Package org.apache.calcite.linq4j

Class GroupingImpl<K,V>

java.lang.Object

org.apache.calcite.linq4j.DefaultEnumerable<T>

org.apache.calcite.linq4j.AbstractEnumerable<V>

org.apache.calcite.linq4j.GroupingImpl<K,V>

Type Parameters:

K - Key type

V - Value type

All Implemented Interfaces:

Iterable<K>, Map.Entry<K,Enumerable<V>>, Enumerable<K>, ExtendedEnumerable<K>, ExtendedOrderedEnumerable<K>, Grouping<K,V>, OrderedEnumerable<K>, RawEnumerable<K>

class GroupingImpl<K,V>
extends AbstractEnumerable<V>
implements Grouping<K,V>, Map.Entry<K,Enumerable<V>>

Implementation of Grouping.

Field Summary

Fields

Modifier and Type	Field	Description
private K	key
private Collection<V>	values

Constructor Summary

Constructors

Constructor	Description
GroupingImpl(K key, Collection<V> values)

Method Summary

Modifier and Type	Method	Description
Enumerator<V>	enumerator()	Returns an enumerator that iterates through a collection.
boolean	equals(Object obj)
K	getKey()	Gets the key of this Grouping.
Enumerable<V>	getValue()
int	hashCode()
Enumerable<V>	setValue(Enumerable<V> value)
String	toString()

Methods inherited from class org.apache.calcite.linq4j.AbstractEnumerable

iterator

Methods inherited from class org.apache.calcite.linq4j.DefaultEnumerable

aggregate, aggregate, aggregate, all, any, any, asEnumerable, asOrderedQueryable, asQueryable, average, average, average, average, average, average, average, average, average, average, cast, concat, contains, contains, correlateJoin, count, count, createOrderedEnumerable, defaultIfEmpty, defaultIfEmpty, distinct, distinct, elementAt, elementAtOrDefault, except, except, first, first, firstOrDefault, firstOrDefault, foreach, getThis, getThisOrdered, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupJoin, groupJoin, intersect, intersect, into, join, join, join, last, last, lastOrDefault, lastOrDefault, longCount, longCount, max, max, max, max, max, max, max, max, max, max, max, max, min, min, min, min, min, min, min, min, min, min, min, min, ofType, orderBy, orderBy, orderByDescending, orderByDescending, removeAll, reverse, select, select, selectMany, selectMany, selectMany, selectMany, sequenceEqual, sequenceEqual, single, single, singleOrDefault, singleOrDefault, skip, skipWhile, skipWhile, sum, sum, sum, sum, sum, sum, sum, sum, sum, sum, take, takeWhile, takeWhile, thenBy, thenBy, thenByDescending, thenByDescending, toList, toLookup, toLookup, toLookup, toLookup, toMap, toMap, toMap, toMap, union, union, where, where, zip

Methods inherited from interface org.apache.calcite.linq4j.Enumerable

asQueryable

Methods inherited from interface org.apache.calcite.linq4j.ExtendedEnumerable

aggregate, aggregate, aggregate, all, any, any, asEnumerable, average, average, average, average, average, average, average, average, average, average, cast, concat, contains, contains, correlateJoin, count, count, defaultIfEmpty, defaultIfEmpty, distinct, distinct, elementAt, elementAtOrDefault, except, except, first, first, firstOrDefault, firstOrDefault, foreach, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupJoin, groupJoin, intersect, intersect, into, join, join, join, last, last, lastOrDefault, lastOrDefault, longCount, longCount, max, max, max, max, max, max, max, max, max, max, max, max, min, min, min, min, min, min, min, min, min, min, min, min, ofType, orderBy, orderBy, orderByDescending, orderByDescending, removeAll, reverse, select, select, selectMany, selectMany, selectMany, selectMany, sequenceEqual, sequenceEqual, single, single, singleOrDefault, singleOrDefault, skip, skipWhile, skipWhile, sum, sum, sum, sum, sum, sum, sum, sum, sum, sum, take, takeWhile, takeWhile, toList, toLookup, toLookup, toLookup, toLookup, toMap, toMap, toMap, toMap, union, union, where, where, zip

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Methods inherited from interface java.util.Map.Entry

comparingByKey, comparingByKey, comparingByValue, comparingByValue

Methods inherited from class java.lang.Object

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

Field Detail

key

private final K key

values

private final Collection<V> values

Constructor Detail

GroupingImpl

GroupingImpl(K key,
             Collection<V> values)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Computes hash code consistent with Map.Entry.hashCode().

Specified by:

hashCode in interface Map.Entry<K,V>

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Specified by:

equals in interface Map.Entry<K,V>

Overrides:

equals in class Object

getValue

public Enumerable<V> getValue()

Specified by:

getValue in interface Map.Entry<K,V>

setValue

public Enumerable<V> setValue(Enumerable<V> value)

Specified by:

setValue in interface Map.Entry<K,V>

getKey

public K getKey()

Description copied from interface: Grouping

Gets the key of this Grouping.

Specified by:

getKey in interface Grouping<K,V>

Specified by:

getKey in interface Map.Entry<K,V>

enumerator

public Enumerator<V> enumerator()

Description copied from interface: RawEnumerable

Returns an enumerator that iterates through a collection.

Specified by:

enumerator in interface RawEnumerable<K>