Package jade.content.frame

Class QualifiedFrame

java.lang.Object

java.util.Dictionary<K,V>

java.util.Hashtable

jade.content.frame.QualifiedFrame

All Implemented Interfaces:

Frame, Serializable, Cloneable, Map

public class QualifiedFrame
extends Hashtable
implements Frame

Generic class representing all frames (such as concepts and predicates) whose composing elements can be retrieved by a unique name.

Author:

Giovanni Caire - TILAB

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
QualifiedFrame(String typeName)	Create a QualifiedFrame with a given type-name.

Method Summary

Modifier and Type	Method	Description
boolean	getBoolean(Object key)	Utility method to retrieve a value of type boolean from this Frame.
int	getInteger(Object key)	Utility method to retrieve a value of type int from this Frame.
String	getTypeName()	Retrieve the type-name of this QualifiedFrame.
Object	put(Object key, Object val)	Redefine the put() method so that keys must be String and setting a null value for a given key is interpreted as removing the entry.
Object	putBoolean(Object key, boolean val)	Utility method to put a value of type boolean in this Frame.
Object	putInteger(Object key, int val)	Utility method to put a value of type int in this Frame.

Methods inherited from class java.util.Hashtable

clear, clone, compute, computeIfAbsent, computeIfPresent, contains, containsKey, containsValue, elements, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keys, keySet, merge, putAll, putIfAbsent, rehash, remove, remove, replace, replace, replaceAll, size, toString, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

QualifiedFrame

public QualifiedFrame(String typeName)

Create a QualifiedFrame with a given type-name.

Parameters:

typeName - The type-name of the QualifiedFrame to be created.

Method Detail

getTypeName

public String getTypeName()

Retrieve the type-name of this QualifiedFrame.

Specified by:

getTypeName in interface Frame

Returns:

the type-name of this QualifiedFrame

put

public Object put(Object key,
                  Object val)

Redefine the put() method so that keys must be String and setting a null value for a given key is interpreted as removing the entry.

Specified by:

put in interface Map

Overrides:

put in class Hashtable

Throws:

ClassCastException - if key is not a String

putInteger

public Object putInteger(Object key,
                         int val)

Utility method to put a value of type int in this Frame.

getInteger

public int getInteger(Object key)

Utility method to retrieve a value of type int from this Frame.

putBoolean

public Object putBoolean(Object key,
                         boolean val)

Utility method to put a value of type boolean in this Frame.

getBoolean

public boolean getBoolean(Object key)

Utility method to retrieve a value of type boolean from this Frame.