| Package | Description | 
|---|---|
| org.apache.ambari.server.configuration | |
| org.apache.ambari.server.topology.addservice | 
| Class and Description | 
|---|
| HostGroupStrategy
 Base interface for host group creation strategies 
 | 
| Class and Description | 
|---|
| AddServiceInfo
 Processed info for adding new services/components to an existing cluster. 
 | 
| AddServiceInfo.Builder | 
| AddServiceRequest
 Data object representing an add service request. 
 | 
| AddServiceRequest.OperationType | 
| AddServiceRequest.ValidationType | 
| Component | 
| Host | 
| HostGroupStrategy
 Base interface for host group creation strategies 
 | 
| LayoutRecommendationInfo
 Encapsulates information from layout recommendation that can be used or reused for config recommendation. 
 | 
| RequestValidator
 Validates a specific  
AddServiceRequest. | 
| Service | 
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