Example usage for java.util Set isEmpty

Introduction

In this page you can find the example usage for java.util Set isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this set contains no elements.

Usage

From source file:io.wcm.dam.assetservice.impl.DamPathHandler.java

private static Set<String> validateDamPaths(String[] damPaths) {
    Set<String> paths = new HashSet<>();
    if (damPaths != null) {
        for (String path : damPaths) {
            if (StringUtils.isNotBlank(path)) {
                paths.add(path);//from   w  ww. java 2  s.c o m
            }
        }
    }
    if (paths.isEmpty()) {
        paths.add(DEFAULT_DAM_PATH);
    }
    return ImmutableSet.copyOf(paths);
}

From source file:com.enonic.cms.core.search.builder.ContentIndexDataFieldValueSetFactory.java

public static Set<ContentIndexDataFieldAndValue> create(ContentIndexDataElement element) {
    final Set<ContentIndexDataFieldAndValue> contentIndexDataFieldAndValues = Sets.newHashSet();

    addStringFieldValue(element, contentIndexDataFieldAndValues);
    addNumericFieldValue(element, contentIndexDataFieldAndValues);
    addDateFieldValue(element, contentIndexDataFieldAndValues);

    if (!contentIndexDataFieldAndValues.isEmpty()) {
        addOrderbyValue(element, contentIndexDataFieldAndValues);
    }//www  .j  ava2s  .  c  o m

    return contentIndexDataFieldAndValues;
}

From source file:com.h6ah4i.android.compat.utils.SharedPreferencesJsonStringSetWrapperUtils.java

public static boolean putStringSet(SharedPreferences.Editor editor, String key, Set<String> values) {
    try {//from w  ww  .  j ava 2s .c  o m
        final JSONArray a = new JSONArray();
        final String[] strValues = (String[]) values.toArray(new String[values.size()]);

        for (int i = 0; i < values.size(); i++) {
            a.put(strValues[i]);
        }

        if (!values.isEmpty()) {
            editor.putString(key, a.toString());
        } else {
            editor.putString(key, null);
        }

        return editor.commit();
    } catch (RuntimeException e) {
        Log.e(TAG, "putStringSet()", e);

        return false;
    }
}

From source file:com.qrmedia.commons.persistence.hibernate.clone.HibernateEntityBeanCloner.java

private static Collection<String> calculateTargetedFieldNames(Object entity, boolean preserveIdFields) {
    Collection<String> targetedFieldNames = new ArrayList<String>();
    Class<?> entityClass = entity.getClass();

    for (Field field : ClassUtils.getAllDeclaredFields(entityClass)) {
        String fieldName = field.getName();

        // ignore static members and members without a valid getter and setter
        if (!Modifier.isStatic(field.getModifiers()) && PropertyUtils.isReadable(entity, fieldName)
                && PropertyUtils.isWriteable(entity, fieldName)) {
            targetedFieldNames.add(field.getName());
        }/*from w w  w .  jav  a 2 s  . c  o  m*/

    }

    /*
     * Assume that, in accordance with recommendations, entities are using *either* JPA property
     * *or* field access. Guess the access type from the location of the @Id annotation, as
     * Hibernate does.
     */
    Set<Method> idAnnotatedMethods = ClassUtils.getAnnotatedMethods(entityClass, Id.class);
    boolean usingFieldAccess = idAnnotatedMethods.isEmpty();

    // ignore fields annotated with @Version and, optionally, @Id
    targetedFieldNames.removeAll(usingFieldAccess
            ? getFieldNames(ClassUtils.getAllAnnotatedDeclaredFields(entityClass, Version.class))
            : getPropertyNames(ClassUtils.getAnnotatedMethods(entityClass, Version.class)));

    if (!preserveIdFields) {
        targetedFieldNames.removeAll(usingFieldAccess
                ? getFieldNames(ClassUtils.getAllAnnotatedDeclaredFields(entityClass, Id.class))
                : getPropertyNames(idAnnotatedMethods));
    }

    return targetedFieldNames;
}

From source file:com.flipkart.foxtrot.core.TestUtils.java

public static void registerActions(AnalyticsLoader analyticsLoader, ObjectMapper mapper) throws Exception {
    Reflections reflections = new Reflections("com.flipkart.foxtrot", new SubTypesScanner());
    Set<Class<? extends Action>> actions = reflections.getSubTypesOf(Action.class);
    if (actions.isEmpty()) {
        throw new Exception("No analytics actions found!!");
    }/*  ww  w .  j  ava2 s. c  o  m*/
    List<NamedType> types = new Vector<NamedType>();
    for (Class<? extends Action> action : actions) {
        AnalyticsProvider analyticsProvider = action.getAnnotation(AnalyticsProvider.class);
        if (null == analyticsProvider.request() || null == analyticsProvider.opcode()
                || analyticsProvider.opcode().isEmpty() || null == analyticsProvider.response()) {
            throw new Exception("Invalid annotation on " + action.getCanonicalName());
        }
        if (analyticsProvider.opcode().equalsIgnoreCase("default")) {
            logger.warn("Action " + action.getCanonicalName() + " does not specify cache token. "
                    + "Using default cache.");
        }
        analyticsLoader.register(new ActionMetadata(analyticsProvider.request(), action,
                analyticsProvider.cacheable(), analyticsProvider.opcode()));
        types.add(new NamedType(analyticsProvider.request(), analyticsProvider.opcode()));
        types.add(new NamedType(analyticsProvider.response(), analyticsProvider.opcode()));
        logger.info("Registered action: " + action.getCanonicalName());
    }
    mapper.getSubtypeResolver().registerSubtypes(types.toArray(new NamedType[types.size()]));
}

