/*
* Copyright 1998-2015 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
* written permission is obtained from UCAR/Unidata. The user also
* understands that UCAR/Unidata is not obligated to provide the user with
* any support, consulting, training or assistance of any kind with regard
* to the use, operation and performance of this software nor to provide
* the user with any updates, revisions, new versions or "bug fixes."
*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "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 UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package ucar.ma2;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
/**
* Describe
*
* @author caron
* @since 5/31/2015
*/
public class ArrayStructureBBsection extends ArrayStructureBB {
protected int[] orgRecnum;
/**
* Make a section of an ArrayStructureBB
*
* @param org the original
* @param section of the whole
* @return original, if section is empty or the same saze as the original, else a section of the original
*/
static public ArrayStructureBB factory(ArrayStructureBB org, Section section) {
if (section == null || section.computeSize() == org.getSize())
return org;
return new ArrayStructureBBsection(org.getStructureMembers(), org.getShape(), org.getByteBuffer(), section);
}
private ArrayStructureBBsection(StructureMembers members, int[] shape, ByteBuffer bbuffer, Section section) {
super(members, shape, bbuffer, 0);
int n = (int) section.computeSize();
Section.Iterator iter = section.getIterator(shape);
orgRecnum = new int[n];
int count = 0;
while (iter.hasNext()) {
orgRecnum[count++] = iter.next(null);
}
}
@Override
protected int calcOffsetSetOrder(int recnum, StructureMembers.Member m) {
if (null != m.getDataObject())
bbuffer.order( (ByteOrder) m.getDataObject());
return bb_offset + orgRecnum[recnum] * getStructureSize() + m.getDataParam();
}
}