org.apache.calcite.util

Class NameMultimap<V>

java.lang.Object

org.apache.calcite.util.NameMultimap<V>

Type Parameters:

V - Value type

public class NameMultimap<V>
extends Object

Multimap whose keys are names and can be accessed with and without case sensitivity.

Constructor Summary

Constructors

Constructor and Description
NameMultimap() Creates a NameMultimap, initially empty.

Method Summary

Modifier and Type	Method and Description
boolean	containsKey(String name, boolean caseSensitive) Returns whether this map contains a given key, with a given case-sensitivity.
boolean	equals(@Nullable Object obj)
int	hashCode()
NavigableMap<String,List<V>>	map() Returns the underlying map.
void	put(String name, V v) Adds an entry to this multimap.
Collection<Map.Entry<String,V>>	range(String name, boolean caseSensitive) Returns a map containing all the entries in this multimap that match the given name.
boolean	remove(String key, V value) Removes all entries that have the given case-sensitive key.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

NameMultimap

public NameMultimap()

Creates a NameMultimap, initially empty.

Method Detail

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(@Nullable Object obj)

Overrides:

equals in class Object

put

public void put(String name,
                V v)

Adds an entry to this multimap.

remove

public boolean remove(String key,
                      V value)

Removes all entries that have the given case-sensitive key.

Returns:

Whether a value was removed

range

public Collection<Map.Entry<String,V>> range(String name,
                                             boolean caseSensitive)

Returns a map containing all the entries in this multimap that match the given name.

containsKey

public boolean containsKey(String name,
                           boolean caseSensitive)

Returns whether this map contains a given key, with a given case-sensitivity.

map

public NavigableMap<String,List<V>> map()

Returns the underlying map. Its size is the number of keys, not the number of values.