new HttpDataSource(jsonGraphUrl)
A HttpDataSource object is a DataSource can be used to retrieve data from a remote JSONGraph object using the browser's XMLHttpRequest.
Parameters:
| Name | Type | Description |
|---|---|---|
| jsonGraphUrl | the URL of the JSONGraph model. |
- Source:
- HttpDataSource.js, line 2
Example
var model = new falcor.Model({source: new falcor.HttpDataSource("http://netflix.com/user.json")});
var movieNames = model.get('genreLists[0...10][0...10].name').toPathValues();Extends
Methods
call(functionPath, args, refSuffixes, extraPaths) → {Observable.<JSONGraphEnvelope>}
Invokes a function in the DataSource's JSONGraph object.
Parameters:
| Name | Type | Description |
|---|---|---|
| functionPath | Path | the path to the function to invoke |
| args | Array.<Object> | the arguments to pass to the function |
| refSuffixes | Array.<PathSet> | paths to retrieve from the targets of JSONGraph References in the function's response. |
| extraPaths | Array.<PathSet> | additional paths to retrieve after successful function execution |
- Inherited From:
- DataSource#call
- Source:
- typedefs/DataSource.js, line 25
Returns:
jsonGraphEnvelope the response returned from the server.
- Return Type:
- Observable.<JSONGraphEnvelope>
get(pathSets) → {Observable.<JSONGraphEnvelope>}
The get method retrieves values from the DataSource's associated JSONGraph object.
Parameters:
| Name | Type | Description |
|---|---|---|
| pathSets | Array.<PathSet> | the path(s) to retrieve |
- Inherited From:
- DataSource#get
- Source:
- typedefs/DataSource.js, line 7
Returns:
jsonGraphEnvelope the response returned from the server.
- Return Type:
- Observable.<JSONGraphEnvelope>
set(jsonGraphEnvelope) → {Observable.<JSONGraphEnvelope>}
The set method accepts values to set in the DataSource's associated JSONGraph object.
Parameters:
| Name | Type | Description |
|---|---|---|
| jsonGraphEnvelope | JSONGraphEnvelope | a JSONGraphEnvelope containing values to set in the DataSource's associated JSONGraph object. |
- Inherited From:
- DataSource#set
- Source:
- typedefs/DataSource.js, line 16
Returns:
a JSONGraphEnvelope containing all of the requested values after the set operation.
- Return Type:
- Observable.<JSONGraphEnvelope>