fix: https://github.com/baomidou/mybatis-plus/issues/3038

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/InjectorResolver.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2011-2020, baomidou (jobob@qq.com).
+ * <p>
+ * Licensed 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
+ * <p>
+ * https://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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 com.baomidou.mybatisplus.core;
+
+import org.apache.ibatis.builder.annotation.MethodResolver;
+
+/**
+ * 继承 {@link MethodResolver}
+ *
+ * @author miemie
+ * @since 2019-01-05
+ */
+public class InjectorResolver extends MethodResolver {
+
+    private final MybatisMapperAnnotationBuilder annotationBuilder;
+
+    public InjectorResolver(MybatisMapperAnnotationBuilder annotationBuilder) {
+        super(annotationBuilder, null);
+        this.annotationBuilder = annotationBuilder;
+    }
+
+    @Override
+    public void resolve() {
+        annotationBuilder.parserInjector();
+    }
+}

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/MybatisMapperAnnotationBuilder.java

@@ -117,13 +117,22 @@ public class MybatisMapperAnnotationBuilder extends MapperAnnotationBuilder {
                 }
             }
             // TODO 注入 CURD 动态 SQL , 放在在最后, because 可能会有人会用注解重写sql
-            if (GlobalConfigUtils.isSupperMapperChildren(configuration, type)) {
+            try {
-                GlobalConfigUtils.getSqlInjector(configuration).inspectInject(assistant, type);
+                // https://github.com/baomidou/mybatis-plus/issues/3038
+                if (GlobalConfigUtils.isSupperMapperChildren(configuration, type)) {
+                    parserInjector();
+                }
+            } catch (IncompleteElementException e) {
+                configuration.addIncompleteMethod(new InjectorResolver(this));
             }
         }
         parsePendingMethods();
     }
 
+    void parserInjector() {
+        GlobalConfigUtils.getSqlInjector(configuration).inspectInject(assistant, type);
+    }
+
     private boolean canHaveStatement(Method method) {
         // issue #237
         return !method.isBridge() && !method.isDefault();

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/MybatisMethodResolver.java

@@ -15,7 +15,6 @@
  */
 package com.baomidou.mybatisplus.core;
 
-import org.apache.ibatis.builder.annotation.MapperAnnotationBuilder;
 import org.apache.ibatis.builder.annotation.MethodResolver;
 
 import java.lang.reflect.Method;
@@ -31,9 +30,9 @@ public class MybatisMethodResolver extends MethodResolver {
     private final MybatisMapperAnnotationBuilder annotationBuilder;
     private final Method method;
 
-    public MybatisMethodResolver(MapperAnnotationBuilder annotationBuilder, Method method) {
+    public MybatisMethodResolver(MybatisMapperAnnotationBuilder annotationBuilder, Method method) {
         super(annotationBuilder, method);
-        this.annotationBuilder = (MybatisMapperAnnotationBuilder) annotationBuilder;
+        this.annotationBuilder = annotationBuilder;
         this.method = method;
     }
 

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/injector/AbstractMethod.java

@@ -45,6 +45,7 @@ import static java.util.stream.Collectors.joining;
  * @author hubin
  * @since 2018-04-06
  */
+@SuppressWarnings("serial")
 public abstract class AbstractMethod implements Constants {
     protected static final Log logger = LogFactory.getLog(AbstractMethod.class);
 

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/injector/methods/Insert.java

@@ -34,7 +34,7 @@ import org.apache.ibatis.mapping.SqlSource;
  * @author hubin
  * @since 2018-04-06
  */
-@SuppressWarnings("all")
+@SuppressWarnings("serial")
 public class Insert extends AbstractMethod {
 
     @Override

mybatis-plus-core/src/test/java/com/baomidou/mybatisplus/core/MybatisMapperAnnotationBuilderTest.java

@@ -0,0 +1,46 @@
+package com.baomidou.mybatisplus.core;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import org.apache.ibatis.annotations.CacheNamespace;
+import org.apache.ibatis.annotations.CacheNamespaceRef;
+import org.junit.jupiter.api.Test;
+
+/**
+ * @author miemie
+ * @since 2020-11-07
+ */
+class MybatisMapperAnnotationBuilderTest {
+
+    @Test
+    void parse() {
+        MybatisConfiguration configuration = new MybatisConfiguration();
+        MybatisMapperAnnotationBuilder a = new MybatisMapperAnnotationBuilder(configuration, AMapper.class);
+        a.parse();
+        MybatisMapperAnnotationBuilder b = new MybatisMapperAnnotationBuilder(configuration, BMapper.class);
+        b.parse();
+        configuration.getMappedStatement(AMapper.class.getName() + ".insert");
+    }
+
+    @CacheNamespaceRef(BMapper.class)
+    interface AMapper extends BaseMapper<A> {
+
+    }
+
+    @CacheNamespace
+    interface BMapper extends BaseMapper<B> {
+
+    }
+
+    @Data
+    private static class A {
+        private Long id;
+    }
+
+    @Data
+    @EqualsAndHashCode(callSuper = true)
+    private static class B extends A {
+
+    }
+}