Polish apache#3296 : Merge and enhancement dubbo-registry-nacos

dubbo-registry/dubbo-registry-api/src/main/java/com/alibaba/dubbo/registry/support/DubboRegistration.java

@@ -0,0 +1,93 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.alibaba.dubbo.registry.support;
+
+import java.util.Map;
+
+/**
+ * Dubbo Registration
+ *
+ * @since 2.6.6
+ */
+class DubboRegistration implements Registration {
+
+    private String serviceName;
+
+    private String ip;
+
+    private int port;
+
+    private Map<String, String> metadata;
+
+    @Override
+    public String getServiceName() {
+        return serviceName;
+    }
+
+    public void setServiceName(String serviceName) {
+        this.serviceName = serviceName;
+    }
+
+    @Override
+    public String getIp() {
+        return ip;
+    }
+
+    public void setIp(String ip) {
+        this.ip = ip;
+    }
+
+    @Override
+    public int getPort() {
+        return port;
+    }
+
+    public void setPort(int port) {
+        this.port = port;
+    }
+
+    @Override
+    public Map<String, String> getMetadata() {
+        return metadata;
+    }
+
+    public void setMetadata(Map<String, String> metadata) {
+        this.metadata = metadata;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        DubboRegistration that = (DubboRegistration) o;
+
+        if (port != that.port) return false;
+        if (serviceName != null ? !serviceName.equals(that.serviceName) : that.serviceName != null) return false;
+        if (ip != null ? !ip.equals(that.ip) : that.ip != null) return false;
+        return metadata != null ? metadata.equals(that.metadata) : that.metadata == null;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = serviceName != null ? serviceName.hashCode() : 0;
+        result = 31 * result + (ip != null ? ip.hashCode() : 0);
+        result = 31 * result + port;
+        result = 31 * result + (metadata != null ? metadata.hashCode() : 0);
+        return result;
+    }
+}

dubbo-registry/dubbo-registry-api/src/main/java/com/alibaba/dubbo/registry/support/Registration.java

@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.alibaba.dubbo.registry.support;
+
+import java.util.Map;
+
+/**
+ * The Registration
+ *
+ * @since 2.6.6
+ */
+public interface Registration {
+
+    /**
+     * @return The service name
+     */
+    String getServiceName();
+
+    /**
+     * @return The IP address
+     */
+    String getIp();
+
+    /**
+     * @return The service port
+     */
+    int getPort();
+
+    /**
+     * @return The read-only metadata
+     */
+    Map<String, String> getMetadata();
+
+    @Override
+    boolean equals(Object o);
+
+    @Override
+    int hashCode();
+}