Package org.apache.oozie.util

Examples of org.apache.oozie.util.ELEvaluator

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     * @param val frequency in number of days.
     * @return number of days and also set the frequency timeunit to "day"
     */
    public static int ph1_coord_days(int val) {
        val = ParamChecker.checkGTZero(val, "n");
        ELEvaluator eval = ELEvaluator.getCurrent();
        eval.setVariable("timeunit", TimeUnit.DAY);
        eval.setVariable("endOfDuration", TimeUnit.NONE);
        return val;
    }
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     * @param val frequency in number of months.
     * @return number of months and also set the frequency timeunit to "month"
     */
    public static int ph1_coord_months(int val) {
        val = ParamChecker.checkGTZero(val, "n");
        ELEvaluator eval = ELEvaluator.getCurrent();
        eval.setVariable("timeunit", TimeUnit.MONTH);
        eval.setVariable("endOfDuration", TimeUnit.NONE);
        return val;
    }
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     * @param val frequency in number of hours.
     * @return number of minutes and also set the frequency timeunit to "minute"
     */
    public static int ph1_coord_hours(int val) {
        val = ParamChecker.checkGTZero(val, "n");
        ELEvaluator eval = ELEvaluator.getCurrent();
        eval.setVariable("timeunit", TimeUnit.MINUTE);
        eval.setVariable("endOfDuration", TimeUnit.NONE);
        return val * 60;
    }
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     * @param val frequency in number of minutes.
     * @return number of minutes and also set the frequency timeunit to "minute"
     */
    public static int ph1_coord_minutes(int val) {
        val = ParamChecker.checkGTZero(val, "n");
        ELEvaluator eval = ELEvaluator.getCurrent();
        eval.setVariable("timeunit", TimeUnit.MINUTE);
        eval.setVariable("endOfDuration", TimeUnit.NONE);
        return val;
    }
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     * @param val frequency in number of days.
     * @return number of days and also set the frequency timeunit to "day" and end_of_duration flag to "day"
     */
    public static int ph1_coord_endOfDays(int val) {
        val = ParamChecker.checkGTZero(val, "n");
        ELEvaluator eval = ELEvaluator.getCurrent();
        eval.setVariable("timeunit", TimeUnit.DAY);
        eval.setVariable("endOfDuration", TimeUnit.END_OF_DAY);
        return val;
    }
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     * @param val: frequency in number of months.
     * @return number of months and also set the frequency timeunit to "month" and end_of_duration flag to "month"
     */
    public static int ph1_coord_endOfMonths(int val) {
        val = ParamChecker.checkGTZero(val, "n");
        ELEvaluator eval = ELEvaluator.getCurrent();
        eval.setVariable("timeunit", TimeUnit.MONTH);
        eval.setVariable("endOfDuration", TimeUnit.END_OF_MONTH);
        return val;
    }
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            throw new UnsupportedOperationException("Asynchronous Dataset is not supported yet");
        }
    }

    private static String coord_future_sync(int n, int instance) throws Exception {
        ELEvaluator eval = ELEvaluator.getCurrent();
        String retVal = "";
        int datasetFrequency = (int) getDSFrequency();// in minutes
        TimeUnit dsTimeUnit = getDSTimeUnit();
        int[] instCount = new int[1];
        Calendar nominalInstanceCal = getCurrentInstance(getActionCreationtime(), instCount);
        if (nominalInstanceCal != null) {
            Calendar initInstance = getInitialInstanceCal();
            nominalInstanceCal = (Calendar) initInstance.clone();
            nominalInstanceCal.add(dsTimeUnit.getCalendarUnit(), instCount[0] * datasetFrequency);

            SyncCoordDataset ds = (SyncCoordDataset) eval.getVariable(DATASET);
            if (ds == null) {
                throw new RuntimeException("Associated Dataset should be defined with key " + DATASET);
            }
            String uriTemplate = ds.getUriTemplate();
            Configuration conf = (Configuration) eval.getVariable(CONFIGURATION);
            if (conf == null) {
                throw new RuntimeException("Associated Configuration should be defined with key " + CONFIGURATION);
            }
            int available = 0, checkedInstance = 0;
            boolean resolved = false;
            String user = ParamChecker
                    .notEmpty((String) eval.getVariable(OozieClient.USER_NAME), OozieClient.USER_NAME);
            String doneFlag = ds.getDoneFlag();
            while (instance >= checkedInstance) {
                ELEvaluator uriEval = getUriEvaluator(nominalInstanceCal);
                String uriPath = uriEval.evaluate(uriTemplate, String.class);
                String pathWithDoneFlag = uriPath;
                if (doneFlag.length() > 0) {
                    pathWithDoneFlag += "/" + doneFlag;
                }
                if (isPathAvailable(pathWithDoneFlag, user, null, conf)) {
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     *
     * @return coordinator action creation or materialization date time
     * @throws Exception if unable to format the Date object to String
     */
    public static String ph2_coord_nominalTime() throws Exception {
        ELEvaluator eval = ELEvaluator.getCurrent();
        SyncCoordAction action = ParamChecker.notNull((SyncCoordAction) eval.getVariable(COORD_ACTION),
                "Coordinator Action");
        return DateUtils.formatDateUTC(action.getNominalTime());
    }
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     * Return Action Id. <p/>
     *
     * @return coordinator action Id
     */
    public static String ph2_coord_actionId() throws Exception {
        ELEvaluator eval = ELEvaluator.getCurrent();
        SyncCoordAction action = ParamChecker.notNull((SyncCoordAction) eval.getVariable(COORD_ACTION),
                "Coordinator Action");
        return action.getActionId();
    }
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     * Return Job Name. <p/>
     *
     * @return coordinator name
     */
    public static String ph2_coord_name() throws Exception {
        ELEvaluator eval = ELEvaluator.getCurrent();
        SyncCoordAction action = ParamChecker.notNull((SyncCoordAction) eval.getVariable(COORD_ACTION),
                "Coordinator Action");
        return action.getName();
    }
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