com.mindtree.techworks.insight.model
Class ModelDataSorter

java.lang.Object
  com.mindtree.techworks.insight.model.ModelDataSorter

All Implemented Interfaces:

java.util.Comparator

public class ModelDataSorter
extends java.lang.Object
implements java.util.Comparator

The ModelDataSorter class implements sorting of data held by the TableModel that it refers to. Provides methods to invoke sorting by specifying the column index and the data list. Maintains map of sorted columns and their sorting order such that consecutive calls to sort on a column flips the sorting order.

Version:

1.0, 04/11/03

Author:

Regunath B

See Also:

LoggingEvent

Field Summary

static int	ASCENDING
static int	DESCENDING
static int	NOTSORTED

Constructor Summary

ModelDataSorter()

Method Summary

int	compare(java.lang.Object arg0, java.lang.Object arg1) Comparator interface method implementation
int	getSortOrder(int columnIndex) Returns the sort order for the column specified by the columnIndex
void	resetSortParams() Resets the parameters that define the sorting of this ModelDataSorter
void	sortData(int columnIndex, java.util.List data) Sorts the specified column data in the specified list.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Field Detail

ASCENDING

public static final int ASCENDING

See Also:

Constant Field Values

DESCENDING

public static final int DESCENDING

See Also:

Constant Field Values

NOTSORTED

public static final int NOTSORTED

See Also:

Constant Field Values

Constructor Detail

ModelDataSorter

public ModelDataSorter()

Method Detail

sortData

public void sortData(int columnIndex,
                     java.util.List data)

Sorts the specified column data in the specified list. Toggles the sort order if the column had been sorted previously. Does nothing if this sorter is already sorting data

Parameters:

columnIndex - index of the column whose data needs to be sorted

data - List containing data to be sorted

getSortOrder

public int getSortOrder(int columnIndex)

Returns the sort order for the column specified by the columnIndex

Parameters:

columnIndex - the index of the column whose sort order is needed

Returns:

the valid sort order as defined by this class

compare

public int compare(java.lang.Object arg0,
                   java.lang.Object arg1)

Comparator interface method implementation

Specified by:

compare in interface java.util.Comparator

See Also:

Comparator.compare(java.lang.Object, java.lang.Object)

resetSortParams

public void resetSortParams()

Resets the parameters that define the sorting of this ModelDataSorter