jade.content.abs
Class AbsVariable

java.lang.Object
  |
  +--jade.content.abs.AbsObjectImpl
        |
        +--jade.content.abs.AbsVariable

All Implemented Interfaces:

AbsObject, AbsTerm, java.io.Serializable, Serializable, Term

public class AbsVariable

extends jade.content.abs.AbsObjectImpl

implements AbsTerm

An abstract descriptor that can hold a variable expression, i.e. an entity that is not known yet.

Author:

Federico Bergenti - Universita` di Parma

See Also:

Serialized Form

Constructor Summary

AbsVariable()
Construct an Abstract descriptor to hold a variable

AbsVariable(java.lang.String name, java.lang.String valueType)
Construct an AbsVariable with the given name and value type

Method Summary

boolean	equals(java.lang.Object obj) Returns true if the attribute is equal to this abstract descriptor, based on the contents of both descriptors.
AbsObject	getAbsObject(java.lang.String name) Gets the value of an attribute of the object held by this abstract descriptor.
int	getCount() Gets the number of attributes.
static java.lang.Class	getJavaClass()
java.lang.String	getName() Gets the name of this variable.
java.lang.String[]	getNames()
java.lang.String	getType() Gets the value type of this variable.
java.lang.String	getTypeName()
int	hashCode() Returns an integer hashcode calculated from the contents of this abstract descriptor
boolean	isGrounded() Redefine the isGrounded() method in order to always return false.
protected void	set(java.lang.String name, AbsObject value) Sets an attribute of the object held by this abstract descriptor.
void	setName(java.lang.String name) Sets the name of this variable.
void	setType(java.lang.String valueType) Sets the value type of this variable.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface jade.content.abs.AbsObject

getAbsObject, getCount, getNames, getTypeName

Constructor Detail

AbsVariable

public AbsVariable()

Construct an Abstract descriptor to hold a variable

AbsVariable

public AbsVariable(java.lang.String name,
                   java.lang.String valueType)

Construct an AbsVariable with the given name and value type

Parameters:

name - The name of the variable.

valueType - The type of values that can be assigned to this variable.

Method Detail

setName

public void setName(java.lang.String name)

Sets the name of this variable.

Parameters:

name - The new name of this variable.

setType

public void setType(java.lang.String valueType)

Sets the value type of this variable.

Parameters:

valueType - The type of values that can be assigned to this variable.

getName

public java.lang.String getName()

Gets the name of this variable.

Returns:

The name of this variable.

getType

public java.lang.String getType()

Gets the value type of this variable.

Returns:

The type of values that can be assigned to this variable.

isGrounded

public boolean isGrounded()

Redefine the isGrounded() method in order to always return false.

Specified by:

isGrounded in interface AbsObject

Overrides:

isGrounded in class jade.content.abs.AbsObjectImpl

Returns:

true if the object is grounded.

getJavaClass

public static java.lang.Class getJavaClass()

getTypeName

public java.lang.String getTypeName()

Specified by:

getTypeName in interface AbsObject

Returns:

The name of the type of the object held by this abstract descriptor.

See Also:

AbsObject.getTypeName()

set

protected void set(java.lang.String name,
                   AbsObject value)

Sets an attribute of the object held by this abstract descriptor.

Parameters:

name - The name of the attribute to be set.

value - The new value of the attribute. If value is null the current mapping with name (if any) is removed.

getAbsObject

public AbsObject getAbsObject(java.lang.String name)

Gets the value of an attribute of the object held by this abstract descriptor.

Specified by:

getAbsObject in interface AbsObject

Parameters:

name - The name of the attribute.

Returns:

value The value of the attribute.

See Also:

AbsObject.getAbsObject(String)

getNames

public java.lang.String[] getNames()

Specified by:

getNames in interface AbsObject

Returns:

the name of all attributes.

See Also:

AbsObject.getNames()

getCount

public int getCount()

Gets the number of attributes.

Specified by:

getCount in interface AbsObject

Returns:

the number of attributes.

See Also:

AbsObject.getCount()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Returns true if the attribute is equal to this abstract descriptor, based on the contents of both descriptors.

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Returns an integer hashcode calculated from the contents of this abstract descriptor

Overrides:

hashCode in class java.lang.Object