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.METHOD;
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: /**
25: * Method annotation used for methods that should be invoked when the page is first attached to a
26: * request. This is useful for initializations that should occur on each request that involves the
27: * page. Often, such initializations will be balanced by cleanups when the page is detached.
28: * <p>
29: * PageAttached methods should take no parameters and return void. They must either have this
30: * annotation, or be named "pageAttached".
31: *
32: * @see PageDetached
33: */
34: @Target(METHOD)
35: @Retention(RUNTIME)
36: @Documented
37: public @interface PageAttached {
38:
39: }
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