Example usage for com.google.common.base Predicates alwaysTrue

Introduction

In this page you can find the example usage for com.google.common.base Predicates alwaysTrue.

Prototype

@GwtCompatible(serializable = true)
public static <T> Predicate<T> alwaysTrue()

Source Link

Document

Returns a predicate that always evaluates to true .

Usage

From source file:org.apache.brooklyn.enricher.stock.Combiner.java

@SuppressWarnings({ "unchecked", "rawtypes" })
@Override//from   ww w.  j  a  v a  2 s . co  m
public void setEntity(EntityLocal entity) {
    super.setEntity(entity);
    this.transformation = (Function<? super Collection<T>, ? extends U>) getRequiredConfig(TRANSFORMATION);
    this.producer = getConfig(PRODUCER) == null ? entity : getConfig(PRODUCER);
    this.sourceSensors = (Set) getRequiredConfig(SOURCE_SENSORS);
    this.targetSensor = (Sensor<U>) getRequiredConfig(TARGET_SENSOR);
    this.valueFilter = (Predicate<? super T>) (getConfig(VALUE_FILTER) == null ? Predicates.alwaysTrue()
            : getConfig(VALUE_FILTER));

    checkState(sourceSensors.size() > 0, "must specify at least one sourceSensor");

    for (Sensor<T> sourceSensor : sourceSensors) {
        subscriptions().subscribe(producer, sourceSensor, this);
    }

    for (Sensor<T> sourceSensor : sourceSensors) {
        if (sourceSensor instanceof AttributeSensor) {
            Object value = producer.getAttribute((AttributeSensor<?>) sourceSensor);
            // TODO Aled didn't you write a convenience to "subscribeAndRunIfSet" ? (-Alex)
            //      Unfortunately not yet!
            if (value != null) {
                onEvent(new BasicSensorEvent(sourceSensor, producer, value, -1));
            }
        }
    }
}

From source file:com.eucalyptus.component.ServiceConfigurations.java

public static <T extends ServiceConfiguration> List<ServiceConfiguration> list() throws PersistenceException {
    Predicate<ServiceConfiguration> alwaysTrue = Predicates.alwaysTrue();
    return Lists.newArrayList(filter(alwaysTrue));
}

From source file:lab.meals.Meals.java

private Predicate<Meal> determineFilter(Set<String> ingredients) {
    Predicate<Meal> filter = Predicates.alwaysTrue();
    if (ingredients != null && !ingredients.isEmpty()) {
        filter = new IngredientFilter(ingredients);
    }/*  w  w  w. j  a  v  a2s .c  o  m*/
    return filter;
}

From source file:org.eclipse.sirius.diagram.ui.tools.internal.actions.layout.AbstractCopyPasteLayoutAction.java

/**
 * Indicates if the given ddiagram is allowing copy/paste layout.
 * //from   www.  j  a v a2  s.co  m
 * @param diagram
 *            the diagram to inspect
 * @return true if the given ddiagram is allowing copy/paste layout actions,
 *         false otherwise
 */
public static Predicate<DSemanticDecorator> allowsCopyPasteLayout(DDiagram diagram) {
    // default return value is true (for basic DDiagram that are not handled
    // by any DiagramDescriptionProvider).
    Predicate<DSemanticDecorator> result = Predicates.alwaysTrue();

    // If an aird has been opened from the Package Explorer View, then
    // we return false as no diagram is associated to this editor
    if (diagram == null || diagram.getDescription() == null) {
        return Predicates.alwaysFalse();
    }

    // If diagram is not null, we search for a possible
    // DiagramDescriptionProvider handling this type of diagram
    for (final IDiagramTypeDescriptor diagramTypeDescriptor : DiagramTypeDescriptorRegistry.getInstance()
            .getAllDiagramTypeDescriptors()) {
        if (diagramTypeDescriptor.getDiagramDescriptionProvider()
                .handles(diagram.getDescription().eClass().getEPackage())) {
            // This DiagramDescriptionProvider may forbid copy/paste layout.
            final IDiagramDescriptionProvider provider = diagramTypeDescriptor.getDiagramDescriptionProvider();
            result = new Predicate<DSemanticDecorator>() {
                @Override
                public boolean apply(DSemanticDecorator input) {
                    return provider.allowsCopyPasteLayout(input);
                }
            };
            break;
        }
    }

    return result;
}

From source file:org.eclipse.sirius.diagram.ui.tools.internal.actions.layout.AbstractCopyPasteFormatAction.java

