Example usage for com.google.common.base Functions forPredicate

List of usage examples for com.google.common.base Functions forPredicate

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Introduction

In this page you can find the example usage for com.google.common.base Functions forPredicate.

Prototype

public static <T> Function<T, Boolean> forPredicate(Predicate<T> predicate)

Source Link

Document

Creates a function that returns the same boolean output as the given predicate for all inputs.

Usage

From source file:org.hobsoft.entangle.guava.GuavaConverters.java

public static <S> Converter<S, Boolean> forPredicate(Predicate<? super S> predicate) {
    return forFunction(Functions.forPredicate(predicate));
}

From source file:brooklyn.event.feed.http.HttpValueFunctions.java

public static Function<HttpToolResponse, Boolean> responseCodeEquals(final int expected) {
    return Functionals.chain(HttpValueFunctions.responseCode(),
            Functions.forPredicate(Predicates.equalTo(expected)));
}

From source file:brooklyn.event.feed.ssh.SshValueFunctions.java

public static Function<SshPollValue, Boolean> exitStatusEquals(final int expected) {
    return chain(SshValueFunctions.exitStatus(), Functions.forPredicate(Predicates.equalTo(expected)));
}

From source file:brooklyn.event.feed.http.HttpValueFunctions.java

public static Function<HttpToolResponse, Boolean> responseCodeEquals(final int... expected) {
    List<Integer> expectedList = Lists.newArrayList();
    for (int e : expected) {
        expectedList.add((Integer) e);
    }/*from w w w .  ja  va2  s.  c o m*/
    return Functionals.chain(HttpValueFunctions.responseCode(),
            Functions.forPredicate(Predicates.in(expectedList)));
}

From source file:com.vilt.minium.impl.Waits.java

public static void waitForPredicate(CoreWebElements<?> webElements, Duration timeout, Duration interval,
        Predicate<? super CoreWebElements<?>> predicate) {
    Configuration configuration = ((WebElementsDriverProvider<?>) webElements).configure();
    if (timeout == null) {
        timeout = configuration.defaultTimeout();
    }/*from w ww.ja  va  2 s .  c om*/
    if (interval == null) {
        interval = configuration.defaultInterval();
    }

    WebElementsWait wait = getWait(webElements, timeout, interval);

    Function<? super CoreWebElements<?>, Boolean> function = Functions.forPredicate(predicate);
    wait.until(function);
}

From source file:com.eucalyptus.util.CollectionUtils.java

/**
 * Apply the given predicate for each item in the iterable.
 *
 * <p>This method is an anti-pattern as the predicate is really an effect (it
 * can only be useful for its side effect)</p>
 *
 * @param iterable The iterable/*from  w w w .  j a va  2 s .co  m*/
 * @param predicate The predicate to apply
 * @param <T> The iterable type
 */
public static <T> void each(final Iterable<T> iterable, final Predicate<? super T> predicate) {
    each(iterable, Functions.forPredicate(predicate));
}

From source file:brooklyn.entity.webapp.jetty.Jetty6ServerImpl.java

@Override
public void connectSensors() {
    super.connectSensors();

    if (getDriver().isJmxEnabled()) {
        String serverMbeanName = "org.mortbay.jetty:type=server,id=0";
        String statsMbeanName = "org.mortbay.jetty.handler:type=atomicstatisticshandler,id=0";

        jmxFeedJetty = JmxFeed.builder().entity(this).period(500, TimeUnit.MILLISECONDS)
                .pollAttribute(new JmxAttributePollConfig<Boolean>(SERVICE_UP).objectName(serverMbeanName)
                        .attributeName("running")
                        .onSuccess(Functions.forPredicate(Predicates.<Object>equalTo(true)))
                        .setOnFailureOrException(false))
                .pollAttribute(new JmxAttributePollConfig<Integer>(REQUEST_COUNT).objectName(statsMbeanName)
                        .attributeName("requests"))
                .pollAttribute(new JmxAttributePollConfig<Integer>(RESPONSES_4XX_COUNT)
                        .objectName(statsMbeanName).attributeName("responses4xx"))
                .pollAttribute(new JmxAttributePollConfig<Integer>(RESPONSES_5XX_COUNT)
                        .objectName(statsMbeanName).attributeName("responses5xx"))
                .pollAttribute(new JmxAttributePollConfig<Integer>(TOTAL_PROCESSING_TIME)
                        .objectName(statsMbeanName).attributeName("requestTimeTotal"))
                .pollAttribute(new JmxAttributePollConfig<Integer>(MAX_PROCESSING_TIME)
                        .objectName(statsMbeanName).attributeName("requestTimeMax"))
                // NB: requestsActive may be useful
                .build();//from ww w .j  a  va2  s. com

        addEnricher(Enrichers.builder().combining(RESPONSES_4XX_COUNT, RESPONSES_5XX_COUNT)
                .publishing(ERROR_COUNT).computingSum().build());

        jmxFeedMx = JavaAppUtils.connectMXBeanSensors(this);
    } else {
        // if not using JMX
        log.warn("Jetty running without JMX monitoring; limited visibility of service available");
        // TODO we could do simple things, like check that web server is accepting connections
    }
}

