Example usage for java.util Collections EMPTY

Introduction

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

Prototype

Set EMPTY_SET

To view the source code for java.util Collections EMPTY_SET.

Click Source Link

Document

The empty set (immutable).

Usage

From source file:org.jactr.modules.pm.aural.audicon.map.OffsetFeatureMap.java

protected Collection<IIdentifier> equal(Double when) {
    Set<IIdentifier> identifiers = _offsetMap.get(when);
    if (identifiers == null)
        identifiers = Collections.EMPTY_SET;
    return identifiers;
}

From source file:hr.fer.spocc.grammar.cfg.CfgGrammar.java

public Set<Symbol<T>> getBeginsWithSet(List<Symbol<T>> sequence) {
    if (sequence.isEmpty())
        return Collections.EMPTY_SET;
    Set<Symbol<T>> ret = new HashSet<Symbol<T>>();
    for (Symbol<T> symbol : sequence) {
        if (symbol.getSymbolType() == SymbolType.VARIABLE)
            ret.addAll(getBeginsWithSet((Variable<T>) symbol));
        if (!isEmptySymbol(symbol)) {
            if (symbol.getSymbolType() == SymbolType.TERMINAL)
                ret.add(symbol);/*  w  ww  . j a v a2  s  .com*/
            return ret;
        }
    }
    // TODO jel treba mozda EOF?
    return ret;
}

From source file:netention.core.Core.java

public Map<String, Object> getObject(final Vertex v) {
    return getObject(v, Collections.EMPTY_SET);
}

From source file:com.opensymphony.able.action.DefaultCrudActionBean.java

public Map<String, Object> getAllValues() {
    return new AbstractMap<String, Object>() {

        @Override/*  w  w  w .  j a v a  2s.co  m*/
        public Object get(Object propertyName) {
            return getAllValuesForProperty((String) propertyName);
        }

        @Override
        public Set<Entry<String, Object>> entrySet() {
            return Collections.EMPTY_SET;
        }
    };
}

From source file:org.apache.nifi.admin.service.action.SetUserAuthoritiesActionTest.java

/**
 * Test activating an unknown user account. User accounts are unknown then
 * there is no pending account for the user.
 *
 * @throws Exception ex/* w ww  . j  a v a 2  s . c om*/
 */
@Test(expected = AccountNotFoundException.class)
public void testUnknownUser() throws Exception {
    UpdateUserAction setUserAuthorities = new UpdateUserAction(USER_ID_1, Collections.EMPTY_SET);
    setUserAuthorities.execute(daoFactory, authorityProvider);
}

From source file:org.kie.workbench.common.screens.projecteditor.backend.server.PomEditorServiceImplTest.java

@Test
public void testSaveNonClashingGAVChangeToGAV() {
    final Set<ModuleRepositories.ModuleRepository> moduleRepositoriesMetadata = new HashSet<ModuleRepositories.ModuleRepository>();
    final ModuleRepositories moduleRepositories = new ModuleRepositories(moduleRepositoriesMetadata);
    when(moduleRepositoriesService.load(moduleRepositoriesPath)).thenReturn(moduleRepositories);

    final ArgumentCaptor<MavenRepositoryMetadata> resolvedRepositoriesCaptor = ArgumentCaptor
            .forClass(MavenRepositoryMetadata.class);
    when(repositoryResolver.getRepositoriesResolvingArtifact(eq(pomXml), resolvedRepositoriesCaptor.capture()))
            .thenReturn(Collections.EMPTY_SET);
    when(pom.getGav()).thenReturn(new GAV("groupId", "artifactId", "0.0.2"));

    service.save(pomPath, pomXml, metaData, comment, DeploymentMode.VALIDATED);

    verify(moduleService, times(1)).resolveModule(pomPath);
    verify(moduleRepositoriesService, times(1)).load(moduleRepositoriesPath);
    verify(repositoryResolver, times(1)).getRepositoriesResolvingArtifact(eq(pomXml));
    final List<MavenRepositoryMetadata> resolvedRepositories = resolvedRepositoriesCaptor.getAllValues();
    assertNotNull(resolvedRepositories);
    assertEquals(0, resolvedRepositories.size());

    verify(ioService, times(1)).startBatch(any(FileSystem.class));
    verify(ioService, times(1)).write(any(org.uberfire.java.nio.file.Path.class), eq(pomXml), eq(attributes),
            any(CommentedOption.class));
    verify(ioService, times(1)).endBatch();
}

From source file:pt.ist.maidSyncher.domain.activeCollab.ACTask.java

private Collection<String> processLabel(pt.ist.maidSyncher.api.activeCollab.ACTask acTask) {
    ACTaskLabel newTaskLabel = ACTaskLabel.findById(acTask.getLabelId());
    ACTaskLabel oldTaskLabel = getLabel();
    setLabel(newTaskLabel);/*from www  .  j  a v a2  s .  co m*/
    return !ObjectUtils.equals(newTaskLabel, oldTaskLabel)
            ? Collections.singleton(getPropertyDescriptorNameAndCheckItExists(acTask, "labelId"))
            : Collections.EMPTY_SET;

}

From source file:org.lockss.poller.v3.VersionCounts.java

/**
 * @param landslideMinimum The minimum number of votes which would
 * make a version "popular".//from w  w w .  j a  v a 2 s .c o m
 * @param excludedVersions A collection of plain hash values to be
 * excluded from the result.
 * @return A Map of ParticipantUserData to plain hash values,
 * including only those with head versions which have at least the
 * minimum support.
 */
public List<ParticipantUserData> getSortedRepairCandidates(int landslideMinimum) {
    return getSortedRepairCandidates(landslideMinimum, Collections.EMPTY_SET);
}

From source file:org.apache.nifi.admin.service.action.SetUserAuthoritiesActionTest.java

/**
 * Testing case then an AuthorityAccessException occurs while setting a
 * users authorities.//from   w w w.  j a va 2s  .  c  o m
 *
 * @throws Exception ex
 */
@Test(expected = AdministrationException.class)
public void testAuthorityAccessException() throws Exception {
    UpdateUserAction setUserAuthorities = new UpdateUserAction(USER_ID_2, Collections.EMPTY_SET);
    setUserAuthorities.execute(daoFactory, authorityProvider);
}

From source file:org.jactr.modules.pm.aural.audicon.map.KindFeatureMap.java

protected Collection<IIdentifier> equals(String kind) {
    kind = kind.toLowerCase();/*from w w w .  j  a v a  2s .co m*/
    Set<IIdentifier> identifiers = _kindMap.get(kind);
    if (identifiers == null)
        identifiers = Collections.EMPTY_SET;
    return identifiers;
}

Example usage for java.util Collections EMPTY_SET

Introduction

Prototype

Document

Usage