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

Introduction

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

Prototype

public static <E> HashSet<E> newHashSetWithExpectedSize(int expectedSize)

Source Link

Document

Creates a HashSet instance, with a high enough initial table size that it should hold expectedSize elements without resizing.

Usage

From source file:presto.android.gui.listener.ListenerRegistration.java

public Set<SootMethod> getHandlerPrototypes() {
    Set<SootMethod> result = Sets.newHashSetWithExpectedSize(handlers.size());
    for (EventHandler h : handlers) {
        String subsig = h.subsig;
        result.add(listenerClass.getMethod(subsig));
    }/*from   w  w w. j  a v  a  2 s  .  com*/
    return result;
}

From source file:com.github.steveash.typedconfig.resolver.type.container.SetValueResolverFactory.java

@Override
protected Collection<Object> makeEmptyCollection(int size) {
    return Sets.newHashSetWithExpectedSize(size);
}

From source file:com.google.template.soy.shared.internal.BackendModuleUtils.java

/**
 * Given a backend-specific Soy function type and the set of all Soy function implementations,
 * finds the Soy functions that are implemented for the specific backend and returns them in the
 * form of a map from function name to function.
 *
 * @param backendSpecificSoyFunctionType The backend-specific Soy function type to filter for.
 * @param soyFunctionsSet The set of all Soy functions.
 * @return A map of the relevant backend-specific Soy functions (name to function).
 *///from   ww w .  j a v a 2  s  . co m
public static <T extends SoyFunction> Map<String, T> buildBackendSpecificSoyFunctionsMap(
        Class<T> backendSpecificSoyFunctionType, Set<SoyFunction> soyFunctionsSet) {

    ImmutableMap.Builder<String, T> mapBuilder = ImmutableMap.builder();

    Set<String> seenFnNames = Sets.newHashSetWithExpectedSize(soyFunctionsSet.size());

    for (SoyFunction fn : soyFunctionsSet) {
        if (backendSpecificSoyFunctionType.isAssignableFrom(fn.getClass())) {
            String fnName = fn.getName();

            if (seenFnNames.contains(fnName) || ImpureFunction.forFunctionName(fnName) != null) {
                throw new IllegalStateException(
                        "Found two implementations of " + backendSpecificSoyFunctionType.getSimpleName()
                                + " with the same function name '" + fnName + "'.");
            }
            seenFnNames.add(fnName);

            mapBuilder.put(fnName, backendSpecificSoyFunctionType.cast(fn));
        }
    }

    return mapBuilder.build();
}

From source file:com.google.gerrit.server.git.DestinationList.java

protected static Set<Branch.NameKey> toSet(List<Row> destRows) {
    Set<Branch.NameKey> dests = Sets.newHashSetWithExpectedSize(destRows.size());
    for (Row row : destRows) {
        dests.add(new Branch.NameKey(new Project.NameKey(row.right), row.left));
    }//from w w w. j  a v a 2  s  . c  om
    return dests;
}

From source file:org.terasology.reflection.copy.strategy.SetCopyStrategy.java

@Override
public Set<T> copy(Set<T> value) {
    if (value != null) {
        Set<T> result = Sets.newHashSetWithExpectedSize(value.size());
        for (T item : value) {
            result.add(contentStrategy.copy(item));
        }/* w  ww. j  a v  a2 s .c o m*/
        return result;
    }
    return null;
}

From source file:org.graylog2.grok.GrokPatterns.java

public static Set<GrokPattern> fromSummarySet(Collection<GrokPatternSummary> grokPatternSummaries) {
    final Set<GrokPattern> result = Sets.newHashSetWithExpectedSize(grokPatternSummaries.size());
    for (GrokPatternSummary summary : grokPatternSummaries) {
        result.add(fromSummary(summary));
    }/*from   w  ww.  ja  v a  2  s.  c o  m*/

    return result;
}

From source file:com.google.template.soy.shared.internal.ModuleUtils.java

/**
 * Given the set of all Soy function implementations and a specific Soy function type (subtype
 * of SoyFunction) to look for, finds the Soy functions that implement the specific type
 * and returns them in the form of a map from function name to function.
 *
 * @param <T> The specific Soy function type to look for.
 * @param soyFunctionsSet The set of all Soy functions.
 * @param specificSoyFunctionType The class of the specific Soy function type to look for.
 * @return A map of the relevant specific Soy functions (name to function).
 *//*from  ww w .j  a v  a2  s.  co  m*/
public static <T extends SoyFunction> ImmutableMap<String, T> buildSpecificSoyFunctionsMap(
        Set<SoyFunction> soyFunctionsSet, Class<T> specificSoyFunctionType) {

