mobile/android/base/background/healthreport/HealthReportStorage.java

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 package org.mozilla.gecko.background.healthreport;
michael@0 6
michael@0 7 import org.json.JSONObject;
michael@0 8
michael@0 9 import android.database.Cursor;
michael@0 10 import android.util.SparseArray;
michael@0 11
michael@0 12 /**
michael@0 13 * Abstraction over storage for Firefox Health Report on Android.
michael@0 14 */
michael@0 15 public interface HealthReportStorage {
michael@0 16 // Right now we only care about the name of the field.
michael@0 17 public interface MeasurementFields {
michael@0 18 public class FieldSpec {
michael@0 19 public final String name;
michael@0 20 public final int type;
michael@0 21 public FieldSpec(String name, int type) {
michael@0 22 this.name = name;
michael@0 23 this.type = type;
michael@0 24 }
michael@0 25 }
michael@0 26 Iterable<FieldSpec> getFields();
michael@0 27 }
michael@0 28
michael@0 29 public abstract class Field {
michael@0 30 protected static final int UNKNOWN_TYPE_OR_FIELD_ID = -1;
michael@0 31
michael@0 32 protected static final int FLAG_INTEGER = 1 << 0;
michael@0 33 protected static final int FLAG_STRING = 1 << 1;
michael@0 34 protected static final int FLAG_JSON = 1 << 2;
michael@0 35
michael@0 36 protected static final int FLAG_DISCRETE = 1 << 8;
michael@0 37 protected static final int FLAG_LAST = 1 << 9;
michael@0 38 protected static final int FLAG_COUNTER = 1 << 10;
michael@0 39
michael@0 40 protected static final int FLAG_COUNTED = 1 << 14;
michael@0 41
michael@0 42 public static final int TYPE_INTEGER_DISCRETE = FLAG_INTEGER | FLAG_DISCRETE;
michael@0 43 public static final int TYPE_INTEGER_LAST = FLAG_INTEGER | FLAG_LAST;
michael@0 44 public static final int TYPE_INTEGER_COUNTER = FLAG_INTEGER | FLAG_COUNTER;
michael@0 45
michael@0 46 public static final int TYPE_STRING_DISCRETE = FLAG_STRING | FLAG_DISCRETE;
michael@0 47 public static final int TYPE_STRING_LAST = FLAG_STRING | FLAG_LAST;
michael@0 48
michael@0 49 public static final int TYPE_JSON_DISCRETE = FLAG_JSON | FLAG_DISCRETE;
michael@0 50 public static final int TYPE_JSON_LAST = FLAG_JSON | FLAG_LAST;
michael@0 51
michael@0 52 public static final int TYPE_COUNTED_STRING_DISCRETE = FLAG_COUNTED | TYPE_STRING_DISCRETE;
michael@0 53
michael@0 54 protected int fieldID = UNKNOWN_TYPE_OR_FIELD_ID;
michael@0 55 protected int flags;
michael@0 56
michael@0 57 protected final String measurementName;
michael@0 58 protected final String measurementVersion;
michael@0 59 protected final String fieldName;
michael@0 60
michael@0 61 public Field(String mName, int mVersion, String fieldName, int type) {
michael@0 62 this.measurementName = mName;
michael@0 63 this.measurementVersion = Integer.toString(mVersion, 10);
michael@0 64 this.fieldName = fieldName;
michael@0 65 this.flags = type;
michael@0 66 }
michael@0 67
michael@0 68 /**
michael@0 69 * @return the ID for this <code>Field</code>
michael@0 70 * @throws IllegalStateException if this field is not found in storage
michael@0 71 */
michael@0 72 public abstract int getID() throws IllegalStateException;
michael@0 73
michael@0 74 public boolean isIntegerField() {
michael@0 75 return (this.flags & FLAG_INTEGER) > 0;
michael@0 76 }
michael@0 77
michael@0 78 public boolean isStringField() {
michael@0 79 return (this.flags & FLAG_STRING) > 0;
michael@0 80 }
michael@0 81
michael@0 82 public boolean isJSONField() {
michael@0 83 return (this.flags & FLAG_JSON) > 0;
michael@0 84 }
michael@0 85
michael@0 86 public boolean isStoredAsString() {
michael@0 87 return (this.flags & (FLAG_JSON | FLAG_STRING)) > 0;
michael@0 88 }
michael@0 89
michael@0 90 public boolean isDiscreteField() {
michael@0 91 return (this.flags & FLAG_DISCRETE) > 0;
michael@0 92 }
michael@0 93
michael@0 94 /**
michael@0 95 * True if the accrued values are intended to be bucket-counted. For strings,
michael@0 96 * each discrete value will name a bucket, with the number of instances per
michael@0 97 * day being the value in the bucket.
michael@0 98 */
michael@0 99 public boolean isCountedField() {
michael@0 100 return (this.flags & FLAG_COUNTED) > 0;
michael@0 101 }
michael@0 102 }
michael@0 103
michael@0 104 /**
michael@0 105 * Close open storage handles and otherwise finish up.
michael@0 106 */
michael@0 107 public void close();
michael@0 108
michael@0 109 /**
michael@0 110 * Return the day integer corresponding to the provided time.
michael@0 111 *
michael@0 112 * @param time
michael@0 113 * milliseconds since Unix epoch.
michael@0 114 * @return an integer day.
michael@0 115 */
michael@0 116 public int getDay(long time);
michael@0 117
michael@0 118 /**
michael@0 119 * Return the day integer corresponding to the current time.
