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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.geometry.io.euclidean.threed;
18  
19  /** Interface for reading {@link FacetDefinition facet definitions} from an input source.
20   * @see FacetDefinition
21   */
22  public interface FacetDefinitionReader extends AutoCloseable {
23  
24      /** Return the next facet definition from the input source or null if no more
25       * facets are available.
26       * @return the next facet definition or null if no more facets
27       *      are available
28       * @throws IllegalStateException if a data format error occurs
29       * @throws java.io.UncheckedIOException if an I/O error occurs
30       */
31      FacetDefinition readFacet();
32  
33      /** Close this instance and release all associated resources.
34       * @throws java.io.UncheckedIOException if an I/O error occurs
35       */
36      @Override
37      void close();
38  }