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This commit is contained in:
Alexey Kudravtsev
2011-04-27 13:41:01 +04:00
parent 11740da157
commit 2eec599d3f
1 changed files with 5 additions and 4 deletions
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platform/lang-api/src/com/intellij/psi/util/PsiCacheKey.java
+5 -4
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@@ -25,17 +25,18 @@ import com.intellij.openapi.util.UserDataHolderEx;
import com.intellij.psi.PsiElement;
import com.intellij.util.Function;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class PsiCacheKey<T,H extends PsiElement> extends Key<Pair<Long, T>> {
private final Function<H,T> myFunction;
private PsiCacheKey(@NonNls String name, final Function<H, T> function) {
private PsiCacheKey(@NonNls @NotNull String name, @NotNull Function<H, T> function) {
super(name);
myFunction = function;
}
public final T getValue(H h) {
public final T getValue(@NotNull H h) {
while (true) {
Pair<Long, T> data = h.getUserData(this);
@@ -59,7 +60,7 @@ public class PsiCacheKey<T,H extends PsiElement> extends Key<Pair<Long, T>> {
}
@Nullable
public final T getCachedValueOrNull(H h) {
public final T getCachedValueOrNull(@NotNull H h) {
Pair<Long, T> data = h.getUserData(this);
final long count = h.getManager().getModificationTracker().getJavaStructureModificationCount();
if (data == null || data.getFirst() != count) {
@@ -69,7 +70,7 @@ public class PsiCacheKey<T,H extends PsiElement> extends Key<Pair<Long, T>> {
return data.getSecond();
}
public static <T,H extends PsiElement> PsiCacheKey<T,H> create(@NonNls String name, final Function<H, T> function) {
public static <T,H extends PsiElement> PsiCacheKey<T,H> create(@NonNls @NotNull String name, @NotNull Function<H, T> function) {
return new PsiCacheKey<T,H>(name, function);
}
}