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org.hibernate.util

public final Class ArrayHelper

extends Object
Class Inheritance
Imports
java.lang.reflect.Array, java.util.ArrayList, .Arrays, .Collection, .Iterator, .List, org.hibernate.LockMode, .LockOptions, org.hibernate.type.Type

Field Summary

Modifier and TypeField and Description
public static final boolean[]
EMPTY_BOOLEAN_ARRAY

public static final Class<T>[]
EMPTY_CLASS_ARRAY

public static final int[]
EMPTY_INT_ARRAY

public static final Object[]
EMPTY_OBJECT_ARRAY

public static final String[]
EMPTY_STRING_ARRAY

public static final Type[]
EMPTY_TYPE_ARRAY

public static final boolean[]
FALSE

private static int
PRIME_NUMER

private static int
SEED

public static final boolean[]
TRUE

Constructor Summary

AccessConstructor and Description
private
ArrayHelper()

Method Summary

Modifier and TypeMethod and Description
public static void
addAll(Collection<E> collection, Object[] array)

public static int
countTrue(boolean[] array)

public static String[]
fillArray(String value, int length)

public static int[]
fillArray(int value, int length)

public static LockMode[]
fillArray(LockMode lockMode, int length)

public static LockOptions[]
fillArray(LockOptions lockOptions, int length)

public static int[]
getBatchSizes(int maxBatchSize)

private static int
getNextBatchSize(int batchSize)

public static int
hash(Object[] array)

calculate the array hash (only the first level)

public static int
hash(char[] array)

calculate the array hash (only the first level)

public static int
hash(byte[] bytes)

calculate the array hash (only the first level)

private static int
hash(int seed, int i)

public static int
indexOf(Object[] array, Object object)

public static boolean
isAllFalse(boolean[] array)

public static boolean
isAllNegative(int[] array)

public static boolean
isAllTrue(boolean[] array)

public static boolean
isEquals(Object[] o1, Object[] o2)

Compare 2 arrays only at the first level

public static boolean
isEquals(char[] o1, char[] o2)

Compare 2 arrays only at the first level

public static boolean
isEquals(byte[] b1, byte[] b2)

Compare 2 arrays only at the first level

public static String[]
join(String[] x, String[] y)

public static String[]
join(String[] x, String[] y, boolean[] use)

public static int[]
join(int[] x, int[] y)

public static String[]
slice(String[] strings, int begin, int length)

public static Object[]
slice(Object[] objects, int begin, int length)

public static int[][]
to2DIntArray(Collection<E> coll)

public static String[][]
to2DStringArray(Collection<E> coll)

public static boolean[]
toBooleanArray(Collection<E> coll)

public static int[]
toIntArray(Collection<E> coll)

public static List<E>
toList(Object array)

public static List<E>
toList(Iterator<E> iter)

public static String
toString(Object[] array)

public static String[]
toStringArray(Object[] objects)

public static String[]
toStringArray(Collection<E> coll)

public static Type[]
toTypeArray(Collection<E> coll)

public static Object[]
typecast(Object[] array, Object[] to)

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

EMPTY_BOOLEAN_ARRAYback to summary
public static final boolean[] EMPTY_BOOLEAN_ARRAY
EMPTY_CLASS_ARRAYback to summary
public static final Class<T>[] EMPTY_CLASS_ARRAY
EMPTY_INT_ARRAYback to summary
public static final int[] EMPTY_INT_ARRAY
EMPTY_OBJECT_ARRAYback to summary
public static final Object[] EMPTY_OBJECT_ARRAY
EMPTY_STRING_ARRAYback to summary
public static final String[] EMPTY_STRING_ARRAY
EMPTY_TYPE_ARRAYback to summary
public static final Type[] EMPTY_TYPE_ARRAY
FALSEback to summary
public static final boolean[] FALSE
PRIME_NUMERback to summary
private static int PRIME_NUMER
SEEDback to summary
private static int SEED
TRUEback to summary
public static final boolean[] TRUE

Constructor Detail

ArrayHelperback to summary
private ArrayHelper()

Method Detail

addAllback to summary
public static void addAll(Collection<E> collection, Object[] array)
countTrueback to summary
public static int countTrue(boolean[] array)
fillArrayback to summary
public static String[] fillArray(String value, int length)
fillArrayback to summary
public static int[] fillArray(int value, int length)
fillArrayback to summary
public static LockMode[] fillArray(LockMode lockMode, int length)
fillArrayback to summary
public static LockOptions[] fillArray(LockOptions lockOptions, int length)
getBatchSizesback to summary
public static int[] getBatchSizes(int maxBatchSize)
getNextBatchSizeback to summary
private static int getNextBatchSize(int batchSize)
hashback to summary
public static int hash(Object[] array)

calculate the array hash (only the first level)

hashback to summary
public static int hash(char[] array)

calculate the array hash (only the first level)

hashback to summary
public static int hash(byte[] bytes)

calculate the array hash (only the first level)

hashback to summary
private static int hash(int seed, int i)
indexOfback to summary
public static int indexOf(Object[] array, Object object)
isAllFalseback to summary
public static boolean isAllFalse(boolean[] array)
isAllNegativeback to summary
public static boolean isAllNegative(int[] array)
isAllTrueback to summary
public static boolean isAllTrue(boolean[] array)
isEqualsback to summary
public static boolean isEquals(Object[] o1, Object[] o2)

Compare 2 arrays only at the first level

isEqualsback to summary
public static boolean isEquals(char[] o1, char[] o2)

Compare 2 arrays only at the first level

isEqualsback to summary
public static boolean isEquals(byte[] b1, byte[] b2)

Compare 2 arrays only at the first level

joinback to summary
public static String[] join(String[] x, String[] y)
joinback to summary
public static String[] join(String[] x, String[] y, boolean[] use)
joinback to summary
public static int[] join(int[] x, int[] y)
sliceback to summary
public static String[] slice(String[] strings, int begin, int length)
sliceback to summary
public static Object[] slice(Object[] objects, int begin, int length)
to2DIntArrayback to summary
public static int[][] to2DIntArray(Collection<E> coll)
to2DStringArrayback to summary
public static String[][] to2DStringArray(Collection<E> coll)
toBooleanArrayback to summary
public static boolean[] toBooleanArray(Collection<E> coll)
toIntArrayback to summary
public static int[] toIntArray(Collection<E> coll)
toListback to summary
public static List<E> toList(Object array)
toListback to summary
public static List<E> toList(Iterator<E> iter)
toStringback to summary
public static String toString(Object[] array)
toStringArrayback to summary
public static String[] toStringArray(Object[] objects)
toStringArrayback to summary
public static String[] toStringArray(Collection<E> coll)
toTypeArrayback to summary
public static Type[] toTypeArray(Collection<E> coll)
typecastback to summary
public static Object[] typecast(Object[] array, Object[] to)