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

Introduction

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

Prototype

public static <E> Function<Object, E> constant(@Nullable E value) 

Source Link

Document

Creates a function that returns value for any input.

Usage

From source file:brooklyn.entity.nosql.couchbase.CouchbaseSyncGatewayImpl.java

@Override
protected void connectServiceUpIsRunning() {
    HostAndPort hp = BrooklynAccessUtils.getBrooklynAccessibleAddress(this,
            getAttribute(CouchbaseSyncGateway.ADMIN_REST_API_PORT));

    String managementUri = String.format("http://%s:%s", hp.getHostText(), hp.getPort());

    setAttribute(MANAGEMENT_URL, managementUri);

    httpFeed = HttpFeed.builder().entity(this).period(200).baseUri(managementUri)
            .poll(new HttpPollConfig<Boolean>(SERVICE_UP).onSuccess(HttpValueFunctions.responseCodeEquals(200))
                    .onFailureOrException(Functions.constant(false)))
            .build();//from w ww.j a  v  a2  s.  c om
}

---

From source file:brooklyn.entity.nosql.solr.SolrServerImpl.java

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

    HostAndPort hp = BrooklynAccessUtils.getBrooklynAccessibleAddress(this, getSolrPort());

    String solrUri = String.format("http://%s:%d/solr", hp.getHostText(), hp.getPort());
    setAttribute(Attributes.MAIN_URI, URI.create(solrUri));

    httpFeed = HttpFeed.builder().entity(this).period(500, TimeUnit.MILLISECONDS).baseUri(solrUri)
            .poll(new HttpPollConfig<Boolean>(SERVICE_UP).onSuccess(HttpValueFunctions.responseCodeEquals(200))
                    .onFailureOrException(Functions.constant(false)))
            .build();//from   w ww.  j  a  va2  s .  c  o m
}

---

From source file:org.apache.brooklyn.entity.nosql.couchbase.CouchbaseSyncGatewayImpl.java

@Override
protected void connectServiceUpIsRunning() {
    HostAndPort hp = BrooklynAccessUtils.getBrooklynAccessibleAddress(this,
            getAttribute(CouchbaseSyncGateway.ADMIN_REST_API_PORT));

    String managementUri = String.format("http://%s:%s", hp.getHostText(), hp.getPort());

    sensors().set(MANAGEMENT_URL, managementUri);

    httpFeed = HttpFeed.builder().entity(this).period(200).baseUri(managementUri)
            .poll(new HttpPollConfig<Boolean>(SERVICE_UP).onSuccess(HttpValueFunctions.responseCodeEquals(200))
                    .onFailureOrException(Functions.constant(false)))
            .build();//www .j av  a  2s  . c  o m
}

---

From source file:org.apache.brooklyn.entity.nosql.solr.SolrServerImpl.java

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

    HostAndPort hp = BrooklynAccessUtils.getBrooklynAccessibleAddress(this, getSolrPort());

    String solrUri = String.format("http://%s:%d/solr", hp.getHostText(), hp.getPort());
    sensors().set(Attributes.MAIN_URI, URI.create(solrUri));

    httpFeed = HttpFeed.builder().entity(this).period(500, TimeUnit.MILLISECONDS).baseUri(solrUri)
            .poll(new HttpPollConfig<Boolean>(SERVICE_UP).onSuccess(HttpValueFunctions.responseCodeEquals(200))
                    .onFailureOrException(Functions.constant(false)))
            .build();/*from w w  w .j av a 2 s .  c  o  m*/
}

---

From source file:edu.uci.ics.jung.algorithms.scoring.HITSWithPriors.java

/**
 * Creates an instance for the specified graph, vertex priors, and random
 * jump probability (alpha).  The edge weights default to 1.0.
 * @param g the input graph/* w  w w .  j a va2 s . c om*/
 * @param vertex_priors the prior probability for each vertex
 * @param alpha the probability of a random jump at each step
 */
public HITSWithPriors(Hypergraph<V, E> g, Function<V, HITS.Scores> vertex_priors, double alpha) {
    super(g, Functions.constant(1.0), vertex_priors, alpha);
    disappearing_potential = new HITS.Scores(0, 0);
}

---

From source file:net.hydromatic.optiq.prepare.RelOptTableImpl.java

public static RelOptTableImpl create(RelOptSchema schema, RelDataType rowType, List<String> names,
        Expression expression) {/* w  w  w .java  2  s .  co  m*/
    //noinspection unchecked
    final Function<Class, Expression> expressionFunction = (Function) Functions.constant(expression);
    return new RelOptTableImpl(schema, rowType, names, null, expressionFunction, null);
}

