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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
package hdf.hdf5lib.callbacks;
/**
* Information class for link callback for H5Diterate.
*
*/
public interface H5D_iterate_cb extends Callbacks {
/**
* @ingroup JCALL
*
* application callback for each dataset element
*
* @param elem the pointer to the element in memory containing the current point
* @param elem_type the datatype ID for the elements stored in elem
* @param ndim the number of dimensions for POINT array
* @param point the array containing the location of the element within the original dataspace
* @param op_data the operator data passed in to H5Diterate
*
* @return operation status
* A. Zero causes the iterator to continue, returning zero when all
* attributes have been processed.
* B. Positive causes the iterator to immediately return that positive
* value, indicating short-circuit success. The iterator can be
* restarted at the next attribute.
* C. Negative causes the iterator to immediately return that value,
* indicating failure. The iterator can be restarted at the next
* attribute.
*/
int callback(byte[] elem, long elem_type, int ndim, long[] point, H5D_iterate_t op_data);
}
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