kaapo.project
Class Attribute

java.lang.Object
  kaapo.project.Attribute

All Implemented Interfaces:

Serializable

public class Attribute
extends Object
implements Serializable

Attribute of a project component, with name, type and value.

Attribute value is stored and returned as a generic Object instance. It may be cast into a specific class according to the following rules:

• Type AttributeType.BOOLEAN may be cast into Boolean
• Type AttributeType.INT may be cast into Integer
• Type AttributeType.DOUBLE may be cast into Double
• Type AttributeType.STRING may be cast into String

Author:

hkovaska

See Also:

Serialized Form

Nested Class Summary

static class

Attribute.AttributeType Enumeration for attribute type.

Field Summary

protected String	name
protected Attribute.AttributeType	type
protected Object	value

Constructor Summary

Attribute(String name, Attribute.AttributeType type)
Constructs an attribute with null initial value.

Attribute(String name, Attribute.AttributeType type, Object value)
Constructs an attribute with given initial value.

Method Summary

String	getName() Returns attribute name.
Attribute.AttributeType	getType() Returns attribute type.
Object	getValue() Returns attribute value.
void	setValue(Object value) Sets attribute value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

name

protected String name

value

protected Object value

type

protected Attribute.AttributeType type

Constructor Detail

Attribute

public Attribute(String name,
                 Attribute.AttributeType type)

Constructs an attribute with null initial value. Normally, this constructor is not called directly, but the attribute is created and added to a project component with ProjectComponent.addAttribute.

Parameters:

name - Attribute name

type - Attribute type

See Also:

ProjectComponent.addAttribute(String, Attribute.AttributeType)

Attribute

public Attribute(String name,
                 Attribute.AttributeType type,
                 Object value)

Constructs an attribute with given initial value. Normally, this constructor is not called directly, but the attribute is created and added to a project component with ProjectComponent.addAttribute.

Parameters:

name - Attribute name

type - Attribute type

value - Initial value

Throws:

IllegalArgumentException - If the value object is wrong type

See Also:

ProjectComponent.addAttribute(String, Attribute.AttributeType, Object)

Method Detail

setValue

public void setValue(Object value)

Sets attribute value. The value may be null.

Parameters:

value - New value.

Throws:

IllegalArgumentException - If the value object is wrong type

getValue

public Object getValue()

Returns attribute value. The value may be null.

Returns:

Value

getName

public String getName()

Returns attribute name.

Returns:

Name

getType

public Attribute.AttributeType getType()

Returns attribute type.

Returns:

Type