hasRecordForId (modelName, inputId) Boolean
Returns true if a record for a given type and ID is already loaded.
Parameters:
- 
modelName 
(String|DS.Model) - 
inputId 
(String|Integer) 
Returns:
- 
Boolean 
hasRecordForId (modelName, inputId) Boolean
Returns true if a record for a given type and ID is already loaded.
(String|DS.Model)
(String|Integer)
Boolean 
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