praktikum-holons/src/holeg/model/HolonObject.java

package holeg.model;


import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.stream.Stream;



/**
 * The class HolonObject represents any Object on the system which capability of
 * injecting or consuming energy on the network, for instance a house or a power
 * plant.
 *
 * @author Gruppe14
 */
public class HolonObject extends AbstractCanvasObject { 
    /* Array of all consumers */
    private List<HolonElement> elements = new ArrayList<HolonElement>();
    
    
    /**
     * Constructor Set by default the name of the object equals to the category
     * name, until the user changes it.
     *
     * @param objName name of the Object
     */
    public HolonObject(String objName) {
        super(objName);
    }

    /**
     * Contructor of a copy of an Object.
     *
     * @param obj object to be copied
     */
    public HolonObject(HolonObject obj) {
        super(obj);
        for(HolonElement ele : obj.elements) {
        	this.add(new HolonElement(ele));
        }
    }

    @Override
    public void initForReflection() {
    	elements = new ArrayList<HolonElement>();
    }
    
    
 

    /**
     * Getter for all Elements in the HolonObject.
     *
     * @return the elements ArrayList
     */
    public Stream<HolonElement> getElements() {
        return elements.stream();
    }
    
    public void clearElements() {
    	elements.clear();
    }

    /**
     * adds an Element to the Object.
     *
     * @param element the Element to add
     */
    public void add(HolonElement element) {
        elements.add(element);
        element.parentObject = this;
    }
    
    /**
     * adds an Element to the Object.
     *
     * @param element the Element to add
     */
    public void add(Collection<HolonElement> elements) {
    	for(HolonElement hE : elements) {
    		hE.parentObject = this;    		
    	}
    	this.elements.addAll(elements);
    }
    
    
    /**
     * remove an Element to the Object.
     *
     * @param element the Element to add
     */
    public void remove(HolonElement element) {
        elements.remove(element);
        element.parentObject = null;
    }

    public void removeElement(int index) {
    	HolonElement ele = elements.remove(index);
    	ele.parentObject = null;
	}
    
    /**
     * This Method returns the smallest consuming HolonElement that is ACTIVE.
     * If the HolonObject has no Consumer its return null. 
     * @param timestep is the TimeStep to compare the HolonElements.
     * @return The smallest consuming HolonElement or null.
     */
    public HolonElement getMinimumConsumingElement(){
    	return elements.stream().filter(element -> element.getActualEnergy() < 0).max((lhs,rhs) -> Float.compare(lhs.getActualEnergy(), rhs.getActualEnergy())).orElse(null);
    }
    /**
     * This Method returns the smallest consuming HolonElement'Energy that is ACTIVE.
     * If the HolonObject has no Consumer its return 0. 
     * @param timestep is the TimeStep to compare the HolonElements.
     * @return The smallest consuming HolonElement or 0.
     */
    public float getMinimumConsumingElementEnergy(){
    	return elements.stream().filter(element -> element.getActualEnergy() < 0 ).map(element -> -element.getActualEnergy()).min((lhs,rhs) ->Float.compare(lhs, rhs)).orElse(0.0f);
    }
    /**
     * This Method returns the biggest consuming HolonElement'Energy that is ACTIVE.
     * If the HolonObject has no Consumer its return 0. 
     * @param timestep is the TimeStep to compare the HolonElements.
     * @return The biggest consuming HolonElement or 0.
     */
    public float getMaximumConsumingElementEnergy(){
    	return elements.stream().filter(element -> element.getActualEnergy() < 0 ).map(element -> -element.getActualEnergy()).max((lhs,rhs) ->Float.compare(lhs, rhs)).orElse(0.0f);
    }
    
    
    public float getMaximumProductionPossible() {
    	return elements.stream().filter(element -> element.getEnergy() > 0).map(element -> element.getEnergy()).reduce(0.0f, Float::sum);
    }
    public float getMaximumConsumptionPossible() {
    	return elements.stream().filter(element -> element.getEnergy() < 0).map(element -> -element.getEnergy()).reduce(0.0f, Float::sum);
    }
    
    /** 
     * This Method returns the Energy that all HolonElements from the HolonObject produce by itself. Its sums all Energies from the HolonElements of the HolonObject that are ACTIVE and are Producer.
     * If the HolonObject have no HolonElement its return 0;
     * @param timestep is the TimeStep to compare the HolonElements.
     * @return The Energy of the producing HolonElements.
     */
    public float getEnergySelfProducingFromProducingElements() {
    	return elements.stream().filter(element -> element.getActualEnergy() > 0).map(element -> element.getActualEnergy()).reduce(0.0f, Float::sum);
    }
    /** 
     * This Method returns the Energy of all HolonElements from the HolonObject that are consuming. Its sums all Energies from the HolonElements of the HolonObject that are ACTIVE and are Consumer.
     * If the HolonObject have no HolonElement its return 0;
     * @param timestep is the TimeStep to compare the HolonElements.
     * @return The Energy of the consuming HolonElements.
     */
    public float getEnergyNeededFromConsumingElements() {
    	return elements.stream().filter(element -> element.getActualEnergy() < 0).map(element -> -element.getActualEnergy()).reduce(0.0f, Float::sum);
    }
    /**
     * This Method calculate the amount of HolonElements that are consuming Energy and are ACTIVE.
     * @param timestep is the TimeStep to compare the HolonElements.
     * @return The amount of HolonElements that are consuming Energy.
     */
    public int countConsumingElements() {
    	return (int) elements.stream().filter(element ->  element.getActualEnergy() < 0).count();
    }
    /**
     * This Method calculate the amount of HolonElements that are producing Energy and are ACTIVE.
     * @param timestep is the TimeStep to compare the HolonElements.
     * @return The amount of HolonElements that are producing Energy.
     */
    public int countProducingElements() {
    	return (int) elements.stream().filter(element ->  element.getActualEnergy() > 0).count();
    }
    
    public int getNumberOfActiveElements() {
    	return (int) elements.stream().filter(ele -> ele.active).count();
    }
    
    public int getNumberOfInActiveElements() {
    	return (int) elements.stream().filter(ele -> !ele.active).count();
    }
    
    public int getNumberOfElements() {
    	return elements.size();
    }
   
    /*
     * STATE
     */
    private float actualEnergy;
    
    
    /** 
     * This Method returns the Energy of a HolonObject. Its sums all Energies from the HolonElements of the HolonObject that are ACTIVE.
     * If the HolonObject have no HolonElement its return 0;
     * Is the returned Energy negative then the HolonObject need Energy because its consuming HolonElements need more Energy then the producing HolonElements.
     * Is the returned Energy positive its reversed.
     * @param timestep is the TimeStep to compare the HolonElements.
     * @return The Energy of the HolonObject.
     */
    public void calculateEnergy(int timestep)
    {
    	elements.forEach(ele -> ele.calculateState(timestep));
    	actualEnergy = elements.stream().map(element -> element.getActualEnergy()).reduce(0.0f, Float::sum);
    }
    
    
    public float getActualEnergy()
    {
    	return actualEnergy;
    }

    
    
    
    
    





   

    public String toString() {
        StringBuilder sb = new StringBuilder();

        sb.append("[HolonObject: ");
        sb.append("id=").append(getId())
                .append(", name=").append(name)
                .append(", state=");
        sb.append(", elements=[");
        for (int i = 0; i < elements.size(); i++) {
            HolonElement el = elements.get(i);
            if (i != 0) {
                sb.append(", ");
            }
            sb.append(el.getName());
        }
        sb.append("]]");

        return sb.toString();
    }
    



	
}