com.livk.commons.beans.GenericWrapper Maven / Gradle / Ivy
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/*
* Copyright 2021-2024 spring-boot-extension 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 com.livk.commons.beans;
import java.util.Optional;
import java.util.function.Function;
/**
* 带有泛型的包装器
*
* @param the type parameter
* @author livk
*/
public interface GenericWrapper extends Wrapper {
/**
* 构建一个GenericWrapper包装器
* @param 相关泛型
* @param delegate the value
* @return the delegating wrapper
*/
static GenericWrapper of(T delegate) {
return new RecordWrapper<>(delegate);
}
/**
* 进行map转换
* @param function fun
* @param 转换后泛型
* @return wrapper
*/
default GenericWrapper map(Function function) {
V unwrap = this.unwrap();
return of(function.apply(unwrap));
}
/**
* 进行flatmap转换
* @param function fun
* @param 转换后泛型
* @return wrapper
*/
default GenericWrapper flatmap(Function> function) {
return function.apply(this.unwrap());
}
/**
* 转成optional
* @return optional
*/
default Optional optional() {
return Optional.of(this).map(GenericWrapper::unwrap);
}
/**
* 解析成泛型相关实例
* @return 带有泛型的相关实例
*/
V unwrap();
}