1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.maven.di;
20
21 import java.lang.annotation.Annotation;
22 import java.util.function.Supplier;
23
24 import org.apache.maven.api.annotations.Nonnull;
25 import org.apache.maven.di.impl.InjectorImpl;
26
27 public interface Injector {
28
29 //
30 // Builder API
31 //
32
33 @Nonnull
34 static Injector create() {
35 return new InjectorImpl();
36 }
37
38 @Nonnull
39 Injector discover(@Nonnull ClassLoader classLoader);
40
41 @Nonnull
42 Injector bindScope(@Nonnull Class<? extends Annotation> scopeAnnotation, @Nonnull Scope scope);
43
44 @Nonnull
45 Injector bindScope(@Nonnull Class<? extends Annotation> scopeAnnotation, @Nonnull Supplier<Scope> scope);
46
47 @Nonnull
48 Injector bindImplicit(@Nonnull Class<?> cls);
49
50 @Nonnull
51 <T> Injector bindInstance(@Nonnull Class<T> cls, @Nonnull T instance);
52
53 //
54 // Bean access
55 //
56
57 <T> void injectInstance(@Nonnull T instance);
58
59 @Nonnull
60 <T> T getInstance(@Nonnull Class<T> key);
61
62 @Nonnull
63 <T> T getInstance(@Nonnull Key<T> key);
64 }