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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.model.common;
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import java.util.Iterator;
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import java.util.NoSuchElementException;
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import java.util.Set;
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import java.util.SortedSet;
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import java.util.TreeSet;
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import javax.persistence.Entity;
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import javax.persistence.Transient;
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import javax.xml.bind.annotation.XmlAccessType;
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import javax.xml.bind.annotation.XmlAccessorType;
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import javax.xml.bind.annotation.XmlRootElement;
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import javax.xml.bind.annotation.XmlType;
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import org.apache.log4j.Logger;
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import org.hibernate.envers.Audited;
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import org.hibernate.search.annotations.Indexed;
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/**
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* @author a.mueller
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*
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*/
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@XmlAccessorType(XmlAccessType.FIELD)
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@XmlType(name = "OrderedTermVocabulary")
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@XmlRootElement(name = "OrderedTermVocabulary")
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@Entity
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@Indexed(index = "eu.etaxonomy.cdm.model.common.TermVocabulary")
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@Audited
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public class OrderedTermVocabulary<T extends OrderedTermBase> extends TermVocabulary<T> {
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private static final long serialVersionUID = 7871741306306371242L;
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(OrderedTermVocabulary.class);
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/**
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* @param term
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* @param label
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* @param termSourceUri
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*/
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public OrderedTermVocabulary(String term, String label, String labelAbbrev, String termSourceUri) {
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super(term, label, labelAbbrev, termSourceUri);
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}
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public OrderedTermVocabulary() {
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super();
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}
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@Transient
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@Override
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public Set<T> getNewTermSet() {
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return new TreeSet<T>();
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}
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@Transient
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public SortedSet<T> getOrderedTerms() {
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SortedSet<T> result = getSortedSetOfTerms();
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return result;
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}
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public SortedSet<T> getHigherAndEqualTerms(T otb) {
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SortedSet<T> result = new TreeSet<T>();
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SortedSet<T> sortedSet = getSortedSetOfTerms();
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result.addAll( sortedSet.tailSet(otb));
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return result;
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}
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public SortedSet<T> getHigherTerms(T otb) {
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SortedSet<T> result = getHigherAndEqualTerms(otb);
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for (T setObject : terms){
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if (setObject.compareTo(otb) == 0){
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result.remove(setObject);
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}
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}
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return result;
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}
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public SortedSet<T> getLowerAndEqualTerms(T otb) {
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SortedSet<T> result = new TreeSet<T>();
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SortedSet<T> sortedSet = getSortedSetOfTerms();
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result.addAll( sortedSet.headSet(otb));
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//headSet Returns a view of the portion of this set whose elements are STRICTLY less than toElement
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for (T setObject : terms){
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if (setObject.compareTo(otb) == 0){
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result.add(setObject);
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}
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}
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return result;
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}
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public SortedSet<T> getLowerTerms(T otb) {
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SortedSet<T> result = getLowerAndEqualTerms(otb);
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for (T setObject : terms){
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if (setObject.compareTo(otb) == 0){
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result.remove(setObject);
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}
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}
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return result;
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}
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public SortedSet<T> getEqualTerms(T otb) {
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SortedSet<T> result = new TreeSet<T>();
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for (T setObject : terms){
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if (setObject.compareTo(otb) == 0){
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result.add(setObject);
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}
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}
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return result;
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}
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public T getNextHigherTerm(T otb) {
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try {
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return getHigherTerms(otb).first();
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} catch (NoSuchElementException e) {
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return null;
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}
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}
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public T getNextLowerTerm(T otb) {
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try {
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return getLowerTerms(otb).last();
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} catch (NoSuchElementException e) {
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return null;
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}
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}
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@Transient
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public T getLowestTerm() {
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try {
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SortedSet<T> sortedSet = getSortedSetOfTerms();
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return sortedSet.first();
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//return ((SortedSet<T>)terms).first();
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} catch (NoSuchElementException e) {
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return null;
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}
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}
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@Transient
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public T getHighestTerm() {
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try {
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SortedSet<T> sortedSet = getSortedSetOfTerms();
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return sortedSet.last();
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} catch (NoSuchElementException e) {
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return null;
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}
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}
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public void addTerm(T term) {
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SortedSet<T> sortedTerms = getSortedSetOfTerms();
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int lowestOrderIndex;
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if (sortedTerms.size() == 0){
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lowestOrderIndex = 0;
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}else{
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T first = sortedTerms.first();
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lowestOrderIndex = first.orderIndex;
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}
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term.orderIndex = lowestOrderIndex + 1;
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super.addTerm(term);
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}
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public void addTermAbove(T termToBeAdded, T lowerTerm) {
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int orderInd = lowerTerm.orderIndex;
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termToBeAdded.orderIndex = orderInd;
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//increment all orderIndexes of terms below
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Iterator<T> iterator = terms.iterator();
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while(iterator.hasNext()){
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T term = iterator.next();
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if (term.orderIndex >= orderInd){ //should always be true
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term.orderIndex++;
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}
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}
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super.addTerm(termToBeAdded);
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}
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public void addTermBelow(T termToBeAdded, T higherTerm) {
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int orderInd = higherTerm.orderIndex;
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termToBeAdded.orderIndex = orderInd + 1;
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//increment all orderIndexes of terms below
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Iterator<T> iterator = getLowerTerms(higherTerm).iterator();
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while(iterator.hasNext()){
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T term = iterator.next();
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if (term.orderIndex > orderInd){
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term.orderIndex++;
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}
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}
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super.addTerm(termToBeAdded);
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}
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public void addTermEqualLevel(T termToBeAdded, T equalLevelTerm) throws WrongTermTypeException {
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int orderInd = equalLevelTerm.orderIndex;
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termToBeAdded.orderIndex = orderInd;
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super.addTerm(termToBeAdded);
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}
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@Override
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public void removeTerm(T term) {
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if (term == null){
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return;
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}
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if (this.getEqualTerms(term).size() == 0){
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Iterator<T> iterator = getLowerTerms(term).iterator();
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while (iterator.hasNext()){
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T otb = iterator.next();
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toBeChangedByObject = otb;
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otb.decreaseIndex(this);
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toBeChangedByObject = null;
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}
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}
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super.removeTerm(term);
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}
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@Transient
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private T toBeChangedByObject;
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public boolean indexChangeAllowed(OrderedTermBase<T> orderedTermBase){
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return orderedTermBase == toBeChangedByObject ;
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}
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@Transient
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private SortedSet<T> getSortedSetOfTerms(){
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SortedSet<T> sortedSet = new TreeSet<T>();
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sortedSet.addAll(terms);
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return sortedSet;
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}
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}
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