Update

src/main/scala/io/izzel/taboolib/util/lite/cooldown/RealTime.java

@@ -0,0 +1,113 @@
+package io.izzel.taboolib.util.lite.cooldown;
+
+import java.util.Calendar;
+import java.util.function.Function;
+
+/**
+ * @Author sky
+ * @Since 2020-02-18 14:13
+ */
+public enum RealTime {
+
+    /**
+     * 周日开始，周六结束
+     */
+    START_IN_SUNDAY(r -> {
+        Calendar time = Calendar.getInstance();
+        switch (r.unit) {
+            case HOUR: {
+                // 重置日期
+                time.set(Calendar.MILLISECOND, 0);
+                time.set(Calendar.SECOND, 0);
+                time.set(Calendar.MINUTE, 0);
+                // 推进日期
+                time.add(Calendar.HOUR, r.value);
+                return time.getTimeInMillis();
+            }
+            case DAY: {
+                // 重置日期
+                time.set(Calendar.MILLISECOND, 0);
+                time.set(Calendar.SECOND, 0);
+                time.set(Calendar.MINUTE, 0);
+                time.set(Calendar.HOUR_OF_DAY, 0);
+                // 推进日期
+                time.add(Calendar.DAY_OF_YEAR, r.value);
+                return time.getTimeInMillis();
+            }
+            case WEEK: {
+                // 重置日期
+                time.set(Calendar.MILLISECOND, 0);
+                time.set(Calendar.SECOND, 0);
+                time.set(Calendar.MINUTE, 0);
+                time.set(Calendar.HOUR_OF_DAY, 0);
+                time.set(Calendar.DAY_OF_WEEK, 1);
+                // 推进日期
+                time.add(Calendar.WEEK_OF_YEAR, r.value);
+                return time.getTimeInMillis();
+            }
+        }
+        return 0L;
+    }),
+
+    /**
+     * 周一开始，周日结束
+     */
+    START_IN_MONDAY(r -> {
+        Calendar time = Calendar.getInstance();
+        switch (r.unit) {
+            case HOUR: {
+                // 同上处理
+                return START_IN_SUNDAY.next.apply(r);
+            }
+            case DAY: {
+                // 同上处理
+                return START_IN_SUNDAY.next.apply(r);
+            }
+            case WEEK: {
+                // 判断周日
+                if (time.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
+                    // 推进日
+                    time.add(Calendar.DAY_OF_YEAR, 1 + ((r.value - 1) * 7));
+                } else {
+                    // 推进周
+                    time.add(Calendar.WEEK_OF_YEAR, r.value);
+                    // 重置日
+                    time.set(Calendar.DAY_OF_WEEK, 2);
+                }
+                // 重置时
+                time.set(Calendar.HOUR_OF_DAY, 0);
+                // 重置分
+                time.set(Calendar.MINUTE, 0);
+                // 重置秒
+                time.set(Calendar.SECOND, 0);
+                return time.getTimeInMillis();
+            }
+        }
+        return 0L;
+    });
+
+    Function<In, Long> next;
+
+    RealTime(Function<In, Long> next) {
+        this.next = next;
+    }
+
+    /**
+     * 获取下一周期的起始时间
+     */
+    public long nextTime(RealTimeUnit unit, int value) {
+        return next.apply(new In(unit, value));
+    }
+
+    class In {
+
+        private RealTimeUnit unit;
+        private int value;
+
+        public In(RealTimeUnit unit, int value) {
+            this.unit = unit;
+            this.value = value;
+        }
+    }
+}
+

src/main/scala/io/izzel/taboolib/util/lite/cooldown/RealTimeUnit.java

@@ -0,0 +1,24 @@
+package io.izzel.taboolib.util.lite.cooldown;
+
+/**
+ * @Author sky
+ * @Since 2020-02-18 14:16
+ */
+public enum RealTimeUnit {
+
+    /**
+     * 以时为单位
+     */
+    HOUR,
+
+    /**
+     * 以日为单位
+     */
+    DAY,
+
+    /**
+     * 以周为单位
+     */
+    WEEK
+
+}