Merge branch '1.4.3-upgrade' into develop

# Conflicts:
#	hippo4j-common/src/main/java/cn/hippo4j/common/toolkit/ReflectUtil.java
#	hippo4j-core/src/main/java/cn/hippo4j/core/executor/support/adpter/DynamicThreadPoolAdapterChoose.java

hippo4j-common/src/main/java/cn/hippo4j/common/toolkit/ReflectUtil.java

@@ -147,8 +147,8 @@ public class ReflectUtil {
     }
 
     /**
-     * find the method associated with the method name<br>
+     * Find the method associated with the method name<br>
-     * if find multiple, return the first, parameter is equivocal
+     * if find multiple, return the first, parameter is equivocal.
      *
      * @param clazz      the class
      * @param methodName retrieves the method name
@@ -170,7 +170,7 @@ public class ReflectUtil {
     }
 
     /**
-     * find the method associated with the method name
+     * Find the method associated with the method name.
      *
      * @param clazz      the class
      * @param methodName retrieves the method name
@@ -190,7 +190,7 @@ public class ReflectUtil {
 
     /**
      * Cast the value to the type <br>
-     * If a ClassCastException occurs, return null
+     * If a ClassCastException occurs, return null.
      *
      * @param clazz Cast class
      * @param value The cast value
@@ -205,7 +205,7 @@ public class ReflectUtil {
     }
 
     /**
-     * the default value is obtained if it is a primitive type, and NULL if it is not
+     * The default value is obtained if it is a primitive type, and NULL if it is not.
      *
      * @param clazz clazz
      * @return default value
@@ -235,7 +235,7 @@ public class ReflectUtil {
     }
 
     /**
-     * invoke
+     * Invoke.
      *
      * @param obj       the obj
      * @param method    the method
@@ -252,7 +252,7 @@ public class ReflectUtil {
     }
 
     /**
-     * get instance
+     * Get instance.
      *
      * @param cls the class
      * @return new Instance
@@ -266,7 +266,7 @@ public class ReflectUtil {
     }
 
     /**
-     * Find field by fieldName and fieldType
+     * Find field by fieldName and field-type.
      *
      * @param obj       target obj
      * @param filedName filedName

hippo4j-core/src/main/java/cn/hippo4j/core/executor/support/adpter/DynamicThreadPoolAdapterChoose.java

@@ -17,9 +17,13 @@
 
 package cn.hippo4j.core.executor.support.adpter;
 
+import cn.hippo4j.common.spi.DynamicThreadPoolServiceLoader;
+import cn.hippo4j.common.toolkit.CollectionUtil;
 import cn.hippo4j.core.executor.DynamicThreadPoolExecutor;
+import cn.hippo4j.core.executor.support.spi.DynamicThreadPoolAdapterSPI;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.Executor;
@@ -36,6 +40,7 @@ public class DynamicThreadPoolAdapterChoose {
         DYNAMIC_THREAD_POOL_ADAPTERS.add(new TransmittableThreadLocalExecutorServiceAdapter());
         DYNAMIC_THREAD_POOL_ADAPTERS.add(new ThreadPoolTaskExecutorAdapter());
         DYNAMIC_THREAD_POOL_ADAPTERS.add(new ZipkinExecutorAdapter());
+        loadCustomerAdapter();
     }
 
     /**
@@ -75,4 +80,21 @@ public class DynamicThreadPoolAdapterChoose {
             dynamicThreadPoolAdapterOptional.get().replace(executor, dynamicThreadPoolExecutor);
         }
     }
+
+    /**
+     * Load SPI customer adapter.
+     */
+    private static void loadCustomerAdapter() {
+        DynamicThreadPoolServiceLoader.register(DynamicThreadPoolAdapterSPI.class);
+        Collection<DynamicThreadPoolAdapterSPI> instances = DynamicThreadPoolServiceLoader.getSingletonServiceInstances(DynamicThreadPoolAdapterSPI.class);
+        if (CollectionUtil.isEmpty(instances)) {
+            return;
+        }
+        for (DynamicThreadPoolAdapterSPI instance : instances) {
+            DynamicThreadPoolAdapter adapter = instance.adapter();
+            if (adapter != null) {
+                DYNAMIC_THREAD_POOL_ADAPTERS.add(adapter);
+            }
+        }
+    }
 }

hippo4j-core/src/main/java/cn/hippo4j/core/executor/support/spi/DynamicThreadPoolAdapterSPI.java

@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cn.hippo4j.core.executor.support.spi;
+
+import cn.hippo4j.core.executor.support.adpter.DynamicThreadPoolAdapter;
+
+/**
+ * Dynamic thread-pool adapter SPI.
+ */
+public interface DynamicThreadPoolAdapterSPI {
+
+    /**
+     * Name.
+     */
+    String name();
+
+    /**
+     * Adapter.
+     */
+    DynamicThreadPoolAdapter adapter();
+}