Package com.intellij.psi.util

Class PsiCacheKey<T,H extends PsiElement>

java.lang.Object

com.intellij.openapi.util.Key<SoftReference<Pair<java.lang.Long,T>>>

com.intellij.psi.util.PsiCacheKey<T,H>

public class PsiCacheKey<T,H extends PsiElement>
extends Key<SoftReference<Pair<java.lang.Long,T>>>

Method Summary

Modifier and Type	Method and Description
static <T,H extends PsiElement> PsiCacheKey<T,H>	create(java.lang.String name, Function<? super H,? extends T> function) Creates cache key value using PsiModificationTracker.JAVA_STRUCTURE_MODIFICATION_COUNT as modification count to flush cache
static <T,H extends PsiElement> PsiCacheKey<T,H>	create(java.lang.String name, Function<? super H,? extends T> function, Key<?> modifyCause) Creates cache key value
T	getCachedValueOrNull(H h)
T	getValue(H h)

Methods inherited from class com.intellij.openapi.util.Key

create, equals, findKeyByName, get, get, get, getKeyByIndex, getRequired, hashCode, isIn, set, set, toString

Methods inherited from class java.lang.Object

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

Method Detail

getValue

public final T getValue(H h)

getCachedValueOrNull

public final T getCachedValueOrNull(H h)

create

public static <T,H extends PsiElement> PsiCacheKey<T,H> create(java.lang.String name,
                                                               Function<? super H,? extends T> function,
                                                               Key<?> modifyCause)

Creates cache key value

Type Parameters:

T - value type

H - key type

Parameters:

name - key name

function - function to reproduce new value when old value is stale

modifyCause - one one PsiModificationTracker's constants that marks when to flush cache

Returns:

instance

create

public static <T,H extends PsiElement> PsiCacheKey<T,H> create(java.lang.String name,
                                                               Function<? super H,? extends T> function)

Creates cache key value using PsiModificationTracker.JAVA_STRUCTURE_MODIFICATION_COUNT as modification count to flush cache

Type Parameters:

T - value type

H - key type

Parameters:

name - key name

function - function to reproduce new value when old value is stale

Returns:

instance