com.fr.code

类 Module

java.lang.Object

com.fr.code.Module

直接已知子类:

BlankModule, CompositeModule, SeparatorModule

public class Module
extends java.lang.Object

Internal class that is used to organise barcode data into groups of bars.

Note: You should not instantiate this class directly.

作者:

Ian Bourke

字段概要

字段

限定符和类型	字段和说明
protected int[]	bars The specification of bars that makes up this module, in a list of bar widths in on, off order)

构造器概要

构造器

构造器和说明
Module(int[] bars) Constructs a new Module with the given bar specification.

方法概要

方法

限定符和类型	方法和说明
protected double	draw(AbstractOutput output, double x, double y) Draws the module to the given outputter at the specified origin.
boolean	equals(java.lang.Object o) Indicates whether some other object is "equal to" this one.
java.lang.String	getSymbol() Returns the symbol being encoded by this module.
int	hashCode() Returns a hash code value for the object.
void	setSymbol(java.lang.String symbol) Sets the symbol that this module encodes.
java.lang.String	toString() Returns a string representation of the object.
int	widthInBars() Returns the underlying total width of the bars from the bar specification (that is, the sum of original bar widths in base bar units).

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

字段详细资料

bars

protected final int[] bars

The specification of bars that makes up this module, in a list of bar widths in on, off order)

构造器详细资料

Module

public Module(int[] bars)

Constructs a new Module with the given bar specification.

参数:

bars - The bar specification

方法详细资料

getSymbol

public java.lang.String getSymbol()

Returns the symbol being encoded by this module.

返回:

The symbol encoded by this module

setSymbol

public void setSymbol(java.lang.String symbol)

Sets the symbol that this module encodes.

参数:

symbol - The symbol being encoded by this module

widthInBars

public int widthInBars()

Returns the underlying total width of the bars from the bar specification (that is, the sum of original bar widths in base bar units).

返回:

The total width of bars in base (unscaled) units

draw

protected double draw(AbstractOutput output,
          double x,
          double y)

Draws the module to the given outputter at the specified origin.

参数:

output - The outputter to draw to

x - The X component of the origin

y - The Y component of the origin

返回:

The total width drawn

equals

public boolean equals(java.lang.Object o)

Indicates whether some other object is "equal to" this one.

The equals method implements an equivalence relation:

• It is reflexive: for any reference value x, x.equals(x) should return true.
• It is symmetric: for any reference values x and y, x.equals(y) should return true if and only if y.equals(x) returns true.
• It is transitive: for any reference values x, y, and z, if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.
• It is consistent: for any reference values x and y, multiple invocations of x.equals(y) consistently return true or consistently return false, provided no information used in equals comparisons on the object is modified.
• For any non-null reference value x, x.equals(null) should return false.

The equals method for class Object implements the most discriminating possible equivalence relation on objects; that is, for any reference values x and y, this method returns true if and only if x and y refer to the same object (x==y has the value true).

覆盖:

equals 在类中 java.lang.Object

参数:

o - the reference object with which to compare.

返回:

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

另请参阅:

Boolean.hashCode()

hashCode

public int hashCode()

Returns a hash code value for the object. This method is supported for the benefit of hashtables such as those provided by java.util.Hashtable.

The general contract of hashCode is:

• Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode method must consistently return the same integer, provided no information used in equals comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application.
• If two objects are equal according to the equals(Object) method, then calling the hashCode method on each of the two objects must produce the same integer result.
• It is not required that if two objects are unequal according to the Object.equals(Object) method, then calling the hashCode method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hashtables.

As much as is reasonably practical, the hashCode method defined by class Object does return distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the Java^TM programming language.)

覆盖:

hashCode 在类中 java.lang.Object

返回:

a hash code value for this object.

另请参阅:

Object.equals(Object)

toString

public java.lang.String toString()

Returns a string representation of the object. In general, the toString method returns a string that "textually represents" this object. The result should be a concise but informative representation that is easy for a person to read. It is recommended that all subclasses override this method.

The toString method for class Object returns a string consisting of the name of the class of which the object is an instance, the at-sign character `@', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value of:

 getClass().getName() + '@' + Integer.toHexString(hashCode())
 

覆盖:

toString 在类中 java.lang.Object

返回:

a string representation of the object.