org.fcrepo.server.security.xacml.util

Interface RelationshipResolver

All Known Implementing Classes:

RelationshipResolverBase, RelationshipResolverImpl, RELSRelationshipResolver, RIRelationshipResolver

public interface RelationshipResolver

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	buildRESTParentHierarchy(java.lang.String pid) Generates a REST based representation of an object and its parents.
java.util.Set<java.lang.String>	getAttributesFromQuery(java.lang.String query, java.lang.String queryLang, java.lang.String variable) Get attributes defined by a query.
java.util.Map<java.lang.String,java.util.Set<java.lang.String>>	getRelationships(java.lang.String subject) Retrieves the relationships for this subject.
java.util.Map<java.lang.String,java.util.Set<java.lang.String>>	getRelationships(java.lang.String subject, java.lang.String relationship) Retrieves relationships for this subject, relationship and object.

Method Detail

getRelationships

java.util.Map<java.lang.String,java.util.Set<java.lang.String>> getRelationships(java.lang.String subject)
                                                                                 throws MelcoeXacmlException

Retrieves the relationships for this subject. Values for each relationship are placed in a map. Return empty map if none found

Parameters:

subject - the subject to return relationships for - either ns:pid, ns:pid/datastream or the info:fedora/ forms

Returns:

The map of relationships and values.

Throws:

MelcoeXacmlException

getRelationships

java.util.Map<java.lang.String,java.util.Set<java.lang.String>> getRelationships(java.lang.String subject,
                                                                               java.lang.String relationship)
                                                                                 throws MelcoeXacmlException

Retrieves relationships for this subject, relationship and object. Return empty map if none found. Null means any.

Parameters:

subject -

relationship -

object -

Returns:

Throws:

MelcoeXacmlException

buildRESTParentHierarchy

java.lang.String buildRESTParentHierarchy(java.lang.String pid)
                                          throws MelcoeXacmlException

Generates a REST based representation of an object and its parents. For example, given the parameter b, and if b belongs to collection a, then we will end up with /a/b

Parameters:

pid - the pid whose parents we need to find

Returns:

the REST representation of the pid and its parents

Throws:

PEPException

MelcoeXacmlException

getAttributesFromQuery

java.util.Set<java.lang.String> getAttributesFromQuery(java.lang.String query,
                                                     java.lang.String queryLang,
                                                     java.lang.String variable)
                                                       throws MelcoeXacmlException

Get attributes defined by a query. The values returned are defined by the variable defined in the query Only distinct values are returned.

Parameters:

query - The query to run

queryLang - Language of the query - itql, sparql, spo

variable - - the output variable to return (for spo, specify "s", "p" or "o")

Returns:

Throws:

MelcoeXacmlException