package com.localytics.android; import java.io.File; import java.util.Arrays; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.Map; import java.util.Set; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.DatabaseUtils; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; import android.database.sqlite.SQLiteQueryBuilder; import android.provider.BaseColumns; import android.util.Log; /** * Implements the storage mechanism for the Localytics library. The interface and implementation are similar to a ContentProvider * but modified to be better suited to a library. The interface is table-oriented, rather than Uri-oriented. *

* This is not a public API. */ /* package */final class LocalyticsProvider { /** * Name of the Localytics database, stored in the host application's {@link Context#getDatabasePath(String)}. *

* This is not a public API. */ /* * This field is made package-accessible for unit testing. While the exact file name is arbitrary, this name was chosen to * avoid collisions with app developers because it is sufficiently long and uses the Localytics package namespace. */ /* package */static final String DATABASE_FILE = "com.localytics.android.%s.sqlite"; //$NON-NLS-1$ /** * Version of the database. *

* Version history: *

    *
  1. 1: Initial version
  2. *
  3. 2: No format changes--just deleting bad data stranded in the database
  4. *
*/ private static final int DATABASE_VERSION = 2; /** * Singleton instance of the {@link LocalyticsProvider}. Lazily initialized via {@link #getInstance(Context, String)}. */ private static final Map sLocalyticsProviderMap = new HashMap(); /** * Intrinsic lock for synchronizing the initialization of {@link #sLocalyticsProviderMap}. */ /* * Fun fact: Object[0] is more efficient that Object for an intrinsic lock */ private static final Object[] sLocalyticsProviderIntrinsicLock = new Object[0]; /** * Unmodifiable set of valid table names. */ private static final Set sValidTables = Collections.unmodifiableSet(getValidTables()); /** * SQLite database owned by the provider. */ private final SQLiteDatabase mDb; /** * Obtains an instance of the Localytics Provider. Since the provider is a singleton object, only a single instance will be * returned. *

* Note: if {@code context} is an instance of {@link android.test.RenamingDelegatingContext}, then a new object will be * returned every time. This is not a "public" API, but is documented here as it aids unit testing. * * @param context Application context. Cannot be null. * @param apiKey TODO * @return An instance of {@link LocalyticsProvider}. * @throws IllegalArgumentException if {@code context} is null */ public static LocalyticsProvider getInstance(final Context context, final String apiKey) { /* * Note: Don't call getApplicationContext() on the context, as that would return a different context and defeat useful * contexts such as RenamingDelegatingContext. */ if (Constants.ENABLE_PARAMETER_CHECKING) { if (null == context) { throw new IllegalArgumentException("context cannot be null"); //$NON-NLS-1$ } } /* * Although RenamingDelegatingContext is part of the Android SDK, the class isn't present in the ClassLoader unless the * process is being run as a unit test. For that reason, comparing class names is necessary instead of doing instanceof. */ if (context.getClass().getName().equals("android.test.RenamingDelegatingContext")) //$NON-NLS-1$ { return new LocalyticsProvider(context, apiKey); } synchronized (sLocalyticsProviderIntrinsicLock) { LocalyticsProvider provider = sLocalyticsProviderMap.get(apiKey); if (null == provider) { provider = new LocalyticsProvider(context, apiKey); sLocalyticsProviderMap.put(apiKey, provider); } return provider; } } /** * Constructs a new Localytics Provider. *

* Note: this method may perform disk operations. * * @param context application context. Cannot be null. */ private LocalyticsProvider(final Context context, final String apiKey) { /* * Rather than use the API key directly in the file name, it is put through SHA-256. The main reason for doing that is to * decouple the requirements of the Android file system from the possible values of the API key string. There is a very, * very small risk of a collision with the SHA-256 algorithm, but most clients will only have a single API key. Those with * multiple keys may have 2 or 3, so the risk of a collision there is also very low. */ mDb = new DatabaseHelper(context, String.format(DATABASE_FILE, DatapointHelper.getSha256(apiKey)), DATABASE_VERSION).getWritableDatabase(); } /** * Inserts a new record. *

