Example usage for com.google.common.collect Maps uniqueIndex

Introduction

In this page you can find the example usage for com.google.common.collect Maps uniqueIndex.

Prototype

public static <K, V> ImmutableMap<K, V> uniqueIndex(Iterator<V> values, Function<? super V, K> keyFunction)

Source Link

Document

Returns a map with the given values , indexed by keys derived from those values.

Usage

From source file:org.jclouds.ec2.util.Tags.java

/**
 * maps the input on {@link Tag#getResourceId()} with a value of a map of its {@link Tag#getKey()} to
 * {@link Tag#getValue()}/*from   ww w . j a  va2 s  . com*/
 */
public static Map<String, Map<String, String>> resourceToTagsAsMap(Iterable<Tag> tags) {
    return Maps.transformValues(index(tags, resourceIdFunction()).asMap(),
            new Function<Iterable<Tag>, Map<String, String>>() {
                @Override
                public Map<String, String> apply(Iterable<Tag> in) {
                    return Maps.transformValues(Maps.uniqueIndex(in, keyFunction()), valueFunction());
                }
            });
}

From source file:org.ambraproject.rhino.config.PersistenceAdapter.java

public static <E extends Enum<E>> PersistenceAdapter<E, String> byEnumName(Class<E> enumType) {
    ImmutableMap<String, E> enumsByName = Maps.uniqueIndex(Arrays.asList(enumType.getEnumConstants()), E::name);
    return new PersistenceAdapter<E, String>() {
        @Override/* w  w  w  .  j  av  a2 s  .  c o  m*/
        public Class<E> getModelClass() {
            return enumType;
        }

        @Override
        public Class<String> getDataClass() {
            return String.class;
        }

        @Override
        public String encode(E model) {
            return model.name();
        }

        @Override
        public E decode(String data) {
            return enumsByName.get(data);
        }
    };
}

From source file:org.jclouds.openstack.keystone.v2_0.config.CredentialTypes.java

public static <T> Map<String, T> indexByCredentialType(Iterable<T> iterable) {
    return Maps.uniqueIndex(iterable, new Function<T, String>() {

        @Override/* ww  w. j ava2  s.co  m*/
        public String apply(T input) {
            return credentialTypeOf(input);
        }

    });
}

From source file:com.google.testing.junit.runner.internal.StackTraces.java

/**
 * Prints all stack traces to the given stream.
 *
 * @param out Stream to print to/*  w ww . j a v a  2 s . c o m*/
 */
public static void printAll(PrintStream out) {
    out.println("Starting full thread dump ...\n");
    ThreadMXBean mb = ManagementFactory.getThreadMXBean();

    // ThreadInfo has comprehensive information such as locks.
    ThreadInfo[] threadInfos = mb.dumpAllThreads(true, true);

    // But we can know whether a thread is daemon only from Thread
    Set<Thread> threads = Thread.getAllStackTraces().keySet();
    ImmutableMap<Long, Thread> threadMap = Maps.uniqueIndex(threads, new Function<Thread, Long>() {
        @Override
        public Long apply(Thread thread) {
            return thread.getId();
        }
    });

    // Dump non-daemon threads first
    for (ThreadInfo threadInfo : threadInfos) {
        Thread thread = threadMap.get(threadInfo.getThreadId());
        if (thread != null && !thread.isDaemon()) {
            dumpThreadInfo(threadInfo, thread, out);
        }
    }

    // Dump daemon threads
    for (ThreadInfo threadInfo : threadInfos) {
        Thread thread = threadMap.get(threadInfo.getThreadId());
        if (thread != null && thread.isDaemon()) {
            dumpThreadInfo(threadInfo, thread, out);
        }
    }

    long[] deadlockedThreads = mb.findDeadlockedThreads();
    if (deadlockedThreads != null) {
        out.println("Detected deadlocked threads: " + Arrays.toString(deadlockedThreads));
    }
    long[] monitorDeadlockedThreads = mb.findMonitorDeadlockedThreads();
    if (monitorDeadlockedThreads != null) {
        out.println("Detected monitor deadlocked threads: " + Arrays.toString(monitorDeadlockedThreads));
    }
    out.println("\nDone full thread dump.");
    out.flush();
}

From source file:org.jclouds.openstack.keystone.auth.config.CredentialTypes.java

public static <T> Map<String, T> indexByCredentialType(Iterable<T> iterable) {
    return Maps.uniqueIndex(iterable, new Function<T, String>() {
        @Override//from  w  w  w . j a  v  a 2 s  .co  m
        public String apply(T input) {
            return credentialTypeOf(input);
        }
    });
}

From source file:org.locationtech.geogig.porcelain.index.IndexUtils.java

public static NodeRef resolveTypeTreeRef(Context context, String treeRefSpec) {
    checkArgument(treeRefSpec != null, "type tree was not provided");
    final String rootRef;
    final String treePath;
    final int rootSepIndex = treeRefSpec.indexOf(':');
    if (-1 == rootSepIndex) {
        rootRef = "HEAD";
        treePath = treeRefSpec;/* w  w w  .ja  va2 s .co  m*/
    } else {
        rootRef = treeRefSpec.substring(0, rootSepIndex);
        treePath = treeRefSpec.substring(rootSepIndex + 1);
    }
    List<NodeRef> treeRefs = context.command(FindFeatureTypeTrees.class).setRootTreeRef(rootRef).call();
    ImmutableMap<String, NodeRef> map = Maps.uniqueIndex(treeRefs, (r) -> r.path());
    NodeRef treeRef = map.get(treePath);
    checkArgument(treeRef != null, "Can't find feature tree '%s'", treeRefSpec);
    return treeRef;
}

From source file:org.gradle.model.dsl.internal.inputs.PotentialInputs.java

public PotentialInputs(List<ModelView<?>> modelViews, Iterable<PotentialInput> inputs) {
    this.modelViews = modelViews;
    this.inputs = Maps.uniqueIndex(inputs, new Function<PotentialInput, String>() {
        @Override//from w  w w . j  av a 2s .co m
        public String apply(PotentialInput input) {
            return input.getConsumerPath();
        }
    });
}

From source file:com.atlassian.jira.rest.client.api.domain.Permissions.java

public Permissions(final Iterable<Permission> permissions) {
    this.permissionMap = Maps.uniqueIndex(permissions, Permission.TO_KEY);
}

From source file:org.caleydo.view.domino.internal.BlockBands.java

@Override
protected void update() {
    Map<ABandIdentifier, ABand> bak = Maps.uniqueIndex(bands, new Function<ABand, ABandIdentifier>() {
        @Override//from  www .j  av a  2s. c o  m
        public ABandIdentifier apply(ABand input) {
            return input.getId();
        }
    });
    bands.clear();

    Block block = findParent(Block.class);
    block.createOffsetBands(bands);

    for (ABand band : bands) {
        if (bak.containsKey(band.getId())) {
            band.initFrom(bak.get(band.getId()));
        }
    }
}

From source file:org.impressivecode.depress.its.ITSDataHolder.java

ITSDataHolder(final List<ITSDataType> issueData) {
    this.issues = Maps.uniqueIndex(issueData, new Function<ITSDataType, String>() {
        @Override//from   w ww  . j a va 2 s  . c  o m
        public String apply(final ITSDataType from) {
            return from.getIssueId();
        }
    });
}