pl.edu.icm.jlargearrays

Class IntLargeArray

java.lang.Object

pl.edu.icm.jlargearrays.LargeArray

pl.edu.icm.jlargearrays.IntLargeArray

All Implemented Interfaces:

java.io.Serializable

public class IntLargeArray
extends LargeArray

An array of ints that can store up to 2⁶³ elements.

See Also:

Serialized Form

Field Summary

Fields inherited from class pl.edu.icm.jlargearrays.LargeArray

DEFAULT_MAX_OBJECT_SIZE, DEFAULT_MAX_STRING_LENGTH, LARGEST_SUBARRAY

Constructor Summary

Constructors

Constructor and Description
IntLargeArray(int[] data) Creates new instance of this class.
IntLargeArray(long length) Creates new instance of this class.
IntLargeArray(long length, boolean zeroNativeMemory) Creates new instance of this class.
IntLargeArray(long length, int initValue) Creates new instance of this class
IntLargeArray(long length, int initValue, boolean createConstant) Creates new instance of this class

Method Summary

Modifier and Type	Method and Description
IntLargeArray	clone() Returns a deep copy of this instance.
boolean	equals(java.lang.Object o) Indicates whether some other object is "equal to" this one.
java.lang.Integer	get(long i) Returns a value at index i.
boolean	getBoolean(long i) Returns a boolean value at index i.
boolean[]	getBooleanData() If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns boolean data.
boolean[]	getBooleanData(boolean[] a, long startPos, long endPos, long step) If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object.
byte	getByte(long i) Returns a signed byte value at index i.
byte[]	getByteData() If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns byte data.
byte[]	getByteData(byte[] a, long startPos, long endPos, long step) If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object.
int[]	getData() Returns a reference to the internal data array.
double	getDouble(long i) Returns a double value at index i.
double[]	getDoubleData() If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns double data.
double[]	getDoubleData(double[] a, long startPos, long endPos, long step) If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object.
float	getFloat(long i) Returns a float value at index i.
float[]	getFloatData() If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns float data.
float[]	getFloatData(float[] a, long startPos, long endPos, long step) If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object.
java.lang.Integer	getFromNative(long i) Returns a value at index i.
int	getInt(long i) Returns an int value at index i.
int[]	getIntData() If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns int data.
int[]	getIntData(int[] a, long startPos, long endPos, long step) If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object.
long	getLong(long i) Returns a long value at index i.
long[]	getLongData() If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns long data.
long[]	getLongData(long[] a, long startPos, long endPos, long step) If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object.
short	getShort(long i) Returns a short value at index i.
short[]	getShortData() If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns short data.
short[]	getShortData(short[] a, long startPos, long endPos, long step) If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object.
short	getUnsignedByte(long i) Returns an unsigned byte value at index i.
int	hashCode(float quality) Generates an approximate hash code using a quality argument.
void	setBoolean(long i, boolean value) Sets a boolean value at index i.
void	setByte(long i, byte value) Sets a byte value at index i.
void	setDouble(long i, double value) Sets a double value at index i.
void	setFloat(long i, float value) Sets a float value at index i.
void	setInt(long i, int value) Sets an int value at index i.
void	setLong(long i, long value) Sets a long value at index i.
void	setShort(long i, short value) Sets a short value at index i.
void	setToNative(long i, java.lang.Object value) Sets a value at index i.
void	setUnsignedByte(long i, short value) Sets an unsigned byte value at index i.

Methods inherited from class pl.edu.icm.jlargearrays.LargeArray

get_safe, getBoolean_safe, getByte_safe, getDouble_safe, getFloat_safe, getInt_safe, getLong_safe, getMaxSizeOf32bitArray, getShort_safe, getType, getUnsignedByte_safe, hashCode, isConstant, isLarge, isNumeric, length, nativePointer, set_safe, set, setBoolean_safe, setByte_safe, setDouble_safe, setFloat_safe, setInt_safe, setLong_safe, setMaxSizeOf32bitArray, setShort_safe, setUnsignedByte_safe

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IntLargeArray

public IntLargeArray(long length)

Creates new instance of this class.

