rdb同步适配多数据源

client-adapter/common/src/main/java/com/alibaba/otter/canal/client/adapter/support/CanalClientConfig.java

@@ -1,7 +1,9 @@
 package com.alibaba.otter.canal.client.adapter.support;
 
 import java.util.ArrayList;
+import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 /**
  * 配置信息类
@@ -129,7 +131,9 @@ public class CanalClientConfig {
 
     public static class Group {
 
-        private List<OuterAdapterConfig> outAdapters; // 适配器列表
+        private List<OuterAdapterConfig>        outAdapters;                           // 适配器列表
+
+        private Map<String, OuterAdapterConfig> outAdaptersMap = new LinkedHashMap<>();
 
         public List<OuterAdapterConfig> getOutAdapters() {
             return outAdapters;
@@ -137,6 +141,17 @@ public class CanalClientConfig {
 
         public void setOutAdapters(List<OuterAdapterConfig> outAdapters) {
             this.outAdapters = outAdapters;
+            if (outAdapters != null) {
+                outAdapters.forEach(outAdapter -> outAdaptersMap.put(outAdapter.getKey(), outAdapter));
+            }
+        }
+
+        public Map<String, OuterAdapterConfig> getOutAdaptersMap() {
+            return outAdaptersMap;
+        }
+
+        public void setOutAdaptersMap(Map<String, OuterAdapterConfig> outAdaptersMap) {
+            this.outAdaptersMap = outAdaptersMap;
         }
     }
 

client-adapter/common/src/main/java/com/alibaba/otter/canal/client/adapter/support/ExtensionLoader.java

@@ -148,6 +148,22 @@ public class ExtensionLoader<T> {
         }
     }
 
+    @SuppressWarnings("unchecked")
+    public T newInstance(String name) {
+        Class<?> clazz = getExtensionClasses().get(name);
+        if (clazz == null) {
+            throw new IllegalStateException("Extension instance(name: " + name + ", class: " + type
+                                            + ")  could not be instantiated: class could not be found");
+        }
+        try {
+            return (T) clazz.newInstance();
+        } catch (Throwable t) {
+            throw new IllegalStateException("Extension instance(name: " + name + ", class: " + type
+                                            + ")  could not be instantiated: " + t.getMessage(),
+                t);
+        }
+    }
+
     private Map<String, Class<?>> getExtensionClasses() {
         Map<String, Class<?>> classes = cachedClasses.get();
         if (classes == null) {

client-adapter/common/src/main/java/com/alibaba/otter/canal/client/adapter/support/OuterAdapterConfig.java

@@ -12,6 +12,8 @@ public class OuterAdapterConfig {
 
     private String              name;       // 适配器名称, 如: logger, hbase, es
 
+    private String              key;        // 适配器唯一键
+
     private String              hosts;      // 适配器内部的地址, 比如对应es该参数可以填写es的server地址
 
     private String              zkHosts;    // 适配器内部的ZK地址, 比如对应HBase该参数可以填写HBase对应的ZK地址
@@ -26,6 +28,14 @@ public class OuterAdapterConfig {
         this.name = name;
     }
 
+    public String getKey() {
+        return key;
+    }
+
+    public void setKey(String key) {
+        this.key = key;
+    }
+
     public String getHosts() {
         return hosts;
     }