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Dubbo3 合并结果拓展

扩展说明

合并返回结果，用于分组聚合。

扩展接口

org.apache.dubbo.rpc.cluster.Merger

扩展配置

<dubbo:method merger="xxx" />

已知扩展

org.apache.dubbo.rpc.cluster.merger.ArrayMerger
org.apache.dubbo.rpc.cluster.merger.ListMerger
org.apache.dubbo.rpc.cluster.merger.SetMerger
org.apache.dubbo.rpc.cluster.merger.MapMerger
org.apache.dubbo.rpc.cluster.merger.ByteArrayMerger
org.apache.dubbo.rpc.cluster.merger.CharArrayMerger
org.apache.dubbo.rpc.cluster.merger.ShortArrayMerger
org.apache.dubbo.rpc.cluster.merger.IntArrayMerger
org.apache.dubbo.rpc.cluster.merger.LongArrayMerger
org.apache.dubbo.rpc.cluster.merger.FloatArrayMerger
org.apache.dubbo.rpc.cluster.merger.DoubleArrayMerger
org.apache.dubbo.rpc.cluster.merger.BooleanArrayMerger

扩展示例

Maven 项目结构：

src
 |-main
    |-java
        |-com
            |-xxx
                |-XxxMerger.java (实现Merger接口)
    |-resources
        |-META-INF
            |-dubbo
                |-org.apache.dubbo.rpc.cluster.Merger (纯文本文件，内容为：xxx=com.xxx.XxxMerger)

XxxMerger.java：

package com.xxx;
 
import org.apache.dubbo.rpc.cluster.Merger;
 
public class XxxMerger<T> implements Merger<T> {
    public T merge(T... results) {
        // ...
    }
}

META-INF/dubbo/org.apache.dubbo.rpc.cluster.Merger：

xxx=com.xxx.XxxMerger

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