Examples of org.apache.oozie.util.ELEvaluator$Context

org.apache.oozie.util.ELEvaluator
Provides functions and variables for the EL evaluator.
All functions and variables in the context of an EL evaluator are accessible from EL expressions.


    /**
     * @return whether a data set is SYNCH or ASYNC
     */
    private static boolean isSyncDataSet() {
        ELEvaluator eval = ELEvaluator.getCurrent();
        SyncCoordDataset ds = (SyncCoordDataset) eval.getVariable(DATASET);
        if (ds == null) {
            throw new RuntimeException("Associated Dataset should be defined with key " + DATASET);
        }
        return ds.getType().equalsIgnoreCase("SYNC");
    }

View Full Code Here

     * @param conf job configuration
     * @return ELEvaluator the evaluator for el function
     * @throws BundleJobException thrown if failed to create evaluator
     */
    public ELEvaluator createEvaluator(Configuration conf) throws BundleJobException {
        ELEvaluator eval;
        ELEvaluator.Context context;
        try {
            context = new ELEvaluator.Context();
            eval = new ELEvaluator(context);
            for (Map.Entry<String, String> entry : conf) {
                eval.setVariable(entry.getKey(), entry.getValue());
            }
        }
        catch (Exception e) {
            throw new BundleJobException(ErrorCode.E1004, e.getMessage(), e);
        }

View Full Code Here

     * @param functionName
     * @param n
     * @return null if the functionName needs to be resolved otherwise return the calling function unresolved.
     */
    private static String checkIfResolved(String functionName, String n) {
        ELEvaluator eval = ELEvaluator.getCurrent();
        String replace = (String) eval.getVariable("resolve_" + functionName);
        if (replace == null || (replace != null && replace.equalsIgnoreCase("false"))) { // Don't
            // resolve
            // return "${coord:" + functionName + "(" + n +")}"; //Unresolved
            eval.setVariable(".wrap", "true");
            return "coord:" + functionName + "(" + n + ")"; // Unresolved
        }
        return null; // Resolved it
    }

View Full Code Here

    private static String echoUnResolved(String functionName, String n) {
        return echoUnResolvedPre(functionName, n, "coord:");
    }


    private static String echoUnResolvedPre(String functionName, String n, String prefix) {
        ELEvaluator eval = ELEvaluator.getCurrent();
        eval.setVariable(".wrap", "true");
        return prefix + functionName + "(" + n + ")"; // Unresolved
    }

View Full Code Here


    /**
     * @return the initial instance of a DataSet in Calendar
     */
    private static Calendar getInitialInstanceCal() {
        ELEvaluator eval = ELEvaluator.getCurrent();
        SyncCoordDataset ds = (SyncCoordDataset) eval.getVariable(DATASET);
        if (ds == null) {
            throw new RuntimeException("Associated Dataset should be defined with key " + DATASET);
        }
        Calendar effInitTS = Calendar.getInstance();
        effInitTS.setTime(ds.getInitInstance());

View Full Code Here


    /**
     * @return Nominal or action creation Time when all the dependencies of an application instance are met.
     */
    private static Date getActionCreationtime() {
        ELEvaluator eval = ELEvaluator.getCurrent();
        SyncCoordAction coordAction = (SyncCoordAction) eval.getVariable(COORD_ACTION);
        if (coordAction == null) {
            throw new RuntimeException("Associated Application instance should be defined with key " + COORD_ACTION);
        }
        return coordAction.getNominalTime();
    }

View Full Code Here


    /**
     * @return Actual Time when all the dependencies of an application instance are met.
     */
    private static Date getActualTime() {
        ELEvaluator eval = ELEvaluator.getCurrent();
        SyncCoordAction coordAction = (SyncCoordAction) eval.getVariable(COORD_ACTION);
        if (coordAction == null) {
            throw new RuntimeException("Associated Application instance should be defined with key " + COORD_ACTION);
        }
        return coordAction.getActualTime();
    }

View Full Code Here


    /**
     * @return TimeZone for the application or job.
     */
    private static TimeZone getJobTZ() {
        ELEvaluator eval = ELEvaluator.getCurrent();
        SyncCoordAction coordAction = (SyncCoordAction) eval.getVariable(COORD_ACTION);
        if (coordAction == null) {
            throw new RuntimeException("Associated Application instance should be defined with key " + COORD_ACTION);
        }
        return coordAction.getTimeZone();
    }

View Full Code Here


    /**
     * @return dataset frequency in minutes
     */
    private static int getDSFrequency() {
        ELEvaluator eval = ELEvaluator.getCurrent();
        SyncCoordDataset ds = (SyncCoordDataset) eval.getVariable(DATASET);
        if (ds == null) {
            throw new RuntimeException("Associated Dataset should be defined with key " + DATASET);
        }
        return ds.getFrequency();
    }

View Full Code Here


    /**
     * @return dataset TimeUnit
     */
    private static TimeUnit getDSTimeUnit() {
        ELEvaluator eval = ELEvaluator.getCurrent();
        SyncCoordDataset ds = (SyncCoordDataset) eval.getVariable(DATASET);
        if (ds == null) {
            throw new RuntimeException("Associated Dataset should be defined with key " + DATASET);
        }
        return ds.getTimeUnit();
    }

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of org.apache.oozie.util.ELEvaluator$Context

ca.eandb.jmist.framework.color.Color

ca.uhn.fhir.model.dstu.composite.CodeableConceptDt

ca.uhn.fhir.model.dstu.composite.PeriodDt

com.asakusafw.utils.java.model.syntax.Expression

com.dianping.cat.message.spi.MessageTree

com.dianping.cat.message.Transaction

com.google.common.util.concurrent.ThreadFactoryBuilder

com.google.gerrit.server.RequestCleanup

com.puppycrawl.tools.checkstyle.api.DetailAST

com.wesabe.api.accounts.params.CurrencyParam

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.