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1. Overview
This service shall be used to map the erstwhile Config-DB-like REST APIs to appropriate CPS API calls. The purpose of this service is to abstract the details of (possibly multiple, and complex) XPath queries from the users of CPS. It enables CPS-users to continue using simple REST API calls that are intuitive and easy-to-understand and implement. The mapping to appropriate queries to CPS (including mapping of one API call to many Xpath queries) shall be done in a generic way by the API Mapper service.
2. Architecture
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3. API definition guide
Template CRUD operations
Create xpath template
| Interface definition | Description |
|---|
| Content-Type | application/json |
| Operation | POST |
| URI | /api/v1/templates |
Request Body
| Attribute | Required | Type | Description |
|---|
| id | Y | String | Identifier for the template |
| schema-set | Y | String | schema set on which xpath query should be executed |
| template | Y | String | xpath template |
Response Codes
| Code | Description |
|---|
| 201 | Template created successfully |
| 400 | Bad Request (Error in request attributes) |
| 500 | Internal server error |
List all xpath template
| Interface definition | Description |
|---|
| Content-Type | application/json |
| Operation | GET |
| URI | /api/v1/templates |
Response Codes
| Code | Description |
|---|
| 200 | Templates returned successfully |
| 404 | No templates found |
| 500 | Internal server error |
Response Body
| Attribute | Required | Type | Description |
|---|
| templates | Y | List | List of template objects |
Template Object
| Attribute | Required | Type | Description |
|---|
| id | Y | String | Identifier for the template |
| schema-set | Y | String | schema set on which xpath query should be executed |
| template | Y | String | xpath template |
Get a xpath template by id
| Interface definition | Description |
|---|
| Content-Type | application/json |
| Operation | GET |
| URI | /api/v1/templates/{schema-set}/{id} |
Response Codes
| Code | Description |
|---|
| 200 | Template found and returned |
| 404 | Template not found |
| 500 | Internal server error |
Response Body
Same as template Object
Delete xpath template
| Interface definition | Description |
|---|
| Content-Type | application/json |
| Operation | DELETE |
| URI | /api/v1/templates/{schema-set}/{id} |
Response Codes
| Code | Description |
|---|
| 200 | Template deleted successfully |
| 400 | Bad Request (Error in request attributes) |
| 500 | Internal server error |
Execute template
| Interface definition | Description |
|---|
| Content-Type | application/json |
| Operation | POST |
| URI | /api/v1/execute/{schema-set}/{id} |
Request Body
| Attribute | Required | Type | Description |
|---|
| Input | Y | JSON blob | Input dictionary to be applied to the template |
Response Codes
| Code | Description |
|---|
| 200 | Template executed successfully |
| 400 | Bad Request (Error in request attributes) |
| 500 | Internal server error |
Response Body
| Attribute | Required | Type | Description |
|---|
| result | Y | JSON Blob | Result of the xpath query as JSON object |
4. Dependencies
5. Deployment aspects
To be updated
