com.singularsys.jep.standard
Class DoubleNumberFactory

java.lang.Object
  extended by com.singularsys.jep.standard.DoubleNumberFactory
All Implemented Interfaces:
JepComponent, NumberFactory, java.io.Serializable

public class DoubleNumberFactory
extends java.lang.Object
implements NumberFactory

Default class for creating number objects. This class can be replaced by other NumberFactory implementations if other number types are required. This can be done using the

See Also:
Serialized Form

Field Summary
static java.lang.Double MINUSONE
           
static java.lang.Double ONE
           
static java.lang.Double TWO
           
static java.lang.Double ZERO
           
 
Constructor Summary
DoubleNumberFactory()
           
 
Method Summary
 java.lang.Object createNumber(boolean value)
          Create a number object with given boolean value
 java.lang.Object createNumber(Complex value)
          Creates a number from a given complex value.
 java.lang.Object createNumber(double value)
          Creates a number object with given double value.
 java.lang.Object createNumber(float value)
          Create a number object with given float value
 java.lang.Object createNumber(int value)
          Create a number object with given int value
 java.lang.Object createNumber(long value)
          Create a number object with given long value
 java.lang.Object createNumber(java.lang.Number value)
          Creates a number object from a class implementing Number, May actually just return the class.
 java.lang.Object createNumber(short value)
          Create a number object with given short value
 java.lang.Object createNumber(java.lang.String value)
          Creates a Double object initialized to the value of the parameter.
 JepComponent getLightWeightInstance()
          Gets a light-weight instance suitable for using in multiple threads.
 java.lang.Object getMinusOne()
          Return an object representing ZERO-ONE.
 java.lang.Object getOne()
          Return an object representing ONE the multiplicative identity.
 java.lang.Object getTwo()
          Return an object representing ONE+ONE.
 java.lang.Object getZero()
          Return an object representing ZERO the additive identity.
 void init(Jep jep)
          Initialize the component.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

ZERO

public static final java.lang.Double ZERO

ONE

public static final java.lang.Double ONE

TWO

public static final java.lang.Double TWO

MINUSONE

public static final java.lang.Double MINUSONE
Constructor Detail

DoubleNumberFactory

public DoubleNumberFactory()
Method Detail

createNumber

public java.lang.Object createNumber(java.lang.String value)
Creates a Double object initialized to the value of the parameter.

Specified by:
createNumber in interface NumberFactory
Parameters:
value - The initialization value for the returned object.

createNumber

public java.lang.Object createNumber(double value)
Description copied from interface: NumberFactory
Creates a number object with given double value.

Specified by:
createNumber in interface NumberFactory

createNumber

public java.lang.Object createNumber(java.lang.Number value)
Description copied from interface: NumberFactory
Creates a number object from a class implementing Number, May actually just return the class.

Specified by:
createNumber in interface NumberFactory

createNumber

public java.lang.Object createNumber(boolean value)
Description copied from interface: NumberFactory
Create a number object with given boolean value

Specified by:
createNumber in interface NumberFactory

createNumber

public java.lang.Object createNumber(float value)
Description copied from interface: NumberFactory
Create a number object with given float value

Specified by:
createNumber in interface NumberFactory

createNumber

public java.lang.Object createNumber(int value)
Description copied from interface: NumberFactory
Create a number object with given int value

Specified by:
createNumber in interface NumberFactory

createNumber

public java.lang.Object createNumber(short value)
Description copied from interface: NumberFactory
Create a number object with given short value

Specified by:
createNumber in interface NumberFactory

createNumber

public java.lang.Object createNumber(long value)
Description copied from interface: NumberFactory
Create a number object with given long value

Specified by:
createNumber in interface NumberFactory

createNumber

public java.lang.Object createNumber(Complex value)
                              throws ParseException
Description copied from interface: NumberFactory
Creates a number from a given complex value.

Specified by:
createNumber in interface NumberFactory
Throws:
ParseException

getMinusOne

public java.lang.Object getMinusOne()
Description copied from interface: NumberFactory
Return an object representing ZERO-ONE.

Specified by:
getMinusOne in interface NumberFactory

getOne

public java.lang.Object getOne()
Description copied from interface: NumberFactory
Return an object representing ONE the multiplicative identity.

Specified by:
getOne in interface NumberFactory

getTwo

public java.lang.Object getTwo()
Description copied from interface: NumberFactory
Return an object representing ONE+ONE.

Specified by:
getTwo in interface NumberFactory

getZero

public java.lang.Object getZero()
Description copied from interface: NumberFactory
Return an object representing ZERO the additive identity.

Specified by:
getZero in interface NumberFactory

init

public void init(Jep jep)
Description copied from interface: JepComponent
Initialize the component. This methods is called whenever a component is added to Jep. Hence it allows components to keep track of the other components they may rely on.

Specified by:
init in interface JepComponent
Parameters:
jep - the current Jep instance

getLightWeightInstance

public JepComponent getLightWeightInstance()
Description copied from interface: JepComponent
Gets a light-weight instance suitable for using in multiple threads.

Specified by:
getLightWeightInstance in interface JepComponent
Returns:
either an new instance, or 'this'.


Copyright © 2010 Singular Systems http://www.singularsys.com/jep