From a470aa89cbdabba813636b8a29be8ae3836c03a0 Mon Sep 17 00:00:00 2001
From: Marc Pervaz Boocha <marcpervaz@qburst.com>
Date: Fri, 21 Feb 2025 18:24:35 +0530
Subject: Added LTR Eviction

---
 internal/pausedtimer/timer.go | 54 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 internal/pausedtimer/timer.go

(limited to 'internal/pausedtimer/timer.go')

diff --git a/internal/pausedtimer/timer.go b/internal/pausedtimer/timer.go
new file mode 100644
index 0000000..691c257
--- /dev/null
+++ b/internal/pausedtimer/timer.go
@@ -0,0 +1,54 @@
+package pausedtimer
+
+import (
+	"math"
+	"time"
+)
+
+// PauseTimer is a struct that wraps a time.Ticker and provides additional functionality
+// to pause and resume the ticker.
+// If the duration is 0, the timer is created in a stopped state.
+type PauseTimer struct {
+	*time.Ticker
+	duration time.Duration
+}
+
+// New creates a new pauseTimer with the specified duration.
+func New(d time.Duration) *PauseTimer {
+	ret := &PauseTimer{duration: d}
+	if d != 0 {
+		ret.Ticker = time.NewTicker(d)
+	} else {
+		ret.Ticker = time.NewTicker(math.MaxInt64)
+		ret.Reset(0)
+	}
+	return ret
+}
+
+// NewStopped creates a new pauseTimer with the specified duration and stops it immediately.
+func NewStopped(d time.Duration) *PauseTimer {
+	ret := New(d)
+	ret.Stop()
+	return ret
+}
+
+// Reset sets the timer to the specified duration and starts it.
+// If the duration is 0, the timer is stopped.
+func (t *PauseTimer) Reset(d time.Duration) {
+	t.duration = d
+	if t.duration == 0 {
+		t.Stop()
+	} else {
+		t.Ticker.Reset(d)
+	}
+}
+
+// Resume resumes the timer with its last set duration.
+func (t *PauseTimer) Resume() {
+	t.Reset(t.GetDuration())
+}
+
+// GetDuration returns the current duration of the timer.
+func (t *PauseTimer) GetDuration() time.Duration {
+	return t.duration
+}
-- 
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