Examples of org.apache.oozie.util.ELEvaluator.evaluate()

org.apache.oozie.util.ELEvaluator.evaluate()
Evaluate an EL expression.
@param expr EL expression to evaluate. @param clazz return type of the EL expression. @return the object the EL expression evaluated to. @throws Exception thrown if an EL function failed due to a transient error or EL expression could not beevaluated.

        DagELFunctions.configureEvaluator(eval, wf, action);


        assertEquals(true, (boolean) eval.evaluate("${fs:exists(wf:conf('file1'))}", Boolean.class));
        assertEquals(false, (boolean) eval.evaluate("${fs:exists(wf:conf('file2'))}", Boolean.class));
        assertEquals(true, (boolean) eval.evaluate("${fs:exists(wf:conf('dir'))}", Boolean.class));
        assertEquals(false, (boolean) eval.evaluate("${fs:isDir(wf:conf('file1'))}", Boolean.class));
        assertEquals(0, (int) eval.evaluate("${fs:fileSize(wf:conf('file1'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:fileSize(wf:conf('file2'))}", Integer.class));
        assertEquals(3, (int) eval.evaluate("${fs:dirSize(wf:conf('dir'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:blockSize(wf:conf('file2'))}", Integer.class));
        assertTrue(eval.evaluate("${fs:blockSize(wf:conf('file1'))}", Integer.class) > 0);

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        assertEquals(true, (boolean) eval.evaluate("${fs:exists(wf:conf('file1'))}", Boolean.class));
        assertEquals(false, (boolean) eval.evaluate("${fs:exists(wf:conf('file2'))}", Boolean.class));
        assertEquals(true, (boolean) eval.evaluate("${fs:exists(wf:conf('dir'))}", Boolean.class));
        assertEquals(false, (boolean) eval.evaluate("${fs:isDir(wf:conf('file1'))}", Boolean.class));
        assertEquals(0, (int) eval.evaluate("${fs:fileSize(wf:conf('file1'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:fileSize(wf:conf('file2'))}", Integer.class));
        assertEquals(3, (int) eval.evaluate("${fs:dirSize(wf:conf('dir'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:blockSize(wf:conf('file2'))}", Integer.class));
        assertTrue(eval.evaluate("${fs:blockSize(wf:conf('file1'))}", Integer.class) > 0);
    }

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        assertEquals(true, (boolean) eval.evaluate("${fs:exists(wf:conf('file1'))}", Boolean.class));
        assertEquals(false, (boolean) eval.evaluate("${fs:exists(wf:conf('file2'))}", Boolean.class));
        assertEquals(true, (boolean) eval.evaluate("${fs:exists(wf:conf('dir'))}", Boolean.class));
        assertEquals(false, (boolean) eval.evaluate("${fs:isDir(wf:conf('file1'))}", Boolean.class));
        assertEquals(0, (int) eval.evaluate("${fs:fileSize(wf:conf('file1'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:fileSize(wf:conf('file2'))}", Integer.class));
        assertEquals(3, (int) eval.evaluate("${fs:dirSize(wf:conf('dir'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:blockSize(wf:conf('file2'))}", Integer.class));
        assertTrue(eval.evaluate("${fs:blockSize(wf:conf('file1'))}", Integer.class) > 0);
    }

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        assertEquals(false, (boolean) eval.evaluate("${fs:exists(wf:conf('file2'))}", Boolean.class));
        assertEquals(true, (boolean) eval.evaluate("${fs:exists(wf:conf('dir'))}", Boolean.class));
        assertEquals(false, (boolean) eval.evaluate("${fs:isDir(wf:conf('file1'))}", Boolean.class));
        assertEquals(0, (int) eval.evaluate("${fs:fileSize(wf:conf('file1'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:fileSize(wf:conf('file2'))}", Integer.class));
        assertEquals(3, (int) eval.evaluate("${fs:dirSize(wf:conf('dir'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:blockSize(wf:conf('file2'))}", Integer.class));
        assertTrue(eval.evaluate("${fs:blockSize(wf:conf('file1'))}", Integer.class) > 0);
    }


}

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        assertEquals(true, (boolean) eval.evaluate("${fs:exists(wf:conf('dir'))}", Boolean.class));
        assertEquals(false, (boolean) eval.evaluate("${fs:isDir(wf:conf('file1'))}", Boolean.class));
        assertEquals(0, (int) eval.evaluate("${fs:fileSize(wf:conf('file1'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:fileSize(wf:conf('file2'))}", Integer.class));
        assertEquals(3, (int) eval.evaluate("${fs:dirSize(wf:conf('dir'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:blockSize(wf:conf('file2'))}", Integer.class));
        assertTrue(eval.evaluate("${fs:blockSize(wf:conf('file1'))}", Integer.class) > 0);
    }


}

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        assertEquals(false, (boolean) eval.evaluate("${fs:isDir(wf:conf('file1'))}", Boolean.class));
        assertEquals(0, (int) eval.evaluate("${fs:fileSize(wf:conf('file1'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:fileSize(wf:conf('file2'))}", Integer.class));
        assertEquals(3, (int) eval.evaluate("${fs:dirSize(wf:conf('dir'))}", Integer.class));
        assertEquals(-1, (int) eval.evaluate("${fs:blockSize(wf:conf('file2'))}", Integer.class));
        assertTrue(eval.evaluate("${fs:blockSize(wf:conf('file1'))}", Integer.class) > 0);
    }


}

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            String user = ParamChecker
                    .notEmpty((String) eval.getVariable(OozieClient.USER_NAME), OozieClient.USER_NAME);
            String doneFlag = ds.getDoneFlag();
            while (nominalInstanceCal.compareTo(initInstance) >= 0) {
                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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     * @throws BundleJobException thrown if failed to resolve variables
     */
    private String resolvedVars(String bundleXml, Configuration conf) throws BundleJobException {
        try {
            ELEvaluator eval = createEvaluator(conf);
            return eval.evaluate(bundleXml, String.class);
        }
        catch (Exception e) {
            throw new BundleJobException(ErrorCode.E1004, e.getMessage(), e);
        }
    }

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            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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                        String propertyValue = property.getChildText("value", property.getNamespace());
                        ELEvaluator eval = new ELEvaluator();
                        for (Map.Entry<String, String> entry : wfjobConf) {
                            eval.setVariable(entry.getKey(), entry.getValue().trim());
                        }
                        propertyName = eval.evaluate(propertyName, String.class);
                        propertyValue = eval.evaluate(propertyValue, String.class);


                        credProp.getProperties().put(propertyName, propertyValue);
                        log.debug("getCredProperties: Properties name :'" + propertyName + "', Value : '"
                                + propertyValue + "'");

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