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comparison core/src/luan/DeepCloner.java @ 195:24ede40ee0aa

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make MetatableGetter DeepCloneable, scoped, and secure git-svn-id: https://luan-java.googlecode.com/svn/trunk@196 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Thu, 03 Jul 2014 08:19:48 +0000
parents 3dcb0f9bee82
children c6bcb8859b93
comparison
equal deleted inserted replaced
194:08df375e2e5f 195:24ede40ee0aa
6 6
7 public final class DeepCloner { 7 public final class DeepCloner {
8 private final Map<Object,Object> cloned = new IdentityHashMap<Object,Object>(); 8 private final Map<Object,Object> cloned = new IdentityHashMap<Object,Object>();
9 9
10 public <T extends DeepCloneable<T>> T deepClone(T obj) { 10 public <T extends DeepCloneable<T>> T deepClone(T obj) {
11 if( obj==null )
12 return null;
11 @SuppressWarnings("unchecked") 13 @SuppressWarnings("unchecked")
12 T rtn = (T)cloned.get(obj); 14 T rtn = (T)cloned.get(obj);
13 if( rtn == null ) { 15 if( rtn == null ) {
14 rtn = obj.shallowClone(); 16 rtn = obj.shallowClone();
15 cloned.put(obj,rtn); 17 cloned.put(obj,rtn);