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correct contract

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This commit is contained in:
Alexey Kudravtsev
2018-08-17 15:22:12 +03:00
parent e8c2d857b7
commit b676817ad3
1 changed files with 4 additions and 4 deletions
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platform/util/src/com/intellij/util/ObjectUtils.java
+4 -4
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@@ -58,17 +58,17 @@ public class ObjectUtils {
}
}
@Contract(value = "!null, _ -> !null; _, !null -> !null; _, _ -> null", pure = true)
@Contract(value = "!null, _ -> !null; _, !null -> !null; null, null -> null", pure = true)
public static <T> T chooseNotNull(@Nullable T t1, @Nullable T t2) {
return t1 == null? t2 : t1;
}
@Contract(value = "!null, _ -> !null; _, !null -> !null; _, _ -> null", pure = true)
@Contract(value = "!null, _ -> !null; _, !null -> !null; null, null -> null", pure = true)
public static <T> T coalesce(@Nullable T t1, @Nullable T t2) {
return chooseNotNull(t1, t2);
}
@Contract(value = "!null, _, _ -> !null; _, !null, _ -> !null; _, _, !null -> !null; _,_,_ -> null", pure = true)
@Contract(value = "!null, _, _ -> !null; _, !null, _ -> !null; _, _, !null -> !null; null,null,null -> null", pure = true)
public static <T> T coalesce(@Nullable T t1, @Nullable T t2, @Nullable T t3) {
return t1 != null ? t1 : t2 != null ? t2 : t3;
}
@@ -130,7 +130,7 @@ public class ObjectUtils {
@Nullable
@Contract("null, _ -> null")
public static <T> T nullizeByCondition(@Nullable final T obj, @NotNull final Condition<T> condition) {
public static <T> T nullizeByCondition(@Nullable final T obj, @NotNull final Condition<? super T> condition) {
if (condition.value(obj)) {
return null;
}