SmartAliasHelper (MPS.Core (JetBrains MPS 2019.1.0))

java.lang.Object
- jetbrains.mps.smodel.presentation.SmartAliasHelper

```
public class SmartAliasHelper
extends Object
```
This class provides operations with the alias which matches the smart pattern. The smart pattern is 'xxx_<{_smart_referent_role_}>_yyy' Concept which has smart conceptAlias and reference link with role equals to the smart role derived from the alias is "smart concept"

Constructor Summary

Constructors
Constructor Description

SmartAliasHelper(String alias)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getPresentation(String roleReplacement)`
`String`	`getSmartRole()`
`boolean`	`isSmartAlias()`
`String`	`replaceRole(String roleReplacement)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SmartAliasHelper
```
public SmartAliasHelper(@NotNull
                        String alias)
```
- Method Detail
  - isSmartAlias
```
public boolean isSmartAlias()
```
    Returns:
    
    true if the alias matches the smart pattern
  - getSmartRole
```
@Nullable
public String getSmartRole()
```
    Returns:
    
    smart referent role derived from the alias if the alias is smart. Otherwise return null.
  - getPresentation
```
public String getPresentation(String roleReplacement)
```
    Parameters:
    
    roleReplacement - string to replace smart referent role in the presentation
    
    Returns:
    
    'xxx_roleReplacement_yyy' if the pattern is smart. Otherwise return roleReplacement.
  - replaceRole
```
@Nullable
public final String replaceRole(String roleReplacement)
```
    Parameters:
    
    roleReplacement - string to replace smart referent role
    
    Returns:
    
    'xxx_<{roleReplacement}>_yyy' if the pattern is smart. Otherwise return null.