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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.core.util; import java.util.*; public class NoEqualsSet<E, C extends Comparable<C>> extends NoEqualsCollection<E, C> implements Set<E> { private final Set<Wrapper<E, C>> mCollection = new HashSet<Wrapper<E, C>>(); protected NoEqualsSet( NoEqualsHelper<E, C> pHelper ) { super( pHelper ); } public NoEqualsSet( NoEqualsHelper<E, C> pHelper, Collection<? extends E> pInitialEntries ) { this( pHelper ); if ( pInitialEntries != null ) { E[] zEntries = pInitialEntries.toArray( mHelper.createArray( pInitialEntries.size() ) ); // Snag a copy of the Entries for ( E zEntry : zEntries ) { if ( zEntry != null ) { mCollection.add( wrap( zEntry ) ); } } } } public NoEqualsSet( NoEqualsHelper<E, C> pHelper, E... pInitialEntries ) { this( pHelper, (pInitialEntries != null) ? Arrays.asList( pInitialEntries ) : null ); } @Override protected final Collection<Wrapper<E, C>> LLgetCollection() { return mCollection; } /** * Compares the specified object with this set for equality. * <p/> * Returns <tt>true</tt> if the specified object is also a set, the two sets * have the same size, and every member of the specified set is * contained in this set (or equivalently, every member of this set is * contained in the specified set). This definition ensures that the * equals method works properly across different implementations of the * set interface. * * @param o object to be compared for equality with this set * * @return <tt>true</tt> if the specified object is equal to this set */ public final boolean equals( Object o ) { return (o == this) || ((o instanceof Set) && LLequalsNotNull( (Set<?>) o )); } public final boolean equals( Set<?> them ) { return (them == this) || ((them != null) && LLequalsNotNull( them )); } private boolean LLequalsNotNull( Set<?> them ) { Object[] theirObjects = them.toArray(); synchronized ( this ) { if ( LLsize() != theirObjects.length ) { return false; } if ( theirObjects.length != 0 ) { Wrapper<E, C>[] zWrappers = getWrappedEntries(); for ( Object zTheirObject : theirObjects ) { if ( !mHelper.isInstance( zTheirObject ) || !LLobjectIsIn( castNullOK( zTheirObject ), zWrappers ) ) { return false; } } } } return true; } } |
Commits for litesoft/trunk/Java/core/Anywhere/src/org/litesoft/core/util/NoEqualsSet.java
Revision | Author | Commited | Message |
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587 | GeorgeS | Fri 02 Dec, 2011 11:55:12 +0000 | Accordion... |