Add a tripartite framework thread pool adaptation skeleton

hippo4j-adapter/hippo4j-adapter-base/src/main/java/cn/hippo4j/adapter/base/ThreadPoolAdapter.java

@@ -0,0 +1,47 @@
+/*
+ * 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.adapter.base;
+
+/**
+ * Adapt to the thread pool of the third-party framework.
+ */
+public interface ThreadPoolAdapter {
+
+    /**
+     * Framework thread pool identification.
+     *
+     * @return
+     */
+    String mark();
+
+    /**
+     * Get the core parameters of the framework thread pool.
+     *
+     * @return
+     */
+    ThreadPoolAdapterState getThreadPoolStateInfo();
+
+    /**
+     * Modify the core parameters of the framework thread pool.
+     *
+     * @param mark                       {@link ThreadPoolAdapter#mark}
+     * @param threadPoolAdapterParameter Thread pool parameters to be modified
+     * @return
+     */
+    boolean updateThreadPool(String mark, ThreadPoolAdapterParameter threadPoolAdapterParameter);
+}

hippo4j-adapter/hippo4j-adapter-base/src/main/java/cn/hippo4j/adapter/base/ThreadPoolAdapterParameter.java

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+package cn.hippo4j.adapter.base;
+
+import lombok.Data;
+
+/**
+ * Thread pool adapter parameter info.
+ */
+@Data
+public class ThreadPoolAdapterParameter {
+
+    /**
+     * Core size.
+     */
+    private Integer coreSize;
+
+    /**
+     * Maximum size.
+     */
+    private Integer maximumSize;
+}

hippo4j-adapter/hippo4j-adapter-base/src/main/java/cn/hippo4j/adapter/base/ThreadPoolAdapterState.java

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+package cn.hippo4j.adapter.base;
+
+import lombok.Data;
+
+/**
+ * Thread pool adapter state info.
+ */
+@Data
+public class ThreadPoolAdapterState {
+
+    /**
+     * Core size.
+     */
+    private Integer coreSize;
+
+    /**
+     * Maximum size.
+     */
+    private Integer maximumSize;
+}