Improve performance of JdkDynamicAopProxy.getProxy()

spring-aop/src/main/java/org/springframework/aop/framework/JdkDynamicAopProxy.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -57,6 +57,7 @@ import org.springframework.util.ClassUtils;
  * @author Juergen Hoeller
  * @author Rob Harrop
  * @author Dave Syer
+ * @author Sergey Tsypanov
  * @see java.lang.reflect.Proxy
  * @see AdvisedSupport
  * @see ProxyFactory
@@ -82,6 +83,8 @@ final class JdkDynamicAopProxy implements AopProxy, InvocationHandler, Serializa
 	/** Config used to configure this proxy. */
 	private final AdvisedSupport advised;
 
+	private final Class<?>[] proxiedInterfaces;
+
 	/**
 	 * Is the {@link #equals} method defined on the proxied interfaces?
 	 */
@@ -105,6 +108,8 @@ final class JdkDynamicAopProxy implements AopProxy, InvocationHandler, Serializa
 			throw new AopConfigException("No advisors and no TargetSource specified");
 		}
 		this.advised = config;
+		this.proxiedInterfaces = AopProxyUtils.completeProxiedInterfaces(this.advised, true);
+		findDefinedEqualsAndHashCodeMethods(this.proxiedInterfaces);
 	}
 
 
@@ -118,9 +123,7 @@ final class JdkDynamicAopProxy implements AopProxy, InvocationHandler, Serializa
 		if (logger.isTraceEnabled()) {
 			logger.trace("Creating JDK dynamic proxy: " + this.advised.getTargetSource());
 		}
-		Class<?>[] proxiedInterfaces = AopProxyUtils.completeProxiedInterfaces(this.advised, true);
-		findDefinedEqualsAndHashCodeMethods(proxiedInterfaces);
-		return Proxy.newProxyInstance(classLoader, proxiedInterfaces, this);
+		return Proxy.newProxyInstance(classLoader, this.proxiedInterfaces, this);
 	}
 
 	/**