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

Introduction

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

Prototype

public static <T> Predicate<T> equalTo(@Nullable T target)

Source Link

Document

Returns a predicate that evaluates to true if the object being tested equals() the given target or both are null.

Usage

From source file:org.apache.brooklyn.core.location.LocationPredicates.java

public static <T> Predicate<Location> configEqualTo(final ConfigKey<T> configKey, final T val) {
    return configSatisfies(configKey, Predicates.equalTo(val));
}

From source file:com.eucalyptus.tags.Tags.java

private static Tag lookup(final Tag example) throws NoSuchMetadataException {
    try {/*from  w ww. j  a  v a  2s  .co  m*/
        final List<Tag> result = Transactions.filter(example,
                Predicates.compose(Predicates.equalTo(example.getResourceId()), Tags.resourceId()));
        if (result.size() == 1) {
            return result.get(0);
        }
    } catch (Exception e) {
        throw new NoSuchMetadataException(
                "Failed to find tag: " + example.getKey() + " for " + example.getOwner(), e);
    }

    throw new NoSuchMetadataException(
            "Failed to find unique tag: " + example.getKey() + " for " + example.getOwner());
}

From source file:org.eclipse.xtext.util.formallang.NfaUtil.java

public <S, ITERABLE extends Iterable<? extends S>> boolean canReachFinalState(Nfa<S> nfa, S state) {
    return find(nfa, Collections.singleton(state), Predicates.equalTo(nfa.getStop())) != null;
}

From source file:tile80.tile80.Tile80.java

public Tile80 removeKey(String key) {
    return new Tile80Eager(getPos(), getId(), getTags(), getBehavior(),
            Maps.filterKeys(getKeyspace(), Predicates.equalTo(key)));
}

From source file:com.android.builder.internal.packaging.IncrementalPackager.java

/**
 * Updates files in the archive.//w  w  w  . ja  v  a  2 s.  c  o  m
 *
 * @param updates the updates to perform
 * @throws IOException failed to update the archive
 */
private void updateFiles(@NonNull Set<PackagedFileUpdate> updates) throws IOException {
    Preconditions.checkNotNull(mApkCreator, "mApkCreator == null");

    Iterable<String> deletedPaths = Iterables
            .transform(
                    Iterables
                            .filter(updates,
                                    Predicates.compose(Predicates.equalTo(FileStatus.REMOVED),
                                            PackagedFileUpdate.EXTRACT_STATUS)),
                    PackagedFileUpdate.EXTRACT_NAME);

    for (String deletedPath : deletedPaths) {
        mApkCreator.deleteFile(deletedPath);
    }

    Predicate<PackagedFileUpdate> isNewOrChanged = Predicates.compose(
            Predicates.or(Predicates.equalTo(FileStatus.NEW), Predicates.equalTo(FileStatus.CHANGED)),
            PackagedFileUpdate.EXTRACT_STATUS);

    Function<PackagedFileUpdate, File> extractBaseFile = Functions.compose(RelativeFile.EXTRACT_BASE,
            PackagedFileUpdate.EXTRACT_SOURCE);

    Iterable<PackagedFileUpdate> newOrChangedNonArchiveFiles = Iterables.filter(updates,
            Predicates.and(isNewOrChanged, Predicates.compose(Files.isDirectory(), extractBaseFile)));

    for (PackagedFileUpdate rf : newOrChangedNonArchiveFiles) {
        mApkCreator.writeFile(rf.getSource().getFile(), rf.getName());
    }

    Iterable<PackagedFileUpdate> newOrChangedArchiveFiles = Iterables.filter(updates,
            Predicates.and(isNewOrChanged, Predicates.compose(Files.isFile(), extractBaseFile)));

    Iterable<File> archives = Iterables.transform(newOrChangedArchiveFiles, extractBaseFile);
    Set<String> names = Sets
            .newHashSet(Iterables.transform(newOrChangedArchiveFiles, PackagedFileUpdate.EXTRACT_NAME));

    /*
     * Build the name map. The name of the file in the filesystem (or zip file) may not
     * match the name we want to package it as. See PackagedFileUpdate for more information.
     */
    Map<String, String> pathNameMap = Maps.newHashMap();
    for (PackagedFileUpdate archiveUpdate : newOrChangedArchiveFiles) {
        pathNameMap.put(archiveUpdate.getSource().getOsIndependentRelativePath(), archiveUpdate.getName());
    }

    for (File arch : Sets.newHashSet(archives)) {
        mApkCreator.writeZip(arch, pathNameMap::get, name -> !names.contains(name));
    }
}

