Examples of org.ofbiz.entity.Delegator.findOne()

org.ofbiz.entity.Delegator.findOne()
Find a Generic Entity by its Primary Key NOTE 20080502: 6 references @param entityName The Name of the Entity as defined in the entity XML file @param fields The fields of the named entity to query by with their corresponding values @return The GenericValue corresponding to the primaryKey

    public static Map<String, Object> testServiceDeadLockRetryThreadA(DispatchContext dctx, Map<String, ? extends Object> context) {
        Delegator delegator = dctx.getDelegator();
        Locale locale = (Locale) context.get("locale");
        try {
            // grab entity SVCLRT_A by changing, then wait, then find and change SVCLRT_B
            GenericValue testingTypeA = delegator.findOne("TestingType", false, "testingTypeId", "SVCLRT_A");
            testingTypeA.set("description", "New description for SVCLRT_A");
            testingTypeA.store();


            // wait at least long enough for the other method to have locked resource B
            Debug.logInfo("In testServiceDeadLockRetryThreadA just updated SVCLRT_A, beginning wait", module);

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            // wait at least long enough for the other method to have locked resource B
            Debug.logInfo("In testServiceDeadLockRetryThreadA just updated SVCLRT_A, beginning wait", module);
            Thread.sleep(100);


            Debug.logInfo("In testServiceDeadLockRetryThreadA done with wait, updating SVCLRT_B", module);
            GenericValue testingTypeB = delegator.findOne("TestingType", false, "testingTypeId", "SVCLRT_B");
            testingTypeB.set("description", "New description for SVCLRT_B");
            testingTypeB.store();


            Debug.logInfo("In testServiceDeadLockRetryThreadA done with updating SVCLRT_B, updating SVCLRT_AONLY", module);
            GenericValue testingTypeAOnly = delegator.findOne("TestingType", false, "testingTypeId", "SVCLRT_AONLY");

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            GenericValue testingTypeB = delegator.findOne("TestingType", false, "testingTypeId", "SVCLRT_B");
            testingTypeB.set("description", "New description for SVCLRT_B");
            testingTypeB.store();


            Debug.logInfo("In testServiceDeadLockRetryThreadA done with updating SVCLRT_B, updating SVCLRT_AONLY", module);
            GenericValue testingTypeAOnly = delegator.findOne("TestingType", false, "testingTypeId", "SVCLRT_AONLY");
            testingTypeAOnly.set("description", "New description for SVCLRT_AONLY; this is only changed by thread A so if it doesn't match something happened to thread A!");
            testingTypeAOnly.store();
        } catch (GenericEntityException e) {
            Debug.logError(e, "Entity Engine Exception running dead lock test thread A: " + e.toString(), module);
            return ServiceUtil.returnError(UtilProperties.getMessage(resource, "ServiceTestEntityEngineExceptionThreadA", UtilMisc.toMap("errorString", e.toString()), locale));

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    public static Map<String, Object> testServiceDeadLockRetryThreadB(DispatchContext dctx, Map<String, ? extends Object> context) {
        Delegator delegator = dctx.getDelegator();
        Locale locale = (Locale) context.get("locale");
        try {
            // grab entity SVCLRT_B by changing, then wait, then change SVCLRT_A
            GenericValue testingTypeB = delegator.findOne("TestingType", false, "testingTypeId", "SVCLRT_B");
            testingTypeB.set("description", "New description for SVCLRT_B");
            testingTypeB.store();


            // wait at least long enough for the other method to have locked resource B
            Debug.logInfo("In testServiceDeadLockRetryThreadB just updated SVCLRT_B, beginning wait", module);

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            // wait at least long enough for the other method to have locked resource B
            Debug.logInfo("In testServiceDeadLockRetryThreadB just updated SVCLRT_B, beginning wait", module);
            Thread.sleep(100);


            Debug.logInfo("In testServiceDeadLockRetryThreadB done with wait, updating SVCLRT_A", module);
            GenericValue testingTypeA = delegator.findOne("TestingType", false, "testingTypeId", "SVCLRT_A");
            testingTypeA.set("description", "New description for SVCLRT_A");
            testingTypeA.store();


