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ca.spaz.cron.database.Serving	11%	83%

1		/*
2		* Created on Apr 2, 2005 by davidson
3		*/
4		package ca.spaz.cron.database;
5
6		import java.util.*;
7
8		import org.apache.log4j.Logger;
9
10		import ca.spaz.cron.datasource.ILocalFoodDatasource;
11
12		/**
13		* Stores an amount and time of a food serving
14		*
15		* @author davidson
16		*/
17	10	public class Serving {
18		/**
19		* Logger for this class
20		*/
21	13	private static final Logger logger = Logger.getLogger(Serving.class);
22
23	40	private int ID = -1;
24
25		private Food food;
26
27		private double grams;
28	40	private Measure measure = Measure.GRAM;
29
30		private Date date;
31
32		private int meal;
33
34	80	public Serving() {}
35
36		public Serving(Food f) {
37	0	this(f, 1.0);
38	0	}
39
40	0	public Serving(Food f, double grams) {
41	0	this.food = f;
42	0	this.grams = grams;
43	0	this.date = new Date(System.currentTimeMillis());
44	0	this.meal = -1;
45	0	}
46
47
48		public double getGrams() {
49	0	return grams;
50		}
51
52
53		public double getAmount() {
54	0	assert(getMeasure() != null);
55	0	return getGrams()/getMeasure().getGrams();
56		}
57
58
59		public void setAmount(double val) {
60	0	assert(getMeasure() != null);
61		// TODO: verify this is correct with measures that have Amount != 1
62	0	setGrams(getMeasure().getGrams() * val);
63	0	}
64
65		public Food getFood() {
66	60	return food;
67		}
68
69		public Date getDate() {
70	0	return date;
71		}
72
73		public void setDate(Date d) {
74	0	this.date = d;
75	0	}
76
77		/**
78		* @return true if the object is already in the database
79		*/
80		public boolean exists() {
81	0	return ID != -1;
82		}
83
84		/**
85		* Add the current food to the current day
86		*/
87		/* public void addToDatabase() {
88		ILocalFoodDatasource lds = (ILocalFoodDatasource) getFood().getDataSource();
89		lds.consumeFood(this);
90		}
91		*/
92		/**
93		* Update the existing food information
94		*/
95		public void updateDatabase() {
96	0	ILocalFoodDatasource lds = (ILocalFoodDatasource) getFood().getDataSource();
97	0	lds.changeServingAmount(this);
98	0	}
99
100		public void deleteFromDatabase() {
101	0	ILocalFoodDatasource lds = (ILocalFoodDatasource) getFood().getDataSource();
102	0	lds.removeServing(this);
103	0	}
104
105		public void setGrams(double amount) {
106	0	this.grams = amount;
107	0	}
108
109		/**
110		* @return the ID of the meal this serving was eaten at.
111		*/
112		public int getMeal() {
113	0	return meal;
114		}
115
116		/**
117		* @return Returns the iD.
118		*/
119		public int getID() {
120	0	return ID;
121		}
122		/**
123		* @param id The ID to set.
124		*/
125		public void setID(int id) {
126	0	ID = id;
127	0	}
128		/**
129		* @return Returns the measure.
130		*/
131		public Measure getMeasure() {
132	0	return measure;
133		}
134		/**
135		* @param measure The measure to set.
136		*/
137		public void setMeasure(Measure measure) {
138	0	this.measure = measure;
139	0	}
140		/**
141		* @param meal The meal to set.
142		*/
143		public void setMeal(int meal) {
144	0	this.meal = meal;
145	0	}
146
147		/**
148		* @param food
149		*/
150		public void setFood(Food food) {
151	0	this.food = food;
152		// map existing measure to a matching measure in this food
153		// this is a hack to work around converting from a food
154		// in one datasource to another...
155	0	if (food == null) return;
156	0	List measures = getFood().getMeasures();
157	0	if (measures == null) return;
158	0	for (int i=0; i<measures.size(); i++) {
159	0	Measure m = (Measure)measures.get(i);
160	0	if (m == measure) return;
161	0	if (m.getGrams() == measure.getGrams()) {
162	0	if (m.getDescription().equals(measure.getDescription())) {
163	0	setMeasure(m);
164		}
165		}
166		}
167	0	}
168
169		public void setMeasure(int MID) {
170	0	List measures = getFood().getMeasures();
171	0	for (int i=0; i<measures.size(); i++) {
172	0	Measure m = (Measure)measures.get(i);
173	0	if (m.getID() == MID) setMeasure(m);
174		}
175	0	}
176		}

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