Examples with CqListener org.apache.geode.cache.query.CqListener used on opensource projects

Example 16 with CqListener

use of org.apache.geode.cache.query.CqListener in project geode by apache.

the class CqQueryDUnitTest method validateCQError.

private void validateCQError(VM vm, final String cqName, final int numError) {
    vm.invoke(new CacheSerializableRunnable("Validate CQs") {

        public void run2() throws CacheException {
            LogWriterUtils.getLogWriter().info("### Validating CQ. ### " + cqName);
            // Get CQ Service.
            QueryService cqService = null;
            try {
                cqService = getCache().getQueryService();
            } catch (Exception cqe) {
                cqe.printStackTrace();
                fail("Failed to getCQService.");
            }
            CqQuery cQuery = cqService.getCq(cqName);
            if (cQuery == null) {
                fail("Failed to get CqQuery for CQ : " + cqName);
            }
            CqAttributes cqAttr = cQuery.getCqAttributes();
            CqListener cqListener = cqAttr.getCqListener();
            CqQueryTestListener listener = (CqQueryTestListener) cqListener;
            listener.printInfo(false);
            // Check for totalEvents count.
            if (numError != noTest) {
                // Result size validation.
                listener.printInfo(true);
                assertEquals("Total Event Count mismatch", numError, listener.getErrorEventCount());
            }
        }
    });
}

Example 17 with CqListener

use of org.apache.geode.cache.query.CqListener in project geode by apache.

the class CqQueryDUnitTest method mutateCQAttributes.

// Exercise CQ attributes mutator functions
private void mutateCQAttributes(VM vm, final String cqName, final int mutator_function) throws Exception {
    vm.invoke(new CacheSerializableRunnable("Stop CQ :" + cqName) {

        public void run2() throws CacheException {
            CqQuery cq1 = null;
            LogWriterUtils.getLogWriter().info("### CQ attributes mutator for ###" + cqName);
            // Get CQ Service.
            QueryService cqService = null;
            try {
                cqService = getCache().getQueryService();
            } catch (Exception cqe) {
                cqe.printStackTrace();
                fail("Failed to getCQService.");
            }
            // Get CQ.
            try {
                cq1 = cqService.getCq(cqName);
            } catch (Exception ex) {
                ex.printStackTrace();
                fail("Failed to get CQ " + cqName + " . " + ex.getMessage());
            }
            CqAttributesMutator cqAttrMutator = cq1.getCqAttributesMutator();
            CqAttributes cqAttr = cq1.getCqAttributes();
            CqListener[] cqListeners;
            switch(mutator_function) {
                case CREATE:
                    // Reinitialize with 2 CQ Listeners
                    CqListener[] cqListenersArray = { new CqQueryTestListener(getCache().getLogger()), new CqQueryTestListener(getCache().getLogger()) };
                    cqAttrMutator.initCqListeners(cqListenersArray);
                    cqListeners = cqAttr.getCqListeners();
                    assertEquals("CqListener count mismatch", cqListeners.length, 2);
                    break;
                case UPDATE:
                    // Add 2 new CQ Listeners
                    CqListener newListener1 = new CqQueryTestListener(getCache().getLogger());
                    CqListener newListener2 = new CqQueryTestListener(getCache().getLogger());
                    cqAttrMutator.addCqListener(newListener1);
                    cqAttrMutator.addCqListener(newListener2);
                    cqListeners = cqAttr.getCqListeners();
                    assertEquals("CqListener count mismatch", cqListeners.length, 3);
                    break;
                case DESTROY:
                    cqListeners = cqAttr.getCqListeners();
                    cqAttrMutator.removeCqListener(cqListeners[0]);
                    cqListeners = cqAttr.getCqListeners();
                    assertEquals("CqListener count mismatch", cqListeners.length, 2);
                    // Remove a listener and validate
                    cqAttrMutator.removeCqListener(cqListeners[0]);
                    cqListeners = cqAttr.getCqListeners();
                    assertEquals("CqListener count mismatch", cqListeners.length, 1);
                    break;
            }
        }
    });
}

Example 18 with CqListener

use of org.apache.geode.cache.query.CqListener in project geode by apache.

the class DurableClientTestCase method createCq.

protected CqQuery createCq(String cqName, String cqQuery, boolean durable) throws CqException, CqExistsException {
    QueryService qs = CacheServerTestUtil.getCache().getQueryService();
    CqAttributesFactory cqf = new CqAttributesFactory();
    CqListener[] cqListeners = { new CacheServerTestUtil.ControlCqListener() };
    cqf.initCqListeners(cqListeners);
    CqAttributes cqa = cqf.create();
    return qs.newCq(cqName, cqQuery, cqa, durable);
}

Example 19 with CqListener

use of org.apache.geode.cache.query.CqListener in project geode by apache.

the class CQListGIIDUnitTest method createCQ.

