    001    // Copyright 2008, 2009 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    //     http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.annotations;
    016
    017    import java.lang.annotation.*;
    018
    019    import static org.apache.tapestry5.ioc.annotations.AnnotationUseContext.*;
    020    import org.apache.tapestry5.ioc.annotations.UseWith;
    021
    022    /**
    023     * Marker annotation for component methods to enable debug-level logging. Annotated methods will log method entry (with
    024     * parameters), method exit (with return value, for non-void methods) and any thrown exceptions.
    025     *
    026     * @see org.apache.tapestry5.internal.transform.LogWorker
    027     */
    028    @Target(ElementType.METHOD)
    029    @Retention(RetentionPolicy.RUNTIME)
    030    @Documented
    031    @UseWith({COMPONENT,MIXIN,PAGE})
    032    public @interface Log
    033    {
    034    }