DHIS2 Android SDK/org.hisp.dhis.android.core.arch.helpers/CollectionsHelper

CollectionsHelper

object CollectionsHelper

A collection of utility abstractions

Functions

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@JvmStatic
@SafeVarargs
fun <T> appendInNewArray(first: Array<T>, vararg rest: T): Array<T>

Appends objects to an array in a new array.

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@JvmStatic
fun commaAndSpaceSeparatedArrayValues(values: Array<String>): String

Build a String with the values separated by commas and spaces.

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@JvmStatic
fun commaAndSpaceSeparatedCollectionValues(values: Collection<String>): String

Build a String with the values separated by commas and spaces.

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fun commaSeparatedCollectionValues(values: Collection<String>): String

Build a String with the values separated by commas.

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fun <O : ObjectWithUidInterface> commaSeparatedUids(objectsWithUid: Collection<O>): String

Build a String with the uids of the objects separated by commas.

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fun isDeleted(obj: ObjectWithDeleteInterface): Boolean

A Null-safe deleted method.

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fun <T> isNull(obj: T?)

Throws an illegal argument exception if an object is null.

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fun joinCollectionWithSeparator(values: Collection<String>, separator: String?): String

Build a String with the values separated by custom separators.

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@JvmStatic
fun <T> safeUnmodifiableList(list: List<T>?): List<T>?

A Null-safe safeUnmodifiableList.

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fun semicolonSeparatedCollectionValues(values: Collection<String>): String

Build a String with the values separated by semicolons.

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@JvmStatic
fun <T> setPartition(originalSet: Collection<T>, size: Int): List<Set<T>>

Divide a Collection in a List of sets with a maximum size.

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fun withSingleQuotationMarks(value: String?): String

Put in single quotes a value.

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fun withSingleQuotationMarksArray(objects: Collection<String>?): Array<String>

Put in single quotes the string values inside a collection.