/* Register CQs */
public static void createCQ(String cqName, String queryStr) {
    org.apache.geode.test.dunit.LogWriterUtils.getLogWriter().info("### Create CQ. ###" + cqName);
    // Get CQ Service.
    QueryService cqService = null;
    try {
        cqService = cache.getQueryService();
    } catch (Exception cqe) {
        Assert.fail("Failed to getCQService.", cqe);
    }
    // Create CQ Attributes.
    CqAttributesFactory cqf = new CqAttributesFactory();
    CqListener[] cqListeners = { new CqQueryTestListener(org.apache.geode.test.dunit.LogWriterUtils.getLogWriter()) };
    ((CqQueryTestListener) cqListeners[0]).cqName = cqName;
    cqf.initCqListeners(cqListeners);
    CqAttributes cqa = cqf.create();
    // Create CQ.
    try {
        CqQuery cq1 = cqService.newCq(cqName, queryStr, cqa);
        assertTrue("newCq() state mismatch", cq1.getState().isStopped());
    } catch (Exception ex) {
        fail("Failed to create CQ " + cqName + " . ", ex);
    }
}

Example 20 with CqListener

use of org.apache.geode.cache.query.CqListener in project geode by apache.

the class CqServiceImpl method invokeListeners.

private void invokeListeners(String cqName, ClientCQImpl cQuery, CqEventImpl cqEvent, Object[] fullValue) {
    if (!cQuery.isRunning() || cQuery.getCqAttributes() == null) {
        return;
    }
    // invoke CQ Listeners.
    CqListener[] cqListeners = cQuery.getCqAttributes().getCqListeners();
    final boolean isDebugEnabled = logger.isDebugEnabled();
    if (isDebugEnabled) {
        logger.debug("Invoking CQ listeners for {}, number of listeners : {} cqEvent : {}", cqName, cqListeners.length, cqEvent);
    }
    for (int lCnt = 0; lCnt < cqListeners.length; lCnt++) {
        try {
            // by the CqAttributeMutator.
            if (cqListeners[lCnt] != null) {
                cQuery.getVsdStats().incNumCqListenerInvocations();
                try {
                    if (cqEvent.getThrowable() != null) {
                        cqListeners[lCnt].onError(cqEvent);
                    } else {
                        cqListeners[lCnt].onEvent(cqEvent);
                    }
                } catch (InvalidDeltaException ide) {
                    if (isDebugEnabled) {
                        logger.debug("CqService.dispatchCqListeners(): Requesting full value...");
                    }
                    Part result = (Part) GetEventValueOp.executeOnPrimary(cqEvent.getQueueManager().getPool(), cqEvent.getEventID(), null);
                    Object newVal = result.getObject();
                    if (result == null || newVal == null) {
                        if (!cache.getCancelCriterion().isCancelInProgress()) {
                            Exception ex = new Exception("Failed to retrieve full value from server for eventID " + cqEvent.getEventID());
                            logger.warn(LocalizedMessage.create(LocalizedStrings.CqService_EXCEPTION_IN_THE_CQLISTENER_OF_THE_CQ_CQNAME_0_ERROR__1, new Object[] { cqName, ex.getMessage() }));
                            if (isDebugEnabled) {
                                logger.debug(ex.getMessage(), ex);
                            }
                        }
                    } else {
                        this.cache.getCachePerfStats().incDeltaFullValuesRequested();
                        cqEvent = new CqEventImpl(cQuery, cqEvent.getBaseOperation(), cqEvent.getQueryOperation(), cqEvent.getKey(), newVal, cqEvent.getDeltaValue(), cqEvent.getQueueManager(), cqEvent.getEventID());
                        if (cqEvent.getThrowable() != null) {
                            cqListeners[lCnt].onError(cqEvent);
                        } else {
                            cqListeners[lCnt].onEvent(cqEvent);
                        }
                        if (fullValue != null) {
                            fullValue[0] = newVal;
                        }
                    }
                }
            }
        // Handle client side exceptions.
        } catch (Exception ex) {
            if (!cache.getCancelCriterion().isCancelInProgress()) {
                logger.warn(LocalizedMessage.create(LocalizedStrings.CqService_EXCEPTION_IN_THE_CQLISTENER_OF_THE_CQ_CQNAME_0_ERROR__1, new Object[] { cqName, ex.getMessage() }));
                if (isDebugEnabled) {
                    logger.debug(ex.getMessage(), ex);
                }
            }
        } catch (VirtualMachineError err) {
            SystemFailure.initiateFailure(err);
            // now, so don't let this thread continue.
            throw err;
        } catch (Throwable t) {
            // Whenever you catch Error or Throwable, you must also
            // catch VirtualMachineError (see above). However, there is
            // _still_ a possibility that you are dealing with a cascading
            // error condition, so you also need to check to see if the JVM
            // is still usable:
            SystemFailure.checkFailure();
            logger.warn(LocalizedMessage.create(LocalizedStrings.CqService_RUNTIME_EXCEPTION_IN_THE_CQLISTENER_OF_THE_CQ_CQNAME_0_ERROR__1, new Object[] { cqName, t.getLocalizedMessage() }));
            if (isDebugEnabled) {
                logger.debug(t.getMessage(), t);
            }
        }
    }
}