HyperSQL Database 2.7.4 · org.hsqldb.lib.ArrayUtil · APIdia, the JavaDoc alternative

Modifier and Type	Field and Description
public static final int	CLASS_CODE_BOOLEAN
public static final int	CLASS_CODE_BYTE
public static final int	CLASS_CODE_CHAR
public static final int	CLASS_CODE_DOUBLE
public static final int	CLASS_CODE_FLOAT
public static final int	CLASS_CODE_INT
public static final int	CLASS_CODE_LONG
public static final int	CLASS_CODE_OBJECT
public static final int	CLASS_CODE_SHORT
private static final IntValueHashMap<Class<T>>	classCodeMap

Access	Constructor and Description
public	ArrayUtil()

Method Summary

Modifier and Type	Method and Description
public static void	adjustArray(int class type of the array type, Object the array array, int count of elements of array in use usedElements, int point at which to add or remove elements index, int number of elements to add or remove count) Moves the contents of an array to allow both addition and removal of elements.
public static boolean	Returns: boolean areAllIntIndexesAsBooleanArray(int[] int[] arra, boolean[] boolean[] arrb) Returns true if all indexes and no other positions are true in arrb.
public static boolean	areAllIntIndexesInBooleanArray(int[] arra, boolean[] arrb)
public static boolean	Returns: boolean areEqualSets(int[] int[] arra, int[] int[] arrb) Returns true if arra and arrb contain the same set of integers, not necessarily in the same order.
public static int[]	Returns: int[] arraySlice(int[] int[] source, int int start, int int count) Returns a range of elements of source from start to end of the array.
public static int[]	Returns: int[] booleanArrayToIntIndexes(boolean[] boolean[] arrb) Set elements of arrb true if their indexes appear in arrb.
public static char[]	byteArrayToChars(byte[] bytes)
public static char[]	byteArrayToChars(byte[] bytes, int bytesLength)
public static long	byteSequenceToLong(byte[] bytes, int pos)
public static int	Returns: int cdiv(int int a, int int b) a and b must be both positive returns (a / b) or (a / b) + 1 if remainder is larger than zero
public static long	cdiv(long a, long b)
public static byte[]	charArrayToBytes(char[] chars)
public static byte[]	charArrayToBytes(char[] chars, int length)
public static void	clearArray(int int type, Object Object data, int int from, int int to) Clears an area of the given array of the given type.
public static int[]	Returns: int[] common indexes or `null` if there is no overlap. commonElements(int[] int[] first column indexes arra, int[] int[] second column indexes arrb) Returns an int[] containing elements shared between the two arrays arra and arrb.
public static int	Returns: int compare(byte[] byte[] a, byte[] byte[] b) Compares two arrays.
public static int	compare(byte[] a, int aOffset, int aLength, byte[] b, int bOffset, int bLength)
public static int[]	Returns: int[] concat(int[] int[] arra, int[] int[] arrb) Returns an array that contains all the elements of the two arrays.
public static boolean	Returns: boolean containsAll(Object[] Object[] arra, Object[] Object[] arrb) returns true if arra contains all elements of arrb
public static boolean	Returns: boolean containsAll(int[] int[] arra, int[] int[] arrb) returns true if arra contains all elements of arrb
public static boolean	Returns: boolean containsAllAtStart(int[] int[] arra, int[] int[] arrb) returns true if arra contains all elements of arrb at its start
public static boolean	Returns: boolean containsAllTrueElements(boolean[] boolean[] arra, boolean[] boolean[] arrb) Return true if for each true element in arrb, the corresponding element in arra is true
public static boolean	Returns: boolean containsAny(Object[] Object[] arra, Object[] Object[] arrb) returns true if arra contains any element of arrb
public static boolean	Returns: boolean containsAt(byte[] byte[] arra, int int start, byte[] byte[] arrb) Returns true if arra from position start contains all elements of arrb in sequential order.
public static boolean	Returns: boolean containsAt(char[] char[] arra, int int start, char[] char[] arrb) Returns true if arra from position start contains all elements of arrb in sequential order.
public static void	copyAdjustArray(Object Object source, Object Object dest, Object Object addition, int int colindex, int int adjust) For arrays of Objects or primitives.
public static void	copyAdjustArray(Object[] Object[] source, Object[] Object[] dest, int[] int[] colindex, int int adjust) Similar to single slot adjusted copy, with multiple slots added or removed.
public static void	copyArray(Object Object source, Object Object dest, int int count) Convenience wrapper for System.arraycopy().
public static int	Returns: int copyBytes(long long sourceOffset, byte[] byte[] source, int int sourceOff, int int sourceLength, long long destOffset, byte[] byte[] dest, int int destLength) Byte arrays source and dest each begin at an offset in the common space.
