* Fixed issues regarding roles updating for policy * Fixed the relevent test cases JIRA:- https://wso2.org/jira/browse/EMM-812merge-requests/7/head
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package org.wso2.carbon.policy.mgt.core.util;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.TreeSet;
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public class SetReferenceTransformer<T>{
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private List<T> objectsToRemove;
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private List<T> objectsToAdd;
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/**
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* Use the Set theory to find the objects to delete and objects to add
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The difference of objects in existingSet and newSet needed to be deleted
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new roles to add = newSet - The intersection of roles in existingSet and newSet
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* @param currentList
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* @param nextList
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*/
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public void transform(List<T> currentList, List<T> nextList){
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TreeSet<T> existingSet = new TreeSet<T>(currentList);
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TreeSet<T> newSet = new TreeSet<T>(nextList);;
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existingSet.removeAll(newSet);
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objectsToRemove = new ArrayList<>(existingSet);
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// Clearing and re-initializing the set
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existingSet = new TreeSet<T>(currentList);
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newSet.removeAll(existingSet);
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objectsToAdd = new ArrayList<T>(newSet);
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}
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public List<T> getObjectsToRemove() {
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return objectsToRemove;
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}
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public List<T> getObjectsToAdd() {
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return objectsToAdd;
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}
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}
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