upsimulator.rules.conditions

Class PriorityCondition

java.lang.Object

upsimulator.rules.conditions.PriorityCondition

All Implemented Interfaces:

java.lang.Cloneable, Condition

public class PriorityCondition
extends java.lang.Object
implements Condition

Represent minimum priority condition in P system.

Priority condition must not be put at the front of any object conditions in multi-thread context. PriorityCondition must be put at the tail of condition's list, or there will be some mistake.

Author:

quan

Constructor Summary

Constructors

Constructor and Description
PriorityCondition(int priority)

Method Summary

Modifier and Type	Method and Description
PriorityCondition	deepClone() Deep clone this condition
static boolean	exist()
int	fetch(Membrane membrane, int times) If the highest priority equals to priority, this rule will fetch.
int	getPriority()
int	satisfy(Membrane membrane) Save the highest priority.
void	setPriority(int priority)
java.lang.String	toString()
void	withdrawFetch(Membrane membrane, int times) If some conditions in one rule cannot fetch the objects then the conditions which have fetched the objects they need withdraw the objects they have fetched.

Methods inherited from class java.lang.Object

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

Constructor Detail

PriorityCondition

public PriorityCondition(int priority)

Method Detail

exist

public static boolean exist()

deepClone

public PriorityCondition deepClone()

Description copied from interface: Condition

Deep clone this condition

Specified by:

deepClone in interface Condition

Returns:

the cloned condition

satisfy

public int satisfy(Membrane membrane)

Save the highest priority.

Specified by:

satisfy in interface Condition

Parameters:

membrane - the membrane where to check the condition

Returns:

satisfied times. return 0 if not satisfied.

fetch

public int fetch(Membrane membrane,
                 int times)

If the highest priority equals to priority, this rule will fetch.

Specified by:

fetch in interface Condition

Parameters:

membrane - the membrane where to fetch objects

times - how many times going to fetch

Returns:

the times successfully fetch

withdrawFetch

public void withdrawFetch(Membrane membrane,
                          int times)

Description copied from interface: Condition

If some conditions in one rule cannot fetch the objects then the conditions which have fetched the objects they need withdraw the objects they have fetched.

Specified by:

withdrawFetch in interface Condition

Parameters:

membrane - the membrane current condition withdraw objects to

times - withdraw fetch times

getPriority

public int getPriority()

setPriority

public void setPriority(int priority)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object