Open DBEntry using AL5 URI with legacy parameters¶

public static void openDBEntryURI() throws Exception {
    String user           = System.getenv("USER");
    String dbName         = "test";
    String ddMajorVersion = "3";
    int pulse             = 1;
    int run               = 10;
    String backend        = "hdf5";

    /*
        Format URI with required data.
        Available backends:

        ascii - only for debugging purposes
        mdsplus
        hdf5
        memory - data is lost after entry is closed
        uda
     */
    String uri = String.format("imas:%s?user=%s;pulse=%s;run=%s;database=%s;version=%s",
                                backend,user,pulse,run,dbName,ddMajorVersion);
    int entry = 0;
    try {
        /*
            Open existing entry with given mode, catch exceptions if failed
            Available modes:

            OPEN_PULSE - Opens the access to the data only if the Data Entry exists, returns error otherwise.
            FORCE_OPEN_PULSE - Opens access to the data, creates the Data Entry if it does not exists yet.
            CREATE_PULSE - Creates a new empty Data Entry (returns error if Data Entry already exists) and opens it at the same time.
            FORCE_CREATE_PULSE - Creates an empty Data Entry (overwrites if Data Entry already exists) and opens it at the same time.
        */
        entry = imas.open(uri, LowLevel.OPEN_PULSE);
        /*
        * You can access IDSes in here - take a look at sample code dealing with IDSes for details
        */
    } catch (Exception e) {
        System.err.println("\nFailed to open DBEntry with URI\n" + e.getMessage());
        throw e;
    } finally {
        imas.close(entry);
    }
}