From source file:com.linkedin.pinot.controller.helix.core.PinotTableIdealStateBuilder.java

/**
 * Remove a segment is also required to recompute the ideal state.
 *
 * @param tableName//from ww  w  . j a  va 2s. c o  m
 * @param segmentId
 * @param helixAdmin
 * @param helixClusterName
 * @return
 */
public synchronized static IdealState dropSegmentFromIdealStateFor(String tableName, String segmentId,
        HelixAdmin helixAdmin, String helixClusterName) {

    final IdealState currentIdealState = helixAdmin.getResourceIdealState(helixClusterName, tableName);
    final Set<String> currentInstanceSet = currentIdealState.getInstanceSet(segmentId);
    if (!currentInstanceSet.isEmpty() && currentIdealState.getPartitionSet().contains(segmentId)) {
        for (String instanceName : currentIdealState.getInstanceSet(segmentId)) {
            currentIdealState.setPartitionState(segmentId, instanceName, "DROPPED");
        }
    } else {
        throw new RuntimeException("Cannot found segmentId - " + segmentId + " in table - " + tableName);
    }
    return currentIdealState;
}

From source file:com.github.gdfm.shobaidogu.StatsUtils.java

/**
 * Computes the fraction of source elements that are also in target.
 * //from   ww w. j a  v  a  2 s  .c om
 * @param source
 *          the source set.
 * @param target
 *          the target set.
 * @return the fraction.
 */
public static <T> double hitPercent(Set<T> source, Set<T> target) {
    checkNotNull(source);
    checkNotNull(target);
    if (source.isEmpty() || target.isEmpty())
        return 0;
    double intersectSize = Sets.intersection(source, target).size();
    return intersectSize / source.size();
}

From source file:net.sf.taverna.t2.maven.plugins.Utils.java

public static <T> List<Set<T>> getSubsets(Set<T> set) {
    List<Set<T>> subsets = new ArrayList<Set<T>>();
    List<T> list = new ArrayList<T>(set);
    int numOfSubsets = 1 << set.size();
    for (int i = 0; i < numOfSubsets; i++) {
        Set<T> subset = new HashSet<T>();
        for (int j = 0; j < numOfSubsets; j++) {
            if (((i >> j) & 1) == 1) {
                subset.add(list.get(j));
            }/*ww  w .j av  a2s  . c  om*/
        }
        if (!subset.isEmpty()) {
            subsets.add(subset);
        }
    }
    Collections.sort(subsets, new Comparator<Set<T>>() {
        @Override
        public int compare(Set<T> o1, Set<T> o2) {
            return o1.size() - o2.size();
        }
    });
    return subsets;
}

From source file:gov.nih.nci.caarray.security.SecurityPolicy.java

/**
 * Apply the given set of policies to the given entity. 
 * @param entity the entity to apply policy
 * @param policies the set of policies to apply
 *//*  w  w w.j  ava2 s. com*/
public static void applySecurityPolicies(Object entity, Set<SecurityPolicy> policies) {
    PropertyAccessor[] propAccessors = CaArrayUtils.createReflectionHelper(entity.getClass()).getAccessors();
    if (!policies.isEmpty()) {
        for (PropertyAccessor propAccessor : propAccessors) {
            boolean disallowed = false;
            try {
                for (SecurityPolicy policy : policies) {
                    if (!policy.allowProperty(propAccessor)) {
                        clearDisallowedProperty(entity, propAccessor);
                        disallowed = true;
                        continue;
                    }
                }
                if (!disallowed) {
                    applyTransformations(policies, entity, propAccessor);
                }
            } catch (IllegalAccessException e) {
                LOG.warn("Could not apply security policies to property " + propAccessor.getter().getName(), e);
            } catch (InvocationTargetException e) {
                LOG.warn("Could not apply security policies to property " + propAccessor.getter().getName(), e);
            }
        }
    }
}

From source file:com.linkedin.pinot.controller.helix.core.PinotTableIdealStateBuilder.java

/**
 *
 * @param brokerResourceName/*from  w w  w  .j  a v  a 2  s.c  o  m*/
 * @param helixAdmin
 * @param helixClusterName
 * @return
 */
public static IdealState removeBrokerResourceFromIdealStateFor(String brokerResourceName, HelixAdmin helixAdmin,
        String helixClusterName) {
    final IdealState currentIdealState = helixAdmin.getResourceIdealState(helixClusterName,
            CommonConstants.Helix.BROKER_RESOURCE_INSTANCE);
    final Set<String> currentInstanceSet = currentIdealState.getInstanceSet(brokerResourceName);
    if (!currentInstanceSet.isEmpty() && currentIdealState.getPartitionSet().contains(brokerResourceName)) {
        currentIdealState.getPartitionSet().remove(brokerResourceName);
    } else {
        throw new RuntimeException(
                "Cannot found broker resource - " + brokerResourceName + " in broker resource ");
    }
    return currentIdealState;
}