    ImmutableMap.Builder<String, T> mapBuilder = ImmutableMap.builder();

    Set<String> seenFnNames = Sets.newHashSetWithExpectedSize(soyFunctionsSet.size());

    for (SoyFunction fn : soyFunctionsSet) {
        if (specificSoyFunctionType.isAssignableFrom(fn.getClass())) {
            String fnName = fn.getName();

            if (seenFnNames.contains(fnName) || NonpluginFunction.forFunctionName(fnName) != null) {
                throw new IllegalStateException(
                        "Found two implementations of " + specificSoyFunctionType.getSimpleName()
                                + " with the same function name '" + fnName + "'.");
            }
            seenFnNames.add(fnName);

            mapBuilder.put(fnName, specificSoyFunctionType.cast(fn));
        }
    }

    return mapBuilder.build();
}

From source file:com.google.template.soy.shared.internal.FunctionAdapters.java

/**
 * Given the set of all Soy function implementations and a specific Soy function type (subtype
 * of SoyFunction) to look for, finds the Soy functions that implement the specific type
 * and returns them in the form of a map from function name to function.
 *
 * @param <T> The specific Soy function type to look for.
 * @param soyFunctionsSet The set of all Soy functions.
 * @param specificSoyFunctionType The class of the specific Soy function type to look for.
 * @return A map of the relevant specific Soy functions (name to function).
 *///from ww w  . j  av  a 2  s.  co  m
public static <T extends SoyFunction> ImmutableMap<String, T> buildSpecificSoyFunctionsMap(
        Set<SoyFunction> soyFunctionsSet, Class<T> specificSoyFunctionType) {

    ImmutableMap.Builder<String, T> mapBuilder = ImmutableMap.builder();

    Set<String> seenFnNames = Sets.newHashSetWithExpectedSize(soyFunctionsSet.size());

    for (SoyFunction fn : soyFunctionsSet) {
        if (specificSoyFunctionType.isAssignableFrom(fn.getClass())) {
            String fnName = fn.getName();

            if (seenFnNames.contains(fnName) || BuiltinFunction.forFunctionName(fnName) != null) {
                throw new IllegalStateException(
                        "Found two implementations of " + specificSoyFunctionType.getSimpleName()
                                + " with the same function name '" + fnName + "'.");
            }
            seenFnNames.add(fnName);

            mapBuilder.put(fnName, specificSoyFunctionType.cast(fn));
        }
    }

    return mapBuilder.build();
}

From source file:com.android.tools.idea.navigator.nodes.NonAndroidModuleNode.java

private static Set<NonAndroidSourceType> getNonEmptySourceTypes(Module module) {
    ModuleRootManager rootManager = ModuleRootManager.getInstance(module);
    Set<NonAndroidSourceType> sourceTypes = Sets
            .newHashSetWithExpectedSize(NonAndroidSourceType.values().length);

    ContentEntry[] contentEntries = rootManager.getContentEntries();
    for (ContentEntry entry : contentEntries) {
        for (NonAndroidSourceType type : NonAndroidSourceType.values()) {
            for (SourceFolder sourceFolder : entry.getSourceFolders(type.rootType)) {
                if (sourceFolder.getFile() != null) {
                    sourceTypes.add(type);
                    break;
                }//  w w  w  .  jav  a  2 s.c  om
            }
        }
    }

    return sourceTypes;
}

From source file:defrac.intellij.project.DefracProjectUtil.java

@NotNull
public static Module[] findModulesForPlatform(@Nullable final Project project,
        @NotNull final DefracPlatform platform, @Nullable final Condition<Module> condition) {
    if (project == null) {
        return Module.EMPTY_ARRAY;
    }//from w w w.j av  a  2  s  .c  o  m

    final Module[] modules = ModuleManager.getInstance(project).getModules();
    final Set<Module> platformModules = Sets
            .newHashSetWithExpectedSize(modules.length / (DefracPlatform.values().length));

    for (final Module module : modules) {
        final DefracFacet facet = DefracFacet.getInstance(module);

        if (facet == null || facet.getPlatform() != platform) {
            continue;
        }

        if (condition != null && !condition.value(module)) {
            continue;
        }

        platformModules.add(module);
    }

    return platformModules.toArray(new Module[platformModules.size()]);
}