org.apache.calcite.linq4j

类 Ord<E>

java.lang.Object

org.apache.calcite.linq4j.Ord<E>

类型参数:

E - Element type

所有已实现的接口:

Map.Entry<Integer,E>

public class Ord<E>
extends Object
implements Map.Entry<Integer,E>

Pair of an element and an ordinal.

字段概要

字段

限定符和类型	字段和说明
E	e
int	i

构造器概要

构造器

构造器和说明
Ord(int i, E e) Creates an Ord.

方法概要

限定符和类型	方法和说明
boolean	equals(@Nullable Object obj)
static <T> void	forEach(Iterable<T> iterable, ObjIntConsumer<? super T> action) Applies an action to every element of an iterable, passing the zero-based ordinal of the element to the action.
static <T> void	forEach(T[] ts, ObjIntConsumer<? super T> action) Applies an action to every element of an array, passing the zero-based ordinal of the element to the action.
Integer	getKey()
E	getValue()
int	hashCode()
static <E> Ord<E>	of(int n, E e) Creates an Ord.
static <E> Iterable<Ord<E>>	reverse(E... elements) Iterates over an array in reverse order.
static <E> Iterable<Ord<E>>	reverse(Iterable<? extends E> elements) Iterates over a list in reverse order.
E	setValue(E value)
static <E> List<Ord<E>>	zip(E[] elements) Returns a numbered list based on an array.
static <E> Iterable<Ord<E>>	zip(Iterable<? extends E> iterable) Creates an iterable of Ords over an iterable.
static <E> Iterator<Ord<E>>	zip(Iterator<? extends E> iterator) Creates an iterator of Ords over an iterator.
static <E> List<Ord<E>>	zip(List<? extends E> elements) Returns a numbered list.

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.util.Map.Entry

comparingByKey, comparingByKey, comparingByValue, comparingByValue

字段详细资料

i

public final int i

e

public final E e

构造器详细资料

Ord

public Ord(int i,
           E e)

Creates an Ord.

方法详细资料

of

public static <E> Ord<E> of(int n,
                            E e)

Creates an Ord.

hashCode

public int hashCode()

指定者:

hashCode 在接口中 Map.Entry<Integer,E>

覆盖:

hashCode 在类中 Object

equals

public boolean equals(@Nullable Object obj)

指定者:

equals 在接口中 Map.Entry<Integer,E>

覆盖:

equals 在类中 Object

zip

public static <E> Iterable<Ord<E>> zip(Iterable<? extends E> iterable)

Creates an iterable of Ords over an iterable.

zip

public static <E> Iterator<Ord<E>> zip(Iterator<? extends E> iterator)

Creates an iterator of Ords over an iterator.

zip

public static <E> List<Ord<E>> zip(E[] elements)

Returns a numbered list based on an array.

zip

public static <E> List<Ord<E>> zip(List<? extends E> elements)

Returns a numbered list.

reverse

@SafeVarargs
public static <E> Iterable<Ord<E>> reverse(E... elements)

Iterates over an array in reverse order.

Given the array ["a", "b", "c"], returns (2, "c") then (1, "b") then (0, "a").

reverse

public static <E> Iterable<Ord<E>> reverse(Iterable<? extends E> elements)

Iterates over a list in reverse order.

Given the list ["a", "b", "c"], returns (2, "c") then (1, "b") then (0, "a").

getKey

public Integer getKey()

指定者:

getKey 在接口中 Map.Entry<Integer,E>

getValue

public E getValue()

指定者:

getValue 在接口中 Map.Entry<Integer,E>

setValue

public E setValue(E value)

指定者:

setValue 在接口中 Map.Entry<Integer,E>

forEach

public static <T> void forEach(Iterable<T> iterable,
                               ObjIntConsumer<? super T> action)

Applies an action to every element of an iterable, passing the zero-based ordinal of the element to the action.

类型参数:

T - Element type

参数:

iterable - Iterable

action - The action to be performed for each element

另请参阅:

Iterable.forEach(java.util.function.Consumer), Map.forEach(java.util.function.BiConsumer)

forEach

public static <T> void forEach(T[] ts,
                               ObjIntConsumer<? super T> action)

Applies an action to every element of an array, passing the zero-based ordinal of the element to the action.

类型参数:

T - Element type

参数:

ts - Array

action - The action to be performed for each element

另请参阅:

Iterable.forEach(java.util.function.Consumer), Map.forEach(java.util.function.BiConsumer)