Package org.fcrepo.kernel.api.models

Interface ResourceHelper

public interface ResourceHelper

Utility class interface for helper methods.

Since:

6.0.0

Author:

whikloj

Method Summary

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 Details

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