# | Line 218 | Line 218 | public class Exchanger<V> { | |
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218 | * because the sentinel value FAIL is only of type Object. | |
219 | */ | |
220 | static final class Node extends AtomicReference<Object> { | |
221 | + | private static final long serialVersionUID = -3221313401284163686L; |
222 | + | |
223 | /** The element offered by the Thread creating this node. */ | |
224 | final Object item; | |
225 | /** The Thread creating this node. */ |
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