From 17e397212db5394a7fe004c9dc872769c393cfe0 Mon Sep 17 00:00:00 2001
From: Joe Atkins <atreides322@mac.com>
Date: Wed, 14 Sep 2016 21:51:48 -0500
Subject: [PATCH] Fix MongoExpiringSession.isExpired interval < 0

Verify that interval is non-negative, as negative values for
maxInactiveInterval disables expiration.

Issue gh-629
---
 .../session/data/mongo/MongoExpiringSession.java                | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-session/src/main/java/org/springframework/session/data/mongo/MongoExpiringSession.java b/spring-session/src/main/java/org/springframework/session/data/mongo/MongoExpiringSession.java
index 57945a1..6fcc22b 100644
--- a/spring-session/src/main/java/org/springframework/session/data/mongo/MongoExpiringSession.java
+++ b/spring-session/src/main/java/org/springframework/session/data/mongo/MongoExpiringSession.java
@@ -116,7 +116,7 @@ public class MongoExpiringSession implements ExpiringSession {
 	}
 
 	public boolean isExpired() {
-		return new Date().after(this.expireAt);
+		return this.interval >= 0 && new Date().after(this.expireAt);
 	}
 
 	public Date getExpireAt() {