is
     * Object[2] = {String lfn, Integer senderID}.<br>
     * The reply tag name is {@link #CTLG_REPLICA_DELIVERY}.<br>
     * NOTE: This request only ask for one location only not all.
     */
    public static final int CTLG_GET_REPLICA = CTLG_BASE + 1;

    /** Sends the result for a location of a replica file back to sender.<br>
     * The format of the reply is
     * Object[2] = {String lfn, Integer resourceID}.<br>
     * NOTE: The resourceID could be <tt>-1</tt> if not found.
     */
    public static final int CTLG_REPLICA_DELIVERY = CTLG_BASE + 2;

    /** Denotes the request for all locations of a replica file.<br>
     * The format of this request is
     * Object[2] = {String lfn, Integer senderID}.<br>
     * The reply tag name is {@link #CTLG_REPLICA_LIST_DELIVERY}.
     */
    public static final int CTLG_GET_REPLICA_LIST = CTLG_BASE + 3;

    /** Sends the result for all locations of a replica file back to sender.<br>
     * The format of the reply is
     * Object[2] = {String lfn, List locationList}.<br>
     * NOTE: The locationList could be <tt>null</tt> if not found.
     */
    public static final int CTLG_REPLICA_LIST_DELIVERY = CTLG_BASE + 4;

    /** Denotes the request to get the attribute of a file.<br>
     * The format of this request is
     * Object[2] = {String lfn, Integer senderID}.<br>
     * The reply tag name is {@link #CTLG_FILE_ATTR_DELIVERY}.
     */
    public static final int CTLG_GET_FILE_ATTR = CTLG_BASE + 5;

    /** Sends the result for a file attribute back to sender.<br>
     * The format of the reply is {FileAttribute fileAttr}.<br>
     * NOTE: The fileAttr could be <tt>null</tt> if not found.
     */
    public static final int CTLG_FILE_ATTR_DELIVERY = CTLG_BASE + 6;

    /** Denotes the request to get a list of file attributes based on
     * the given filter.<br>
     * The format of this request is
     * Object[2] = {Filter filter, Integer senderID}.<br>
     * The reply tag name is {@link #CTLG_FILTER_DELIVERY}.
     */
    public static final int CTLG_FILTER = CTLG_BASE + 7;

    /** Sends the result for a list of file attributes back to sender.<br>
     * The format of the reply is {List attrList}.<br>
     * NOTE: The attrList could be <tt>null</tt> if not found.
     */
    public static final int CTLG_FILTER_DELIVERY = CTLG_BASE + 8;


    //***********************RM<-->RC******************************//

    /** Denotes the request to register / add a master file to the Replica
     * Catalogue.<br>
     * The format of this request is
     * Object[3] = {String filename, FileAttribute attr, Integer resID}.<br>
     * The reply tag name is {@link #CTLG_ADD_MASTER_RESULT}.
     */
    public static final int CTLG_ADD_MASTER = CTLG_BASE + 10;

    /** Sends the result of registering a master file back to sender.<br>
     * The format of the reply is
     * Object[3] = {String filename, Integer uniqueID, Integer resultID}.<br>
     * NOTE: The result id is in the form of CTLG_ADD_MASTER_XXXX where
     *       XXXX means the error/success message
     */
    public static final int CTLG_ADD_MASTER_RESULT = CTLG_BASE + 11;

    /** Denotes that master file addition is successful */
    public static final int CTLG_ADD_MASTER_SUCCESSFUL = CTLG_BASE + 12;

    /** Denotes that master file addition is failed due to an unknown error */
    public static final int CTLG_ADD_MASTER_ERROR = CTLG_BASE + 13;

    /** Denotes that master file addition is failed due to the catalogue
     * is full
     */
    public static final int CTLG_ADD_MASTER_ERROR_FULL = CTLG_BASE + 14;


    ///////////////////////////////////////////////////////////////////////

    /** Denotes the request to de-register / delete a master file from the
     * Replica Catalogue.<br>
     * The format of this request is
     * Object[2] = {String lfn, Integer resourceID}.<br>
     * The reply tag name is {@link #CTLG_DELETE_MASTER_RESULT}.
     */
    public static final int CTLG_DELETE_MASTER = CTLG_BASE + 20;

    /** Sends the result of de-registering a master file back to sender.<br>
     * The format of the reply is
     * Object[2] = {String lfn, Integer resultID}.<br>
     * NOTE: The result id is in the form of CTLG_DELETE_MASTER_XXXX where
     *       XXXX means the error/success message
     */
    public static final int CTLG_DELETE_MASTER_RESULT = CTLG_BASE + 21;

    /** Denotes that master file deletion is successful */
    public static final int CTLG_DELETE_MASTER_SUCCESSFUL = CTLG_BASE + 22;

    /** Denotes that master file deletion is failed due to an unknown error */
    public static final int CTLG_DELETE_MASTER_ERROR = CTLG_BASE + 23;

