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## org.ascape.model.rule
Class Diffusion

    java.lang.Object
      org.ascape.model.AscapeObject
          org.ascape.model.rule.Rule
              org.ascape.model.rule.ExecuteThenUpdate
                  org.ascape.model.rule.Diffusion

All Implemented Interfaces:
  java.io.Serializable, java.lang.Cloneable, HasName, RandomFunctions

Direct Known Subclasses:
  ParameterizedDiffusion

    public abstract class Diffusion

extends ExecuteThenUpdate

A rule causing some agent value to diffuse to its neighbors.

Since:
  1.0
Version:
  1.9.2
Author:
  Miles Parker
See Also:
  Serialized Form

Field Summary

Fields inherited from class org.ascape.model.AscapeObject
`ARBITRARY_SEED, name, PLATFORM_DEFAULT_COLOR, scape`

Constructor Summary
`Diffusion(java.lang.String name)` Constructs a diffusion rule with the provided name.

Method Summary
`void` | `execute(Agent agent)` Calculate and store diffusion value to neighbors.
`abstract double` | `getDiffusionValue(Agent agent)` Override with a call to the getter of the value to diffuse.
`boolean` | `isRandomExecution()` Does this action affect the state of any other agent in such a way that that another agent's execution of this rule would be affected? Used to determine safe optimization of iterations.
`abstract void` | `setDiffusionValue(Agent agent, double value)` Override with a call to the setter of the diffused value.
`void` | `update(Agent agent)` Update diffusion value.

Methods inherited from class org.ascape.model.rule.Rule
`getScape, isCauseRemoval, isIterateAll, setScape`

Methods inherited from class org.ascape.model.AscapeObject
`clone, diffDeep, diffDeep, diffDeepBFS, diffDeepDFS, diffDeepValidate, diffDeepVisit, equalsDeep, equalsDeep, equalsDeep, getComparisonStream, getName, getRandom, getRandomSeed, randomInRange, randomInRange, randomIs, randomToLimit, reseed, setComparisonStream, setName, setRandom, setRandomSeed, toString`

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### Diffusion

    public Diffusion(java.lang.String name)

  Constructs a diffusion rule with the provided name.

  Parameters:
    `name` - the name of this object

Method Detail

### getDiffusionValue

    public abstract double getDiffusionValue(Agent agent)

  Override with a call to the getter of the value to diffuse.

  Parameters:
    `agent` - the agent
  Returns:
    the diffusion value

### setDiffusionValue

    public abstract void setDiffusionValue(Agent agent,
                                           double value)

  Override with a call to the setter of the diffused value.

  Parameters:
    `agent` - the agent
    `value` - the value

### execute

    public void execute(Agent agent)

  Calculate and store diffusion value to neighbors.

  Specified by:
    `execute` in class `ExecuteThenUpdate`
  Parameters:
    `agent` - the playing agent

### update

    public void update(Agent agent)

  Update diffusion value. Occurs only when all diffusion has been calculated.

  Specified by:
    `update` in class `ExecuteThenUpdate`
  Parameters:
    `agent` - the agent

### isRandomExecution

    public boolean isRandomExecution()

  Description copied from class: `Rule`
  Does this action affect the state of any other agent in such a way that that another agent's execution of this rule would be affected? Used to determine safe optimization of iterations.

  Overrides:
    `isRandomExecution` in class `Rule`
  Returns:
    true, if is random execution

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