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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 1998-2009 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.catalog2;

import java.net.URI;
import java.util.List;

import ucar.nc2.units.DateType;

/**
 * Represents a hierarchical collection of datasets.
 *
 * Invariants:
 * 

 *    Must have a non-null name.
 *    Must have a non-null document base URI.
 *    Each Service name must be unique in the catalog.
 *    All Service name references must reference an existing Service.
 *    All Dataset ID must be unique in the catalog.
 *    All Dataset alias must reference an existing Dataset. 
 * 
 *
 * @author edavis
 * @since 4.0
 */
public interface Catalog
{
  public String getName();
  public URI getDocBaseUri();
  public String getVersion();
  public DateType getExpires();
  public DateType getLastModified();

  public List getServices();
  public Service getServiceByName( String name );
  public Service findServiceByNameGlobally( String name );

  public List getDatasets();
  public DatasetNode getDatasetById( String id );
  public DatasetNode findDatasetByIdGlobally( String id );

  public List getProperties();
  public Property getPropertyByName( String name );
}