io.sentry.util

Class CollectionUtils

java.lang.Object

io.sentry.util.CollectionUtils

@ApiStatus.Internal
public final class CollectionUtils
extends java.lang.Object

Util class for Collections

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	CollectionUtils.Predicate<T> A simplified copy of Java 8 Predicate.

Method Summary

Modifier and Type	Method and Description
static <K,V> @NotNull java.util.Map<K,V>	filterMapEntries(@NotNull java.util.Map<K,V> map, @NotNull CollectionUtils.Predicate<java.util.Map.Entry<K,V>> predicate) Returns a new map which entries match a predicate specified by a parameter.
static <T> @Nullable java.util.List<T>	newArrayList(@Nullable java.util.List<T> list) Creates a new ArrayList as a shallow copy of list given by parameter.
static <K,V> @Nullable java.util.Map<K,V>	newConcurrentHashMap(@Nullable java.util.Map<K,V> map) Creates a new ConcurrentHashMap as a shallow copy of map given by parameter.
static <K,V> @Nullable java.util.Map<K,V>	newHashMap(@Nullable java.util.Map<K,V> map) Creates a new HashMap as a shallow copy of map given by parameter.
static int	size(@NotNull java.lang.Iterable<?> data) Returns an Iterator size

Methods inherited from class java.lang.Object

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

Method Detail

size

public static int size(@NotNull
                       @NotNull java.lang.Iterable<?> data)

Returns an Iterator size

Parameters:

data - the Iterable

Returns:

iterator size

newConcurrentHashMap

@Nullable
public static <K,V> @Nullable java.util.Map<K,V> newConcurrentHashMap(@Nullable
                                                                                @Nullable java.util.Map<K,V> map)

Creates a new ConcurrentHashMap as a shallow copy of map given by parameter.

Type Parameters:

K - the type of map keys

V - the type of map values

Parameters:

map - the map to copy

Returns:

the shallow copy of map

newHashMap

@Nullable
public static <K,V> @Nullable java.util.Map<K,V> newHashMap(@Nullable
                                                                      @Nullable java.util.Map<K,V> map)

Creates a new HashMap as a shallow copy of map given by parameter.

Type Parameters:

K - the type of map keys

V - the type of map values

Parameters:

map - the map to copy

Returns:

a new HashMap or null if parameter is null

newArrayList

@Nullable
public static <T> @Nullable java.util.List<T> newArrayList(@Nullable
                                                                     @Nullable java.util.List<T> list)

Creates a new ArrayList as a shallow copy of list given by parameter.

Type Parameters:

T - the type of list entries

Parameters:

list - the list to copy

Returns:

a new ArrayList or null if parameter is null

filterMapEntries

@NotNull
public static <K,V> @NotNull java.util.Map<K,V> filterMapEntries(@NotNull
                                                                          @NotNull java.util.Map<K,V> map,
                                                                          @NotNull
                                                                          @NotNull CollectionUtils.Predicate<java.util.Map.Entry<K,V>> predicate)

Returns a new map which entries match a predicate specified by a parameter.

Type Parameters:

K - - map entry key type

V - - map entry value type

Parameters:

map - - the map to filter

predicate - - the predicate

Returns:

a new map