            Debug.logInfo("In testServiceDeadLockRetryThreadA done with updating SVCLRT_A, updating SVCLRT_BONLY", module);
            GenericValue testingTypeAOnly = delegator.findOne("TestingType", false, "testingTypeId", "SVCLRT_BONLY");

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            GenericValue testingTypeA = delegator.findOne("TestingType", false, "testingTypeId", "SVCLRT_A");
            testingTypeA.set("description", "New description for SVCLRT_A");
            testingTypeA.store();


            Debug.logInfo("In testServiceDeadLockRetryThreadA done with updating SVCLRT_A, updating SVCLRT_BONLY", module);
            GenericValue testingTypeAOnly = delegator.findOne("TestingType", false, "testingTypeId", "SVCLRT_BONLY");
            testingTypeAOnly.set("description", "New description for SVCLRT_BONLY; this is only changed by thread B so if it doesn't match something happened to thread B!");
            testingTypeAOnly.store();
        } catch (GenericEntityException e) {
            Debug.logError(e, "Entity Engine Exception running dead lock test thread B: " + e.toString(), module);
            return ServiceUtil.returnError(UtilProperties.getMessage(resource, "ServiceTestEntityEngineExceptionThreadB", UtilMisc.toMap("errorString", e.toString()), locale));

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    public static Map<String, Object> testServiceLockWaitTimeoutRetryGrabber(DispatchContext dctx, Map<String, ? extends Object> context) {
        Delegator delegator = dctx.getDelegator();
        Locale locale = (Locale) context.get("locale");
        try {
            // grab entity SVCLWTRT by changing, then wait a LONG time, ie more than the wait timeout
            GenericValue testingType = delegator.findOne("TestingType", false, "testingTypeId", "SVCLWTRT");
            testingType.set("description", "New description for SVCLWTRT from the GRABBER service, this should be replaced by Waiter service in the service engine auto-retry");
            testingType.store();


            Debug.logInfo("In testServiceLockWaitTimeoutRetryGrabber just updated SVCLWTRT, beginning wait", module);

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            Thread.sleep(100);


            Debug.logInfo("In testServiceLockWaitTimeoutRetryWaiter about to update SVCLWTRT, wait starts here", module);


            // TRY grab entity SVCLWTRT by looking up and changing, should get a lock wait timeout exception because of the Grabber thread
            GenericValue testingType = delegator.findOne("TestingType", false, "testingTypeId", "SVCLWTRT");
            testingType.set("description", "New description for SVCLWTRT from Waiter service, this is the value that should be there.");
            testingType.store();


            Debug.logInfo("In testServiceLockWaitTimeoutRetryWaiter successfully updated SVCLWTRT", module);
        } catch (GenericEntityException e) {

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        Delegator delegator = dctx.getDelegator();
        LocalDispatcher dispatcher = dctx.getDispatcher();
        Locale locale = (Locale) context.get("locale");
        try {
            // grab entity SVCLWTRTCR by changing, then wait a LONG time, ie more than the wait timeout
            GenericValue testingType = delegator.findOne("TestingType", false, "testingTypeId", "SVCLWTRTCR");
            testingType.set("description", "New description for SVCLWTRTCR from Lock Wait Timeout Lock GRABBER, this should be replaced by the one in the Waiter service.");
            testingType.store();


            Debug.logInfo("In testServiceLockWaitTimeoutRetryCantRecover (grabber) just updated SVCLWTRTCR, running sub-service in own transaction", module);
            // timeout is 5 seconds so it is longer than the tx timeout for this service, so will fail quickly; with this transaction keeping a lock on the record and that one trying to get it, bam we cause the error

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        Locale locale = (Locale) context.get("locale");
        try {
            Debug.logInfo("In testServiceLockWaitTimeoutRetryCantRecoverWaiter updating SVCLWTRTCR", module);


            // TRY grab entity SVCLWTRTCR by looking up and changing, should get a lock wait timeout exception because of the Grabber thread
            GenericValue testingType = delegator.findOne("TestingType", false, "testingTypeId", "SVCLWTRTCR");
            testingType.set("description", "New description for SVCLWTRTCR from Lock Wait Timeout Lock Waiter, this is the value that should be there.");
            testingType.store();


            Debug.logInfo("In testServiceLockWaitTimeoutRetryCantRecoverWaiter successfully updated SVCLWTRTCR", module);
        } catch (GenericEntityException e) {

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