update sa-token-core/src/main/java/cn/dev33/satoken/session/SaSession.java.

sa-token-core/src/main/java/cn/dev33/satoken/session/SaSession.java

@@ -1,5 +1,7 @@
 package cn.dev33.satoken.session;
 
+import cn.dev33.satoken.SaTokenManager;
+
 import java.io.Serializable;
 import java.util.List;
 import java.util.Map;
@@ -7,8 +9,6 @@ import java.util.Set;
 import java.util.Vector;
 import java.util.concurrent.ConcurrentHashMap;
 
-import cn.dev33.satoken.SaTokenManager;
-
 /**
  * Session Model
  *
@@ -26,7 +26,7 @@ public class SaSession implements Serializable {
 	private long createTime;
 
 	/** 此Session的所有挂载数据 */
-	private Map<String, Object> dataMap = new ConcurrentHashMap<String, Object>();
+	private final Map<String, Object> dataMap = new ConcurrentHashMap<>();
 
 	// ----------------------- 构建相关
 
@@ -87,7 +87,7 @@ public class SaSession implements Serializable {
 	/**
 	 * 此Session绑定的token签名列表
 	 */
-	private List<TokenSign> tokenSignList = new Vector<TokenSign>();
+	private final List<TokenSign> tokenSignList = new Vector<>();
 
 	/**
 	 * 返回token签名列表的拷贝副本
@@ -119,15 +119,17 @@ public class SaSession implements Serializable {
 	 * @param tokenSign token签名
 	 */
 	public void addTokenSign(TokenSign tokenSign) {
+		// 判断是否存在列表
+		boolean tokenExits = this.getTokenSignList()
+				.stream()
+				.map(TokenSign::getValue)
+				.anyMatch(it -> it.equals(tokenSign.getValue()));
 		// 如果已经存在于列表中，则无需再次添加
-		for (TokenSign tokenSign2 : getTokenSignList()) {
-			if (tokenSign2.getValue().equals(tokenSign.getValue())) {
-				return;
-			}
+		if (tokenExits == false) {
+			// 添加并更新
+			tokenSignList.add(tokenSign);
+			update();
 		}
-		// 添加并更新
-		tokenSignList.add(tokenSign);
-		update();
 	}
 
 	/**
@@ -205,7 +207,7 @@ public class SaSession implements Serializable {
 	 * @return 是否含有
 	 */
 	public boolean containsAttribute(String key) {
-		return dataMap.keySet().contains(key);
+		return dataMap.containsKey(key);
 	}
 
 	/**