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/*
 * Copyright 2020-2021 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.ifinalframework.cache.annotation;

import org.ifinalframework.core.lang.SpEL;
import org.springframework.core.annotation.AliasFor;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * 作用在方法参数 {@link java.lang.reflect.Parameter} 上，实现在方法执行之前，从缓存中获取值，并将该值赋于该参数。
 *
 * @author likly
 * @version 1.0.0
 * @since 1.0.0
 */
@Target(ElementType.PARAMETER)
@Retention(RetentionPolicy.RUNTIME)
public @interface CacheValue {

    @SpEL
    String[] key();

    @SpEL
    String[] field() default {};

    String delimiter() default ":";

    @SpEL
    @AliasFor("when")
    String condition() default "";

    @SpEL
    @AliasFor("condition")
    String when() default "";

}