org.biojava.utils
Class OverlayMap
java.lang.Object
java.util.AbstractMap
org.biojava.utils.OverlayMap
- All Implemented Interfaces:
- Map
public class OverlayMap
- extends AbstractMap
Overlap one map onto another. This allows you to have a map with local values
and default values. The local and default values are provided by a child and
parent map.
- Author:
- Thomas Down, Matthew Pocock
Nested classes/interfaces inherited from interface java.util.Map |
Map.Entry<K,V> |
Constructor Summary |
OverlayMap(Map parent)
Build a new map with default key-value pairs. |
OverlayMap(Map parent,
Map overlay)
Build a new map with default key-value pairs. |
Methods inherited from class java.util.AbstractMap |
clear, clone, containsValue, equals, hashCode, isEmpty, putAll, remove, size, toString, values |
OverlayMap
public OverlayMap(Map parent,
Map overlay)
- Build a new map with default key-value pairs.
- Parameters:
parent
- the default fall-through Mapoverlay
- the overriding Map
OverlayMap
public OverlayMap(Map parent)
- Build a new map with default key-value pairs.
- Parameters:
parent
- the default fall-through Map
getParentMap
public Map getParentMap()
- Return the object containing the fallback mappings.
This is the actual parent map, not a copy.
- Returns:
- the parent map
getOverlayMap
public Map getOverlayMap()
- Return the object containing the overlay mappings.
This is the actual child map, not a copy.
- Returns:
- the child map
get
public Object get(Object key)
- Specified by:
get
in interface Map
- Overrides:
get
in class AbstractMap
entrySet
public Set entrySet()
- Specified by:
entrySet
in interface Map
- Specified by:
entrySet
in class AbstractMap
keySet
public Set keySet()
- Specified by:
keySet
in interface Map
- Overrides:
keySet
in class AbstractMap
containsKey
public boolean containsKey(Object key)
- Specified by:
containsKey
in interface Map
- Overrides:
containsKey
in class AbstractMap
put
public Object put(Object key,
Object value)
- Specified by:
put
in interface Map
- Overrides:
put
in class AbstractMap