Package adams.data.instance
Class InstancePointComparator
- java.lang.Object
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- adams.data.container.DataPointComparator
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- adams.data.instance.InstancePointComparator
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- All Implemented Interfaces:
Serializable
,Comparator
public class InstancePointComparator extends adams.data.container.DataPointComparator
A comparator for InstancePoint objects.- Version:
- $Revision$
- Author:
- fracpete (fracpete at waikato dot ac dot nz)
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description protected boolean
m_UseY
whether to compare Y or X.
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Constructor Summary
Constructors Constructor Description InstancePointComparator()
The default constructor uses comparison by X in ascending manner.InstancePointComparator(boolean useY, boolean ascending)
This constructor initializes the comparator either with comparison by X or by Y.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
compare(adams.data.container.DataPoint o1, adams.data.container.DataPoint o2)
Compares its two arguments for order.boolean
isUsingY()
Returns whether Y or X number is used for ordering.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface java.util.Comparator
equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong
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Constructor Detail
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InstancePointComparator
public InstancePointComparator()
The default constructor uses comparison by X in ascending manner.
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InstancePointComparator
public InstancePointComparator(boolean useY, boolean ascending)
This constructor initializes the comparator either with comparison by X or by Y. Either in ascending manner or descending.- Parameters:
useY
- if true then Y is used for comparison otherwise Xascending
- if true then the ordering is done in ascending manner, otherwise descending
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Method Detail
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isUsingY
public boolean isUsingY()
Returns whether Y or X number is used for ordering.- Returns:
- true if Y is used for ordering
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compare
public int compare(adams.data.container.DataPoint o1, adams.data.container.DataPoint 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 classadams.data.container.DataPointComparator
- Parameters:
o1
- the first objecto2
- 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.
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