package org.ecoinformatics.oboe.syntheticdataquery;

import java.util.Map;
import java.util.TreeMap;

public class DataStatistics {

	//m1,m2 100%, i.e., they appear in all the tables
	//m3,m4 80%, i.e., they appear in 80% of the tables (e.g., when there are 100 tables, 80 tables have m3 and m4)
	//m5,m6 50%, similar
	//m7,m8 20%
	//m9,m10 10%
	//m11,m12 5%
	//m13,m14 1%
	protected static double[] m_probability = new double[]{1.0,1.0,0.8,0.8,0.5,0.5,0.2,0.2,0.1,0.1,0.05,0.05,0.01,0.01};
	
	protected static String[] m_measurements = new String[]{"m1","m2","m3","m4","m5","m6","m7","m8","m9","m10","m11","m12","m13","m14"};
	public static String m_meas_prefix = "m";
	//from the measurement to the entity
//	public static Map<String,String> m_meas2entity = new TreeMap<String,String>(){
//		private static final long serialVersionUID = 1L;
//		{ 
//	        put("m1","ent-key-m1");put("m2","ent-key-m2");put("m3","ent-key-m3");put("m4","ent-key-m4");
//	        put("m5","ent-key-m5");put("m6","ent-key-m6");put("m7","ent-key-m7");put("m8","ent-key-m8");
//	        put("m9","ent-key-m9");put("m10","ent-key-m10");put("m11","ent-key-m11");put("m12","ent-key-m12");
//	        put("m13","ent-key-m13");put("m14","ent-key-m14");
//        }
//	};

	//the ratio of the unique values of the key measurements among all the values 
	protected static double m_key_uniquevalue_ratio = 0.5;
	
	//each observation can have [1,5] (i.e., [3-2, 3+2]) measurements 
	protected static int m_measnum_per_obs_mean = 3;
	protected static int m_measnum_per_obs_var = 2;
	
	public static String getEntityTypeForMeas(String measLabel){
		String entityTypeName = "ent-key-"+measLabel;
		return entityTypeName;
	}
	
	public static String getObsType(String entityType){
		String obsTypeName = "obs-"+entityType;
		return obsTypeName;
	}
}