---

From source file:org.apache.brooklyn.entity.stock.DataEntityImpl.java

protected void connectSensors() {
    FunctionFeed.Builder builder = FunctionFeed.builder().entity(this).period(getConfig(POLL_PERIOD));

    Map<AttributeSensor<?>, Supplier<?>> map = getConfig(SENSOR_SUPPLIER_MAP);
    if (map != null && map.size() > 0) {
        for (Map.Entry<AttributeSensor<?>, Supplier<?>> entry : map.entrySet()) {
            final AttributeSensor sensor = entry.getKey();
            final Supplier<?> supplier = entry.getValue();
            builder.poll(new FunctionPollConfig<Object, Object>(sensor).supplier(supplier)
                    .onFailureOrException(Functions.constant(null)));
        }/* ww  w  .j  a v a2s. co  m*/
    }

    feed = builder.build();
}

---

From source file:net.automatalib.util.automata.copy.AutomatonLowLevelCopy.java

/**
 * Copies an {@link Automaton} to a {@link MutableAutomaton} with possibly heterogeneous input alphabets and
 * state and transition properties.//  www . jav a  2 s  .  c  om
 * 
 * @param <S1> input automaton state type
 * @param <I1> input automaton input symbol type
 * @param <T1> input automaton transition type
 * @param <S2> output automaton state type
 * @param <I2> output automaton input symbol type
 * @param <T2> output automaton transition type
 * @param <SP2> output automaton state property type
 * @param <TP2> output automaton transition property type
 * @param method the copy method to use
 * @param in the input automaton
 * @param inputs the inputs to consider
 * @param out the output automaton
 * @param inputsMapping the transformation for input symbols
 * @param spMapping the function for obtaining state properties
 * @param tpMapping the function for obtaining transition properties
 * @param stateFilter the filter predicate for states
 * @param transFilter the filter predicate for transitions
 * @return a mapping from old to new states
 */
public static <S1, I1, T1, S2, I2, T2, SP2, TP2> Mapping<S1, S2> rawCopy(AutomatonCopyMethod method,
        Automaton<S1, ? super I1, T1> in, Collection<? extends I1> inputs,
        MutableAutomaton<S2, I2, T2, ? super SP2, ? super TP2> out,
        Function<? super I1, ? extends I2> inputsMapping, Function<? super S1, ? extends SP2> spMapping,
        Function<? super T1, ? extends TP2> tpMapping, Predicate<? super S1> stateFilter,
        TransitionPredicate<? super S1, ? super I1, ? super T1> transFilter) {
    if (spMapping == null) {
        spMapping = Functions.constant(null);
    }
    if (tpMapping == null) {
        tpMapping = Functions.constant(null);
    }
    if (stateFilter == null) {
        stateFilter = Predicates.alwaysTrue();
    }
    if (transFilter == null) {
        transFilter = TransitionPredicates.alwaysTrue();
    }

    LowLevelAutomatonCopier<S1, I1, T1, S2, I2, T2, SP2, TP2> copier = method.createLowLevelCopier(in, inputs,
            out, inputsMapping, spMapping, tpMapping, stateFilter, transFilter);
    copier.doCopy();
    return copier.getStateMapping();
}

---

From source file:brooklyn.entity.basic.EntityTasks.java

/** as {@link #requiringAttributeEventually(Entity, AttributeSensor, Predicate, Duration) for multiple entities */
public static <T> Task<Boolean> requiringAttributeEventually(Iterable<Entity> entities,
        AttributeSensor<T> sensor, Predicate<T> condition, Duration timeout) {
    return DependentConfiguration.builder().attributeWhenReadyFromMultiple(entities, sensor, condition)
            .postProcess(Functions.constant(true)).timeout(timeout).onTimeoutThrow().onUnmanagedThrow()
            .postProcessFromMultiple(CollectionFunctionals.all(Predicates.equalTo(true))).build();
}

---

From source file:org.terasology.rendering.nui.layers.mainMenu.PlayerSettingsScreen.java

@Override
public void initialise() {
    UIText nametext = find("playername", UIText.class);
    if (nametext != null) {
        nametext.bindText(BindHelper.bindBeanProperty("name", config.getPlayer(), String.class));
    }/*w  w  w  .j a  va  2s  .c  om*/

    Color color = config.getPlayer().getColor();

    img = find("image", UIImage.class);

    slider = find("tone", UISlider.class);
    slider.bindValue(new NotifyingBinding(findClosestIndex(color)));
    slider.setIncrement(0.01f);
    Function<Object, String> constant = Functions.constant("  "); // ensure a certain width
    slider.setLabelFunction(constant);

    WidgetUtil.trySubscribe(this, "close", new ActivateEventListener() {
        @Override
        public void onActivated(UIWidget button) {
            getManager().popScreen();
        }
    });

    updateImage();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• »