Example usage for com.google.common.collect Sets newIdentityHashSet

Introduction

In this page you can find the example usage for com.google.common.collect Sets newIdentityHashSet.

Prototype

public static <E> Set<E> newIdentityHashSet() 

Source Link

Document

Creates an empty Set that uses identity to determine equality.

Usage

From source file:co.cask.tigon.lang.ClassLoaders.java

/**
 * Returns the ClassLoader of the given type. If the given type is a {@link java.lang.reflect.ParameterizedType},
 * it returns a {@link CombineClassLoader} of all types. The context ClassLoader or System ClassLoader would be used
 * as the parent of the CombineClassLoader.
 *
 * @return A new CombineClassLoader. If no ClassLoader is found from the type,
 *         it returns the current thread context ClassLoader if it's not null, otherwise, return system ClassLoader.
 *//*from ww w .  j a  va2 s .c  o m*/
public static ClassLoader getClassLoader(TypeToken<?> type) {
    Set<ClassLoader> classLoaders = Sets.newIdentityHashSet();

    // Breath first traversal into the Type.
    Queue<TypeToken<?>> queue = Lists.newLinkedList();
    queue.add(type);
    while (!queue.isEmpty()) {
        type = queue.remove();
        ClassLoader classLoader = type.getRawType().getClassLoader();
        if (classLoader != null) {
            classLoaders.add(classLoader);
        }

        if (type.getType() instanceof ParameterizedType) {
            for (Type typeArg : ((ParameterizedType) type.getType()).getActualTypeArguments()) {
                queue.add(TypeToken.of(typeArg));
            }
        }
    }

    // Determine the parent classloader
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    ClassLoader parent = (contextClassLoader == null) ? ClassLoader.getSystemClassLoader() : contextClassLoader;

    if (classLoaders.isEmpty()) {
        return parent;
    }
    return new CombineClassLoader(parent, classLoaders);
}

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From source file:com.haulmont.cuba.core.sys.persistence.PersistenceImplSupport.java

protected static Set<Entity> createEntitySet() {
    return Sets.newIdentityHashSet();
}

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From source file:org.sosy_lab.cpachecker.cpa.value.symbolic.refiner.ARGTreePrecisionUpdater.java

private VariableTrackingPrecision mergeValuePrecisionsForSubgraph(final ARGState pRefinementRoot,
        final ARGReachedSet pReached) {
    // get all unique precisions from the subtree
    Set<VariableTrackingPrecision> uniquePrecisions = Sets.newIdentityHashSet();

    for (ARGState descendant : getNonCoveredStatesInSubgraph(pRefinementRoot)) {
        uniquePrecisions.add(extractValuePrecision(pReached, descendant));
    }/*from ww  w  . j  av  a  2 s  . c  o  m*/

    // join all unique precisions into a single precision
    VariableTrackingPrecision mergedPrecision = Iterables.getLast(uniquePrecisions);
    for (VariableTrackingPrecision precision : uniquePrecisions) {
        mergedPrecision = mergedPrecision.join(precision);
    }

    return mergedPrecision;
}

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From source file:com.google.inject.servlet.ManagedFilterPipeline.java

public synchronized void initPipeline(ServletContext servletContext) throws ServletException {

    //double-checked lock, prevents duplicate initialization
    if (initialized)
        return;//from  w  w w .ja  v  a2 s .c o m

    // Used to prevent duplicate initialization.
    Set<Filter> initializedSoFar = Sets.newIdentityHashSet();

    for (FilterDefinition filterDefinition : filterDefinitions) {
        filterDefinition.init(servletContext, injector, initializedSoFar);
    }

    //next, initialize servlets...
    servletPipeline.init(servletContext, injector);

    //everything was ok...
    initialized = true;
}

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From source file:com.google.inject.servlet.ManagedServletPipeline.java

public void destroy() {
    Set<HttpServlet> destroyedSoFar = Sets.newIdentityHashSet();
    for (ServletDefinition servletDefinition : servletDefinitions) {
        servletDefinition.destroy(destroyedSoFar);
    }//  w  ww  .jav  a  2s.  c  o  m
}

