01 /*
02 * Copyright 2008-2015 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
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 package griffon.core;
17
18 import javax.annotation.Nonnull;
19 import javax.annotation.Nullable;
20
21 /**
22 * @author Andres Almiray
23 * @since 2.2.0
24 */
25 public interface Context {
26 boolean containsKey(@Nonnull String key);
27
28 @Nullable
29 Object remove(@Nonnull String key);
30
31 void put(@Nonnull String key, @Nullable Object value);
32
33 void putAt(@Nonnull String key, @Nullable Object value);
34
35 @Nullable
36 Object get(@Nonnull String key);
37
38 @Nullable
39 <T> T get(@Nonnull String key, @Nullable T defaultValue);
40
41 @Nullable
42 Object getAt(@Nonnull String key);
43
44 @Nullable
45 <T> T getAt(@Nonnull String key, @Nullable T defaultValue);
46
47 void destroy();
48 }
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