Example usage for com.google.common.collect FluentIterable firstMatch

Introduction

In this page you can find the example usage for com.google.common.collect FluentIterable firstMatch.

Prototype

@CheckReturnValue
public final Optional<E> firstMatch(Predicate<? super E> predicate) 

Source Link

Document

Returns an Optional containing the first element in this fluent iterable that satisfies the given predicate, if such an element exists.

Usage

From source file:org.eclipse.tracecompass.tmf.remote.core.proxy.RemoteSystemProxy.java

/**
 * Return a remote connection using OSGI service.
 *
 * @param remoteServicesId//w ww.j a v a  2 s  .  c o m
 *            ID of remote service
 * @param name
 *            name of connection
 * @return the corresponding remote connection or null
 */
public static @Nullable IRemoteConnection getRemoteConnection(final String remoteServicesId,
        final String name) {
    IRemoteServicesManager manager = Activator.getService(IRemoteServicesManager.class);
    if (manager == null) {
        return null;
    }
    FluentIterable<IRemoteConnection> connections = FluentIterable.from(manager.getAllRemoteConnections());
    Optional<IRemoteConnection> ret = connections.firstMatch(new Predicate<IRemoteConnection>() {
        @Override
        public boolean apply(@Nullable IRemoteConnection input) {
            return ((input != null) && input.getConnectionType().getId().equals(remoteServicesId.toString())
                    && input.getName().equals(name.toString()));
        }
    });
    return ret.orNull();
}

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From source file:darwin.resourcehandling.handle.FileHandleCache.java

public ResourceHandle get(final URI file) {
    URI tmp = null;/*  www  . j a  v a 2  s  .c  om*/
    if (file.isAbsolute()) {
        FluentIterable<URI> folders = ClasspathHelper.getClasspathFolders();

        Optional<URI> match = folders.firstMatch(new Predicate<URI>() {
            @Override
            public boolean apply(URI input) {
                return !input.relativize(file).equals(file);
            }
        });

        if (match.isPresent()) {
            tmp = match.get().relativize(file);
        }
    }
    if (tmp == null) {
        tmp = file;
    }

    ResourceHandle h = handles.get(tmp);
    if (h == null) {
        h = new ClasspathFileHandler(notifier, tmp);
        handles.put(tmp, h);
    }

    return h;
}

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From source file:com.b2international.snowowl.datastore.oplock.impl.DatastoreOperationLockException.java

@Override
public String getMessage() {
    final FluentIterable<DatastoreLockContext> contexts = FluentIterable.from(targetMap.values());
    final Optional<DatastoreLockContext> rootContext = contexts
            .firstMatch(new Predicate<DatastoreLockContext>() {
                @Override//from  w w  w  .  j av a  2s .  c o m
                public boolean apply(DatastoreLockContext input) {
                    return DatastoreLockContextDescriptions.ROOT.equals(input.getParentDescription());
                }
            });

    DatastoreLockContext context = null;
    if (rootContext.isPresent()) {
        context = rootContext.get();
    } else {
        if (contexts.first().isPresent()) {
            context = contexts.first().get();
        } else {
            return super.getMessage();
        }
    }

    return String.format("%s %s is %s.", super.getMessage(), context.getUserId(), context.getDescription());
}

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From source file:com.adobe.acs.commons.wcm.comparisons.PageVersionCompareModel.java

/** Private methods **/

private Optional<Evolution> version(FluentIterable<Evolution> evolutions, final String name) {
    return evolutions.firstMatch(new Predicate<Evolution>() {
        @Override//from   ww w  . j a  v a 2  s.com
        public boolean apply(Evolution evolution) {
            return evolution.getVersionName().equalsIgnoreCase(name);
        }
    });
}

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From source file:org.jclouds.dimensiondata.cloudcontrol.compute.strategy.GetOrCreateNetworkDomainThenCreateNodes.java

private Optional<String> getExistingVlan(final String networkDomainId, final String vlanName) {
    FluentIterable<Vlan> vlans = api.getNetworkApi().listVlans(networkDomainId).concat();
    final Optional<Vlan> vlan = vlans.firstMatch(new Predicate<Vlan>() {
        @Override/*  ww  w .j a  v  a2 s .  co m*/
        public boolean apply(final Vlan input) {
            return input.name().equals(vlanName);
        }
    });

    if (vlan.isPresent()) {
        return Optional.of(vlan.get().id());
    } else {
        return Optional.absent();
    }
}

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From source file:springfox.documentation.spring.data.rest.EntityServicesProvider.java

private Collection<RequestHandler> maybeCombine(List<RequestHandler> metadataHandlers,
        Predicate<RequestHandler> selector) {
    List<RequestHandler> combined = newArrayList();
    Iterable<RequestHandler> selected = FluentIterable.from(metadataHandlers)
            .filter(and(selector, getHandler()));
    FluentIterable<RequestHandler> selectedCompliment = FluentIterable.from(metadataHandlers)
            .filter(and(not(selector), getHandler()));
    for (RequestHandler each : selected) {
        Optional<RequestHandler> found = selectedCompliment
                .firstMatch(samePathMapping(each.getPatternsCondition()));
        combined.add(combine(each, found));
    }/*from   w  w w. ja  v  a2  s .  c  om*/
    combined.addAll(FluentIterable.from(metadataHandlers).filter(EntitySearchRequestHandler.class)
            .filter(collectionHandlers()).toList());
    return combined;
}

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