org.mmbase.bridge.util

Class NodeFieldComparator

java.lang.Object

org.mmbase.bridge.util.NodeFieldComparator

All Implemented Interfaces:

Comparator<Node>

public class NodeFieldComparator
extends Object
implements Comparator<Node>

Comparator two nodes based on the string value in the specified field.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	ascending
protected String	field

Constructor Summary

Constructors

Constructor and Description
NodeFieldComparator(String field) Basic constructor.
NodeFieldComparator(String field, boolean ascending) Basic constructor.

Method Summary

Modifier and Type	Method and Description
int	compare(Node n1, Node n2) Two external source objects are said to be equal only when the two type fields match.

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

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Detail

field

protected String field

ascending

protected boolean ascending

Constructor Detail

NodeFieldComparator

public NodeFieldComparator(String field)

Basic constructor.

Parameters:

field - the node field to compare the nodes on

NodeFieldComparator

public NodeFieldComparator(String field,
                           boolean ascending)

Basic constructor.

Parameters:

field - the node field to compare the nodes on

ascending - sort the list ascending or descending

Method Detail

compare

public int compare(Node n1,
                   Node n2)

Two external source objects are said to be equal only when the two type fields match. The objects to compare can be of type Node.

Specified by:

compare in interface Comparator<Node>

Parameters:

n1 - the first node.

n2 - the second node

Returns:

a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.

See Also:

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