Example usage for org.springframework.data.gemfire GemfireTemplate getRegion

Introduction

In this page you can find the example usage for org.springframework.data.gemfire GemfireTemplate getRegion.

Prototype

@SuppressWarnings("unchecked")
public <K, V> Region<K, V> getRegion() 

Source Link

Document

Returns the template Pivotal GemFire Cache Region.

Usage

From source file:demo.vmware.commands.CommandRegionUtils.java

/**
 * this is an argument for making this a singleton bean instead of static. We cold then make this
 * ApplicationContextAware//  w  ww  .  j a va 2s .  c o m
 * 
 * @param mainContext
 * @param targetRegionName
 * @return
 */
public static GemfireTemplate findTemplateForRegionName(ApplicationContext mainContext,
        String targetRegionName) {
    Map<String, GemfireTemplate> allRegionTemplates = getAllGemfireTemplates(mainContext);
    for (String key : allRegionTemplates.keySet()) {
        GemfireTemplate oneTemplate = allRegionTemplates.get(key);
        if (oneTemplate.getRegion().getName().equals(targetRegionName)) {
            return oneTemplate;
        }
    }
    throw new IllegalArgumentException("region not found " + targetRegionName);
}

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From source file:demo.vmware.commands.CommandGetOneObject.java

@Override
public CommandResult run(ConfigurableApplicationContext mainContext, List<String> parameters) {
    List<String> messages = new ArrayList<String>();

    String targetRegionName = parameters.get(0);
    String targetKey = parameters.get(1);
    Map<String, GemfireTemplate> allRegionTemplates = CommandRegionUtils.getAllGemfireTemplates(mainContext);
    for (String key : allRegionTemplates.keySet()) {
        GemfireTemplate oneTemplate = allRegionTemplates.get(key);
        if (oneTemplate.getRegion().getName().equals(targetRegionName)) {
            Date startTimer = new Date();
            Object foundObject = oneTemplate.get(targetKey);
            Date endTimer = new Date();
            long timeDiffInMsec = endTimer.getTime() - startTimer.getTime();
            double timeDiff = timeDiffInMsec / 1000.0;
            messages.add("Region " + targetRegionName + ": get key=" + targetKey + " contains " + foundObject
                    + " took " + timeDiff + " secs");
        }/*ww w .  j  ava  2 s. c  o  m*/
    }
    if (messages.size() == 0) {
        messages.add("No data found.");
    }
    return new CommandResult(null, messages);

}

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From source file:demo.vmware.commands.CommandPurgeAllRegions.java

@Override
public CommandResult run(ConfigurableApplicationContext mainContext, List<String> parameters) {
    List<String> messages = new ArrayList<String>();
    Map<String, GemfireTemplate> allRegionTemplates = CommandRegionUtils.getAllGemfireTemplates(mainContext);
    for (String key : allRegionTemplates.keySet()) {
        GemfireTemplate oneTemplate = allRegionTemplates.get(key);
        // this throws unsupported operation error
        // oneTemplate.getRegion().clear();
        removeAllFromRegion(oneTemplate.getRegion());
        messages.add("Region: " + oneTemplate.getRegion().getName() + " contains "
                + oneTemplate.getRegion().size() + " elements");
    }/*from   w w  w. j av  a2s .c  om*/
    return new CommandResult(null, messages);
}

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From source file:demo.vmware.commands.CommandGetAllRegions.java

/**
 * Retrieve the contents for all regions, one region per task executor
 *//*from  www  .  j a  va  2  s. c o  m*/
@Override
public CommandResult run(ConfigurableApplicationContext mainContext, List<String> parameters) {
    // Use the template for this meaning we can only fetch the whole contents of any region we have a template for
    // CommandGetCounts goes right to the cache so it may list more regions
    Map<String, GemfireTemplate> allRegionTemplates = CommandRegionUtils.getAllGemfireTemplates(mainContext);

    // use the Java executor service because of it's awesome invokeAll method.
    ExecutorService taskExecutor = Executors.newFixedThreadPool(allRegionTemplates.size());
    Collection tasks = new ArrayList<RegionFetcher>();

    CommandTimer timer = new CommandTimer();
    for (String key : allRegionTemplates.keySet()) {
        GemfireTemplate oneTemplate = allRegionTemplates.get(key);
        if (parallelFetch) {
            tasks.add(new RegionFetcher(oneTemplate.getRegion().getName(), 0, oneTemplate));
        } else {
            // don't write anything out and don't capture results
            fetchOneRegion(oneTemplate.getRegion().getName(), 5, oneTemplate);
        }
    }
    if (parallelFetch) {
        // invokeAll() returns when all tasks are complete
        try {
            List<Future<?>> futures = taskExecutor.invokeAll(tasks);
            taskExecutor.shutdown();
            LOG.info("Fetched " + futures.size() + " regions in threads");
            // the futures hold the results at this point futures.get(X).get();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
    timer.stop();
    return new CommandResult(null, "Loading all regions took " + timer.getTimeDiffInSeconds() + " seconds");
}

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From source file:org.springframework.data.gemfire.support.JSONRegionAdvice.java

@Around("execution(* org.springframework.data.gemfire.GemfireOperations.find(..)) "
        + "|| execution(* org.springframework.data.gemfire.GemfireOperations.findUnique(..)) "
        + "|| execution(* org.springframework.data.gemfire.GemfireOperations.query(..))")
public Object templateQuery(ProceedingJoinPoint pjp) {
    GemfireTemplate template = (GemfireTemplate) pjp.getTarget();
    boolean jsonRegion = isIncludedSONRegion(template.getRegion());
    Object returnValue = null;/*from w ww  . j a  v a 2s . c om*/

    try {
        if (jsonRegion) {
            returnValue = pjp.proceed();
            if (returnValue instanceof SelectResults && convertReturnedCollections) {
                ResultsBag resultsBag = new ResultsBag();
                for (Object obj : (SelectResults<?>) returnValue) {
                    resultsBag.add(convertPdxInstanceToJSONString(obj));
                }
                returnValue = resultsBag;
            } else {
                returnValue = convertPdxInstanceToJSONString(returnValue);
            }
        } else {
            returnValue = pjp.proceed();
        }
    } catch (Throwable t) {
        handleThrowable(t);
    }
    return returnValue;
}

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From source file:org.springframework.data.gemfire.serialization.json.JSONRegionAdvice.java

@Around("execution(* org.springframework.data.gemfire.GemfireOperations.find(..)) "
        + "|| execution(* org.springframework.data.gemfire.GemfireOperations.findUnique(..)) "
        + "|| execution(* org.springframework.data.gemfire.GemfireOperations.query(..))")
public Object templateQuery(ProceedingJoinPoint pjp) {

    GemfireTemplate template = (GemfireTemplate) pjp.getTarget();

    boolean jsonRegion = isIncludedJsonRegion(template.getRegion());

    Object returnValue = null;/*from w  ww . j  a v  a 2s  .c o m*/

    try {
        if (jsonRegion) {

            returnValue = pjp.proceed();

            if (returnValue instanceof SelectResults && this.convertReturnedCollections) {

                ResultsBag resultsBag = new ResultsBag();

                for (Object obj : (SelectResults<?>) returnValue) {
                    resultsBag.add(convertToJson(obj));
                }

                returnValue = resultsBag;
            } else {
                returnValue = convertToJson(returnValue);
            }
        } else {
            returnValue = pjp.proceed();
        }
    } catch (Throwable cause) {
        handleThrowable(cause);
    }
    return returnValue;
}

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