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comparison src/luan/LuanTable.java @ 1613:92beba8bf1c8

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handle ConcurrentModificationException
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 24 May 2021 22:30:17 -0600
parents fa066aaa068c
children a37ffe2d1b14
comparison
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1612:8852f34a646a 1613:92beba8bf1c8
9 import java.util.ArrayList; 9 import java.util.ArrayList;
10 import java.util.Collections; 10 import java.util.Collections;
11 import java.util.Comparator; 11 import java.util.Comparator;
12 import java.util.Set; 12 import java.util.Set;
13 import java.util.HashSet; 13 import java.util.HashSet;
14 import java.util.ConcurrentModificationException;
14 15
15 16
16 public final class LuanTable implements LuanMutable { 17 public final class LuanTable implements LuanMutable {
17 private Map map = null; 18 private Map map = null;
18 private List list = null; 19 private List list = null;
349 350
350 private LuanFunction rawPairs() { 351 private LuanFunction rawPairs() {
351 return new LuanFunction() { 352 return new LuanFunction() {
352 final Iterator<Map.Entry> iter = rawIterator(); 353 final Iterator<Map.Entry> iter = rawIterator();
353 354
354 @Override public Object[] call(Luan luan,Object[] args) { 355 @Override public Object[] call(Luan luan,Object[] args) throws LuanException {
355 if( !iter.hasNext() ) 356 if( !iter.hasNext() )
356 return LuanFunction.NOTHING; 357 return LuanFunction.NOTHING;
357 Map.Entry<Object,Object> entry = iter.next(); 358 try {
358 return new Object[]{entry.getKey(),entry.getValue()}; 359 Map.Entry<Object,Object> entry = iter.next();
360 return new Object[]{entry.getKey(),entry.getValue()};
361 } catch(ConcurrentModificationException e) {
362 throw new LuanException("table modified while iterating");
363 }
359 } 364 }
360 }; 365 };
361 } 366 }
362 367
363 public Iterator<Map.Entry> rawIterator() { 368 public Iterator<Map.Entry> rawIterator() {