Parameters:

length - number of elements

IntLargeArray

public IntLargeArray(long length,
                     boolean zeroNativeMemory)

Creates new instance of this class.

Parameters:

length - number of elements

zeroNativeMemory - if true, then the native memory is zeroed.

IntLargeArray

public IntLargeArray(long length,
                     int initValue)

Creates new instance of this class

Parameters:

length - number of elements

initValue - initialization value

IntLargeArray

public IntLargeArray(long length,
                     int initValue,
                     boolean createConstant)

Creates new instance of this class

Parameters:

length - number of elements

initValue - initialization value

createConstant - if true, then a constant array is created

IntLargeArray

public IntLargeArray(int[] data)

Creates new instance of this class.

Parameters:

data - data array, this reference is used internally.

Method Detail

clone

public IntLargeArray clone()

Returns a deep copy of this instance. (The elements themselves are copied.)

Overrides:

clone in class LargeArray

Returns:

a clone of this instance

hashCode

public int hashCode(float quality)

Description copied from class: LargeArray

Generates an approximate hash code using a quality argument. For quality equal to 1 this method is equivalent to hashCode().

Overrides:

hashCode in class LargeArray

Parameters:

quality - a number between 0 and 1.

Returns:

an approximate hash code

equals

public boolean equals(java.lang.Object o)

Description copied from class: LargeArray

Indicates whether some other object is "equal to" this one. The equals method implements "deep comparison": all properties are compared and all corresponding elements in both arrays are compared.

Specified by:

equals in class LargeArray

Parameters:

o - the reference object with which to compare.

Returns:

true if this object is the same as the o argument; false otherwise.

See Also:

LargeArray.hashCode(), HashMap

get

public final java.lang.Integer get(long i)

Description copied from class: LargeArray

Returns a value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

get in class LargeArray

Parameters:

i - an index

Returns:

a value at index i.

getFromNative

public final java.lang.Integer getFromNative(long i)

Description copied from class: LargeArray

Returns a value at index i. Array bounds are not checked. If isLarge() returns false for a given array or the index argument is invalid, then calling this method will cause JVM crash.

Specified by:

getFromNative in class LargeArray

Parameters:

i - index

Returns:

a value at index i. The type of returned value is the same as the type of this array.

getBoolean

public final boolean getBoolean(long i)

Description copied from class: LargeArray

Returns a boolean value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

getBoolean in class LargeArray

Parameters:

i - an index

Returns:

a boolean value at index i.

getByte

public final byte getByte(long i)

Description copied from class: LargeArray

Returns a signed byte value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

getByte in class LargeArray

Parameters:

i - an index

Returns:

a value at index i.

getUnsignedByte

public final short getUnsignedByte(long i)

Description copied from class: LargeArray

Returns an unsigned byte value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

getUnsignedByte in class LargeArray

Parameters:

i - an index

Returns:

a value at index i.

getShort

public final short getShort(long i)

Description copied from class: LargeArray

Returns a short value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

getShort in class LargeArray

Parameters:

i - an index

Returns:

a value at index i.

getInt

public final int getInt(long i)

Description copied from class: LargeArray

Returns an int value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

getInt in class LargeArray

Parameters:

i - an index

Returns:

a value at index i.

getLong

public final long getLong(long i)

Description copied from class: LargeArray

Returns a long value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

getLong in class LargeArray

Parameters:

i - an index

Returns:

a value at index i.

getFloat

public final float getFloat(long i)

Description copied from class: LargeArray

Returns a float value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

getFloat in class LargeArray

Parameters:

i - an index

Returns:

a value at index i.

getDouble

public final double getDouble(long i)

Description copied from class: LargeArray

Returns a double value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

getDouble in class LargeArray

Parameters:

i - an index

Returns:

a value at index i.

getData

public final int[] getData()

Description copied from class: LargeArray

Returns a reference to the internal data array. For constant arrays the length of the returned array is always equal to 1. If isLarge() returns true, then this method returns null.

