Pair (Apache HBase 1.2.12 API)

java.lang.Object
- org.apache.hadoop.hbase.util.Pair<T1,T2>

Type Parameters:: T1 -; T2 -

All Implemented Interfaces:: Serializable

@InterfaceAudience.Public
@InterfaceStability.Stable
public class Pair<T1,T2>
extends Object
implements Serializable

A generic class for pairs.

See Also:: Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

protected T1 first

protected T2 second

private static long serialVersionUID

Fields
Modifier and Type	Field and Description
`protected T1`	`first`
`protected T2`	`second`
`private static long`	`serialVersionUID`

Constructor Summary

Constructors
Constructor and Description

Pair()
Default constructor.

Pair(T1 a, T2 b)
Constructor

Constructors
Constructor and Description
`Pair()` Default constructor.
`Pair(T1 a, T2 b)` Constructor

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`equals(Object other)`
`private static boolean`	`equals(Object x, Object y)`
`T1`	`getFirst()` Return the first element stored in the pair.
`T2`	`getSecond()` Return the second element stored in the pair.
`int`	`hashCode()`
`static <T1,T2> Pair<T1,T2>`	`newPair(T1 a, T2 b)` Constructs a new pair, inferring the type via the passed arguments
`void`	`setFirst(T1 a)` Replace the first element of the pair.
`void`	`setSecond(T2 b)` Replace the second element of the pair.
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - serialVersionUID
```
private static final long serialVersionUID
```
    See Also:
    Constant Field Values
  - first
```
protected T1 first
```
  - second
```
protected T2 second
```
- Constructor Detail
  - Pair
```
public Pair()
```
    Default constructor.
  - Pair
```
public Pair(T1 a,
    T2 b)
```
    Constructor
    
    Parameters:
    a - operand
    b - operand
- Method Detail
  - newPair
```
public static <T1,T2> Pair<T1,T2> newPair(T1 a,
                          T2 b)
```
    Constructs a new pair, inferring the type via the passed arguments
    
    Type Parameters:
    T1 - type for first
    T2 - type for second
    Parameters:
    a - first element
    b - second element
    
    Returns:
    a new pair containing the passed arguments
  - setFirst
```
public void setFirst(T1 a)
```
    Replace the first element of the pair.
    
    Parameters:
    a - operand
  - setSecond
```
public void setSecond(T2 b)
```
    Replace the second element of the pair.
    
    Parameters:
    b - operand
  - getFirst
```
public T1 getFirst()
```
    Return the first element stored in the pair.
    
    Returns:
    T1
  - getSecond
```
public T2 getSecond()
```
    Return the second element stored in the pair.
    
    Returns:
    T2
  - equals
```
private static boolean equals(Object x,
             Object y)
```
  - equals
```
public boolean equals(Object other)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class Pair<T1,T2>

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

serialVersionUID

first

second

Constructor Detail

Pair

Pair

Method Detail

newPair

setFirst

setSecond

getFirst

getSecond

equals

equals

hashCode

toString