Package net.imglib2.img.sparse

Source Code of net.imglib2.img.sparse.NtreeImg$PositionProvider

/*
* #%L
* ImgLib2: a general-purpose, multidimensional image processing library.
* %%
* Copyright (C) 2009 - 2014 Stephan Preibisch, Tobias Pietzsch, Barry DeZonia,
* Stephan Saalfeld, Albert Cardona, Curtis Rueden, Christian Dietz, Jean-Yves
* Tinevez, Johannes Schindelin, Lee Kamentsky, Larry Lindsey, Grant Harris,
* Mark Hiner, Aivar Grislis, Martin Horn, Nick Perry, Michael Zinsmaier,
* Steffen Jaensch, Jan Funke, Mark Longair, and Dimiter Prodanov.
* %%
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDERS OR CONTRIBUTORS 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.
* #L%
*/

package net.imglib2.img.sparse;

import java.io.Serializable;

import net.imglib2.FlatIterationOrder;
import net.imglib2.img.AbstractNativeImg;
import net.imglib2.img.ImgFactory;
import net.imglib2.type.NativeType;
import net.imglib2.util.Fraction;

/**
* @author Tobias Pietzsch
*
*/
public final class NtreeImg< T extends NativeType< T >, A extends NtreeAccess< ?, A >> extends AbstractNativeImg< T, A > implements Serializable
{

  /**
   * TODO: remove with proper serialization
   */
  private static final long serialVersionUID = 1L;

  // final Ntree<?> ntree;
  final A data;

  public NtreeImg( final A data, final long[] dim, final Fraction entitiesPerPixel )
  {
    super( dim, entitiesPerPixel );

    // this.ntree = new Ntree<Integer>(dimensions, 0);
    this.data = data;
  }

  private NtreeImg( final NtreeImg< T, A > img )
  {
    super( img.dimension, new Fraction() );

    // this.ntree = new Ntree<Integer>(img.dimension, 0);
    this.data = img.data;
  }

  public static interface PositionProvider
  {
    long[] getPosition();
  }

  // updater is the RandomAccess / Cursor etc
  // each call creates a new IntAccess wrapper
  @Override
  public A update( final Object updater )
  {
    return data.createInstance( ( ( PositionProvider ) updater ).getPosition() );
  }

  /*
   * (non-Javadoc)
   *
   * @see net.imglib2.RandomAccessible#randomAccess()
   */
  @Override
  public NtreeRandomAccess< T > randomAccess()
  {
    return new NtreeRandomAccess< T >( this );
  }

  @Override
  public NtreeCursor< T > cursor()
  {
    return new NtreeCursor< T >( this );
  }

  @Override
  public NtreeCursor< T > localizingCursor()
  {
    return cursor();
  }

  @Override
  public ImgFactory< T > factory()
  {
    return new NtreeImgFactory< T >();
  }

  @Override
  public NtreeImg< T, A > copy()
  {
    // TODO: More efficient way to create a copy of the img
    @SuppressWarnings( "unchecked" )
    final NtreeImg< T, A > copy = ( NtreeImg< T, A > ) factory().create( dimension, firstElement().createVariable() );

    final NtreeCursor< T > source = this.cursor();
    final NtreeCursor< T > target = copy.cursor();

    while ( source.hasNext() )
      target.next().set( source.next() );

    return copy;
  }

  @Override
  public FlatIterationOrder iterationOrder()
  {
    return new FlatIterationOrder( this );
  }
}
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