Package com.intellij.openapi.util

Class Key<T>

java.lang.Object

com.intellij.openapi.util.Key<T>

public class Key<T>
extends Object

Provides type-safe access to data.

Constructor Summary

Constructors

Constructor	Description
Key(String name)

Method Summary

Modifier and Type	Method	Description
static <T> Key<T>	create(String name)
final boolean	equals(Object obj)
T	get(Map<Key,?> holder)
static <T> Key<T>	getKeyByIndex(int index)
final int	hashCode()
void	set(Map<Key,Object> holder, T value)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

Key

public Key(@NotNull @NonNls
 String name)

Method Details

hashCode

public final int hashCode()

Overrides:

hashCode in class Object

equals

public final boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

create

public static <T> Key<T> create(@NotNull @NonNls
 String name)

get

public T get(@Nullable
 Map<Key,?> holder)

set

public void set(@Nullable
 Map<Key,Object> holder,
 T value)

getKeyByIndex

@Nullable("can become null if the key has been gc-ed")
public static <T> Key<T> getKeyByIndex(int index)