Examples of org.apache.oozie.DagEngine

org.apache.oozie.DagEngine
The DagEngine provides all the DAG engine functionality for WS calls.

    private void _testError(String errorType, String externalStatus, String signalValue) throws Exception {
        Reader reader = IOUtils.getResourceAsReader("wf-ext-schema-valid.xml", -1);
        Writer writer = new FileWriter(getTestCaseDir() + "/workflow.xml");
        IOUtils.copyCharStream(reader, writer);


        final DagEngine engine = new DagEngine("u", "a");
        Configuration conf = new XConfiguration();
        conf.set(OozieClient.APP_PATH, getTestCaseDir() + File.separator + "workflow.xml");
        conf.set(OozieClient.USER_NAME, getTestUser());
        conf.set(OozieClient.GROUP_NAME, getTestGroup());
        injectKerberosInfo(conf);
        conf.set(OozieClient.LOG_TOKEN, "t");
        conf.set("error", errorType);
        conf.set("external-status", externalStatus);
        conf.set("signal-value", signalValue);


        final String jobId = engine.submitJob(conf, true);


        final WorkflowStore store = Services.get().get(WorkflowStoreService.class).create();
        store.beginTrx();
        waitFor(5000, new Predicate() {
            public boolean evaluate() throws Exception {
                WorkflowJobBean bean = store.getWorkflow(jobId, false);
                return (bean.getWorkflowInstance().getStatus() == WorkflowInstance.Status.KILLED);
            }
        });
        assertEquals(WorkflowJob.Status.KILLED, engine.getJob(jobId).getStatus());
        store.commitTrx();
        store.closeTrx();
    }

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    private void _testErrorWithUserRetry(String errorType, String externalStatus, String signalValue) throws Exception {
        Reader reader = IOUtils.getResourceAsReader("wf-ext-schema-valid-user-retry.xml", -1);
        Writer writer = new FileWriter(getTestCaseDir() + "/workflow.xml");
        IOUtils.copyCharStream(reader, writer);


        final DagEngine engine = new DagEngine("u", "a");
        Configuration conf = new XConfiguration();
        conf.set(OozieClient.APP_PATH, getTestCaseDir() + File.separator + "workflow.xml");
        conf.set(OozieClient.USER_NAME, getTestUser());
        conf.set(OozieClient.GROUP_NAME, getTestGroup());
        injectKerberosInfo(conf);
        conf.set(OozieClient.LOG_TOKEN, "t");
        conf.set("error", errorType);
        conf.set("external-status", externalStatus);
        conf.set("signal-value", signalValue);


        final String jobId = engine.submitJob(conf, true);


        final JPAService jpaService = Services.get().get(JPAService.class);
        final WorkflowJobGetJPAExecutor wfJobGetCmd = new WorkflowJobGetJPAExecutor(jobId);
    
        final WorkflowActionsGetForJobJPAExecutor actionsGetExecutor = new WorkflowActionsGetForJobJPAExecutor(jobId);

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    private void _testDataNotSet(String avoidParam, String expActionErrorCode) throws Exception {
        Reader reader = IOUtils.getResourceAsReader("wf-ext-schema-valid.xml", -1);
        Writer writer = new FileWriter(getTestCaseDir() + "/workflow.xml");
        IOUtils.copyCharStream(reader, writer);


        final DagEngine engine = new DagEngine("u", "a");
        Configuration conf = new XConfiguration();
        conf.set(OozieClient.APP_PATH, getTestCaseDir() + File.separator + "workflow.xml");
        conf.set(OozieClient.USER_NAME, getTestUser());
        conf.set(OozieClient.GROUP_NAME, getTestGroup());
        injectKerberosInfo(conf);
        conf.set(OozieClient.LOG_TOKEN, "t");
        conf.set("external-status", "ok");
        conf.set("signal-value", "based_on_action_status");
        conf.set(avoidParam, "true");


        final String jobId = engine.submitJob(conf, true);


        final WorkflowStore store = Services.get().get(WorkflowStoreService.class).create();
        store.beginTrx();
        Thread.sleep(2000);


        waitFor(5000, new Predicate() {
            public boolean evaluate() throws Exception {
                WorkflowJobBean bean = store.getWorkflow(jobId, false);
                return (bean.getWorkflowInstance().getStatus() == WorkflowInstance.Status.FAILED);
            }
        });
        store.commitTrx();
        store.closeTrx();


        final WorkflowStore store2 = Services.get().get(WorkflowStoreService.class).create();
        store2.beginTrx();
        assertEquals(WorkflowInstance.Status.FAILED, store2.getWorkflow(jobId, false).getWorkflowInstance().getStatus());
        assertEquals(WorkflowJob.Status.FAILED, engine.getJob(jobId).getStatus());


