96 lines
2.9 KiB
Java
96 lines
2.9 KiB
Java
/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package org.redkale.util;
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import java.util.function.BiConsumer;
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import java.nio.channels.CompletionHandler;
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import java.util.function.*;
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/**
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* 异步回调函数
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*
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*
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* <p>
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* 详情见: https://redkale.org
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*
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* @author zhangjx
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* @param <V> 结果对象的泛型
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* @param <A> 附件对象的泛型
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*/
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public interface AsyncHandler<V, A> extends CompletionHandler<V, A> {
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/**
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* 创建 AsyncHandler 对象
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*
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* @param <V> 结果对象的泛型
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* @param <A> 附件对象的泛型
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* @param success 成功的回调函数
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* @param fail 失败的回调函数
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*
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* @return AsyncHandler
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*/
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public static <V, A> AsyncHandler<V, A> create(final BiConsumer<V, A> success, final BiConsumer<Throwable, A> fail) {
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return new AsyncHandler<V, A>() {
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@Override
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public void completed(V result, A attachment) {
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if (success != null) success.accept(result, attachment);
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}
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@Override
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public void failed(Throwable exc, A attachment) {
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if (fail != null) fail.accept(exc, attachment);
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}
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};
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}
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/**
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* 创建没有返回结果的 AsyncHandler 对象
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*
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* @param <A> 附件对象的泛型
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* @param success 成功的回调函数
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* @param fail 失败的回调函数
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*
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* @return AsyncHandler
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*/
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public static <A> AsyncHandler<Void, A> create(final Consumer<A> success, final BiConsumer<Throwable, A> fail) {
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return new AsyncHandler<Void, A>() {
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@Override
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public void completed(Void result, A attachment) {
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if (success != null) success.accept(attachment);
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}
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@Override
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public void failed(Throwable exc, A attachment) {
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if (fail != null) fail.accept(exc, attachment);
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}
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};
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}
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/**
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* 创建没有附件对象的 AsyncNoResultHandler 对象
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*
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* @param <V> 结果对象的泛型
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* @param success 成功的回调函数
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* @param fail 失败的回调函数
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*
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* @return AsyncHandler
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*/
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public static <V> AsyncHandler<V, Void> create(final Consumer<V> success, final Consumer<Throwable> fail) {
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return new AsyncHandler<V, Void>() {
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@Override
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public void completed(V result, Void attachment) {
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if (success != null) success.accept(result);
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}
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@Override
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public void failed(Throwable exc, Void attachment) {
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if (fail != null) fail.accept(exc);
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}
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};
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}
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}
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