001/** 002 * Copyright (C) 2006-2021 Talend Inc. - www.talend.com 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.talend.sdk.component.api.service.interceptor; 017 018import static java.lang.annotation.ElementType.ANNOTATION_TYPE; 019import static java.lang.annotation.RetentionPolicy.RUNTIME; 020 021import java.lang.annotation.Retention; 022import java.lang.annotation.Target; 023 024/** 025 * Marks an annotation as being an interceptor marker. 026 * See also {@link InterceptorHandler} too. 027 */ 028@Target(ANNOTATION_TYPE) 029@Retention(RUNTIME) 030public @interface Intercepts { 031 032 /** 033 * The handler to use for that marker. 034 * If not set an exception will be thrown. 035 * 036 * @return the handler class to use for that marker. 037 */ 038 Class<? extends InterceptorHandler> value(); 039 040 /** 041 * The interceptors are sorted by this number. 042 * 043 * @return the priority of the interceptor. 044 */ 045 int priority() default 0; 046}