    /** Denotes that master file deletion is failed because the file
     * does not exist in the catalogue
     */
    public static final int CTLG_DELETE_MASTER_DOESNT_EXIST = CTLG_BASE + 24;

    /** Denotes that master file deletion is failed because replica files
     * are still in the catalogue. All replicas need to be deleted first.
     */
    public static final int CTLG_DELETE_MASTER_REPLICAS_EXIST = CTLG_BASE + 25;


    ///////////////////////////////////////////////////////////////////////

    /** Denotes the request to register / add a replica file to the Replica
     * Catalogue.<br>
     * The format of this request is
     * Object[2] = {String lfn, Integer resourceID}.<br>
     * The reply tag name is {@link #CTLG_ADD_REPLICA_RESULT}.
     */
    public static final int CTLG_ADD_REPLICA = CTLG_BASE + 30;

    /** Sends the result of registering a replica file back to sender.<br>
     * The format of the reply is
     * Object[2] = {String lfn, Integer resultID}.<br>
     * NOTE: The result id is in the form of CTLG_ADD_REPLICA_XXXX where
     *       XXXX means the error/success message
     */
    public static final int CTLG_ADD_REPLICA_RESULT = CTLG_BASE + 31;

    /** Denotes that replica file addition is successful */
    public static final int CTLG_ADD_REPLICA_SUCCESSFUL = CTLG_BASE + 32;

    /** Denotes that replica file addition is failed due to an unknown error */
    public static final int CTLG_ADD_REPLICA_ERROR = CTLG_BASE + 33;

    /** Denotes that replica file addition is failed because the given
     * file name does not exist in the catalogue
     */
    public static final int CTLG_ADD_REPLICA_ERROR_DOESNT_EXIST = CTLG_BASE +34;

    /** Denotes that replica file addition is failed due to the catalogue
     * is full
     */
    public static final int CTLG_ADD_REPLICA_ERROR_FULL = CTLG_BASE + 35;


    ///////////////////////////////////////////////////////////////////////

    /** Denotes the request to de-register / delete a replica file from the
     * Replica Catalogue.<br>
     * The format of this request is
     * Object[2] = {String lfn, Integer resourceID}.<br>
     * The reply tag name is {@link #CTLG_DELETE_REPLICA_RESULT}.
     */
    public static final int CTLG_DELETE_REPLICA = CTLG_BASE + 40;

    /** Sends the result of de-registering a replica file back to sender.<br>
     * The format of the reply is
     * Object[2] = {String lfn, Integer resultID}.<br>
     * NOTE: The result id is in the form of CTLG_DELETE_REPLICA_XXXX where
     *       XXXX means the error/success message
     */
    public static final int CTLG_DELETE_REPLICA_RESULT = CTLG_BASE + 41;

    /** Denotes that replica file deletion is successful */
    public static final int CTLG_DELETE_REPLICA_SUCCESSFUL = CTLG_BASE + 42;

    /** Denotes that replica file deletion is failed due to an unknown error */
    public static final int CTLG_DELETE_REPLICA_ERROR = CTLG_BASE + 43;

    /** Denotes that replica file deletion is failed because the file
     * does not exist in the catalogue
     */
    public static final int CTLG_DELETE_REPLICA_ERROR_DOESNT_EXIST=CTLG_BASE+44;


    ///////////////////////////////////////////////////////////////////////

    /** Denotes the request to modify an existing master file information
     * stored in the Replica Catalogue.<br>
     * The format of this request is
     * Object[3] = {String filename, FileAttribute attr, Integer resID}.<br>
     * The reply tag name is {@link #CTLG_MODIFY_MASTER_RESULT}.
     */
    public static final int CTLG_MODIFY_MASTER = CTLG_BASE + 50;

    /** Sends the result of modifying a master file back to sender.<br>
     * The format of the reply is
     * Object[2] = {String lfn, Integer resultID}.<br>
     * NOTE: The result id is in the form of CTLG_MODIFY_MASTER_XXXX where
     *       XXXX means the error/success message
     */
    public static final int CTLG_MODIFY_MASTER_RESULT = CTLG_BASE + 51;

    /** Denotes that master file deletion is successful */
    public static final int CTLG_MODIFY_MASTER_SUCCESSFUL = CTLG_BASE + 52;

    /** Denotes that master file modification is failed due to an
     * unknown error
     */
    public static final int CTLG_MODIFY_MASTER_ERROR = CTLG_BASE + 53;

    /** Denotes that master file modification is failed because the file
     * does not exist in the catalogue
     */
    public static final int CTLG_MODIFY_MASTER_ERROR_DOESNT_EXIST= CTLG_BASE+54;

    /** Denotes that master file modification is failed because the file
     * attribute is set to a read-only
     */
    public static final int CTLG_MODIFY_MASTER_ERROR_READ_ONLY = CTLG_BASE+55;


    ///////////////////////////////////////////////////////////////////////

    /** Private Constructor */
    private DataGridTags() {
        // empty
    }

} // end class