context.arch.storage
Class AttributeFunction

java.lang.Object
  context.arch.storage.Attribute
      context.arch.storage.AttributeFunction

All Implemented Interfaces:

java.lang.Comparable

public class AttributeFunction

extends Attribute

This class is a container for an attribute name, a function, subAttributes (used for structures - STRUCT) and type.

Field Summary

protected AttributeFunctions	afs
static java.lang.String	ATTRIBUTE Tag for an attribute
static java.lang.String	ATTRIBUTE_FUNCTION Tag for an attribute function object
protected java.lang.String	function
static java.lang.String	FUNCTION Tag for an attribute function
static java.lang.String	FUNCTION_AVG Tag for AVG function
static java.lang.String	FUNCTION_COUNT Tag for COUNT function
static java.lang.String	FUNCTION_MAX Tag for MAX function
static java.lang.String	FUNCTION_MIN Tag for MIN function
static java.lang.String	FUNCTION_NONE Tag for default function - none
static java.lang.String	FUNCTION_SUM Tag for SUM function

Fields inherited from class context.arch.storage.Attribute

ATTRIBUTE_TYPE, attributes, DEFAULT_TYPE, DOUBLE, FLOAT, INT, LONG, name, SHORT, STRING, STRUCT, type

Constructor Summary

AttributeFunction()
Empty constructor

AttributeFunction(DataObject af)
Constructor that takes a DataObject as input.

AttributeFunction(java.lang.String name)
Constructor that takes only a name

AttributeFunction(java.lang.String name, AttributeFunctions afs, java.lang.String type)
Constructor that takes a name, value, and type

AttributeFunction(java.lang.String name, AttributeFunctions afs, java.lang.String type, java.lang.String function)
Constructor that takes a name, value, and type

AttributeFunction(java.lang.String name, java.lang.String function)
Constructor that takes only a name and a function

Method Summary

java.lang.String	getFunction() Returns the function of an attribute
AttributeFunctions	getSubAttributeFunctions() Returns the subAttributes of the stored attribute
void	setFunction(java.lang.String function) Sets the function of an attribute
void	setSubAttributes(AttributeFunctions afs) Sets the subAttributes of this attribute
DataObject	toDataObject() Converts this object to a DataObject.
java.lang.String	toString() A printable version of this class.

Methods inherited from class context.arch.storage.Attribute

compareTo, getName, getSubAttributes, getType, setName, setSubAttributes, setType

Methods inherited from class java.lang.Object

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

Field Detail

afs

protected AttributeFunctions afs

function

protected java.lang.String function

ATTRIBUTE_FUNCTION

public static final java.lang.String ATTRIBUTE_FUNCTION

Tag for an attribute function object

See Also:

Constant Field Values

FUNCTION

public static final java.lang.String FUNCTION

Tag for an attribute function

See Also:

Constant Field Values

ATTRIBUTE

public static final java.lang.String ATTRIBUTE

Tag for an attribute

See Also:

Constant Field Values

FUNCTION_NONE

public static final java.lang.String FUNCTION_NONE

Tag for default function - none

See Also:

Constant Field Values

FUNCTION_MAX

public static final java.lang.String FUNCTION_MAX

Tag for MAX function

See Also:

Constant Field Values

FUNCTION_MIN

public static final java.lang.String FUNCTION_MIN

Tag for MIN function

See Also:

Constant Field Values

FUNCTION_COUNT

public static final java.lang.String FUNCTION_COUNT

Tag for COUNT function

See Also:

Constant Field Values

FUNCTION_AVG

public static final java.lang.String FUNCTION_AVG

Tag for AVG function

See Also:

Constant Field Values

FUNCTION_SUM

public static final java.lang.String FUNCTION_SUM

Tag for SUM function

See Also:

Constant Field Values

Constructor Detail

AttributeFunction

public AttributeFunction()

Empty constructor

AttributeFunction

public AttributeFunction(java.lang.String name)

Constructor that takes only a name

Parameters:

name - Name of attribute to store

AttributeFunction

public AttributeFunction(java.lang.String name,
                         java.lang.String function)

Constructor that takes only a name and a function

Parameters:

name - Name of attribute to store

function - Function to execute on attribute

AttributeFunction

public AttributeFunction(java.lang.String name,
                         AttributeFunctions afs,
                         java.lang.String type)

Constructor that takes a name, value, and type

Parameters:

name - Name of attribute to store

afs - subAttributes of this attribute

type - Datatype of attribute to store

AttributeFunction

public AttributeFunction(java.lang.String name,
                         AttributeFunctions afs,
                         java.lang.String type,
                         java.lang.String function)

Constructor that takes a name, value, and type

Parameters:

name - Name of attribute to store

afs - subAttributes of this attribute

type - Datatype of attribute to store

function - Function to execute on attribute

AttributeFunction

public AttributeFunction(DataObject af)

Constructor that takes a DataObject as input. The DataObject must have as its top-level tag

Method Detail

toDataObject

public DataObject toDataObject()

Converts this object to a DataObject.

Overrides:

toDataObject in class Attribute

Returns:

Attribute object converted to an DataObject

setSubAttributes

public void setSubAttributes(AttributeFunctions afs)

Sets the subAttributes of this attribute

Parameters:

afs - subAttributes of the attribute to store

setFunction

public void setFunction(java.lang.String function)

Sets the function of an attribute

Parameters:

function - Function to act on the attribute

getSubAttributeFunctions

public AttributeFunctions getSubAttributeFunctions()

Returns the subAttributes of the stored attribute

Returns:

subAttributes of the stored attribute

getFunction

public java.lang.String getFunction()

Returns the function of an attribute

Returns:

function to act on the attribute

toString

public java.lang.String toString()

A printable version of this class.

Overrides:

toString in class Attribute

Returns:

String version of this class