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1 /*
2  * Copyright (c) 2016 Google Inc. All Rights Reserved.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you
5  * may not use this file except in compliance with the License. You may
6  * obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
13  * implied. See the License for the specific language governing
14  * permissions and limitations under the License.
15  */
16 
17 package com.android.vts.util;
18 
19 import com.android.vts.entity.ProfilingPointRunEntity;
20 import com.google.gson.JsonObject;
21 import com.google.gson.JsonPrimitive;
22 
23 /** Helper object for describing graph data. */
24 public abstract class Graph {
25     public static final String VALUE_KEY = "values";
26     public static final String X_LABEL_KEY = "x_label";
27     public static final String Y_LABEL_KEY = "y_label";
28     public static final String IDS_KEY = "ids";
29     public static final String NAME_KEY = "name";
30     public static final String TYPE_KEY = "type";
31 
32     public static enum GraphType { LINE_GRAPH, HISTOGRAM, BOX_PLOT }
33 
34     /**
35      * Get the graph type.
36      *
37      * @return The graph type.
38      */
getType()39     public abstract GraphType getType();
40 
41     /**
42      * Get the x axis label.
43      *
44      * @return The x axis label.
45      */
getXLabel()46     public abstract String getXLabel();
47 
48     /**
49      * Get the y axis label.
50      *
51      * @return The y axis label.
52      */
getYLabel()53     public abstract String getYLabel();
54 
55     /**
56      * Get the name of the graph.
57      *
58      * @return The name of the graph.
59      */
getName()60     public abstract String getName();
61 
62     /**
63      * Get the number of data points stored in the graph.
64      *
65      * @return The number of data points stored in the graph.
66      */
size()67     public abstract int size();
68 
69     /**
70      * Add data to the graph.
71      *
72      * @param id The name of the graph.
73      * @param profilingPoint The ProfilingPointEntity containing data to add.
74      */
addData(String id, ProfilingPointRunEntity profilingPoint)75     public abstract void addData(String id, ProfilingPointRunEntity profilingPoint);
76 
77     /**
78      * Serializes the graph to json format.
79      *
80      * @return A JsonElement object representing the graph object.
81      */
toJson()82     public JsonObject toJson() {
83         JsonObject json = new JsonObject();
84         json.add(X_LABEL_KEY, new JsonPrimitive(getXLabel()));
85         json.add(Y_LABEL_KEY, new JsonPrimitive(getYLabel()));
86         json.add(NAME_KEY, new JsonPrimitive(getName()));
87         json.add(TYPE_KEY, new JsonPrimitive(getType().toString()));
88         return json;
89     }
90 }
91