FnRef
The intrinsic function Ref
returns the value of the specified parameter or resource.
When you specify a parameter's logical name, it returns the value of the parameter. When you specify a resource's logical name, it returns a value that you can typically use to refer to that resource, such as a physical ID.
Initializers
import com.aliyun.ros.cdk.core.FnRef;
new FnRef(java.lang.String logicalName);
Name | Type | Description |
---|---|---|
logicalName |
java.lang.String |
The logical name of a parameter/resource for which you want to retrieve its value. |
logicalName
Required
- Type: java.lang.String
The logical name of a parameter/resource for which you want to retrieve its value.
Methods
Name | Description |
---|---|
resolve |
Produce the Token's value at resolution time. |
toJSON |
Turn this Token into JSON. |
toString |
Convert an instance of this Token to a string. |
resolve
public java.lang.Object resolve(IResolveContext _context)
Produce the Token's value at resolution time.
- Type: IResolveContext
toJSON
public java.lang.Object toJSON()
Turn this Token into JSON.
Called automatically when JSON.stringify() is called on a Token.
toString
public java.lang.String toString()
Convert an instance of this Token to a string.
This method will be called implicitly by language runtimes if the object is embedded into a string. We treat it the same as an explicit stringification.
Properties
Name | Type | Description |
---|---|---|
creationStack |
java.util.List |
The captured stack trace which represents the location in which this token was created. |
creationStack
Required
public java.util.List<java.lang.String> getCreationStack();
- Type: java.util.List
The captured stack trace which represents the location in which this token was created.