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/*
* Copyright (c) 2016 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package com.android.vts.util;
import com.android.vts.entity.ProfilingPointRunEntity;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/** Helper object for describing graph data. */
public class LineGraph extends Graph {
public static final String TICKS_KEY = "ticks";
private List<ProfilingPointRunEntity> profilingRuns;
private List<String> ids;
private String xLabel;
private String yLabel;
private String name;
private GraphType type = GraphType.LINE_GRAPH;
public LineGraph(String name) {
this.name = name;
profilingRuns = new ArrayList<>();
ids = new ArrayList<>();
}
/**
* Get the x axis label.
*
* @return The x axis label.
*/
@Override
public String getXLabel() {
return xLabel;
}
/**
* Get the graph type.
*
* @return The graph type.
*/
@Override
public GraphType getType() {
return type;
}
/**
* Get the name of the graph.
*
* @return The name of the graph.
*/
@Override
public String getName() {
return name;
}
/**
* Get the y axis label.
*
* @return The y axis label.
*/
@Override
public String getYLabel() {
return yLabel;
}
/**
* Get the number of data points stored in the graph.
*
* @return The number of data points stored in the graph.
*/
@Override
public int size() {
return profilingRuns.size();
}
/**
* Add data to the graph.
*
* @param id The name of the graph.
* @param profilingPoint The ProfilingPointRunEntity containing data to add.
*/
@Override
public void addData(String id, ProfilingPointRunEntity profilingPoint) {
if (profilingPoint.getValues().size() == 0
|| profilingPoint.getValues().size() != profilingPoint.getLabels().size())
return;
ids.add(id);
profilingRuns.add(profilingPoint);
xLabel = profilingPoint.getXLabel();
yLabel = profilingPoint.getYLabel();
}
/**
* Serializes the graph to json format.
*
* @return A JsonElement object representing the graph object.
*/
@Override
public JsonObject toJson() {
JsonObject json = super.toJson();
// Use the most recent profiling vector to generate the labels
ProfilingPointRunEntity profilingRun = profilingRuns.get(profilingRuns.size() - 1);
List<String> axisTicks = new ArrayList<>();
Map<String, Integer> tickIndexMap = new HashMap<>();
for (int i = 0; i < profilingRun.getLabels().size(); i++) {
String label = profilingRun.getLabels().get(i);
axisTicks.add(label);
tickIndexMap.put(label, i);
}
long[][] lineGraphValues = new long[axisTicks.size()][profilingRuns.size()];
for (int reportIndex = 0; reportIndex < profilingRuns.size(); reportIndex++) {
ProfilingPointRunEntity pt = profilingRuns.get(reportIndex);
for (int i = 0; i < pt.getLabels().size(); i++) {
String label = pt.getLabels().get(i);
// Skip value if its label is not present
if (!tickIndexMap.containsKey(label))
continue;
int labelIndex = tickIndexMap.get(label);
lineGraphValues[labelIndex][reportIndex] = pt.getValues().get(i);
}
}
json.add(VALUE_KEY, new Gson().toJsonTree(lineGraphValues).getAsJsonArray());
json.add(IDS_KEY, new Gson().toJsonTree(ids).getAsJsonArray());
json.add(TICKS_KEY, new Gson().toJsonTree(axisTicks));
return json;
}
}
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