com.bigdata.bop

Class NV

java.lang.Object

com.bigdata.bop.NV

All Implemented Interfaces:

Serializable, Comparable<NV>

public class NV
extends Object
implements Serializable, Comparable<NV>

A name-value pair.

Version:

$Id$

Author:

Bryan Thompson

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NV(String name, Object value)

Method Summary

Methods

Modifier and Type	Method and Description
static Map<String,Object>	asMap(NV... a) Wrap an array name/value pairs as a Map.
static Map<String,Object>	asMap(Object... nameValuePairs) Wrap name/value pairs as a map.
static Map<String,Object>	asMap(String name, Object val) Wrap a single name and value as a map.
int	compareTo(NV o) Places into order by name.
static NV[]	concat(NV[] a, NV[] b) Combines the two arrays, appending the contents of the 2nd array to the contents of the first array.
boolean	equals(Object o)
String	getName()
Object	getValue()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

NV

public NV(String name,
  Object value)

Throws:

IllegalArgumentException - if the name is null.

Method Detail

getName

public String getName()

getValue

public Object getValue()

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

compareTo

public int compareTo(NV o)

Places into order by name.

Specified by:

compareTo in interface Comparable<NV>

concat

public static NV[] concat(NV[] a,
          NV[] b)

Combines the two arrays, appending the contents of the 2nd array to the contents of the first array.

Parameters:

a -

b -

Returns:

asMap

public static Map<String,Object> asMap(String name,
                       Object val)

Wrap a single name and value as a map.

Parameters:

name - The key.

val - The value.

Returns:

The map.

asMap

public static Map<String,Object> asMap(Object... nameValuePairs)

Wrap name/value pairs as a map.

Parameters:

nameValuePairs - Pairs each being a string followed by an object, being the name value pair in the resulting map.

Returns:

The map.

asMap

public static Map<String,Object> asMap(NV... a)

Wrap an array name/value pairs as a Map.

Parameters:

a - The array.

Returns:

The map.