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.

Field Summary

Fields

Modifier and Type	Field and Description
private NavigableMap<String,List<V>>	map

Constructor Summary

Constructors

Modifier	Constructor and Description
	NameMultimap() Creates a NameMultimap, initially empty.
private	NameMultimap(NavigableMap<String,List<V>> map) Creates a NameMultimap based on an existing map.

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.
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.

Methods inherited from class java.lang.Object

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

Field Detail

map

private final NavigableMap<String,List<V>> map

Constructor Detail

NameMultimap

private NameMultimap(NavigableMap<String,List<V>> map)

Creates a NameMultimap based on an existing map.

NameMultimap

public NameMultimap()

Creates a NameMultimap, initially empty.

Method Detail

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.