Package com.illumon.iris.libs.primitives

Class BytePrimitives

java.lang.Object
com.illumon.iris.libs.primitives.BytePrimitives
public class BytePrimitives extends Object
A set of commonly used functions that can be applied to Byte types.

  • Constructor Summary

    Constructors
    Constructor
    Description
    BytePrimitives()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static DbByteArray
    array(byte[] values)
    Converts a primitive array to a DB array.
    static byte[]
    concat(byte[]... values)
    Returns the concatenation of multiple arrays into a single array.
    static byte[]
    concat(DbByteArray... values)
    Returns the concatenation of multiple arrays into a single array.
    static int
    count(byte[] values)
    Counts the number of non-null values.
    static int
    count(DbByteArray values)
    Counts the number of non-null values.
    static int
    count(Byte[] values)
    Counts the number of non-null values.
    static long
    countDistinct(byte[] values)
    Counts the number of distinct elements in the array.
    static long
    countDistinct(byte[] values, boolean countNull)
    Counts the number of distinct elements in the array.
    static long
    countDistinct(DbByteArray values)
    Counts the number of distinct elements in the array.
    static long
    countDistinct(DbByteArray values, boolean countNull)
    Counts the number of distinct elements in the array.
    static byte[]
    distinct(byte[] values)
    Returns an array containing only the distinct values from the input.
    static byte[]
    distinct(byte[] values, boolean includeNull, boolean sort)
    Returns an array containing only the distinct values from the input.
    static DbByteArray
    distinct(DbByteArray values)
    Returns an array containing only the distinct values from the input.
    static DbByteArray
    distinct(DbByteArray values, boolean includeNull, boolean sort)
    Returns an array containing only the distinct values from the input.
    static byte[]
    enlist(byte... values)
    Returns a list containing its arguments.
    static byte
    first(byte[] values)
    Returns the first value from an array.
    static byte
    first(DbByteArray values)
    Returns the first value from an array.
    static byte[]
    forwardFill(byte[] values)
     
    static boolean
    in(byte testedValues, byte... possibleValues)
    Checks if a value is within a discrete set of possible values.
    static boolean
    inRange(byte testedValue, byte lowInclusiveValue, byte highInclusiveValue)
    Checks if a value is within a range.
    static boolean
    isNull(byte value)
    Determines if a value is null.
    static byte
    last(byte[] values)
    Returns the last value from an array.
    static byte
    last(DbByteArray values)
    Returns the last value from an array.
    static byte
    nth(int index, byte[] values)
    Returns the nth value from an array.
    static byte
    nth(int index, DbByteArray values)
    Returns the nth value from an array.
    static byte[]
    nullToValue(byte[] values, byte defaultValue)
    Replaces null values with a default value.
    static byte
    nullToValue(byte value, byte defaultValue)
    Replaces null values with a default value.
    static byte[]
    nullToValue(DbByteArray values, byte defaultValue)
    Replaces null values with a default value.
    static byte[]
    repeat(byte value, int size)
    Returns an array with a value repeated.
    static byte[]
    reverse(byte... values)
    Returns an array with the values reversed.
    static byte[]
    reverse(DbByteArray values)
    Returns an array with the values reversed.
    static byte[]
    unbox(Byte... values)
    Unboxes a array of values.
    static byte
    uniqueValue(DbByteArray arr, boolean countNull)
    Get the single unique value in the array, or null if there are none, or there are more than 1 distinct values.
    static byte[]
    vec(DbByteArray values)
    Converts a DB array to a primitive array.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • BytePrimitives

      public BytePrimitives()

  • Method Details

    • unbox

      public static byte[] unbox(Byte... values)
      Unboxes a array of values.
      Parameters:
      values - values.
      Returns:
      unboxed array of values.

    • isNull

      public static boolean isNull(byte value)
      Determines if a value is null.
      Parameters:
      value - value.
      Returns:
      true if the value is null, and false otherwise.

    • nullToValue

      public static byte nullToValue(byte value, byte defaultValue)
      Replaces null values with a default value.
      Parameters:
      value - value.
      defaultValue - default value to return for null values.
      Returns:
      value, if value is not null, and defaultValue if value is null.

    • nullToValue

      public static byte[] nullToValue(byte[] values, byte defaultValue)
      Replaces null values with a default value.
      Parameters:
      values - values.
      defaultValue - default value to return for null values.
      Returns:
      values with nulls replaced by defaultValue.

    • nullToValue

      public static byte[] nullToValue(DbByteArray values, byte defaultValue)
      Replaces null values with a default value.
      Parameters:
      values - values.
      defaultValue - default value to return for null values.
      Returns:
      values with nulls replaced by defaultValue.

    • count

      public static int count(Byte[] values)
      Counts the number of non-null values.
      Parameters:
      values - values.
      Returns:
      number of non-null values.

    • count

      public static int count(byte[] values)
      Counts the number of non-null values.
      Parameters:
      values - values.
      Returns:
      number of non-null values.

    • count

      public static int count(DbByteArray values)
      Counts the number of non-null values.
      Parameters:
      values - values.
      Returns:
      number of non-null values.

    • last

      public static byte last(DbByteArray values)
      Returns the last value from an array.
      Parameters:
      values - values.
      Returns:
      last value from the array.