/**
 * Indicates if the given ddiagram is allowing copy/paste format.
 * //from w  w w  .  j a v a  2s. c o  m
 * @param diagram
 *            the diagram to inspect
 * @return true if the given ddiagram is allowing copy/paste format actions,
 *         false otherwise
 */
public static Predicate<DSemanticDecorator> allowsCopyPasteFormat(DDiagram diagram) {
    // default return value is true (for basic DDiagram that are not handled
    // by any DiagramDescriptionProvider).
    Predicate<DSemanticDecorator> result = Predicates.alwaysTrue();

    // If an aird has been opened from the Package Explorer View, then
    // we return false as no diagram is associated to this editor
    if (diagram == null || diagram.getDescription() == null) {
        return Predicates.alwaysFalse();
    }

    // If diagram is not null, we search for a possible
    // DiagramDescriptionProvider handling this type of diagram
    for (final IDiagramTypeDescriptor diagramTypeDescriptor : DiagramTypeDescriptorRegistry.getInstance()
            .getAllDiagramTypeDescriptors()) {
        if (diagramTypeDescriptor.getDiagramDescriptionProvider()
                .handles(diagram.getDescription().eClass().getEPackage())) {
            // This DiagramDescriptionProvider may forbid copy/paste format.
            final IDiagramDescriptionProvider provider = diagramTypeDescriptor.getDiagramDescriptionProvider();
            result = new Predicate<DSemanticDecorator>() {
                @Override
                public boolean apply(DSemanticDecorator input) {
                    return provider.allowsCopyPasteFormat(input);
                }
            };
            break;
        }
    }

    return result;
}

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. State and transitions will not be filtered.
 * //from  ww  w .j  av a 2  s.  c o  m
 * @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
 * @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) {
    return rawCopy(method, in, inputs, out, inputsMapping, spMapping, tpMapping, Predicates.alwaysTrue(),
            TransitionPredicates.alwaysTrue());
}

From source file:com.eucalyptus.autoscaling.common.internal.groups.PersistenceAutoScalingGroups.java

@Override
public <T> List<T> listRequiringMonitoring(final Set<MonitoringSelector> selectors,
        final Function<? super AutoScalingGroup, T> transform) throws AutoScalingMetadataException {
    final Collection<String> suffixes = selectors.stream()
            .flatMap(FUtils.chain(MonitoringSelector::suffixes, Collection::stream))
            .collect(Collectors.toSet());

    final Junction likeAnyOf = Restrictions.disjunction();
    for (final String suffix : suffixes) {
        likeAnyOf.add(Restrictions.ilike("id", "%" + suffix));
    }/*from w  ww .  jav  a  2s  . c om*/

    return persistenceSupport.listByExample(AutoScalingGroup.withOwner(null), Predicates.alwaysTrue(),
            likeAnyOf, Collections.<String, String>emptyMap(), transform);
}

From source file:com.google.caliper.memory.ObjectGraphMeasurer.java

/**
 * Measures the footprint of the specified object graph.
 * The object graph is defined by a root object and whatever object can be
 * reached through that, excluding static fields, {@code Class} objects,
 * and fields defined in {@code enum}s (all these are considered shared
 * values, which should not contribute to the cost of any single object
 * graph)./*from  ww  w.  j  a va  2 s  . com*/
 *
 * <p>Equivalent to {@code measure(rootObject, Predicates.alwaysTrue())}.
 *
 * @param rootObject the root object of the object graph
 * @return the footprint of the object graph
 */
public static Footprint measure(Object rootObject) {
    return measure(rootObject, Predicates.alwaysTrue());
}

From source file:com.eucalyptus.autoscaling.common.internal.instances.PersistenceAutoScalingInstances.java

@Override
public <T> List<T> listUnhealthyByGroup(final AutoScalingGroupMetadata group,
        final Function<? super AutoScalingInstance, T> transform) throws AutoScalingMetadataException {
    final AutoScalingInstance example = exampleForGroup(group);
    example.setHealthStatus(HealthStatus.Unhealthy);
    return persistenceSupport.listByExample(example, Predicates.alwaysTrue(), transform);
}

From source file:com.eucalyptus.autoscaling.common.internal.activities.PersistenceScalingActivities.java

@Override
public <T> List<T> listByActivityStatusCode(@Nullable final OwnerFullName ownerFullName,
        @Nonnull final Collection<ActivityStatusCode> statusCodes,
        @Nonnull final Function<? super ScalingActivity, T> transform) throws AutoScalingMetadataException {
    final ScalingActivity example = ScalingActivity.withOwner(ownerFullName);
    final Conjunction conjunction = Restrictions.conjunction();
    if (!statusCodes.isEmpty()) {
        conjunction.add(Restrictions.in("statusCode", statusCodes));
    }/*from  ww  w . j  ava2s  .  c o m*/
    return persistenceSupport.listByExample(example, Predicates.alwaysTrue(), conjunction,
            Collections.<String, String>emptyMap(), transform);
}