* Note: this method may perform disk operations. * * @param tableName name of the table operate on. Must be one of the recognized tables. Cannot be null. * @param values ContentValues to insert. Cannot be null. * @return the {@link BaseColumns#_ID} of the inserted row or -1 if an error occurred. * @throws IllegalArgumentException if tableName is null or not a valid table name. * @throws IllegalArgumentException if values are null. */ public long insert(final String tableName, final ContentValues values) { if (Constants.ENABLE_PARAMETER_CHECKING) { if (!isValidTable(tableName)) { throw new IllegalArgumentException(String.format("tableName %s is invalid", tableName)); //$NON-NLS-1$ } if (null == values) { throw new IllegalArgumentException("values cannot be null"); //$NON-NLS-1$ } } if (Constants.IS_LOGGABLE) { Log.v(Constants.LOG_TAG, String.format("Insert table: %s, values: %s", tableName, values.toString())); //$NON-NLS-1$ } final long result = mDb.insertOrThrow(tableName, null, values); if (Constants.IS_LOGGABLE) { Log.v(Constants.LOG_TAG, String.format("Inserted row with new id %d", Long.valueOf(result))); //$NON-NLS-1$ } return result; } /** * Performs a query. *

* Note: this method may perform disk operations. * * @param tableName name of the table operate on. Must be one of the recognized tables. Cannot be null. * @param projection The list of columns to include. If null, then all columns are included by default. * @param selection A filter to apply to all rows, like the SQLite WHERE clause. Passing null will query all rows. This param * may contain ? symbols, which will be replaced by values from the {@code selectionArgs} param. * @param selectionArgs An optional string array of replacements for ? symbols in {@code selection}. May be null. * @param sortOrder How the rows in the cursor should be sorted. If null, then the sort order is undefined. * @return Cursor for the query. To the receiver: Don't forget to call .close() on the cursor when finished with it. * @throws IllegalArgumentException if tableName is null or not a valid table name. */ public Cursor query(final String tableName, final String[] projection, final String selection, final String[] selectionArgs, final String sortOrder) { if (Constants.ENABLE_PARAMETER_CHECKING) { if (!isValidTable(tableName)) { throw new IllegalArgumentException(String.format("tableName %s is invalid", tableName)); //$NON-NLS-1$ } } if (Constants.IS_LOGGABLE) { Log.v(Constants.LOG_TAG, String.format("Query table: %s, projection: %s, selection: %s, selectionArgs: %s", tableName, Arrays.toString(projection), selection, Arrays.toString(selectionArgs))); //$NON-NLS-1$ } final SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); qb.setTables(tableName); final Cursor result = qb.query(mDb, projection, selection, selectionArgs, null, null, sortOrder); if (Constants.IS_LOGGABLE) { Log.v(Constants.LOG_TAG, "Query result is: " + DatabaseUtils.dumpCursorToString(result)); //$NON-NLS-1$ } return result; } /** * Updates row(s). *

* Note: this method may perform disk operations. * * @param tableName name of the table operate on. Must be one of the recognized tables. Cannot be null. * @param values A ContentValues mapping from column names (see the associated BaseColumns class for the table) to new column * values. * @param selection A filter to limit which rows are updated, like the SQLite WHERE clause. Passing null implies all rows. * This param may contain ? symbols, which will be replaced by values from the {@code selectionArgs} param. * @param selectionArgs An optional string array of replacements for ? symbols in {@code selection}. May be null. * @return int representing the number of rows modified, which is in the range from 0 to the number of items in the table. * @throws IllegalArgumentException if tableName is null or not a valid table name. */ public int update(final String tableName, final ContentValues values, final String selection, final String[] selectionArgs) { if (Constants.ENABLE_PARAMETER_CHECKING) { if (!isValidTable(tableName)) { throw new IllegalArgumentException(String.format("tableName %s is invalid", tableName)); //$NON-NLS-1$ } } if (Constants.IS_LOGGABLE) { Log.v(Constants.LOG_TAG, String.format("Update table: %s, values: %s, selection: %s, selectionArgs: %s", tableName, values.toString(), selection, Arrays.toString(selectionArgs))); //$NON-NLS-1$ } return mDb.update(tableName, values, selection, selectionArgs); } /** * Deletes row(s). *

