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FnSub

The intrinsic function Fn::Sub substitutes variables in an input string with values that you specify.

In your templates, you can use this function to construct commands or outputs that include values that aren't available until you create or update a stack.

Initializers

import com.aliyun.ros.cdk.core.FnSub;
new FnSub(java.lang.Object value);
Name Type Description
value java.lang.Object No description.

valueRequired

  • Type: java.lang.Object

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.

_contextRequired


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.

creationStackRequired

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.