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1   /*
2    * Grapht, an open source dependency injector.
3    * Copyright 2014-2015 various contributors (see CONTRIBUTORS.txt)
4    * Copyright 2010-2014 Regents of the University of Minnesota
5    *
6    * This program is free software; you can redistribute it and/or modify
7    * it under the terms of the GNU Lesser General Public License as
8    * published by the Free Software Foundation; either version 2.1 of the
9    * License, or (at your option) any later version.
10   *
11   * This program is distributed in the hope that it will be useful, but WITHOUT
12   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13   * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
14   * details.
15   *
16   * You should have received a copy of the GNU General Public License along with
17   * this program; if not, write to the Free Software Foundation, Inc., 51
18   * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19   */
20  package org.grouplens.grapht.reflect;
21  
22  import org.grouplens.grapht.reflect.internal.*;
23  
24  import javax.annotation.Nonnull;
25  import javax.inject.Provider;
26  
27  /**
28   * Class to construct specific {@link Satisfaction} implementations.
29   *
30   * @since 0.7
31   * @author <a href="http://www.grouplens.org">GroupLens Research</a>
32   */
33  public final class Satisfactions {
34      private Satisfactions() {}
35  
36      public static Satisfaction type(@Nonnull Class<?> type) {
37          return new ClassSatisfaction(type);
38      }
39  
40      public static Satisfaction nullOfType(@Nonnull Class<?> type) {
41          return new NullSatisfaction(type);
42      }
43  
44      public static Satisfaction instance(@Nonnull Object o) {
45          return new InstanceSatisfaction(o);
46      }
47  
48      public static Satisfaction providerType(@Nonnull Class<? extends Provider<?>> providerType) {
49          return new ProviderClassSatisfaction(providerType);
50      }
51  
52      public static Satisfaction providerInstance(@Nonnull Provider<?> provider) {
53          return new ProviderInstanceSatisfaction(provider);
54      }
55  }