1 /*
2  * Copyright (C) 2009 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package signature.compare.model;
18 
19 import java.util.Set;
20 
21 import signature.model.IPackage;
22 
23 /**
24  * {@code IPackageDelta} models the delta between two {@link IPackage}
25  * instances.
26  */
27 public interface IPackageDelta extends IDelta<IPackage>,
28         IAnnotatableElementDelta {
29 
30     /**
31      * Returns a set of class definition deltas or {@code null} if no deltas are
32      * available.
33      *
34      * @return a set of class definition deltas, maybe {@code null}
35      */
getClassDeltas()36     Set<IClassDefinitionDelta> getClassDeltas();
37 }
38