enhancement #I49JP1 DataBus中SlotSize的大小不支持动态扩展，无法应对高并发下的流量突增

liteflow-core/src/main/java/com/yomahub/liteflow/entity/data/DataBus.java

@@ -15,9 +15,7 @@ import org.slf4j.LoggerFactory;
 
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentLinkedQueue;
-import java.util.concurrent.ConcurrentSkipListSet;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReferenceArray;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 

liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/resizeSlot/ResizeSlotSpringbootTest.java

@@ -1,6 +1,8 @@
 package com.yomahub.liteflow.test.resizeSlot;
 
+import cn.hutool.core.util.ReflectUtil;
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.entity.data.DataBus;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.test.BaseTest;
@@ -14,6 +16,7 @@ import org.springframework.test.context.TestPropertySource;
 import org.springframework.test.context.junit4.SpringRunner;
 
 import javax.annotation.Resource;
+import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.*;
@@ -39,7 +42,7 @@ public class ResizeSlotSpringbootTest extends BaseTest {
         ExecutorService pool = Executors.newCachedThreadPool();
 
         List<Future<LiteflowResponse<DefaultSlot>>> futureList = new ArrayList<>();
-        for (int i = 0; i < 500; i++) {
+        for (int i = 0; i < 100; i++) {
             Future<LiteflowResponse<DefaultSlot>> future = pool.submit(() -> flowExecutor.execute2Resp("chain1", "arg"));
             futureList.add(future);
         }
@@ -47,6 +50,12 @@ public class ResizeSlotSpringbootTest extends BaseTest {
         for(Future<LiteflowResponse<DefaultSlot>> future : futureList){
             Assert.assertTrue(future.get().isSuccess());
         }
-        System.out.println("success");
+
+        //取到static的对象QUEUE
+        Field field = ReflectUtil.getField(DataBus.class, "QUEUE");
+        ConcurrentLinkedQueue<Integer> queue = (ConcurrentLinkedQueue<Integer>) ReflectUtil.getStaticFieldValue(field);
+
+        //因为初始slotSize是4，按照0.75的扩容比，要满足100个线程，应该扩容6次，6次之后应该是扩容到114
+        Assert.assertEquals(queue.size(),114);
     }
 }