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| 1 | +package com.dianpoint.summer.lang; |
| 2 | + |
| 3 | +import com.dianpoint.summer.utils.AssertUtils; |
| 4 | + |
| 5 | +import java.util.function.BiConsumer; |
| 6 | + |
| 7 | +@FunctionalInterface |
| 8 | +public interface ThrowableConsumer<T> { |
| 9 | + |
| 10 | + void accept(T t) throws Throwable; |
| 11 | + |
| 12 | + |
| 13 | + /** |
| 14 | + * 定义一个默认的异常处理方法,用来固定抛出一个runtimeException |
| 15 | + * |
| 16 | + * @param t 入参 |
| 17 | + * @param throwable 待抛出的异常 |
| 18 | + */ |
| 19 | + default void handleException(T t, Throwable throwable) { |
| 20 | + throw new RuntimeException(throwable); |
| 21 | + } |
| 22 | + |
| 23 | + /** |
| 24 | + * 默认执行逻辑,无客制化异常处理逻辑,采用默认的异常处理方法{@link #handleException(Object, Throwable)} |
| 25 | + * |
| 26 | + * @param t 入参 |
| 27 | + */ |
| 28 | + default void execute(T t) { |
| 29 | + |
| 30 | + } |
| 31 | + |
| 32 | + default void execute(T t, BiConsumer<T, Throwable> exceptionHandler) throws NullPointerException { |
| 33 | + AssertUtils.assertNotNull(exceptionHandler, () -> "The 'exceptionHandler' must not be null"); |
| 34 | + try { |
| 35 | + accept(t); |
| 36 | + } catch (Throwable failure) { |
| 37 | + exceptionHandler.accept(t, failure); |
| 38 | + } |
| 39 | + } |
| 40 | + |
| 41 | + default void execute(T t, ThrowableConsumer<T> consumer) throws NullPointerException { |
| 42 | + consumer.execute(t, this::handleException); |
| 43 | + } |
| 44 | + |
| 45 | + default void execute(T t, ThrowableConsumer<T> consumer, BiConsumer<T, Throwable> exceptionHandler) |
| 46 | + throws NullPointerException { |
| 47 | + AssertUtils.assertNotNull(exceptionHandler, () -> "The 'exceptionHandler' must not be null"); |
| 48 | + consumer.execute(t,exceptionHandler); |
| 49 | + } |
| 50 | +} |
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