dk.eobjects.metamodel.data
Class Row

java.lang.Object
  dk.eobjects.metamodel.data.Row

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class Row
extends java.lang.Object
implements java.io.Serializable, java.lang.Cloneable

Represents a row of data in a DataSet. Each row is a mapping between SelectItems and values for each SelectItem.

See Also:

DataSet, SelectItem, Serialized Form

Constructor Summary

Row(SelectItem[] items, java.lang.Object[] values)
Constructs a row from an array of SelectItems and an array of corresponding values

Method Summary

protected Row	clone()
boolean	equals(java.lang.Object obj)
SelectItem[]	getSelectItems()
Row	getSubSelection(SelectItem[] selectItems) Creates a row similar to this one but only with a subset of the select items
java.lang.Object	getValue(Column column) Shorthand method for getting the value of a SelectItem based on the provided column.
java.lang.Object	getValue(int index) Gets the value of the row at a given index
java.lang.Object	getValue(SelectItem item) Gets the value of the provided SelectItem.
java.lang.Object[]	getValues()
int	hashCode()
int	indexOf(SelectItem item) Gets the index of a SelectItem in the row.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Row

public Row(SelectItem[] items,
           java.lang.Object[] values)

Constructs a row from an array of SelectItems and an array of corresponding values

Parameters:

items - the array of SelectItems

values - the array of values

Method Detail

getValue

public java.lang.Object getValue(SelectItem item)

Gets the value of the provided SelectItem.

Parameters:

item -

Returns:

the value that corresponds to the provided SelectItem. Can be null if either the value is null or if no value exists that matches the SelectItem.

getValue

public java.lang.Object getValue(Column column)

Shorthand method for getting the value of a SelectItem based on the provided column. Invoking this method is equivalent to invoking getValue(new SelectItem(column)).

Parameters:

column -

Returns:

the value of the specified column

indexOf

public int indexOf(SelectItem item)

Gets the index of a SelectItem in the row.

Parameters:

item -

Returns:

the index of a SelectItem in the row. If the SelectItem is not found -1 will be returned.

getValue

public java.lang.Object getValue(int index)
                          throws java.lang.ArrayIndexOutOfBoundsException

Gets the value of the row at a given index

Parameters:

index -

Returns:

the value at the specified index

Throws:

java.lang.ArrayIndexOutOfBoundsException - if the provided index is out of range

getSelectItems

public SelectItem[] getSelectItems()

getValues

public java.lang.Object[] getValues()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

clone

protected Row clone()

Overrides:

clone in class java.lang.Object

getSubSelection

public Row getSubSelection(SelectItem[] selectItems)

Creates a row similar to this one but only with a subset of the select items

Parameters:

selectItems -

Returns:

a new Row object containing only the select items requested