Class Pairs

java.lang.Object

com.google.adk.utils.Pairs

public final class Pairs
extends Object

Utility class for creating ConcurrentHashMaps.

Method Summary

Modifier and Type	Method	Description
static <K,V> ConcurrentHashMap<K,V>	of()	Returns a new, empty ConcurrentHashMap.
static <K,V> ConcurrentHashMap<K,V>	of(K k1, V v1)	Returns a new ConcurrentHashMap containing a single mapping.
static <K,V> ConcurrentHashMap<K,V>	of(K k1, V v1, K k2, V v2)	Returns a new ConcurrentHashMap containing two mappings.
static <K,V> ConcurrentHashMap<K,V>	of(K k1, V v1, K k2, V v2, K k3, V v3)	Returns a new ConcurrentHashMap containing three mappings.
static <K,V> ConcurrentHashMap<K,V>	of(K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4)	Returns a new ConcurrentHashMap containing four mappings.
static <K,V> ConcurrentHashMap<K,V>	of(K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4, K k5, V v5)	Returns a new ConcurrentHashMap containing five mappings.
static <K,V> ConcurrentHashMap<K,V>	of(K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4, K k5, V v5, K k6, V v6)	Returns a new ConcurrentHashMap containing six mappings.
static <K,V> ConcurrentHashMap<K,V>	of(K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4, K k5, V v5, K k6, V v6, K k7, V v7)	Returns a new ConcurrentHashMap containing seven mappings.
static <K,V> ConcurrentHashMap<K,V>	of(K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4, K k5, V v5, K k6, V v6, K k7, V v7, K k8, V v8)	Returns a new ConcurrentHashMap containing eight mappings.
static <K,V> ConcurrentHashMap<K,V>	of(K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4, K k5, V v5, K k6, V v6, K k7, V v7, K k8, V v8, K k9, V v9)	Returns a new ConcurrentHashMap containing nine mappings.
static <K,V> ConcurrentHashMap<K,V>	of(K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4, K k5, V v5, K k6, V v6, K k7, V v7, K k8, V v8, K k9, V v9, K k10, V v10)	Returns a new ConcurrentHashMap containing ten mappings.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

of

public static <K,V> ConcurrentHashMap<K,V> of()

Returns a new, empty ConcurrentHashMap.

Type Parameters:

K - the ConcurrentHashMap's key type

V - the ConcurrentHashMap's value type

Returns:

an empty ConcurrentHashMap

of

public static <K,V> ConcurrentHashMap<K,V> of(K k1,
 V v1)

Returns a new ConcurrentHashMap containing a single mapping.

Type Parameters:

K - the ConcurrentHashMap's key type

V - the ConcurrentHashMap's value type

Parameters:

k1 - the mapping's key

v1 - the mapping's value

Returns:

a ConcurrentHashMap containing the specified mapping

Throws:

NullPointerException - if the key or the value is null

of

public static <K,V> ConcurrentHashMap<K,V> of(K k1,
 V v1,
 K k2,
 V v2)

Returns a new ConcurrentHashMap containing two mappings. This method leverages java.util.Map.of for initial validation.

Type Parameters:

K - the ConcurrentHashMap's key type

V - the ConcurrentHashMap's value type

Parameters:

k1 - the first mapping's key

v1 - the first mapping's value

k2 - the second mapping's key

v2 - the second mapping's value

Returns:

a ConcurrentHashMap containing the specified mappings

of

public static <K,V> ConcurrentHashMap<K,V> of(K k1,
 V v1,
 K k2,
 V v2,
 K k3,
 V v3)

Returns a new ConcurrentHashMap containing three mappings. This method leverages java.util.Map.of for initial validation.

Type Parameters:

K - the ConcurrentHashMap's key type

V - the ConcurrentHashMap's value type

Parameters:

k1 - the first mapping's key

v1 - the first mapping's value

k2 - the second mapping's key

v2 - the second mapping's value

k3 - the third mapping's key

v3 - the third mapping's value

Returns:

a ConcurrentHashMap containing the specified mappings

of

public static <K,V> ConcurrentHashMap<K,V> of(K k1,
 V v1,
 K k2,
 V v2,
 K k3,
 V v3,
 K k4,
 V v4)

Returns a new ConcurrentHashMap containing four mappings. This method leverages java.util.Map.of for initial validation.

Type Parameters:

K - the ConcurrentHashMap's key type

V - the ConcurrentHashMap's value type

Parameters:

k1 - the first mapping's key

v1 - the first mapping's value

k2 - the second mapping's key

v2 - the second mapping's value

k3 - the third mapping's key

v3 - the third mapping's value

k4 - the fourth mapping's key

v4 - the fourth mapping's value

Returns:

a ConcurrentHashMap containing the specified mappings

of

public static <K,V> ConcurrentHashMap<K,V> of(K k1,
 V v1,
 K k2,
 V v2,
 K k3,
 V v3,
 K k4,
 V v4,
 K k5,
 V v5)

Returns a new ConcurrentHashMap containing five mappings. This method leverages java.util.Map.of for initial validation.

Type Parameters:

K - the ConcurrentHashMap's key type

V - the ConcurrentHashMap's value type

Parameters:

k1 - the first mapping's key

v1 - the first mapping's value

k2 - the second mapping's key

v2 - the second mapping's value

k3 - the third mapping's key

v3 - the third mapping's value

k4 - the fourth mapping's key

v4 - the fourth mapping's value

k5 - the fifth mapping's key

v5 - the fifth mapping's value

Returns:

a ConcurrentHashMap containing the specified mappings

of

public static <K,V> ConcurrentHashMap<K,V> of(K k1,
 V v1,
 K k2,
 V v2,
 K k3,
 V v3,
 K k4,
 V v4,
 K k5,
 V v5,
 K k6,
 V v6)

Returns a new ConcurrentHashMap containing six mappings. This method leverages java.util.Map.of for initial validation.

