Package org.openscience.cdk.tools

Class ElementComparator

java.lang.Object

org.openscience.cdk.tools.ElementComparator

All Implemented Interfaces:

Comparator<String>

public class ElementComparator
extends Object
implements Comparator<String>

Compares elements based on the order commonly used in molecular formula. Order: C, H, other elements in alphabetic order.

Source code:

main

Belongs to CDK module:

standard

Keywords:

element, sorting

Constructor Summary

Constructors

Constructor	Description
ElementComparator()

Method Summary

Modifier and Type	Method	Description
int	compare(String o1, String o2)	Returns a negative if o1 comes before o2 in a molecular formula, returns zero if they are identical, and positive if o1 comes after o2 in the formula.

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

Constructor Details

ElementComparator

public ElementComparator()

Method Details

compare

public int compare(String o1,
 String o2)

Returns a negative if o1 comes before o2 in a molecular formula, returns zero if they are identical, and positive if o1 comes after o2 in the formula.

Specified by:

compare in interface Comparator<String>