org.apache.calcite.util

Class NameSet

java.lang.Object

org.apache.calcite.util.NameSet

public class NameSet
extends Object

Set of names that can be accessed with and without case sensitivity.

Field Summary

Fields

Modifier and Type	Field and Description
static Comparator<String>	COMPARATOR

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	add(String name)
boolean	contains(String name, boolean caseSensitive) Returns whether this set contains the given name, with a given case-sensitivity.
boolean	equals(@Nullable Object obj)
int	hashCode()
static NameSet	immutableCopyOf(Set<String> names) Creates a NameSet that is an immutable copy of a given collection.
Iterable<String>	iterable() Returns the contents as an iterable.
Collection<String>	range(String name, boolean caseSensitive) Returns an iterable over all the entries in the set that match the given name.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

COMPARATOR

public static final Comparator<String> COMPARATOR

Constructor Detail

NameSet

public NameSet()

Creates a NameSet, initially empty.

Method Detail

immutableCopyOf

public static NameSet immutableCopyOf(Set<String> names)

Creates a NameSet that is an immutable copy of a given collection.

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

add

public void add(String name)

range

public Collection<String> range(String name,
                                boolean caseSensitive)

Returns an iterable over all the entries in the set that match the given name. If case-sensitive, that iterable will have 0 or 1 elements; if case-insensitive, it may have 0 or more.

contains

public boolean contains(String name,
                        boolean caseSensitive)

Returns whether this set contains the given name, with a given case-sensitivity.

iterable

public Iterable<String> iterable()

Returns the contents as an iterable.