添加示例项目中自定义拒绝策略 SPI 实现. (#61)

hippo4j-example/src/main/java/cn/hippo4j/example/handler/ErrorLogRejectedExecutionHandler.java

@@ -0,0 +1,38 @@
+package cn.hippo4j.example.handler;
+
+import cn.hippo4j.starter.spi.CustomRejectedExecutionHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.RejectedExecutionHandler;
+import java.util.concurrent.ThreadPoolExecutor;
+
+/**
+ * 自定义拒绝策略.
+ *
+ * @author chen.ma
+ * @date 2022/1/4 22:19
+ */
+public class ErrorLogRejectedExecutionHandler implements CustomRejectedExecutionHandler {
+
+    @Override
+    public Integer getType() {
+        return 12;
+    }
+
+    @Override
+    public RejectedExecutionHandler generateRejected() {
+        return new CustomErrorLogRejectedExecutionHandler();
+    }
+
+    public static class CustomErrorLogRejectedExecutionHandler implements RejectedExecutionHandler {
+
+        @Override
+        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor) {
+            Logger logger = LoggerFactory.getLogger(this.getClass());
+            logger.error("线程池抛出拒绝策略.");
+        }
+
+    }
+
+}

hippo4j-example/src/main/resources/META-INF/services/cn.hippo4j.starter.spi.CustomRejectedExecutionHandler

@@ -0,0 +1 @@
+cn.hippo4j.example.handler.ErrorLogRejectedExecutionHandler