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The NetCDF-Java Library is a Java interface to NetCDF files, as well as to many other types of scientific data formats.
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/*
 * Copyright (c) 1998 - 2011. 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 thredds.inventory;

import java.util.Iterator;

/**
 * Inventory Management Controller
 *
 * @author caron
 * @since Jun 25, 2009
 */
public interface MController {

  /**
   * Returns all leaves in collection, resursing into subdirectories.
   * @param mc defines the collection to scan
   * @param recheck if false, may use cached results. otherwise must sync with File OS
   * @return iterator over Mfiles, or null if collection does not exist
   */
  public Iterator getInventoryAll(MCollection mc, boolean recheck);

  /**
   * Returns all leaves in top collection, not recursing into subdirectories.
   * @param mc defines the collection to scan
   * @param recheck if false, may use cached results. otherwise must sync with File OS
   * @return iterator over Mfiles, or null if collection does not exist
   */
  public Iterator getInventoryTop(MCollection mc, boolean recheck);

  /**
   * Returns all subdirectories in top collection.
   * @param mc defines the collection to scan
   * @param recheck if false, may use cached results. otherwise must sync with File OS
   * @return iterator over Mfiles, or null if collection does not exist
   */
  public Iterator getSubdirs(MCollection mc, boolean recheck);

  public void close();

}