DataPointComparator (adams-pom 24.5.0-SNAPSHOT API)

java.lang.Object
- adams.data.container.DataPointComparator<T>

All Implemented Interfaces:

Serializable, Comparator<T>

Direct Known Subclasses:

InstancePointComparator, SpreadSheetRowPointComparator, TimeseriesPointComparator, XYSequencePointComparator
```
public abstract class DataPointComparator<T extends DataPoint>
extends Object
implements Comparator<T>, Serializable
```
A comparator for sequence points.

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

protected boolean m_Ascending
whether the ordering is ascending or descending.

Constructor Summary

Constructors
Constructor	Description
`DataPointComparator()`	The default constructor uses comparison in ascending manner.
`DataPointComparator(boolean ascending)`	This constructor initializes the comparator either in ascending manner or descending.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract int`	`compare(T o1, T o2)`	Compares its two arguments for order.
`boolean`	`isAscending()`	Returns whether the ordering is done in ascending or descending manner.

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, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

- Field Detail
  - m_Ascending
```
protected boolean m_Ascending
```
    whether the ordering is ascending or descending.
- Constructor Detail
  - DataPointComparator
```
public DataPointComparator()
```
    The default constructor uses comparison in ascending manner.
  - DataPointComparator
```
public DataPointComparator(boolean ascending)
```
    This constructor initializes the comparator either in ascending manner or descending.
    
    Parameters:
    
    ascending - if true then the ordering is done in ascending manner, otherwise descending
- Method Detail
  - isAscending
```
public boolean isAscending()
```
    Returns whether the ordering is done in ascending or descending manner.
    
    Returns:
    
    true if ordering it in ascending manner
  - compare
```
public abstract int compare(T o1,
                            T o2)
```
    Compares its two arguments for order. Returns a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.
    
    Specified by:
    
    compare in interface Comparator<T extends DataPoint>
    
    Parameters:
    
    o1 - the first object
    
    o2 - the second object
    
    Returns:
    
    a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.