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Add extends clause to ensure binary compatibility of ReferenceMap 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@131796 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne 2004-06-22 21:42:12 +00:00
parent ce5177e51a
commit d3697544ee
1 changed files with 7 additions and 2 deletions
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9
src/java/org/apache/commons/collections/map/AbstractHashedMap.java
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@ -19,6 +19,7 @@ import java.io.IOException;
import java.io.ObjectInputStream; import java.io.ObjectInputStream;
import java.io.ObjectOutputStream; import java.io.ObjectOutputStream;
import java.util.AbstractCollection; import java.util.AbstractCollection;
import java.util.AbstractMap;
import java.util.AbstractSet; import java.util.AbstractSet;
import java.util.Collection; import java.util.Collection;
import java.util.ConcurrentModificationException; import java.util.ConcurrentModificationException;
@ -45,14 +46,18 @@ import org.apache.commons.collections.iterators.EmptyMapIterator;
* Overridable methods are provided to change the default hashing behaviour, and * Overridable methods are provided to change the default hashing behaviour, and
* to change how entries are added to and removed from the map. Hopefully, all you * to change how entries are added to and removed from the map. Hopefully, all you
* need for unusual subclasses is here. * need for unusual subclasses is here.
* <p>
* NOTE: From Commons Collections 3.1 this class extends AbstractMap.
* This is to provide backwards compatibility for ReferenceMap between v3.0 and v3.1.
* This extends clause will be removed in v4.0.
* *
* @since Commons Collections 3.0 * @since Commons Collections 3.0
* @version $Revision: 1.19 $ $Date: 2004/06/04 23:27:30 $ * @version $Revision: 1.20 $ $Date: 2004/06/22 21:42:12 $
* *
* @author java util HashMap * @author java util HashMap
* @author Stephen Colebourne * @author Stephen Colebourne
*/ */
public class AbstractHashedMap implements IterableMap { public class AbstractHashedMap extends AbstractMap implements IterableMap {
protected static final String NO_NEXT_ENTRY = "No next() entry in the iteration"; protected static final String NO_NEXT_ENTRY = "No next() entry in the iteration";
protected static final String NO_PREVIOUS_ENTRY = "No previous() entry in the iteration"; protected static final String NO_PREVIOUS_ENTRY = "No previous() entry in the iteration";