ru.sscc.util.data
Class ChainPointer

java.lang.Object
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  +--ru.sscc.util.data.RealPointer
        |
        +--ru.sscc.util.data.ChainPointer

public final class ChainPointer

extends RealPointer

The implementation of RealPointer based on ChainVector.

Fields inherited from class ru.sscc.util.data.RealPointer

index, step

Constructor Summary

ChainPointer(ChainVector vector)
Simple constructor (sets the pointer to the beginning of the chain vector with the unit increment).

ChainPointer(ChainVector vector, int index, int step)
General constructor.

Method Summary

double	add(double value) Adds a value to the entry at the current pointer position.
double	get() Gets an entry value at the current pointer position.
double	mul(double value) Multiplies the entry at the current pointer position by a value.
double	set(double value) Sets an entry value at the current pointer position.

Methods inherited from class ru.sscc.util.data.RealPointer

by, clone, invert, next, previous, reset, restore, save, shift

Methods inherited from class java.lang.Object

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

Constructor Detail

ChainPointer

public ChainPointer(ChainVector vector)

Simple constructor (sets the pointer to the beginning of the chain vector with the unit increment).

Parameters:

vector - the chain vector

ChainPointer

public ChainPointer(ChainVector vector,
                    int index,
                    int step)

General constructor.

Parameters:

vector - the chain vector

index - the starting index in the vector

step - the increment step

Method Detail

get

public double get()

Gets an entry value at the current pointer position.

Overrides:

get in class RealPointer

Returns:

value of the current entry

set

public double set(double value)

Sets an entry value at the current pointer position.

Overrides:

set in class RealPointer

Parameters:

value - a value to set

Returns:

the set value

add

public double add(double value)

Adds a value to the entry at the current pointer position.

Overrides:

add in class RealPointer

Parameters:

value - a value to add

Returns:

the result of addition

mul

public double mul(double value)

Multiplies the entry at the current pointer position by a value.

Overrides:

mul in class RealPointer

Parameters:

value - a value to multiply

Returns:

the result of multiplication