/**
* Removes an assignment relationship of a LinkContract from an assignee node
*
* @param assignee The context node who will not longer have access to this LinkContract
* @return NONE
*/
public boolean removeAssignee(ContextNode assignee) {
boolean status = false;
if (assignee == null) {
// TBD
// write error in debug log
return status;
}
Iterator<Relation> allRelations = contextNode.getRelations();
Relation r = null;
for (; allRelations.hasNext(); ) {
r = allRelations.next();
ContextNode target = r.follow();
if (target.equals(assignee)) {
// write debug log with information about the relation XRI that
// is removed
// TBD
status = true;
break;
}
}
if (status) {
contextNode.deleteRelation(XDILinkContractConstants.XRI_S_IS_DO, r.getTargetContextNodeXri());
}
return status;
}
public boolean removePermission(XDILinkContractPermission permission, ContextNode targetNode) {
boolean status = false;
XRI3Segment perm = null;
switch (permission) {
case LC_OP_GET:
perm = XDILinkContractConstants.XRI_S_GET;
break;
case LC_OP_ADD:
perm = XDILinkContractConstants.XRI_S_ADD;
break;
case LC_OP_MOD:
perm = XDILinkContractConstants.XRI_S_MOD;
break;
case LC_OP_DEL:
perm = XDILinkContractConstants.XRI_S_DEL;
break;
case LC_OP_ALL:
perm = XDILinkContractConstants.XRI_S_ALL;
break;
default:
// TBD
// debug log
break;
}
if (null == perm) {
return status;
}
Iterator<Relation> allRelations = contextNode.getRelations();
Relation r = null;
for (; allRelations.hasNext(); ) {
r = allRelations.next();
if (r.getArcXri().equals(perm)) {
ContextNode nodeWithPermission = r.follow();
if (nodeWithPermission.equals(targetNode)) {
status = true;
break;
}
}
}
if (status) {
contextNode.deleteRelation(r.getArcXri(), r.getTargetContextNodeXri());
}
return status;
}