Module aya.ij.util.text

Package com.intellij.openapi.util

Class Comparing

java.lang.Object

com.intellij.openapi.util.Comparing

public final class Comparing
extends Object

Null-safe equal methods.

Method Summary

Modifier and Type	Method	Description
static int	compare(boolean o1, boolean o2)	Deprecated. use Boolean.compare(boolean, boolean) instead
static int	compare(byte @Nullable [] o1, byte @Nullable [] o2)
static int	compare(byte o1, byte o2)	Deprecated. use Byte.compare(byte, byte) instead
static int	compare(double o1, double o2)	Deprecated. use Double.compare(double, double) instead
static int	compare(int o1, int o2)	Deprecated. use Integer.compare(int, int) instead
static int	compare(long o1, long o2)	Deprecated. use Long.compare(long, long) instead
static <T extends Comparable<? super T>> int	compare(T o1, T o2)
static <T> int	compare(T o1, T o2, @NotNull Comparator<? super T> notNullComparator)	Performs null-safe comparison delegating to notNullComparator for not-null values.
static boolean	equal(@Nullable CharSequence s1, @Nullable CharSequence s2, boolean caseSensitive)
static boolean	equal(@Nullable String arg1, @Nullable String arg2)	Deprecated. Use Objects.equals(Object, Object)
static boolean	equal(@Nullable String arg1, @Nullable String arg2, boolean caseSensitive)
static <T> boolean	equal(@Nullable T[] arr1, @Nullable T[] arr2)	Deprecated, for removal: This API element is subject to removal in a future version. same as Arrays.equals(Object[], Object[])
static boolean	equal(CharSequence s1, CharSequence s2)
static <T> boolean	equal(T arg1, T arg2)
static int	hashcode(@Nullable Object obj)
static int	hashcode(Object obj1, Object obj2)
static <T> boolean	haveEqualElements(@NotNull Collection<? extends T> a, @NotNull Collection<? extends T> b)
static <T> boolean	haveEqualElements(@Nullable T[] a, @Nullable T[] b)
static boolean	strEqual(@Nullable String arg1, @Nullable String arg2)	Unlike Objects.equals(Object, Object), considers null and "" equal.
static boolean	strEqual(@Nullable String arg1, @Nullable String arg2, boolean caseSensitive)	Unlike equal(String, String, boolean), considers null and "" equal.
static int	unorderedHashcode(@NotNull Collection<?> collection)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

equal

@Contract(value="null,!null -> false; !null,null -> false; null,null -> true",
          pure=true)
public static <T> boolean equal(@Nullable
 T arg1,
 @Nullable
 T arg2)

equal

@Deprecated(forRemoval=true)
public static <T> boolean equal(@Nullable
 @Nullable T[] arr1,
 @Nullable
 @Nullable T[] arr2)

Deprecated, for removal: This API element is subject to removal in a future version.

same as Arrays.equals(Object[], Object[])

equal

@Contract(value="null,!null -> false; !null,null -> false; null,null -> true",
          pure=true)
public static boolean equal(CharSequence s1,
 CharSequence s2)

equal

@Contract(value="null,!null,_ -> false; !null,null,_ -> false; null,null,_ -> true",
          pure=true)
public static boolean equal(@Nullable
 @Nullable CharSequence s1,
 @Nullable
 @Nullable CharSequence s2,
 boolean caseSensitive)

equal

@Deprecated
@Contract(value="null,!null -> false; !null,null -> false; null,null -> true",
          pure=true)
public static boolean equal(@Nullable
 @Nullable String arg1,
 @Nullable
 @Nullable String arg2)

Deprecated.

Use Objects.equals(Object, Object)

equal

@Contract(value="null,!null,_ -> false; !null,null,_ -> false; null,null,_ -> true",
          pure=true)
public static boolean equal(@Nullable
 @Nullable String arg1,
 @Nullable
 @Nullable String arg2,
 boolean caseSensitive)

strEqual

public static boolean strEqual(@Nullable
 @Nullable String arg1,
 @Nullable
 @Nullable String arg2)

Unlike Objects.equals(Object, Object), considers null and "" equal.

strEqual

public static boolean strEqual(@Nullable
 @Nullable String arg1,
 @Nullable
 @Nullable String arg2,
 boolean caseSensitive)

Unlike equal(String, String, boolean), considers null and "" equal.

haveEqualElements

public static <T> boolean haveEqualElements(@NotNull
 @NotNull Collection<? extends T> a,
 @NotNull
 @NotNull Collection<? extends T> b)

haveEqualElements

public static <T> boolean haveEqualElements(@Nullable
 @Nullable T[] a,
 @Nullable
 @Nullable T[] b)

hashcode

public static int hashcode(@Nullable
 @Nullable Object obj)

hashcode

public static int hashcode(Object obj1,
 Object obj2)

unorderedHashcode

public static int unorderedHashcode(@NotNull
 @NotNull Collection<?> collection)

See Also:

• AbstractSet.hashCode()

compare

@Deprecated
public static int compare(byte o1,
 byte o2)

Deprecated.

use Byte.compare(byte, byte) instead

compare

@Deprecated
public static int compare(boolean o1,
 boolean o2)

Deprecated.

use Boolean.compare(boolean, boolean) instead

compare

@Deprecated
public static int compare(int o1,
 int o2)

Deprecated.

use Integer.compare(int, int) instead

compare

@Deprecated
public static int compare(long o1,
 long o2)

Deprecated.

use Long.compare(long, long) instead

compare

@Deprecated
public static int compare(double o1,
 double o2)

Deprecated.

use Double.compare(double, double) instead

compare

public static int compare(byte @Nullable [] o1,
 byte @Nullable [] o2)

compare

public static <T extends Comparable<? super T>> int compare(@Nullable
 T o1,
 @Nullable
 T o2)

compare

@Obsolete
public static <T> int compare(@Nullable
 T o1,
 @Nullable
 T o2,
 @NotNull
 @NotNull Comparator<? super T> notNullComparator)

Performs null-safe comparison delegating to notNullComparator for not-null values. Consider using Comparator.nullsFirst instead.