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

/**
 * Adds the given entity as a member of this group <em>and</em> this group as one of the groups of the child
 *///from  www.ja va2s .c  om
@Override
public boolean addMember(Entity member) {
    synchronized (members) {
        if (Entities.isNoLongerManaged(member)) {
            // Don't add dead entities, as they could never be removed (because addMember could be called in
            // concurrent thread as removeMember triggered by the unmanage).
            // Not using Entities.isManaged here, as could be called in entity.init()
            log.debug("Group {} ignoring new member {}, because it is no longer managed", this, member);
            return false;
        }

        // FIXME do not set sensors on members; possibly we don't need FIRST at all, just look at the first in MEMBERS, and take care to guarantee order there
        Entity first = getAttribute(FIRST);
        if (first == null) {
            ((EntityLocal) member).setAttribute(FIRST_MEMBER, true);
            ((EntityLocal) member).setAttribute(FIRST, member);
            setAttribute(FIRST, member);
        } else {
            if (first.equals(member) || first.equals(member.getAttribute(FIRST))) {
                // do nothing (rebinding)
            } else {
                ((EntityLocal) member).setAttribute(FIRST_MEMBER, false);
                ((EntityLocal) member).setAttribute(FIRST, first);
            }
        }

        member.addGroup((Group) getProxyIfAvailable());
        boolean changed = addMemberInternal(member);
        if (changed) {
            log.debug("Group {} got new member {}", this, member);
            setAttribute(GROUP_SIZE, getCurrentSize());
            setAttribute(GROUP_MEMBERS, getMembers());
            // emit after the above so listeners can use getMembers() and getCurrentSize()
            emit(MEMBER_ADDED, member);

            if (Boolean.TRUE.equals(getConfig(MEMBER_DELEGATE_CHILDREN))) {
                Optional<Entity> result = Iterables.tryFind(getChildren(), Predicates.equalTo(member));
                if (!result.isPresent()) {
                    String nameFormat = Optional.fromNullable(getConfig(MEMBER_DELEGATE_NAME_FORMAT)).or("%s");
                    DelegateEntity child = addChild(EntitySpec.create(DelegateEntity.class)
                            .configure(DelegateEntity.DELEGATE_ENTITY, member)
                            .displayName(String.format(nameFormat, member.getDisplayName())));
                    Entities.manage(child);
                }
            }

            getManagementSupport().getEntityChangeListener().onMembersChanged();
        }
        return changed;
    }
}

From source file:net.derquinse.common.meta.MetaProperty.java

/**
 * Returns a predicate that evaluates to {@code true} if the property value {@code equals()} the
 * given target or both are null.// w  w w.java2s .co  m
 */
public final Predicate<C> equalTo(@Nullable T target) {
    return compose(Predicates.equalTo(target));
}

From source file:org.polymap.core.data.ui.featuretable.DeferredFeatureContentProvider2.java

protected int doFindElement(Object[] elms, Object search) {
    assert search != null;
    if (search instanceof IFeatureTableElement && elms != null) {
        return Iterables.indexOf(Arrays.asList(elms), Predicates.equalTo(search));
    }/*from   w ww  .j a v  a 2 s. c o m*/
    return -1;
}

From source file:me.emmy.db.MySQLLayer.java

private boolean tableExists() {
    //      InputStream stream = MySQLLayer.class
    //            .getResourceAsStream("/verifyTable.sql");
    //      String sql = String.format(new Scanner(stream).useDelimiter("\\A")
    //            .next(), schema, playerTable.name());
    boolean exists = Iterables.any(jdbc.query("show tables", StringMapper.instance),
            Predicates.equalTo(playerTable.name()));
    return exists;
}

From source file:org.eclipse.sirius.diagram.ui.tools.internal.providers.decorators.SubDiagramDecorator.java

private boolean shouldHaveSubDiagDecoration(DRepresentationElement node) {
    EObject target = node.getTarget();// w  w w.  jav a 2 s  .  c o  m
    boolean shouldHaveSubDiagramDecorator = false;
    if (target != null && target.eResource() != null) {

        if (session != null && !parentHasSameSemanticElement(node)) {
            // Does the target element has any representation on it? Exclude
            // the current representation itself to avoid redundant markers.
            DRepresentation representation = new DRepresentationElementQuery(node).getParentRepresentation();
            Predicate<DRepresentation> otherReperesentation = Predicates
                    .not(Predicates.equalTo(representation));
            shouldHaveSubDiagramDecorator = Iterables
                    .any(DialectManager.INSTANCE.getRepresentations(target, session), otherReperesentation);
            if (node.getMapping() != null && !shouldHaveSubDiagramDecorator) {
                shouldHaveSubDiagramDecorator = checkRepresentationNavigationDescriptions(node);
            }
        }
    }
    return shouldHaveSubDiagramDecorator;
}