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org.metacosm.util
Class LongProperty  

java.lang.Object
  org.metacosm.util.Property
      org.metacosm.util.LongProperty

All Implemented Interfaces:

java.lang.Cloneable, org.metacosm.framework.persistence.Persistent, java.io.Serializable

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public final class LongProperty

extends Property

A Property with long value. TODO: min and max values can be stored in a memory-friendly way. They aren't stored as two long or double * values but as a special immutable Interval object (in fact a * reference to this object). A hashtable links (min, max) couples to IntervalManager objects, so for a given interval, only one Interval exists.

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Field Summary
private  java.util.List	absList           AbsoluteModifiers list
private  AbsoluteModifier	absModifier           The first max priority AbsoluteModifier
private  long	initialValue
private  LongInterval	interval           Domain interval
private  java.util.List	randomValues           RandomAbsoluteModifier values list
private  long	relDelta           RelativeModifiers final effect
private  long	value
(package private)  int	valueIndex           RandomAbsoluteModifier value index (for the first max priority AbsoluteModifier) -1 if not a RandomAbsoluteModifier >= 0 otherwise

 

Fields inherited from class org.metacosm.util.Property

name

 

Constructor Summary
	LongProperty(java.lang.String name, long value)           LongProperty constructor without a specified interval.
private	LongProperty(java.lang.String name, long value, LongInterval interval)           Used by clone() to produce a property with the same name and value, and with the same shared interval.
	LongProperty(java.lang.String name, long value, long min, long max)           LongProperty constructor with a specified interval.

 

Method Summary
void	applyModifier(AbsoluteModifier absMod)           Applies an absolute modifier to the property.
void	applyModifier(RelativeModifier relMod)           Applies a relative modifier to the property.
private  void	calculate()
java.lang.Object	clone()           This method may be called to create a new copy of the Object.
long	getLongValue()
long	getMaxValue()
long	getMinValue()
java.lang.Object	getValue()
void	load(java.io.InputStream is)           Loads from the stream.
void	removeModifier(AbsoluteModifier absMod)           Removes an absolute modifier previously applied to the property.
void	removeModifier(RelativeModifier relMod)           Removes a relative modifier previously applied to the property.
void	save(java.io.OutputStream os)           Saves on the stream.
java.lang.String	toString()           Convert this Object to a human-readable String.

 

Methods inherited from class org.metacosm.util.Property

getName

 

Methods inherited from class java.lang.Object

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

 

Field Detail

value

private long value

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initialValue

private long initialValue

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absList

private java.util.List absList

AbsoluteModifiers list

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randomValues

private java.util.List randomValues

RandomAbsoluteModifier values list

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absModifier

private AbsoluteModifier absModifier

The first max priority AbsoluteModifier

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valueIndex

int valueIndex

RandomAbsoluteModifier value index (for the first max priority AbsoluteModifier) -1 if not a RandomAbsoluteModifier
>= 0 otherwise

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relDelta

private long relDelta

RelativeModifiers final effect

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interval

private LongInterval interval

Domain interval

Constructor Detail

LongProperty

public LongProperty(java.lang.String name,
                    long value)
             throws java.lang.IllegalArgumentException

LongProperty constructor without a specified interval. Interval is defined as encompassing all long values.

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LongProperty

public LongProperty(java.lang.String name,
                    long value,
                    long min,
                    long max)
             throws java.lang.IllegalArgumentException

LongProperty constructor with a specified interval.

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LongProperty

private LongProperty(java.lang.String name,
                     long value,
                     LongInterval interval)

Used by clone() to produce a property with the same name and value, and with the same shared interval.

Method Detail

getValue

public java.lang.Object getValue()

Specified by:

getValue in class Property

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getLongValue

public long getLongValue()

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getMinValue

public long getMinValue()

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getMaxValue

public long getMaxValue()

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calculate

private void calculate()

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applyModifier

public void applyModifier(AbsoluteModifier absMod)

Applies an absolute modifier to the property. If the absolute modifier has the highest priority, property value is computed anew, and then bounded.

Specified by:

applyModifier in class Property

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applyModifier

public void applyModifier(RelativeModifier relMod)

Applies a relative modifier to the property. Property value is computed anew, and then bounded.

Specified by:

applyModifier in class Property

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removeModifier

public void removeModifier(AbsoluteModifier absMod)

Removes an absolute modifier previously applied to the property. Absolute modifier list is updated, and a new absolute modifier is chosen according to priority. Property value is then computed anew.

Specified by:

removeModifier in class Property

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removeModifier

public void removeModifier(RelativeModifier relMod)

Removes a relative modifier previously applied to the property. Property value is computed anew, and then bounded.

Specified by:

removeModifier in class Property

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save

public void save(java.io.OutputStream os)
          throws java.io.IOException

Description copied from interface: org.metacosm.framework.persistence.Persistent

Saves on the stream.

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load

public void load(java.io.InputStream is)
          throws java.io.IOException

Description copied from interface: org.metacosm.framework.persistence.Persistent

Loads from the stream.

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toString

public java.lang.String toString()

Description copied from class: java.lang.Object

Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

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clone

public java.lang.Object clone()

Description copied from class: java.lang.Object

This method may be called to create a new copy of the Object. The typical behavior is as follows:

• o == o.clone() is false
• o.getClass() == o.clone().getClass() is true
• o.equals(o) is true

However, these are not strict requirements, and may be violated if necessary. Of the three requirements, the last is the most commonly violated, particularly if the subclass does not override Object.equals(Object)>Object.equals(Object) 55 .

If the Object you call clone() on does not implement java.lang.Cloneable (which is a placeholder interface), then a CloneNotSupportedException is thrown. Notice that Object does not implement Cloneable; this method exists as a convenience for subclasses that do.

Object's implementation of clone allocates space for the new Object using the correct class, without calling any constructors, and then fills in all of the new field values with the old field values. Thus, it is a shallow copy. However, subclasses are permitted to make a deep copy.

All array types implement Cloneable, and override this method as follows (it should never fail):

 public Object clone()
 {
   try
     {
       super.clone();
     }
   catch (CloneNotSupportedException e)
     {
       throw new InternalError(e.getMessage());
     }
 }
 

Overrides:

clone in class Property

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