optimize code

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/concurrent/executor/MetadataExecutor.java

@@ -22,6 +22,7 @@ import java.util.Objects;
 import java.util.concurrent.Executor;
 
 import com.alibaba.ttl.threadpool.TtlExecutors;
+import com.alibaba.ttl.threadpool.agent.TtlAgent;
 import com.tencent.cloud.common.metadata.MetadataContext;
 import com.tencent.cloud.metadata.concurrent.MetadataWrap;
 
@@ -38,8 +39,13 @@ class MetadataExecutor implements Executor, MetadataWrap<Executor> {
 
 	private final Executor delegate;
 
-	MetadataExecutor(Executor delegate) {
-		this.delegate = TtlExecutors.getTtlExecutor(delegate);
+	MetadataExecutor(@NonNull Executor delegate) {
+		if (TtlAgent.isTtlAgentLoaded() || TtlExecutors.isTtlWrapper(delegate)) {
+			this.delegate = delegate;
+		}
+		else {
+			this.delegate = TtlExecutors.getTtlExecutor(delegate);
+		}
 	}
 
 	@Override

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/concurrent/executor/MetadataExecutorService.java

@@ -29,6 +29,7 @@ import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 
 import com.alibaba.ttl.threadpool.TtlExecutors;
+import com.alibaba.ttl.threadpool.agent.TtlAgent;
 import com.tencent.cloud.common.metadata.MetadataContext;
 
 import org.springframework.lang.NonNull;
@@ -44,9 +45,14 @@ class MetadataExecutorService extends MetadataExecutor implements ExecutorServic
 
 	private final ExecutorService delegate;
 
-	MetadataExecutorService(ExecutorService delegate) {
+	MetadataExecutorService(@NonNull ExecutorService delegate) {
 		super(delegate);
-		this.delegate = TtlExecutors.getTtlExecutorService(delegate);
+		if (TtlAgent.isTtlAgentLoaded() || TtlExecutors.isTtlWrapper(delegate)) {
+			this.delegate = delegate;
+		}
+		else {
+			this.delegate = TtlExecutors.getTtlExecutorService(delegate);
+		}
 	}
 
 	@Override

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/concurrent/executor/MetadataScheduledExecutorService.java

@@ -25,6 +25,7 @@ import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.TimeUnit;
 
 import com.alibaba.ttl.threadpool.TtlExecutors;
+import com.alibaba.ttl.threadpool.agent.TtlAgent;
 import com.tencent.cloud.common.metadata.MetadataContext;
 
 import org.springframework.lang.NonNull;
@@ -41,9 +42,14 @@ class MetadataScheduledExecutorService extends MetadataExecutorService
 
 	private final ScheduledExecutorService delegate;
 
-	MetadataScheduledExecutorService(ScheduledExecutorService delegate) {
+	MetadataScheduledExecutorService(@NonNull ScheduledExecutorService delegate) {
 		super(delegate);
-		this.delegate = TtlExecutors.getTtlScheduledExecutorService(delegate);
+		if (TtlAgent.isTtlAgentLoaded() || TtlExecutors.isTtlWrapper(delegate)) {
+			this.delegate = delegate;
+		}
+		else {
+			this.delegate = TtlExecutors.getTtlScheduledExecutorService(delegate);
+		}
 	}
 
 	@Override