Merge pull request #35 from tangj1992/patch-1

修改单例获取工厂

Merge pull request #35 from tangj1992/patch-1
修改单例获取工厂
2a2a1d99 · Guide哥 · GitHub · 45a23896 · 52c5a4f7 · 2a2a1d99
隐藏空白更改
内联并排

Showing with 4 addition and 1 deletion

rpc-framework-common/src/main/java/github/javaguide/factory/SingletonFactory.java .../main/java/github/javaguide/factory/SingletonFactory.java +4 -1

未找到文件。
--- a/rpc-framework-common/src/main/java/github/javaguide/factory/SingletonFactory.java
+++ b/rpc-framework-common/src/main/java/github/javaguide/factory/SingletonFactory.java
@@ -18,7 +18,10 @@ public final class SingletonFactory {

    public static <T> T getInstance(Class<T> c) {
        String key = c.toString();
-        Object instance;
+        Object instance = OBJECT_MAP.get(key);
+        if (instance != null){
+            return c.cast(instance);
+        }
        synchronized (SingletonFactory.class) {
            instance = OBJECT_MAP.get(key);
            if (instance == null) {