ColumnVisibility.NodeComparator (Apache Accumulo Core 2.1.0 API)

java.lang.Object
- org.apache.accumulo.core.security.ColumnVisibility.NodeComparator

All Implemented Interfaces:

Serializable, Comparator<ColumnVisibility.Node>

Enclosing class:

ColumnVisibility
```
public static class ColumnVisibility.NodeComparator
extends Object
implements Comparator<ColumnVisibility.Node>, Serializable
```
A node comparator. Nodes sort according to node type, terms sort lexicographically. AND and OR nodes sort by number of children, or if the same by corresponding children.

See Also:

Serialized Form

- Constructor Summary
  
  Constructors
  Constructor Description
  
  NodeComparator(byte[] text)
  Creates a new comparator.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  int compare(ColumnVisibility.Node a, ColumnVisibility.Node b)
  - 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 Detail
  - NodeComparator
```
public NodeComparator(byte[] text)
```
    Creates a new comparator.
    
    Parameters:
    
    text - expression string, encoded in UTF-8
- Method Detail
  - compare
```
public int compare(ColumnVisibility.Node a,
                   ColumnVisibility.Node b)
```
    Specified by:
    
    compare in interface Comparator<ColumnVisibility.Node>