Examples of java.util.AbstractSet

java.util.AbstractSet
This class provides a skeletal implementation of the Set interface to minimize the effort required to implement this interface.
The process of implementing a set by extending this class is identical to that of implementing a Collection by extending AbstractCollection, except that all of the methods and constructors in subclasses of this class must obey the additional constraints imposed by the Set interface (for instance, the add method must not permit addition of multiple instances of an object to a set).
Note that this class does not override any of the implementations from the AbstractCollection class. It merely adds implementations for equals and hashCode.
This class is a member of the Java Collections Framework. @param < E> the type of elements maintained by this set @author Josh Bloch @author Neal Gafter @version 1.29, 04/21/06 @see Collection @see AbstractCollection @see Set @since 1.2


    /**
     *  Implements {@link Map#entrySet()}.
     */
    public Set entrySet() {
        return new AbstractSet() {
            // helper
            private Entry findEntry(Object o) {
                if (o == null) return null;
                if (!(o instanceof Map.Entry)) return null;

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public final class SetUtils
{
    public static Set oneElementUnmodifiableSet(final Object elem)
    {
  return new AbstractSet()
      {
    public Iterator iterator()
    { return IteratorUtils.oneElementUnmodifiableIterator( elem ); }


    public int size() { return 1; }

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  }


  //Map//
  public Set entrySet() {
    if (_entries == null) {
      _entries = new AbstractSet() {
        public int size() {
          return ParameterMap.this.size();
        }
        public boolean contains(Object o) {
          return ParameterMap.this.containsKey(o);

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 */
public abstract class AttributesMap extends StringKeysMap {
  private Set _entries;
  public Set entrySet() {
    if (_entries == null) {
      _entries = new AbstractSet() {
        public int size() {
          return AttributesMap.this.size();
        }
        public boolean contains(Object o) {
          return AttributesMap.this.containsKey(o);

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            }
        };
    }


    public Set keySet() {
        return new AbstractSet() {
            public Iterator iterator() {
                return keyIterator();
            }


            public int size() {

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  public void setDescription(String description){    
  }


  public Set getTerms() {
    return new AbstractSet() {
      public boolean contains(Object o) {
        return o instanceof IntTerm;
      }


      public int size() {

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            }
        };
    }


    public Set keySet() {
        return new AbstractSet() {
            public Iterator iterator() {
                return keyIterator();
            }


            public int size() {

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        }
        return false;
    }


    public Set entrySet() {
        return new AbstractSet() {
            public Iterator iterator() {
                return entryIterator();
            }


            public int size() {

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     * @return a set view of the mappings contained in this map.
     */
    public Set entrySetByValue() {


        if (setOfEntries[VALUE] == null) {
            setOfEntries[VALUE] = new AbstractSet() {


                public Iterator iterator() {


                    return new DoubleOrderedMapIterator(VALUE) {

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     * @return a set view of the keys contained in this map.
     */
    public Set keySetByValue() {


        if (setOfKeys[VALUE] == null) {
            setOfKeys[VALUE] = new AbstractSet() {


                public Iterator iterator() {


                    return new DoubleOrderedMapIterator(VALUE) {

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