From 50689a6e079d12964cd0466e0595c04a0fffd0b6 Mon Sep 17 00:00:00 2001 From: luxiaotao1123 <t1341870251@63.com> Date: 星期五, 23 十二月 2022 10:56:01 +0800 Subject: [PATCH] # --- src/main/java/com/zy/core/News.java | 108 +++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 106 insertions(+), 2 deletions(-) diff --git a/src/main/java/com/zy/core/News.java b/src/main/java/com/zy/core/News.java index 6257bd1..e757b17 100644 --- a/src/main/java/com/zy/core/News.java +++ b/src/main/java/com/zy/core/News.java @@ -2,14 +2,118 @@ import lombok.extern.slf4j.Slf4j; +import java.lang.reflect.Array; +import java.util.Arrays; +import java.util.Date; +import java.util.List; + /** - * news stories + * news stories for zoneyung * Created by vincent on 2022/12/22 */ @Slf4j -@SuppressWarnings({"unchecked","rawtypes"}) public class News { + interface NewsSupport<T> { boolean execute(T t); } + private static final NewsQueue<NewsDomain> NEWS_QUEUE = new NewsQueue<>(NewsDomain.class, 1024); + + @SuppressWarnings({"unchecked"}) + static class NewsQueue<T> { + + private final transient Class<T> cls; + private final T[] arr; + private final int capacity; + private int head; + private int tail; + + { this.head = 0; this.tail = 0; } + + public NewsQueue(Class<T> cls, int capacity) { + this.cls = cls; + arr = (T[]) Array.newInstance(cls, capacity); + this.capacity = capacity; + } + + public synchronized boolean offer(T t) { + if (this.tail == this.capacity) { + return false; + } else { + for (int i = this.head; i < this.tail; i++) { + this.arr[i-this.head] = this.arr[i]; + } + this.tail -= this.head; + this.head = 0; + } + this.arr[this.tail] = t; + this.tail ++; + return true; + } + + public synchronized T peek() { + if (this.head == this.tail) { + return null; + } + T t = this.arr[this.head]; + this.head ++; + return t; + } + + public synchronized int size() { + return this.tail - this.head; + } + + public synchronized List<T> all() { + T[] ts = (T[]) Array.newInstance(this.cls, size()); + if (this.tail - this.head >= 0) { + System.arraycopy(this.arr, this.head, ts, 0, this.tail - this.head); + } + return Arrays.asList(ts); + } + + } + + public static void info(String format) { + offer(NewsLevel.INFO, format, null); + } + + public static void info(String format, Object argument) { + offer(NewsLevel.INFO, format, new Object[]{argument}); + } + + public static void info(String format, Object... arguments) { + offer(NewsLevel.INFO, format, arguments); + } + + public static void warn(String format, Object... arguments) { + offer(NewsLevel.WARN, format, arguments); + } + + public static void error(String format, Object... arguments) { + offer(NewsLevel.ERROR, format, arguments); + } + + private static boolean offer(NewsLevel level, String msg, Object[] args) { + return NEWS_QUEUE.offer(new NewsDomain(level, msg, new Date())); + } + + static class NewsDomain { + public NewsLevel level; + public String content; + public Date date; + + public NewsDomain(NewsLevel level, String content, Date date) { + this.level = level; + this.content = content; + this.date = date; + } + } + + enum NewsLevel { + INFO, + WARN, + ERROR, + ; + } } -- Gitblit v1.9.1