IClientValidator (formcycle: bom 8.5.6 API)

```
public interface IClientValidator
```
Validator interface for checking the existence of clients in the system.

Since:

8.5.0

Author:

Norman Lorenz

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`clientExists(Long clientId)`	Checks if a client with the specified ID exists in the system.
`static IClientValidator`	`getInstance()`	Retrieves an instance of the IClientValidator using CDI.

- Method Detail
  - getInstance
```
static IClientValidator getInstance()
```
    Retrieves an instance of the IClientValidator using CDI.
    
    Returns:
    
    an instance of IClientValidator.
  - clientExists
```
boolean clientExists(Long clientId)
```
    Checks if a client with the specified ID exists in the system.
    
    Parameters:
    
    clientId - the ID of the client to check for existence.
    
    Returns:
    
    true if a client with the specified ID exists, false otherwise.