sonar fix

src/main/java/cn/quantgroup/xyqb/risk/uereventcollecting/KinesisProducerClientFactory.java

@@ -15,23 +15,15 @@ public class KinesisProducerClientFactory {
 	private KinesisProducerClientFactory() {
 	}
 
-    private static KinesisProducerClient client;
+	private static class KinesisProducerClientHolder {
+		private static final KinesisProducerClient client = new KinesisProducerClient(getConfig());
 
-    public static KinesisProducerClient getClient() {
-        if (null == client) {
-            synchronized (KinesisProducerClient.class) {
-                if (null == client) {
-                    client = new KinesisProducerClient(getConfig());
-                }
-            }
+		private static EnvironmentConfig getConfig() {
+			return TechEnvironment.isPro() ? EnvironmentConfig.PROD : EnvironmentConfig.DEV;
 		}
-        return client;
 	}
 
-    private static EnvironmentConfig getConfig() {
-        if (!TechEnvironment.isPro()) {
-            return EnvironmentConfig.DEV;
-        }
-        return EnvironmentConfig.PROD;
+	public static KinesisProducerClient getClient() {
+		return KinesisProducerClientHolder.client;
 	}
 }
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