michael@0 120 *
michael@0 121 * @return an integer day.
michael@0 122 */
michael@0 123 public int getDay();
michael@0 124
michael@0 125 /**
michael@0 126 * Return a new {@link Environment}, suitable for being populated, hashed, and
michael@0 127 * registered.
michael@0 128 *
michael@0 129 * @return a new {@link Environment} instance.
michael@0 130 */
michael@0 131 public Environment getEnvironment();
michael@0 132
michael@0 133 /**
michael@0 134 * @return a mapping from environment IDs to hashes, suitable for use in
michael@0 135 * payload generation.
michael@0 136 */
michael@0 137 public SparseArray<String> getEnvironmentHashesByID();
michael@0 138
michael@0 139 /**
michael@0 140 * @return a mapping from environment IDs to registered {@link Environment}
michael@0 141 * records, suitable for use in payload generation.
michael@0 142 */
michael@0 143 public SparseArray<Environment> getEnvironmentRecordsByID();
michael@0 144
michael@0 145 /**
michael@0 146 * @param id
michael@0 147 * the environment ID, as returned by {@link Environment#register()}.
michael@0 148 * @return a cursor for the record.
michael@0 149 */
michael@0 150 public Cursor getEnvironmentRecordForID(int id);
michael@0 151
michael@0 152 /**
michael@0 153 * @param measurement
michael@0 154 * the name of a measurement, such as "org.mozilla.appInfo.appInfo".
michael@0 155 * @param measurementVersion
michael@0 156 * the version of a measurement, such as '3'.
michael@0 157 * @param fieldName
michael@0 158 * the name of a field, such as "platformVersion".
michael@0 159 *
michael@0 160 * @return a {@link Field} instance corresponding to the provided values.
michael@0 161 */
michael@0 162 public Field getField(String measurement, int measurementVersion,
michael@0 163 String fieldName);
michael@0 164
michael@0 165 /**
michael@0 166 * @return a mapping from field IDs to {@link Field} instances, suitable for
michael@0 167 * use in payload generation.
michael@0 168 */
michael@0 169 public SparseArray<Field> getFieldsByID();
michael@0 170
michael@0 171 public void recordDailyLast(int env, int day, int field, JSONObject value);
michael@0 172 public void recordDailyLast(int env, int day, int field, String value);
michael@0 173 public void recordDailyLast(int env, int day, int field, int value);
michael@0 174 public void recordDailyDiscrete(int env, int day, int field, JSONObject value);
michael@0 175 public void recordDailyDiscrete(int env, int day, int field, String value);
michael@0 176 public void recordDailyDiscrete(int env, int day, int field, int value);
michael@0 177 public void incrementDailyCount(int env, int day, int field, int by);
michael@0 178 public void incrementDailyCount(int env, int day, int field);
michael@0 179
michael@0 180 /**
michael@0 181 * Return true if events exist that were recorded on or after <code>time</code>.
michael@0 182 */
michael@0 183 boolean hasEventSince(long time);
michael@0 184
michael@0 185 /**
michael@0 186 * Obtain a cursor over events that were recorded since <code>time</code>.
michael@0 187 * This cursor exposes 'raw' events, with integer identifiers for values.
michael@0 188 */
michael@0 189 public Cursor getRawEventsSince(long time);
michael@0 190
michael@0 191 /**
michael@0 192 * Obtain a cursor over events that were recorded since <code>time</code>.
michael@0 193 *
michael@0 194 * This cursor exposes 'friendly' events, with string names and full
michael@0 195 * measurement metadata.
michael@0 196 */
michael@0 197 public Cursor getEventsSince(long time);
michael@0 198
michael@0 199 /**
michael@0 200 * Ensure that a measurement and all of its fields are registered with the DB.
michael@0 201 * No fields will be processed if the measurement exists with the specified
michael@0 202 * version.
michael@0 203 *
michael@0 204 * @param measurement
michael@0 205 * a measurement name, such as "org.mozila.appInfo.appInfo".
michael@0 206 * @param version
michael@0 207 * a version number, such as '3'.
michael@0 208 * @param fields
michael@0 209 * a {@link MeasurementFields} instance, consisting of a collection
michael@0 210 * of field names.
michael@0 211 */
michael@0 212 public void ensureMeasurementInitialized(String measurement,
michael@0 213 int version,
michael@0 214 MeasurementFields fields);
michael@0 215 public Cursor getMeasurementVersions();
michael@0 216 public Cursor getFieldVersions();
michael@0 217 public Cursor getFieldVersions(String measurement, int measurementVersion);
michael@0 218
michael@0 219 public void deleteEverything();
michael@0 220 public void deleteEnvironments();
michael@0 221 public void deleteMeasurements();
michael@0 222 /**
michael@0 223 * Deletes all environments, addons, and events from the database before the given time.
michael@0 224 *
michael@0 225 * @param time milliseconds since epoch.
michael@0 226 * @param curEnv The ID of the current environment.
michael@0 227 * @return The number of environments and addon entries deleted.
michael@0 228 */
michael@0 229 public int deleteDataBefore(final long time, final int curEnv);
michael@0 230
michael@0 231 public int getEventCount();
michael@0 232 public int getEnvironmentCount();
michael@0 233
michael@0 234 public void pruneEvents(final int num);
michael@0 235 public void pruneEnvironments(final int num);
michael@0 236
michael@0 237 public void enqueueOperation(Runnable runnable);
michael@0 238 }

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