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Change internal storage class to an AbstractHashedMap, allowing more choice of implementation

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@131702 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne 2004-05-03 22:57:40 +00:00
parent 31f6d2ad65
commit d56568acdf
1 changed files with 9 additions and 6 deletions
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15
src/java/org/apache/commons/collections/map/Flat3Map.java
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@ -60,7 +60,7 @@ import org.apache.commons.collections.ResettableIterator;
* Do not use <code>Flat3Map</code> if the size is likely to grow beyond 3. * Do not use <code>Flat3Map</code> if the size is likely to grow beyond 3.
* *
* @since Commons Collections 3.0 * @since Commons Collections 3.0
* @version $Revision: 1.16 $ $Date: 2004/04/09 22:52:48 $ * @version $Revision: 1.17 $ $Date: 2004/05/03 22:57:40 $
* *
* @author Stephen Colebourne * @author Stephen Colebourne
*/ */
@ -90,7 +90,7 @@ public class Flat3Map implements IterableMap, Serializable, Cloneable {
/** Value, used while in flat mode */ /** Value, used while in flat mode */
private transient Object value3; private transient Object value3;
/** Map, used while in delegate mode */ /** Map, used while in delegate mode */
private transient HashedMap delegateMap; private transient AbstractHashedMap delegateMap;
/** /**
* Constructor. * Constructor.
@ -350,7 +350,7 @@ public class Flat3Map implements IterableMap, Serializable, Cloneable {
} }
/** /**
* Converts the flat map data to a HashMap. * Converts the flat map data to a map.
*/ */
private void convertToMap() { private void convertToMap() {
delegateMap = createDelegateMap(); delegateMap = createDelegateMap();
@ -371,12 +371,15 @@ public class Flat3Map implements IterableMap, Serializable, Cloneable {
/** /**
* Create an instance of the map used for storage when in delegation mode. * Create an instance of the map used for storage when in delegation mode.
* This can be overridden by subclasses. * <p>
* This can be overridden by subclasses to provide a different map implementation.
* Not every AbstractHashedMap is suitable, identity and reference based maps
* would be poor choices.
* *
* @return a new HashedMap or subclass * @return a new AbstractHashedMap or subclass
* @since Commons Collections 3.1 * @since Commons Collections 3.1
*/ */
protected HashedMap createDelegateMap() { protected AbstractHashedMap createDelegateMap() {
return new HashedMap(); return new HashedMap();
} }