Type Parameters:

K - the ConcurrentHashMap's key type

V - the ConcurrentHashMap's value type

Parameters:

k1 - the first mapping's key

v1 - the first mapping's value

k2 - the second mapping's key

v2 - the second mapping's value

k3 - the third mapping's key

v3 - the third mapping's value

k4 - the fourth mapping's key

v4 - the fourth mapping's value

k5 - the fifth mapping's key

v5 - the fifth mapping's value

k6 - the sixth mapping's key

v6 - the sixth mapping's value

Returns:

a ConcurrentHashMap containing the specified mappings

Throws:

IllegalArgumentException - if there are any duplicate keys (behavior inherited from Map.of)

NullPointerException - if any key or value is null (behavior inherited from Map.of)

of

public static <K,V> ConcurrentHashMap<K,V> of(K k1,
 V v1,
 K k2,
 V v2,
 K k3,
 V v3,
 K k4,
 V v4,
 K k5,
 V v5,
 K k6,
 V v6,
 K k7,
 V v7)

Returns a new ConcurrentHashMap containing seven mappings. This method leverages java.util.Map.of for initial validation.

Type Parameters:

K - the ConcurrentHashMap's key type

V - the ConcurrentHashMap's value type

Parameters:

k1 - the first mapping's key

v1 - the first mapping's value

k2 - the second mapping's key

v2 - the second mapping's value

k3 - the third mapping's key

v3 - the third mapping's value

k4 - the fourth mapping's key

v4 - the fourth mapping's value

k5 - the fifth mapping's key

v5 - the fifth mapping's value

k6 - the sixth mapping's key

v6 - the sixth mapping's value

k7 - the seventh mapping's key

v7 - the seventh mapping's value

Returns:

a ConcurrentHashMap containing the specified mappings

of

public static <K,V> ConcurrentHashMap<K,V> of(K k1,
 V v1,
 K k2,
 V v2,
 K k3,
 V v3,
 K k4,
 V v4,
 K k5,
 V v5,
 K k6,
 V v6,
 K k7,
 V v7,
 K k8,
 V v8)

Returns a new ConcurrentHashMap containing eight mappings. This method leverages java.util.Map.of for initial validation.

Type Parameters:

K - the ConcurrentHashMap's key type

V - the ConcurrentHashMap's value type

Parameters:

k1 - the first mapping's key

v1 - the first mapping's value

k2 - the second mapping's key

v2 - the second mapping's value

k3 - the third mapping's key

v3 - the third mapping's value

k4 - the fourth mapping's key

v4 - the fourth mapping's value

k5 - the fifth mapping's key

v5 - the fifth mapping's value

k6 - the sixth mapping's key

v6 - the sixth mapping's value

k7 - the seventh mapping's key

v7 - the seventh mapping's value

k8 - the eighth mapping's key

v8 - the eighth mapping's value

Returns:

a ConcurrentHashMap containing the specified mappings

of

public static <K,V> ConcurrentHashMap<K,V> of(K k1,
 V v1,
 K k2,
 V v2,
 K k3,
 V v3,
 K k4,
 V v4,
 K k5,
 V v5,
 K k6,
 V v6,
 K k7,
 V v7,
 K k8,
 V v8,
 K k9,
 V v9)

Returns a new ConcurrentHashMap containing nine mappings. This method leverages java.util.Map.of for initial validation.

Type Parameters:

K - the ConcurrentHashMap's key type

V - the ConcurrentHashMap's value type

Parameters:

k1 - the first mapping's key

v1 - the first mapping's value

k2 - the second mapping's key

v2 - the second mapping's value

k3 - the third mapping's key

v3 - the third mapping's value

k4 - the fourth mapping's key

v4 - the fourth mapping's value

k5 - the fifth mapping's key

v5 - the fifth mapping's value

k6 - the sixth mapping's key

v6 - the sixth mapping's value

k7 - the seventh mapping's key

v7 - the seventh mapping's value

k8 - the eighth mapping's key

v8 - the eighth mapping's value

k9 - the ninth mapping's key

v9 - the ninth mapping's value

Returns:

a ConcurrentHashMap containing the specified mappings

of

public static <K,V> ConcurrentHashMap<K,V> of(K k1,
 V v1,
 K k2,
 V v2,
 K k3,
 V v3,
 K k4,
 V v4,
 K k5,
 V v5,
 K k6,
 V v6,
 K k7,
 V v7,
 K k8,
 V v8,
 K k9,
 V v9,
 K k10,
 V v10)

Returns a new ConcurrentHashMap containing ten mappings. This method leverages java.util.Map.of for initial validation.

Type Parameters:

K - the ConcurrentHashMap's key type

V - the ConcurrentHashMap's value type

Parameters:

k1 - the first mapping's key

v1 - the first mapping's value

k2 - the second mapping's key

v2 - the second mapping's value

k3 - the third mapping's key

v3 - the third mapping's value

k4 - the fourth mapping's key

v4 - the fourth mapping's value

k5 - the fifth mapping's key

v5 - the fifth mapping's value

k6 - the sixth mapping's key

v6 - the sixth mapping's value

k7 - the seventh mapping's key

v7 - the seventh mapping's value

k8 - the eighth mapping's key

v8 - the eighth mapping's value

k9 - the ninth mapping's key

v9 - the ninth mapping's value

k10 - the tenth mapping's key

v10 - the tenth mapping's value

Returns:

a ConcurrentHashMap containing the specified mappings