Specified by:

getData in class LargeArray

Returns:

reference to the internal data array or null

getBooleanData

public final boolean[] getBooleanData()

Description copied from class: LargeArray

If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns boolean data. Otherwise, it returns null.

Specified by:

getBooleanData in class LargeArray

Returns:

an array containing the elements of this object or null

getBooleanData

public final boolean[] getBooleanData(boolean[] a,
                                      long startPos,
                                      long endPos,
                                      long step)

Description copied from class: LargeArray

If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object. Otherwise, it returns null. If (endPos - startPos) / step is smaller or equal to a.length, it is returned therein. Otherwise, a new array is allocated and returned. Array bounds are checked.

Specified by:

getBooleanData in class LargeArray

Parameters:

a - the array into which the elements are to be stored, if it is big enough; otherwise, a new array of is allocated for this purpose.

startPos - starting position (included)

endPos - ending position (excluded)

step - step size

Returns:

an array containing the elements of this object or null

getByteData

public final byte[] getByteData()

Description copied from class: LargeArray

If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns byte data. Otherwise, it returns null.

Specified by:

getByteData in class LargeArray

Returns:

an array containing the elements of this object or null

getByteData

public final byte[] getByteData(byte[] a,
                                long startPos,
                                long endPos,
                                long step)

Description copied from class: LargeArray

If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object. Otherwise, it returns null. If (endPos - startPos) / step is smaller or equal to a.length, it is returned therein. Otherwise, a new array is allocated and returned. Array bounds are checked.

Specified by:

getByteData in class LargeArray

Parameters:

a - the array into which the elements are to be stored, if it is big enough; otherwise, a new array of is allocated for this purpose.

startPos - starting position (included)

endPos - ending position (excluded)

step - step size

Returns:

an array containing the elements of this object or null

getShortData

public final short[] getShortData()

Description copied from class: LargeArray

If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns short data. Otherwise, it returns null.

Specified by:

getShortData in class LargeArray

Returns:

an array containing the elements of this object or null

getShortData

public final short[] getShortData(short[] a,
                                  long startPos,
                                  long endPos,
                                  long step)

Description copied from class: LargeArray

If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object. Otherwise, it returns null. If (endPos - startPos) / step is smaller or equal to a.length, it is returned therein. Otherwise, a new array is allocated and returned. Array bounds are checked.

Specified by:

getShortData in class LargeArray

Parameters:

a - the array into which the elements are to be stored, if it is big enough; otherwise, a new array of is allocated for this purpose.

startPos - starting position (included)

endPos - ending position (excluded)

step - step size

Returns:

an array containing the elements of this object or null

getIntData

public final int[] getIntData()

Description copied from class: LargeArray

If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns int data. Otherwise, it returns null.

Specified by:

getIntData in class LargeArray

Returns:

an array containing the elements of this object or null

getIntData

public final int[] getIntData(int[] a,
                              long startPos,
                              long endPos,
                              long step)

Description copied from class: LargeArray

If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object. Otherwise, it returns null. If (endPos - startPos) / step is smaller or equal to a.length, it is returned therein. Otherwise, a new array is allocated and returned. Array bounds are checked.

Specified by:

getIntData in class LargeArray

Parameters:

a - the array into which the elements are to be stored, if it is big enough; otherwise, a new array of is allocated for this purpose.

startPos - starting position (included)

endPos - ending position (excluded)

step - step size

Returns:

an array containing the elements of this object or null

getLongData

public final long[] getLongData()

Description copied from class: LargeArray

If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns long data. Otherwise, it returns null.

Specified by:

getLongData in class LargeArray

Returns:

an array containing the elements of this object or null

getLongData

public final long[] getLongData(long[] a,
                                long startPos,
                                long endPos,
                                long step)

Description copied from class: LargeArray

If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object. Otherwise, it returns null. If (endPos - startPos) / step is smaller or equal to a.length, it is returned therein. Otherwise, a new array is allocated and returned. Array bounds are checked.

