Examples of java.util.EnumSet$EnumSetImpl$IteratorImpl

java.util.EnumSet
Implemented via sparse array since the set size is finite. Iteration takes linear time with respect to the set of the enum rather than the number of items in the set. Note: Implemented as a subclass instead of a concrete final EnumSet class. This is because declaring an EnumSet.add(E) causes hosted mode to bind to the tighter method rather than the bridge method; but the tighter method isn't available in the real JRE.

    /**
     * This method returns all valid algorithms for PolicyLevel.A.
     * @return An EnumSet with all valid algorithms.
     */
    public static EnumSet getAAlgorithms() {
        EnumSet aAlgorithms = EnumSet.noneOf(Algorithms.class);
        for (Algorithms val : Algorithms.values()) {
            if (val.getLevel() == PolicyLevel.A) {
                aAlgorithms.add(val);
            }
        }
        return aAlgorithms;
    }

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    /**
     * This method returns all valid algorithms for PolicyLevel.C.
     * @return An EnumSet with all valid algorithms.
     */
    public static EnumSet getCAlgorithms() {
        EnumSet cAlgorithms = EnumSet.noneOf(Algorithms.class);
        for (Algorithms val : Algorithms.values()) {
            if (val.getLevel() == PolicyLevel.C) {
                cAlgorithms.add(val);
            }
        }
        return cAlgorithms;
    }

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    /**
     * This method returns all valid algorithms for PolicyLevel.I.
     * @return An EnumSet with all valid algorithms.
     */
    public static EnumSet getIAlgorithms() {
        EnumSet iAlgorithms = EnumSet.noneOf(Algorithms.class);
        for (Algorithms val : Algorithms.values()) {
            if (val.getLevel() == PolicyLevel.I) {
                iAlgorithms.add(val);
            }
        }
        return iAlgorithms;
    }

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    public boolean canConvert(Class type) {
        return typeField != null && EnumSet.class.isAssignableFrom(type);
    }


    public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
        EnumSet set = (EnumSet) source;
        Class enumTypeForSet = (Class) Fields.read(typeField, set);
        String attributeName = mapper.aliasForSystemAttribute("enum-type");
        if (attributeName != null) {
            writer.addAttribute(attributeName, mapper.serializedClass(enumTypeForSet));
        }

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        String attributeName = mapper.aliasForSystemAttribute("enum-type");
        if (attributeName == null) {
            throw new ConversionException("No EnumType specified for EnumSet");
        }
        Class enumTypeForSet = mapper.realClass(reader.getAttribute(attributeName));
        EnumSet set = EnumSet.noneOf(enumTypeForSet);
        String[] enumValues = reader.getValue().split(",");
        for (int i = 0; i < enumValues.length; i++) {
            String enumValue = enumValues[i];
            if(enumValue.length() > 0) {
                set.add(Enum.valueOf(enumTypeForSet, enumValue));
            }
        }
        return set;
    }

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        rawCollection.add(EnumWithInnerClass.a);
        result = set.containsAll(rawCollection);
        assertFalse("Should return false", result); //$NON-NLS-1$


        EnumSet rawSet = EnumSet.noneOf(EnumFoo.class);
        result = set.containsAll(rawSet);
        assertTrue("Should contain empty set", result); //$NON-NLS-1$


        emptySet = EnumSet.noneOf(EmptyEnum.class);
        result = set.containsAll(emptySet);

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        serializer.write(kryo, output, element);
    }


    public EnumSet read (Kryo kryo, Input input, Class<EnumSet> type) {
      Registration registration = kryo.readClass(input);
      EnumSet object = EnumSet.noneOf(registration.getType());
      Serializer serializer = registration.getSerializer();
      int length = input.readInt(true);
      for (int i = 0; i < length; i++)
        object.add(serializer.read(kryo, input, null));
      return object;
    }

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        rawCollection.add(EnumWithInnerClass.a);
        result = set.containsAll(rawCollection);
        assertFalse("Should return false", result); //$NON-NLS-1$


        EnumSet rawSet = EnumSet.noneOf(EnumFoo.class);
        result = set.containsAll(rawSet);
        assertTrue("Should contain empty set", result); //$NON-NLS-1$


        emptySet = EnumSet.noneOf(EmptyEnum.class);
        result = set.containsAll(emptySet);

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  static public class EnumSetSerializer extends Serializer<EnumSet> {
    public void write (Kryo kryo, Output output, EnumSet object) {
      Serializer serializer;
      if (object.isEmpty()) {
        EnumSet tmp = EnumSet.complementOf(object);
        if (tmp.isEmpty()) throw new KryoException("An EnumSet must have a defined Enum to be serialized.");
        serializer = kryo.writeClass(output, tmp.iterator().next().getClass()).getSerializer();
      } else {
        serializer = kryo.writeClass(output, object.iterator().next().getClass()).getSerializer();
      }
      output.writeInt(object.size(), true);
      for (Object element : object)

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        serializer.write(kryo, output, element);
    }


    public EnumSet read (Kryo kryo, Input input, Class<EnumSet> type) {
      Registration registration = kryo.readClass(input);
      EnumSet object = EnumSet.noneOf(registration.getType());
      Serializer serializer = registration.getSerializer();
      int length = input.readInt(true);
      for (int i = 0; i < length; i++)
        object.add(serializer.read(kryo, input, null));
      return object;
    }

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