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From source file:org.ldp4j.application.data.validation.Validator.java

private Validator() {
    this.dataSetVC = Lists.newArrayList();
    this.individualVC = Lists.newArrayList();
    this.propertyVC = Lists.newArrayList();
    this.checkedVC = Sets.newIdentityHashSet();
}

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From source file:com.google.inject.servlet.DynamicFilterPipeline.java

@Override
public void destroyPipeline() {
    servletPipeline.destroy();/*from  w  w  w  . ja v  a2 s .co m*/

    Set<Filter> destroyedSoFar = Sets.newIdentityHashSet();
    for (FilterDefinition filterDefinition : filterDefinitions()) {
        filterDefinition.destroy(destroyedSoFar);
    }
}

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From source file:com.haulmont.cuba.core.sys.EntityManagerImpl.java

@Override
public <T extends Entity> T merge(T entity) {
    log.debug("merge {}", entity);

    if (PersistenceHelper.isManaged(entity))
        return entity;

    String storeName = support.getStorageName(delegate.unwrap(UnitOfWork.class));
    entityListenerMgr.fireListener(entity, EntityListenerType.BEFORE_ATTACH, storeName);

    if ((PersistenceHelper.isNew(entity) || !PersistenceHelper.isDetached(entity)) && entity.getId() != null) {
        // if a new instance is passed to merge(), we suppose it is persistent but "not detached"
        Entity destEntity = findOrCreate(entity.getClass(), entity.getId());
        deepCopyIgnoringNulls(entity, destEntity, Sets.newIdentityHashSet());
        //noinspection unchecked
        return (T) destEntity;
    }/*from  w  ww  .j a  v  a  2  s . c  o m*/

    T merged = internalMerge(entity);
    support.registerInstance(merged, this);
    return merged;
}

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From source file:com.googlecode.concurrentlinkedhashmap.IsValidConcurrentLinkedHashMap.java

@SuppressWarnings("rawtypes")
private void checkLinks(ConcurrentLinkedHashMap<? extends K, ? extends V> map, DescriptionBuilder builder) {
    long weightedSize = 0;
    Set<Node> seen = Sets.newIdentityHashSet();
    for (Node node : map.evictionDeque) {
        String errorMsg = String.format("Loop detected: %s, saw %s in %s", node, seen, map);
        builder.expectThat(errorMsg, seen.add(node), is(true));
        weightedSize += ((WeightedValue) node.get()).weight;
        checkNode(map, node, builder);//from w w w. j ava  2  s .  c  om
    }

    builder.expectThat("Size != list length", map.size(), is(seen.size()));
    builder.expectThat(
            "WeightedSize != link weights" + " [" + map.weightedSize() + " vs. " + weightedSize + "]"
                    + " {size: " + map.size() + " vs. " + seen.size() + "}",
            map.weightedSize(), is(weightedSize));
}

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From source file:org.fao.geonet.api.records.formatters.groovy.TransformEngine.java

private void processChildren(TransformationContext context, GPathResult md, List<GPathResult> sortedChildren,
        StringBuilder resultantXml) throws IOException {
    if (sortedChildren.isEmpty()) {
        return;/* w  w w . j  a  v  a  2s . c  o m*/
    }

    if (md != null) {
        Sorter sorter = this.handlers.findSorter(context, md);
        if (sorter != null) {
            Collections.sort(sortedChildren, sorter);
        }
    }

    final Set<GPathResult> visitedByGroup = Sets.newIdentityHashSet();
    int size = sortedChildren.size();
    for (int i = 0; i < size; i++) {
        GPathResult child = sortedChildren.get(i);

        if (!visitedByGroup.contains(child)) {
            visitedByGroup
                    .addAll(processElement(context, child, sortedChildren.subList(i + 1, size), resultantXml));
        }
    }
}

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