        List<WorkflowActionBean> actions = store2.getActionsForWorkflow(jobId, false);
        WorkflowActionBean action = actions.get(0);
        assertEquals(expActionErrorCode, action.getErrorCode());
        store2.commitTrx();

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        if (oozieUri.equals(LOCAL)) {
            WorkflowJobBean workflow = (WorkflowJobBean) context.getWorkflow();
            String user = workflow.getUser();
            String group = workflow.getGroup();
            String authToken = workflow.getAuthToken();
            DagEngine dagEngine = Services.get().get(DagEngineService.class).getDagEngine(user, authToken);
            oozieClient = new LocalOozieClient(dagEngine);
        }
        else {
            // TODO we need to add authToken to the WC for the remote case
            oozieClient = new OozieClient(oozieUri);

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     * @param request servlet request
     * @param response servlet response
     * @throws XServletException
     */
    private void startWorkflowJob(HttpServletRequest request, HttpServletResponse response) throws XServletException {
        DagEngine dagEngine = Services.get().get(DagEngineService.class).getDagEngine(getUser(request),
                getAuthToken(request));


        String jobId = getResourceName(request);
        try {
            dagEngine.start(jobId);
        }
        catch (DagEngineException ex) {
            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
        }
    }

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     * @param request servlet request
     * @param response servlet response
     * @throws XServletException
     */
    private void resumeWorkflowJob(HttpServletRequest request, HttpServletResponse response) throws XServletException {
        DagEngine dagEngine = Services.get().get(DagEngineService.class).getDagEngine(getUser(request),
                getAuthToken(request));


        String jobId = getResourceName(request);
        try {
            dagEngine.resume(jobId);
        }
        catch (DagEngineException ex) {
            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
        }
    }

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     * @param request servlet request
     * @param response servlet response
     * @throws XServletException
     */
    private void suspendWorkflowJob(HttpServletRequest request, HttpServletResponse response) throws XServletException {
        DagEngine dagEngine = Services.get().get(DagEngineService.class).getDagEngine(getUser(request),
                getAuthToken(request));


        String jobId = getResourceName(request);
        try {
            dagEngine.suspend(jobId);
        }
        catch (DagEngineException ex) {
            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
        }
    }

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     * @param request servlet request
     * @param response servlet response
     * @throws XServletException
     */
    private void killWorkflowJob(HttpServletRequest request, HttpServletResponse response) throws XServletException {
        DagEngine dagEngine = Services.get().get(DagEngineService.class).getDagEngine(getUser(request),
                getAuthToken(request));


        String jobId = getResourceName(request);
        try {
            dagEngine.kill(jobId);
        }
        catch (DagEngineException ex) {
            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
        }
    }

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     * @param conf configuration object
     * @throws XServletException
     */
    private void reRunWorkflowJob(HttpServletRequest request, HttpServletResponse response, Configuration conf)
            throws XServletException {
        DagEngine dagEngine = Services.get().get(DagEngineService.class).getDagEngine(getUser(request),
                getAuthToken(request));


        String jobId = getResourceName(request);
        try {
            dagEngine.reRun(jobId, conf);
        }
        catch (DagEngineException ex) {
            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
        }
    }

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        String lenStr = request.getParameter(RestConstants.LEN_PARAM);
        int start = (startStr != null) ? Integer.parseInt(startStr) : 1;
        start = (start < 1) ? 1 : start;
        int len = (lenStr != null) ? Integer.parseInt(lenStr) : 0;
        len = (len < 1) ? Integer.MAX_VALUE : len;
        DagEngine dagEngine = Services.get().get(DagEngineService.class).getDagEngine(getUser(request),
                getAuthToken(request));
        try {
            jobBean = (JsonBean) dagEngine.getJob(jobId, start, len);
        }
        catch (DagEngineException ex) {
            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
        }

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org.apache.oozie.action.oozie.SubWorkflowActionExecutor

org.apache.oozie.client.WorkflowJob

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org.apache.oozie.command.coord.CoordActionStartXCommand

org.apache.oozie.command.wf.CompletedActionCommand

org.apache.oozie.command.wf.CompletedActionXCommand

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org.apache.oozie.command.wf.ExternalIdCommand

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