package schedframe.scheduling;

import schedframe.scheduling.utils.DescriptionContainer;
import schedframe.scheduling.utils.ResourceParameterName;

/**
 * 
 * @author Marcin Krystek
 *
 * @param <T>
 */
public abstract class AbstractResourceRequirements<T> implements DescriptionContainer<T> {

	protected T resourceRequirements;
	protected boolean isBestEffort;
	
	
	protected AbstractResourceRequirements(){
		this.isBestEffort = true;
	}
	/**
	 * 
	 * @param parameterName name of the task resource requirement
	 * @return value of the numeral parameter which describes task resource requirement
	 * @throws NoSuchFieldException if such parameter is not defined
	 * @throws IllegalArgumentException if requested parameter is String value
	 */
	public abstract double getParameterDoubleValue(ResourceParameterName parameterName)
		throws NoSuchFieldException, IllegalArgumentException;
	
	/**
	 * 
	 * @param parameterName name of the task resource requirement
	 * @return value of the String parameter which describes task resource requirement
	 * @throws NoSuchFieldException if such parameter is not defined
	 * @throws IllegalArgumentException if requested parameter is Double value
	 */
	public abstract String getParameterStringValue(ResourceParameterName parameterName)
		throws NoSuchFieldException, IllegalArgumentException;
	
	
	public double getCpuCntRequest() throws NoSuchFieldException{
		return getParameterDoubleValue(ResourceParameterName.CPUCOUNT);
	}
	
	public double getMemoryRequest() throws NoSuchFieldException{
		return getParameterDoubleValue(ResourceParameterName.MEMORY);
	}
	
	public int getProcessesCount(){
		return 1;
	}
	
	public boolean isBestEffort(){
		return this.isBestEffort;
	}
	
	public void setBestEffort(boolean value){
		this.isBestEffort = value;
	}
	
}