From source file:org.apache.brooklyn.entity.webapp.jetty.Jetty6ServerImpl.java

@Override
public void connectSensors() {
    super.connectSensors();

    if (getDriver().isJmxEnabled()) {
        String serverMbeanName = "org.mortbay.jetty:type=server,id=0";
        String statsMbeanName = "org.mortbay.jetty.handler:type=atomicstatisticshandler,id=0";

        jmxFeedJetty = JmxFeed.builder().entity(this).period(500, TimeUnit.MILLISECONDS)
                .pollAttribute(new JmxAttributePollConfig<Boolean>(SERVICE_UP).objectName(serverMbeanName)
                        .attributeName("running")
                        .onSuccess(Functions.forPredicate(Predicates.<Object>equalTo(true)))
                        .setOnFailureOrException(false))
                .pollAttribute(new JmxAttributePollConfig<Integer>(REQUEST_COUNT).objectName(statsMbeanName)
                        .attributeName("requests")
                        .onFailureOrException(EntityFunctions.attribute(this, REQUEST_COUNT)))
                .pollAttribute(new JmxAttributePollConfig<Integer>(RESPONSES_4XX_COUNT)
                        .objectName(statsMbeanName).attributeName("responses4xx"))
                .pollAttribute(new JmxAttributePollConfig<Integer>(RESPONSES_5XX_COUNT)
                        .objectName(statsMbeanName).attributeName("responses5xx"))
                .pollAttribute(new JmxAttributePollConfig<Integer>(TOTAL_PROCESSING_TIME)
                        .objectName(statsMbeanName).attributeName("requestTimeTotal"))
                .pollAttribute(new JmxAttributePollConfig<Integer>(MAX_PROCESSING_TIME)
                        .objectName(statsMbeanName).attributeName("requestTimeMax"))
                // NB: requestsActive may be useful
                .build();//from w  w  w  .jav a2s. c  o  m

        enrichers().add(Enrichers.builder().combining(RESPONSES_4XX_COUNT, RESPONSES_5XX_COUNT)
                .publishing(ERROR_COUNT).computingSum().build());

        jmxFeedMx = JavaAppUtils.connectMXBeanSensors(this);
    } else {
        // if not using JMX
        log.warn("Jetty running without JMX monitoring; limited visibility of service available");
        // TODO we could do simple things, like check that web server is accepting connections
    }
}

From source file:com.vilt.minium.impl.Waits.java

/**
 *
 * @param webElements WebElement to test
 * @param timeout timeout duration/*from w  ww .j a  v a2s  .c o  m*/
 * @param interval interval duration
 * @param predicate predicate to check
 * @return true if wait for predicate was successful, false if timeout occured
 */
public static boolean waitForPredicateOrTimeout(CoreWebElements<?> webElements, Duration timeout,
        Duration interval, Predicate<? super CoreWebElements<?>> predicate) {
    Configuration configuration = ((WebElementsDriverProvider<?>) webElements).configure();
    if (timeout == null) {
        timeout = configuration.defaultTimeout();
    }
    if (interval == null) {
        interval = configuration.defaultInterval();
    }

    WebElementsWait wait = getWait(webElements, timeout, interval);

    Function<? super CoreWebElements<?>, Boolean> function = Functions.forPredicate(predicate);

    try {
        wait.until(function);
        return true;
    } catch (TimeoutException e) {
        return false;
    }
}

From source file:org.apache.brooklyn.entity.webapp.tomcat.TomcatServerImpl.java

@Override
public void connectSensors() {
    super.connectSensors();

    if (getDriver().isJmxEnabled()) {
        String requestProcessorMbeanName = "Catalina:type=GlobalRequestProcessor,name=\"http-*\"";

        Integer port = isHttpsEnabled() ? getAttribute(HTTPS_PORT) : getAttribute(HTTP_PORT);
        String connectorMbeanName = format("Catalina:type=Connector,port=%s", port);
        boolean retrieveUsageMetrics = getConfig(RETRIEVE_USAGE_METRICS);

        jmxWebFeed = JmxFeed.builder().entity(this).period(3000, TimeUnit.MILLISECONDS)
                .pollAttribute(new JmxAttributePollConfig<Boolean>(SERVICE_PROCESS_IS_RUNNING)
                        // TODO Want to use something different from SERVICE_PROCESS_IS_RUNNING,
                        // to indicate this is jmx MBean's reported state (or failure to connect)
                        .objectName(connectorMbeanName).attributeName("stateName")
                        .onSuccess(Functions.forPredicate(Predicates.<Object>equalTo("STARTED")))
                        .setOnFailureOrException(false).suppressDuplicates(true))
                .pollAttribute(new JmxAttributePollConfig<String>(CONNECTOR_STATUS)
                        .objectName(connectorMbeanName).attributeName("stateName").suppressDuplicates(true))
                .pollAttribute(/*from  ww  w .j  ava 2 s .c  om*/
                        new JmxAttributePollConfig<Integer>(ERROR_COUNT).objectName(requestProcessorMbeanName)
                                .attributeName("errorCount").enabled(retrieveUsageMetrics))
                .pollAttribute(
                        new JmxAttributePollConfig<Integer>(REQUEST_COUNT).objectName(requestProcessorMbeanName)
                                .attributeName("requestCount").enabled(retrieveUsageMetrics)
                                .onFailureOrException(EntityFunctions.attribute(this, REQUEST_COUNT)))
                .pollAttribute(new JmxAttributePollConfig<Integer>(TOTAL_PROCESSING_TIME)
                        .objectName(requestProcessorMbeanName).attributeName("processingTime")
                        .enabled(retrieveUsageMetrics))
                .build();

        jmxAppFeed = JavaAppUtils.connectMXBeanSensors(this);
    } else {
        // if not using JMX
        LOG.warn("Tomcat running without JMX monitoring; limited visibility of service available");
        connectServiceUpIsRunning();
    }
}