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public interface ExtObjectSet
extended functionality for the
ObjectSet
interface.
Every db4o ObjectSet
always is an ExtObjectSet so a cast is possible.
ObjectSet.ext()
is a convenient method to perform the cast.
The ObjectSet functionality is split to two interfaces to allow newcomers to
focus on the essential methods.
Method Summary | |
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java.lang.Object |
get(int index)
returns the item at position [index] in this ObjectSet. |
long[] |
getIDs()
returns an array of internal IDs that correspond to the contained objects. |
Methods inherited from interface com.db4o.ObjectSet |
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ext, hasNext, next, reset, size |
Methods inherited from interface java.util.List |
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add, add, addAll, addAll, clear, contains, containsAll, equals, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, retainAll, set, subList, toArray, toArray |
Methods inherited from interface java.util.Iterator |
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remove |
Method Detail |
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long[] getIDs()
ExtObjectContainer.getID(java.lang.Object)
,
ExtObjectContainer.getByID(long)
java.lang.Object get(int index)
get
in interface java.util.List
index
- the index position in this ObjectSet.
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