/*
 * (c) Copyright 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 * [See end of file]
 */

package migrate.lib.tuple;

import org.openjena.atlas.lib.Lib;

public final class TupleN<T> extends ZTuple<T>
{
    T[] tuple ;

    protected TupleN(T...tuple) 
    {
        this.tuple = tuple ;
    }
    
    @Override
    public T[] tuple() { return tuple ; }
    
    @Override
    protected boolean equalElements(ZTuple<?> x)
    {
        TupleN<?> x1 = (TupleN<?>)x ;
        for ( int i = 0 ; i < tuple.length ; i++ )
        {
            Object obj1 = x1.tuple[i] ;
            Object obj2 = tuple[i] ;
            if ( ! Lib.equal(obj1, obj2) )
                return false ;
        }
        return true ;
    }
    
    @Override
    public T get(int idx)
    {
        if ( idx < 0 || idx >= tuple.length )
            throw new TupleException("Out of bounds: "+idx) ;
        return tuple[idx] ;
    }

    @Override
    public int hashCode()
    {
        int x = 0 ;
        for ( T t: tuple)
            x = x<<1 ^ Lib.hashCodeObject(t, ZTuple.NulItemHashCode) ; 
        return x ;
    }

    @Override
    public int size()
    {
        return tuple.length ;
    }

}

/*
 * (c) Copyright 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */