org.obe.spi.model
Class AbstractSystemAttribute

java.lang.Object
  org.obe.spi.model.AbstractSystemAttribute

All Implemented Interfaces:

AttributeInstance, java.io.Serializable

public abstract class AbstractSystemAttribute

extends java.lang.Object

implements AttributeInstance, java.io.Serializable

Abstract base class for system attributes

Author:

Adrian Price

See Also:

Serialized Form

Constructor Summary

protected

AbstractSystemAttribute(java.beans.PropertyDescriptor propDesc)

Method Summary

java.lang.String	getName()
int	getType()
java.lang.Object	getValue() Retrieves the attribute value.
void	setValue(int type, java.lang.Object value) Sets the attribute value.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.obe.spi.model.AttributeInstance

getOwner

Constructor Detail

AbstractSystemAttribute

protected AbstractSystemAttribute(java.beans.PropertyDescriptor propDesc)

Method Detail

getName

public java.lang.String getName()

Specified by:

getName in interface AttributeInstance

getType

public int getType()

Specified by:

getType in interface AttributeInstance

getValue

public java.lang.Object getValue()

Description copied from interface: AttributeInstance

Retrieves the attribute value. Implementations are responsible for returning an instance of the correct class for the data type.

Specified by:

getValue in interface AttributeInstance

Returns:

The attribute value.

See Also:

DataTypes.classForType(int), DataTypes.classForDataType(org.obe.xpdl.model.data.DataType)

setValue

public void setValue(int type,
                     java.lang.Object value)
              throws AttributeReadOnlyException

Description copied from interface: AttributeInstance

Sets the attribute value. Implementations are responsible for converting the value to the correct class for the data type.

Specified by:

setValue in interface AttributeInstance

Parameters:

type - The data type (typically Type.DEFAULT_TYPE).

value - The value to set.

Throws:

AttributeReadOnlyException - if the attribute in question cannot be updated because it is read-only (applies to system attributes only).

See Also:

DataTypes.classForType(int), DataTypes.classForDataType(org.obe.xpdl.model.data.DataType)