ResourceHelper (Fedora Commons 6.0.0 API)

All Known Implementing Classes:

ResourceHelperImpl
```
public interface ResourceHelper
```
Utility class interface for helper methods.

Since:

6.0.0

Author:

whikloj

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`doesResourceExist(Transaction transaction, FedoraId fedoraId, boolean includeDeleted)`	Check if a resource exists.
`boolean`	`isGhostNode(Transaction transaction, FedoraId resourceId)`	Is the resource a "ghost node".

- Method Detail
  - doesResourceExist
```
boolean doesResourceExist(Transaction transaction,
                          FedoraId fedoraId,
                          boolean includeDeleted)
```
    Check if a resource exists.
    
    Parameters:
    
    transaction - The current transaction
    
    fedoraId - The internal identifier
    
    includeDeleted - Whether to check for deleted resources too.
    
    Returns:
    
    True if the identifier resolves to a resource.
  - isGhostNode
```
boolean isGhostNode(Transaction transaction,
                    FedoraId resourceId)
```
    Is the resource a "ghost node". Ghost nodes are defined as a resource that does not exist, but whose URI is part of the URI of another resource? For example: http://localhost/rest/a/b - does exist http://localhost/rest/a - does not exist and is therefore a ghost node.
    
    Parameters:
    
    transaction - The transaction
    
    resourceId - Identifier of the resource
    
    Returns:
    
    Whether the resource does not exist, but has