1 files changed, 94 insertions, 0 deletions
diff --git a/examples/eviction_policy_persistant/main.go b/examples/eviction_policy_persistant/main.go
new file mode 100644
index 0000000..fc7cc32
--- /dev/null
+++ b/examples/eviction_policy_persistant/main.go
@@ -0,0 +1,94 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/marcthe12/cache"
+)
+
+func main() {
+	// Create an in-memory cache with LRU eviction policy
+	db, err := cache.Open[int, int](
+		"cache.db",
+		cache.WithPolicy(cache.PolicyLRU),
+		cache.WithMaxCost(20),
+		cache.SetCleanupTime(1*time.Second),
+	)
+	if err != nil {
+		fmt.Println("Error:", err)
+		os.Exit(1)
+	}
+
+	defer func() {
+		err := db.Close()
+		if err != nil {
+			fmt.Println("Error:", err)
+		}
+	}()
+
+	fmt.Println("Loaded Cache")
+	// Check which keys are present
+	for n := range 4 {
+		key := n + 1
+		value, _, err := db.GetValue(key)
+
+		if err != nil {
+			fmt.Printf("Key %d not found\n", key)
+		} else {
+			fmt.Printf("Key %d found with value: %d\n", key, value)
+		}
+	}
+
+	fmt.Println("Set Values")
+	// Set values
+	if err := db.Set(1, -1, 10*time.Second); err != nil {
+		fmt.Println("Error:", err)
+		os.Exit(1)
+	}
+
+	if err := db.Set(2, -2, 10*time.Second); err != nil {
+		fmt.Println("Error:", err)
+		os.Exit(1)
+	}
+
+	if err := db.Set(3, -3, 10*time.Second); err != nil {
+		fmt.Println("Error:", err)
+		os.Exit(1)
+	}
+
+	// Access some keys
+	if _, _, err := db.GetValue(1); err != nil {
+		fmt.Println("Error:", err)
+		os.Exit(1)
+	}
+
+	if _, _, err := db.GetValue(2); err != nil {
+		fmt.Println("Error:", err)
+		os.Exit(1)
+	}
+
+	fmt.Println("Add Key 4")
+	// Add another key to trigger eviction
+	if err := db.Set(4, -4, 0); err != nil {
+		fmt.Println("Error:", err)
+		os.Exit(1)
+	}
+
+	fmt.Println("Sleep")
+	time.Sleep(2 * time.Second)
+
+	fmt.Println("Resume")
+	// Check which keys are present
+	for n := range 4 {
+		key := n + 1
+		value, _, err := db.GetValue(key)
+
+		if err != nil {
+			fmt.Printf("Key %d not found\n", key)
+		} else {
+			fmt.Printf("Key %d found with value: %d\n", key, value)
+		}
+	}
+}