    • last

      public static byte last(byte[] values)
      Returns the last value from an array.
      Parameters:
      values - values.
      Returns:
      last value from the array.

    • first

      public static byte first(DbByteArray values)
      Returns the first value from an array.
      Parameters:
      values - values.
      Returns:
      first value from the array.

    • first

      public static byte first(byte[] values)
      Returns the first value from an array.
      Parameters:
      values - values.
      Returns:
      first value from the array.

    • nth

      public static byte nth(int index, DbByteArray values)
      Returns the nth value from an array.
      Parameters:
      index - index of the value to return.
      values - values.
      Returns:
      nth value from the array or null, if the index is outside of the array's index range.

    • nth

      public static byte nth(int index, byte[] values)
      Returns the nth value from an array.
      Parameters:
      index - index of the value to return.
      values - values.
      Returns:
      nth value from the array or null, if the index is outside of the array's index range.

    • vec

      public static byte[] vec(DbByteArray values)
      Converts a DB array to a primitive array.
      Parameters:
      values - DB array
      Returns:
      primitive array.

    • array

      public static DbByteArray array(byte[] values)
      Converts a primitive array to a DB array.
      Parameters:
      values - primitive array
      Returns:
      DB array.

    • inRange

      public static boolean inRange(byte testedValue, byte lowInclusiveValue, byte highInclusiveValue)
      Checks if a value is within a range.
      Parameters:
      testedValue - tested value.
      lowInclusiveValue - lower inclusive bound of the range.
      highInclusiveValue - upper inclusive bound of the range.
      Returns:
      true if the tested value is within the range, and false if the tested value is not in the range or is null.

    • in

      public static boolean in(byte testedValues, byte... possibleValues)
      Checks if a value is within a discrete set of possible values.
      Parameters:
      testedValues - tested value.
      possibleValues - possible values.
      Returns:
      true if the tested value is contained in the possible values, and false otherwise.

    • countDistinct

      public static long countDistinct(byte[] values)
      Counts the number of distinct elements in the array.
      Parameters:
      values - values.
      Returns:
      number of distinct non-null values.

    • countDistinct

      public static long countDistinct(DbByteArray values)
      Counts the number of distinct elements in the array.
      Parameters:
      values - values.
      Returns:
      number of distinct non-null values.

    • countDistinct

      public static long countDistinct(byte[] values, boolean countNull)
      Counts the number of distinct elements in the array.
      Parameters:
      values - values.
      countNull - true to count null values, and false to exclude null values.
      Returns:
      number of distinct values.

    • countDistinct

      public static long countDistinct(DbByteArray values, boolean countNull)
      Counts the number of distinct elements in the array.
      Parameters:
      values - values.
      countNull - true to count null values, and false to exclude null values.
      Returns:
      number of distinct values.

    • uniqueValue

      public static byte uniqueValue(DbByteArray arr, boolean countNull)
      Get the single unique value in the array, or null if there are none, or there are more than 1 distinct values.
      Parameters:
      arr - the array
      countNull - if nulls should count as values
      Returns:
      the single unique value in the array, or null.

    • distinct

      public static byte[] distinct(byte[] values)
      Returns an array containing only the distinct values from the input.
      Parameters:
      values - values.
      Returns:
      unsorted array containing only distinct non-null items from arr.

    • distinct

      public static DbByteArray distinct(DbByteArray values)
      Returns an array containing only the distinct values from the input.
      Parameters:
      values - values.
      Returns:
      unsorted array containing only distinct non-null items from arr.

    • distinct

      public static byte[] distinct(byte[] values, boolean includeNull, boolean sort)
      Returns an array containing only the distinct values from the input.
      Parameters:
      values - values.
      includeNull - true to include null values, and false to exclude null values.
      sort - true to sort the resultant array
      Returns:
      array containing only distinct items from arr.

    • distinct

      public static DbByteArray distinct(DbByteArray values, boolean includeNull, boolean sort)
      Returns an array containing only the distinct values from the input.
      Parameters:
      values - values.
      includeNull - true to include null values, and false to exclude null values.
      sort - true to sort the resultant array
      Returns:
      array containing only distinct items from arr.

    • repeat

      public static byte[] repeat(byte value, int size)
      Returns an array with a value repeated.
      Parameters:
      value - value.
      size - number of times to repeat the value.
      Returns:
      array of repeated values. If size is less than zero, an empty array is returned.

    • enlist

      public static byte[] enlist(byte... values)
      Returns a list containing its arguments.
      Parameters:
      values - values.
      Returns:
      list containing values.

    • concat

      public static byte[] concat(byte[]... values)
      Returns the concatenation of multiple arrays into a single array.
      Parameters:
      values - values.
      Returns:
      concatenation of multiple arrays into a single array.

    • concat

      public static byte[] concat(DbByteArray... values)
      Returns the concatenation of multiple arrays into a single array.
      Parameters:
      values - values.
      Returns:
      concatenation of multiple arrays into a single array.

    • reverse

      public static byte[] reverse(byte... values)
      Returns an array with the values reversed.
      Parameters:
      values - values.
      Returns:
      array with the values reversed.

    • reverse

      public static byte[] reverse(DbByteArray values)
      Returns an array with the values reversed.
      Parameters:
      values - values.
      Returns:
      array with the values reversed.

    • forwardFill

      public static byte[] forwardFill(byte[] values)