public static byte[]	Returns: byte[] copyBytes(byte[] byte[] source, byte[] byte[] dest, int int destOffset) Copy the source to dest, returning dest or an enlarged array of result is larger than dest.
public static void	copyMoveSegment(Object source, Object dest, int size, int index, int segmentSize, int destIndex)
public static int	Returns: int number of elements shared by `arra` and `arrb` countCommonElements(int[] int[] first array of column indexes. arra, int[] int[] second array of column indexes arrb) Returns the number of elements shared between the two arrays containing sets.
public static int	countCommonElements(Object[] arra, int alen, Object[] arrb)
public static int	Returns: int countNonStartElementsAt(byte[] byte[] arra, int int start, byte[] byte[] arrb) Returns the count of elements in arra from position start that are not among the elements of arrb.
public static int	Returns: int countSameElements(byte[] byte[] arra, int int start, byte[] byte[] arrb) Returns the count of elements in arra from position start that are sequentially equal to the elements of arrb.
public static int	Returns: int countSameElements(char[] char[] arra, int int start, char[] char[] arrb) Returns the count of elements in arra from position start that are sequentially equal to the elements of arrb.
public static int	Returns: int countSameElements(int[] int[] arra, int int start, int[] int[] arrb) Returns the count of elements in arra from position start that are sequentially equal to the elements of arrb.
public static int	Returns: int countSmallerElements(int[] int[] arra, int int value) Returns the count of elements in arra that are smaller than the value.
public static int	Returns: int countSmallerEqualElements(int[] int[] arra, int int value) Returns the count of elements in arra that are smaller/equal than the value.
public static int	Returns: int countStartElementsAt(byte[] byte[] arra, int int start, byte[] byte[] arrb) Returns the count of elements in arra from position start that are among the elements of arrb.
public static int	Returns: int countStartIntIndexesInBooleanArray(int[] int[] arra, boolean[] boolean[] arrb) Return array of indexes of boolean elements that are true.
public static int	Returns: int countTrueElements(boolean[] boolean[] arra) Return count of true elements in array
public static Object	Returns: Object duplicateArray(Object Object source) Returns a duplicates of an array.
public static int[]	Returns: int[] except(int[] int[] source, int[] int[] other) Returns an array containing the elements of source except any element shared with the other.
public static void	fillArray(char[] char[] array, int int offset, char char value) Fills part of the array with a value.
public static void	fillArray(byte[] byte[] array, int int offset, byte byte value) Fills part of the array with a value.
public static void	fillArray(Object[] Object[] array, Object Object value) Fills the array with a value.
public static void	fillArray(int[] int[] array, int int value) Fills the int array with a value.
public static void	fillArray(double[] double[] array, double double value) Fills the double array with a value.
public static void	fillArray(boolean[] boolean[] array, boolean boolean value) Fills the int array with a value
public static void	fillSequence(int[] colindex)
public static int	Returns: int find(Object[] Object[] array, Object Object object) Basic find for small arrays of Object.
public static int	Returns: int find(int[] int[] array, int int value) Finds index of value in small array.
public static int	Returns: int find(int[] int[] array, int int count, int int value) Finds index of value in the first count elements of small array.
public static int	find(short[] array, int value)
public static int	find(short[] array, int value, int offset, int count)
public static int	find(char[] array, int value)
public static int	Returns: int find(byte[] byte[] arra, int int start, int int limit, byte[] byte[] arrb) Returns the index of the first occurrence of arrb in arra.
public static int	Returns: int find(byte[] byte[] arra, int int start, int int limit, int int b, int int c) Returns the index of b or c in arra.
public static int	Returns: int findIn(byte[] byte[] arra, int int start, int int limit, byte[] byte[] byteSet) Returns an index into arra (or -1) where the character is in the byteSet byte array.
public static int	Returns: int findNot(int[] int[] array, int int value) Finds the first element of the array that is not equal to the given value.
public static int	Returns: int findNotIn(byte[] byte[] arra, int int start, int int limit, byte[] byte[] byteSet) Returns an index into arra (or -1) where the character is not in the charset byte array.
public static long	Returns: long getBinaryMultipleCeiling(long long value, long long unit) uses 2**scale form and returns a multiple of unit that is larger or equal to value
