Example usage for java.util Collections unmodifiableSet

Introduction

In this page you can find the example usage for java.util Collections unmodifiableSet.

Prototype

public static <T> Set<T> unmodifiableSet(Set<? extends T> s)

Source Link

Document

Returns an unmodifiable view of the specified set.

Usage

From source file:org.italiangrid.storm.webdav.authz.vomap.DefaultVOMapDetailsService.java

@Override
public Set<String> getPrincipalVOs(X500Principal principal) {

    Assert.notNull(principal, "Principal cannot be null");

    HashSet<String> voNames = new HashSet<String>();

    for (VOMembershipProvider p : providers) {

        if (p.hasSubjectAsMember(principal.getName())) {
            voNames.add(p.getVOName());/*from  w w  w. j a  va2  s.c o m*/
        }
    }

    return Collections.unmodifiableSet(voNames);
}

From source file:net.sourceforge.fenixedu.domain.phd.PhdElementsList.java

public Set<T> getSortedTypes() {
    return Collections.unmodifiableSet(new TreeSet<T>(types));
}

From source file:com.handu.open.dubbo.monitor.RegistryContainer.java

public Set<String> getApplications() {
    return Collections.unmodifiableSet(applications);
}

From source file:com.oreilly.springdata.neo4j.order.Order.java

public Set<LineItem> getLineItems() {
    return Collections.unmodifiableSet(lineItems);
}

From source file:edu.uci.ics.jung.graph.impl.BipartiteGraph.java

/**
 * Returns the set of all vertices from that class. 
 * All vertices in the return set will be of class
 * A or class B, depending on the parameter.
 *///from w  ww.j  a v a 2  s. c  o  m
public Set getAllVertices(Choice choice) {
    if (choice == CLASSA) {
        return Collections.unmodifiableSet(aSet);
    } else if (choice == CLASSB) {
        return Collections.unmodifiableSet(bSet);
    } else
        throw new IllegalArgumentException("Invalid partition specification " + choice);
}

From source file:Main.java

/**
 * Functions as per {@link Collections#unmodifiableSet(Set)} with the exception that if the
 * given set is null, this method will return an unmodifiable empty set as per
 * {@link Collections#emptySet()}./*  ww w .j a v a  2  s  .co m*/
 * 
 * @param set the set for which an unmodifiable view is to be returned
 * @return an unmodifiable view of the specified set, or an unmodifiable empty set if the given
 *         set is null
 */
public static <T> Set<T> unmodifiableSetNullSafe(Set<? extends T> set) {
    if (set == null) {
        return Collections.emptySet();
    }
    return Collections.unmodifiableSet(set);
}

From source file:alpha.portal.model.AlphaCaseCRA.java

/**
 * Gets the list of participants.//  w  w  w. j a v  a  2  s  .co m
 * 
 * @return list of participants as <b>unmodifiable</b> set
 */
public Set<User> getListOfParticipants() {
    return Collections.unmodifiableSet(this.participants);
}

From source file:de.xirp.profile.ProfileManager.java

/**
 * Returns the unique/*w  ww.  j  a v  a 2 s . co m*/
 * {@link de.xirp.profile.Profile profile} names.
 * 
 * @return An unmodifiable list with the profile names.
 * @see de.xirp.profile.Profile
 */
public static Set<String> getProfileNames() {
    return Collections.unmodifiableSet(profileNames);
}

From source file:Main.java

/**
 * Copies the given {@link Set} into a new {@link Set}.<br>
 * //  w w  w.ja v a  2s.  c  o  m
 * 
 * @param <T>
 *            the type of the entries of the set
 * @param data
 *            the given set
 * @return If the given set was empty, a {@link Collections#emptySet()} is
 *         returned<br>
 *         If the given set contained only one element, a
 *         {@link Collections#singleton(Object)}, containing said element,
 *         is returned <br>
 *         If the given set contained more than one element, a
 *         {@link Collections#unmodifiableSet(Set)}, containing the
 *         elements of the given set, is returned.
 */
public static <T> Set<T> copy(Set<T> data) {
    final int size = data.size();

    switch (size) {
    case 0:
        return Collections.emptySet();
    case 1:
        return Collections.singleton(data.iterator().next());
    default:
        return Collections.unmodifiableSet(new HashSet<T>(data));
    }
}

From source file:com.clustercontrol.notify.util.MonitorStatusCache.java

private static Set<MonitorStatusEntityPK> cacheKeys() {
    ICacheManager cm = CacheManagerFactory.instance().create();
    Set<MonitorStatusEntityPK> cacheKeys = cm.getKeySet(MonitorStatusEntityPK.class);
    return cacheKeys != null ? Collections.unmodifiableSet(cacheKeys) : null;
}