Signer (AWS Java SDK :: SDK Core 2.23.20 API)

All Known Implementing Classes:

NoOpSigner

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface Signer
```
Interface for the signer used for signing the requests. All SDK signer implementations will implement this interface.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default CredentialType`	`credentialType()`	Method that retrieves `CredentialType` i.e.
`SdkHttpFullRequest`	`sign(SdkHttpFullRequest request, ExecutionAttributes executionAttributes)`	Method that takes in an request and returns a signed version of the request.

- Method Detail
  - sign
```
SdkHttpFullRequest sign(SdkHttpFullRequest request,
                        ExecutionAttributes executionAttributes)
```
    Method that takes in an request and returns a signed version of the request.
    
    Parameters:
    
    request - The request to sign
    
    executionAttributes - Contains the attributes required for signing the request
    
    Returns:
    
    A signed version of the input request
  - credentialType
```
default CredentialType credentialType()
```
    Method that retrieves CredentialType i.e. the type of Credentials used by the Signer while authorizing a request.
    
    Returns:
    
    null by default else return CredentialType as defined by the signer implementation.