01: // Copyright 2007 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // Unless required by applicable law or agreed to in writing, software
10: // distributed under the License is distributed on an "AS IS" BASIS,
11: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: // See the License for the specific language governing permissions and
13: // limitations under the License.
14:
15: package org.apache.tapestry.annotations;
16:
17: import static java.lang.annotation.ElementType.FIELD;
18: import static java.lang.annotation.ElementType.PARAMETER;
19: import static java.lang.annotation.RetentionPolicy.RUNTIME;
20:
21: import java.lang.annotation.Documented;
22: import java.lang.annotation.Retention;
23: import java.lang.annotation.Target;
24:
25: /**
26: * Used in conjunction with the {@link Inject} annotation to identify a service <em>by name</em>
27: * and not by type. This is most useful when there are multiple services with the same service
28: * interface and a particular one needs to be selected.
29: */
30: @Target({FIELD,PARAMETER})
31: @Documented
32: @Retention(RUNTIME)
33: public @interface Service {
34: /** The name of the service. Symbols will be expanded and case is not relevant. */
35: String value();
36: }
|