How to build a Provisioning plan from Snapshot?

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import sailpoint.object.Filter;

import sailpoint.object.Identity;

import sailpoint.object.IdentitySnapshot;

import sailpoint.object.LinkSnapshot;

import sailpoint.object.ProvisioningPlan;

import sailpoint.object.ProvisioningPlan.AccountRequest;

import sailpoint.object.QueryOptions;

import sailpoint.tools.GeneralException;

 public List<LinkSnapshot> getIdSnapshot(String identityName) throws GeneralException {

log.debug("Enter into the method : getIdSnapshot");

boolean checkSnapshot = false;

List<LinkSnapshot> linkSnap = new ArrayList<LinkSnapshot>();

QueryOptions qop = new QueryOptions();

qop.addFilter(Filter.eq("identityName", identityName));

qop.setOrderBy("created");

qop.setOrderAscending(false);

Iterator<IdentitySnapshot> it = context.search(IdentitySnapshot.class, qop);

checkSnapshot = it.hasNext();

if (checkSnapshot) {

IdentitySnapshot eachIdentitySnapshot = (IdentitySnapshot) it.next();

linkSnap = eachIdentitySnapshot.getLinks();

}

log.debug("Exiting from the method : getIdSnapshot");

return linkSnap;

}

public ProvisioningPlan buildPlanFromSnapshot(String identityName) throws GeneralException {

log.debug("Enter into the method : buildFromSnapshot");

ProvisioningPlan plan = new ProvisioningPlan();

Identity identity = context.getObjectByName(Identity.class, identityName);

if (plan != null) {

plan.setIdentity(identity);

}

List<LinkSnapshot> linkSnap = new ArrayList<LinkSnapshot>();

linkSnap = getIdSnapshot(identityName);

for (LinkSnapshot ls : linkSnap) {

if (ls.getAttributes().get("IIQDisabled") == null

|| ls.getAttributes().get("IIQDisabled").toString().equals("false")) {

AccountRequest accountRequest = new AccountRequest();

accountRequest.setApplication(ls.getApplicationName());

accountRequest.setInstance(ls.getInstance());

accountRequest.setNativeIdentity(ls.getNativeIdentity());

accountRequest.setOperation(AccountRequest.Operation.Create);

plan.add(accountRequest);

}

}

log.debug("Link plan : " + plan.toXml());

log.debug("Exiting from the method : buildPlanFromSnapshot");

return plan;

}