public static long	Returns: long getBinaryNormalisedCeiling(long long value, int int scale) uses 2**scale form and returns a multiple of this that is larger or equal to value
public static long	Returns: long getBinaryNormalisedCeiling(long long value) returns the smallest value that is a power of 2 and larger or equal to value
pack-priv static int	Returns: int getClassCode(Class<T> Class cla) Returns a distinct int code for each primitive type and for all Object types.
public static int	Returns: int getTwoPowerFloor(int int n) returns the largest value that is 0 or a power of 2 and is smaller or equal to n
public static int	Returns: int getTwoPowerScale(int int n) returns the log2 of largest value that is 0 or a power of 2 and is smaller or equal to n
public static boolean	hasAllNull(Object[] array, int[] columnMap)
public static boolean	Returns: boolean hasNull(Object[] Object[] array, int[] int[] columnMap) Determines if the array has a null column for any of the positions given in the rowColMap array.
public static boolean	Returns: boolean haveCommonElement(int[] int[] arra, int[] int[] arrb) Returns true if arra and arrb share any element.
public static boolean	Returns: boolean haveEqualArrays(int[] int[] arra, int[] int[] arrb, int int count) Returns true if the first count elements of arra and arrb are identical subarrays of integers
public static boolean	Returns: boolean haveEqualArrays(Object[] Object[] arra, Object[] Object[] arrb, int int count) Returns true if the first count elements of arra and arrb are identical subarrays of Objects
public static boolean	Returns: boolean haveEqualSets(int[] int[] arra, int[] int[] arrb, int int count) Returns true if the first count elements of arra and arrb are identical sets of integers (not necessarily in the same order).
public static void	intIndexesToBooleanArray(int[] int[] arra, boolean[] boolean[] arrb) Set elements of arrb true if their indexes appear in arrb.
public static boolean	isAnyIntIndexInBooleanArray(int[] arra, boolean[] arrb)
public static boolean	Returns: boolean isInSortedArray(char char ch, char[] char[] array) Returns true if char argument is in array.
public static boolean	Returns: boolean isTwoPower(int int n, int int max) returns true if log2 n is in the range (0, max)
public static void	orBooleanArray(boolean[] source, boolean[] dest)
public static void	projectMap(int[] mainMap, int[] subMap, int[] newSubMap)
public static void	projectRow(Object[] the source array source, int[] the list of indexes into source columnMap, Object[] the destination array target) Copies some elements of source into target by using columnMap as the list of indexes into source.
public static void	projectRow(int[] source, int[] columnMap, int[] target)
public static void	projectRowReverse(Object[] the target array target, int[] the list of indexes into row columnMap, Object[] the source array source) As above but copies in reverse direction.
public static void	reorderMaps(int[] mainMap, int[] firstMap, int[] secondMap)
public static Object	Returns: Object resizeArray(Object Object source, int int newsize) Returns a new array of given size, containing as many elements of the original array as it can hold.
public static Object	Returns: Object resizeArrayIfDifferent(Object Object source, int int newsize) Returns the given array if newsize is the same as existing.
public static void	sortArray(int[] int[] array) Basic sort for small arrays of int.
public static < type of array element T> T[]	Returns: T[] toAdjustedArray(T[] T[] source, T element to append to array addition) Returns a new array containing the elements of parameter source with an added element at the end.
public static Object	Returns: Object toAdjustedArray(Object Object source, Object Object addition, int int colindex, int int adjust) Returns an array containing the elements of parameter source, with one element removed or added.
public static int[]	Returns: new, adjusted array toAdjustedColumnArray(int[] the source array colarr, int index at which to perform adjustment colindex, int +1, 0 or -1 adjust) Returns a new array with the elements in collar adjusted to reflect changes at colindex.
public static int[]	Returns: int[] toAdjustedColumnArray(int[] int[] colarr, int[] int[] colindex, int int adjust) similar to the function with single colindex, but with multiple adjustments.
public static byte[]	Returns: byte[] toByteArray(long long hi, long long lo) converts two longs to a byte[16]
public static int[]	Returns: int[] union(int[] int[] containing unique vlaues arra, int[] int[] containing unique values arrb) Returns an array that contains all the elements of the two arrays.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

public final Class ArrayUtil

Field Summary

Constructor Summary

Method Summary