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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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.loganalysis.item;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Set;
/**
* An {@link IItem} used to store information related to network bandwidth, sensor usage,
* alarm usage by each processes
*/
public class ProcessUsageItem implements IItem {
/** Constant for JSON output */
public static final String PROCESS_USAGE = "PROCESS_USAGE";
private Collection<ProcessUsageInfoItem> mProcessUsage =
new LinkedList<ProcessUsageInfoItem>();
public static class SensorInfoItem extends GenericItem {
/** Constant for JSON output */
public static final String SENSOR_NAME = "SENSOR_NAME";
/** Constant for JSON output */
public static final String USAGE_DURATION = "USAGE_DURATION";
private static final Set<String> ATTRIBUTES = new HashSet<String>(Arrays.asList(
SENSOR_NAME, USAGE_DURATION));
/**
* The constructor for {@link SensorInfoItem}
*
* @param name The name of the sensor
* @param usageDuration Duration of the usage
*/
public SensorInfoItem(String name, long usageDuration) {
super(ATTRIBUTES);
setAttribute(SENSOR_NAME, name);
setAttribute(USAGE_DURATION, usageDuration);
}
/**
* Get the sensor name
*/
public String getSensorName() {
return (String) getAttribute(SENSOR_NAME);
}
/**
* Get the sensor usage duration in milliseconds
*/
public long getUsageDurationMs() {
return (long) getAttribute(USAGE_DURATION);
}
}
public static class ProcessUsageInfoItem extends GenericItem {
/** Constant for JSON output */
public static final String ALARM_WAKEUPS = "ALARM_WAKEUPS";
/** Constant for JSON output */
public static final String SENSOR_USAGE = "SENSOR_USAGE";
/** Constant for JSON output */
public static final String PROCESS_UID = "PROCESS_UID";
private static final Set<String> ATTRIBUTES = new HashSet<String>(Arrays.asList(
ALARM_WAKEUPS, SENSOR_USAGE, PROCESS_UID));
/**
* The constructor for {@link ProcessUsageItem}
*
* @param uid The name of the process
* @param alarmWakeups Number of alarm wakeups
* @param sensorUsage Different sensors used by the process
*/
public ProcessUsageInfoItem(String uid, int alarmWakeups,
LinkedList<SensorInfoItem> sensorUsage) {
super(ATTRIBUTES);
setAttribute(PROCESS_UID, uid);
setAttribute(ALARM_WAKEUPS, alarmWakeups);
setAttribute(SENSOR_USAGE, sensorUsage);
}
/**
* Get the number of Alarm wakeups
*/
public int getAlarmWakeups() {
return (int) getAttribute(ALARM_WAKEUPS);
}
/**
* Get the Sensor usage of the process
*/
@SuppressWarnings("unchecked")
public LinkedList<SensorInfoItem> getSensorUsage() {
return (LinkedList<SensorInfoItem>) getAttribute(SENSOR_USAGE);
}
/**
* Get the process name
*/
public String getProcessUID() {
return (String) getAttribute(PROCESS_UID);
}
/**
* {@inheritDoc}
*/
@Override
public JSONObject toJson() {
JSONObject object = new JSONObject();
try {
object.put(PROCESS_UID, getProcessUID());
JSONArray sensorUsage = new JSONArray();
for (SensorInfoItem usage : getSensorUsage()) {
sensorUsage.put(usage.toJson());
}
object.put(SENSOR_USAGE, sensorUsage);
object.put(ALARM_WAKEUPS, getAlarmWakeups());
} catch (JSONException e) {
// Ignore
}
return object;
}
}
/**
* Add individual process usage from the battery stats section.
*
* @param processUID The name of the process
* @param alarmWakeups The number of alarm wakeups
* @param sensorUsage Sensor usage of the process
*/
public void addProcessUsage(String processUID, int alarmWakeups,
LinkedList<SensorInfoItem> sensorUsage) {
mProcessUsage.add(new ProcessUsageInfoItem(processUID, alarmWakeups, sensorUsage));
}
/**
* {@inheritDoc}
*/
@Override
public IItem merge(IItem other) throws ConflictingItemException {
throw new ConflictingItemException("Wakelock items cannot be merged");
}
/**
* {@inheritDoc}
*/
@Override
public boolean isConsistent(IItem other) {
return false;
}
public Collection<ProcessUsageInfoItem> getProcessUsage() {
return mProcessUsage;
}
/**
* {@inheritDoc}
*/
@Override
public JSONObject toJson() {
JSONObject object = new JSONObject();
if (mProcessUsage != null) {
try {
JSONArray processUsage = new JSONArray();
for (ProcessUsageInfoItem usage : mProcessUsage) {
processUsage.put(usage.toJson());
}
object.put(PROCESS_USAGE, processUsage);
} catch (JSONException e) {
// Ignore
}
}
return object;
}
}
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