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.RetentionPolicy.RUNTIME;
19:
20: import java.lang.annotation.Documented;
21: import java.lang.annotation.Retention;
22: import java.lang.annotation.Target;
23:
24: import org.apache.tapestry.Block;
25:
26: /**
27: * Optional annotation, used with {@link Inject}, which exists to provide the id of an object when
28: * it can not be determined by other means (such as from the field name). Currently, this is used
29: * when injecting a {@link Block}.
30: */
31: @Target(FIELD)
32: @Documented
33: @Retention(RUNTIME)
34: public @interface Id {
35: /** The id. */
36: String value();
37: }
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