[GitHub] [dubbo] xul0038 commented on issue #5122: 关于启动时MapTypeBuilder写死判断参数长度为2的问题

[GitBox <gi...@apache.org>]

xul0038 commented on issue #5122:
URL: https://github.com/apache/dubbo/issues/5122#issuecomment-888736584


   1.创建自定义TypeBuilder
   ```
   package com.xxx.dubbo.TreeBuilder;
   
   public class TreeBuilder implements TypeBuilder , Prioritized {
   
       @Override
       public boolean accept(Type type, Class<?> clazz) {
           if (clazz == null) {
               return false;
           }
           return Tree.class.isAssignableFrom(clazz);
       }
   
       @Override
       public int getPriority() {
           return -1;
       }
   
       @Override
       public TypeDefinition build(Type type, Class<?> clazz, Map<Class<?>, TypeDefinition> typeCache) {
           // balabala...
       }
   }
   ```
   2. `META-INF`下创建`dubbo/internal/org.apache.dubbo.metadata.definition.builder.TypeBuilder`文件
   ```
   tree=com.xxx.dubbo.TreeBuilder
   ```
   #6306


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