Specified by:

getLongData in class LargeArray

Parameters:

a - the array into which the elements are to be stored, if it is big enough; otherwise, a new array of is allocated for this purpose.

startPos - starting position (included)

endPos - ending position (excluded)

step - step size

Returns:

an array containing the elements of this object or null

getFloatData

public final float[] getFloatData()

Description copied from class: LargeArray

If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns float data. Otherwise, it returns null.

Specified by:

getFloatData in class LargeArray

Returns:

an array containing the elements of this object or null

getFloatData

public final float[] getFloatData(float[] a,
                                  long startPos,
                                  long endPos,
                                  long step)

Description copied from class: LargeArray

If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object. Otherwise, it returns null. If (endPos - startPos) / step is smaller or equal to a.length, it is returned therein. Otherwise, a new array is allocated and returned. Array bounds are checked.

Specified by:

getFloatData in class LargeArray

Parameters:

a - the array into which the elements are to be stored, if it is big enough; otherwise, a new array of is allocated for this purpose.

startPos - starting position (included)

endPos - ending position (excluded)

step - step size

Returns:

an array containing the elements of this object or null

getDoubleData

public final double[] getDoubleData()

Description copied from class: LargeArray

If the size of the array is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns double data. Otherwise, it returns null.

Specified by:

getDoubleData in class LargeArray

Returns:

an array containing the elements of this object or null

getDoubleData

public final double[] getDoubleData(double[] a,
                                    long startPos,
                                    long endPos,
                                    long step)

Description copied from class: LargeArray

If (endPos - startPos) / step is smaller than LargeArray.LARGEST_SUBARRAY, then this method returns selected elements of this object. Otherwise, it returns null. If (endPos - startPos) / step is smaller or equal to a.length, it is returned therein. Otherwise, a new array is allocated and returned. Array bounds are checked.

Specified by:

getDoubleData in class LargeArray

Parameters:

a - the array into which the elements are to be stored, if it is big enough; otherwise, a new array of is allocated for this purpose.

startPos - starting position (included)

endPos - ending position (excluded)

step - step size

Returns:

an array containing the elements of this object or null

setToNative

public final void setToNative(long i,
                              java.lang.Object value)

Description copied from class: LargeArray

Sets a value at index i. Array bounds are not checked. If isLarge() returns false for a given array or the index argument is invalid, then calling this method will cause JVM crash.

Specified by:

setToNative in class LargeArray

Parameters:

i - index

value - value to set

setBoolean

public final void setBoolean(long i,
                             boolean value)

Description copied from class: LargeArray

Sets a boolean value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

setBoolean in class LargeArray

Parameters:

i - index

value - value to set

setByte

public final void setByte(long i,
                          byte value)

Description copied from class: LargeArray

Sets a byte value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

setByte in class LargeArray

Parameters:

i - index

value - value to set

setUnsignedByte

public final void setUnsignedByte(long i,
                                  short value)

Description copied from class: LargeArray

Sets an unsigned byte value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

setUnsignedByte in class LargeArray

Parameters:

i - index

value - value to set

setShort

public final void setShort(long i,
                           short value)

Description copied from class: LargeArray

Sets a short value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

setShort in class LargeArray

Parameters:

i - index

value - value to set

setInt

public final void setInt(long i,
                         int value)

Description copied from class: LargeArray

Sets an int value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

setInt in class LargeArray

Parameters:

i - index

value - value to set

setLong

public final void setLong(long i,
                          long value)

Description copied from class: LargeArray

Sets a long value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

setLong in class LargeArray

Parameters:

i - index

value - value to set

setFloat

public final void setFloat(long i,
                           float value)

Description copied from class: LargeArray

Sets a float value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

setFloat in class LargeArray

Parameters:

i - index

value - value to set

setDouble

public final void setDouble(long i,
                            double value)

Description copied from class: LargeArray

Sets a double value at index i. Array bounds are not checked. Calling this method with invalid index argument will cause JVM crash.

Specified by:

setDouble in class LargeArray

Parameters:

i - index

value - value to set