* Note: this method may perform disk operations. * * @param tableName name of the table operate on. Must be one of the recognized tables. Cannot be null. * @param selection A filter to limit which rows are deleted, like the SQLite WHERE clause. Passing null implies all rows. * This param may contain ? symbols, which will be replaced by values from the {@code selectionArgs} param. * @param selectionArgs An optional string array of replacements for ? symbols in {@code selection}. May be null. * @return The number of rows affected, which is in the range from 0 to the number of items in the table. * @throws IllegalArgumentException if tableName is null or not a valid table name. */ public int delete(final String tableName, final String selection, final String[] selectionArgs) { if (Constants.ENABLE_PARAMETER_CHECKING) { if (!isValidTable(tableName)) { throw new IllegalArgumentException(String.format("tableName %s is invalid", tableName)); //$NON-NLS-1$ } } if (Constants.IS_LOGGABLE) { Log.v(Constants.LOG_TAG, String.format("Delete table: %s, selection: %s, selectionArgs: %s", tableName, selection, Arrays.toString(selectionArgs))); //$NON-NLS-1$ } final int count; if (null == selection) { count = mDb.delete(tableName, "1", null); //$NON-NLS-1$ } else { count = mDb.delete(tableName, selection, selectionArgs); } if (Constants.IS_LOGGABLE) { Log.v(Constants.LOG_TAG, String.format("Deleted %d rows", Integer.valueOf(count))); //$NON-NLS-1$ } return count; } /** * Executes an arbitrary runnable with exclusive access to the database, essentially allowing an atomic transaction. * * @param runnable Runnable to execute. Cannot be null. * @throws IllegalArgumentException if {@code runnable} is null */ /* * This implementation is sort of a hack. In the future, it would be better model this after applyBatch() with a list of * ContentProviderOperation objects. But that API isn't available until Android 2.0. * * An alternative implementation would have been to expose the begin/end transaction methods on the Provider object. While * that would work, it makes it harder to transition to a ContentProviderOperation model in the future. */ public void runBatchTransaction(final Runnable runnable) { if (Constants.ENABLE_PARAMETER_CHECKING) { if (null == runnable) { throw new IllegalArgumentException("runnable cannot be null"); //$NON-NLS-1$ } } mDb.beginTransaction(); try { runnable.run(); mDb.setTransactionSuccessful(); } finally { mDb.endTransaction(); } } /** * Private helper to test whether a given table name is valid * * @param table name of a table to check. This param may be null. * @return true if the table is valid, false if the table is invalid. If {@code table} is null, returns false. */ private static boolean isValidTable(final String table) { if (null == table) { return false; } if (!sValidTables.contains(table)) { return false; } return true; } /** * Private helper that knows all the tables that {@link LocalyticsProvider} can operate on. * * @return returns a set of the valid tables. */ private static Set getValidTables() { final HashSet tables = new HashSet(); tables.add(ApiKeysDbColumns.TABLE_NAME); tables.add(AttributesDbColumns.TABLE_NAME); tables.add(EventsDbColumns.TABLE_NAME); tables.add(EventHistoryDbColumns.TABLE_NAME); tables.add(SessionsDbColumns.TABLE_NAME); tables.add(UploadBlobsDbColumns.TABLE_NAME); tables.add(UploadBlobEventsDbColumns.TABLE_NAME); return tables; } /** * Private helper that deletes files from older versions of the Localytics library. *

* Note: This is a private method that is only made package-accessible for unit testing. * * @param context application context * @throws IllegalArgumentException if {@code context} is null */ /* package */static void deleteOldFiles(final Context context) { if (Constants.ENABLE_PARAMETER_CHECKING) { if (null == context) { throw new IllegalArgumentException("context cannot be null"); //$NON-NLS-1$ } } deleteDirectory(new File(context.getFilesDir(), "localytics")); //$NON-NLS-1$ } /** * Private helper to delete a directory, regardless of whether the directory is empty. * * @param directory Directory or file to delete. Cannot be null. * @return true if deletion was successful. False if deletion failed. */ private static boolean deleteDirectory(final File directory) { if (directory.exists() && directory.isDirectory()) { for (final String child : directory.list()) { final boolean success = deleteDirectory(new File(directory, child)); if (!success) { return false; } } } // The directory is now empty so delete it return directory.delete(); } /** * A private helper class to open and create the Localytics SQLite database. */ private static final class DatabaseHelper extends SQLiteOpenHelper { /** * Constant representing the SQLite value for true */ private static final String SQLITE_BOOLEAN_TRUE = "1"; //$NON-NLS-1$ /** * Constant representing the SQLite value for false */ private static final String SQLITE_BOOLEAN_FALSE = "0"; //$NON-NLS-1$ /** * @param context Application context. Cannot be null. * @param name File name of the database. Cannot be null or empty. A database with this name will be opened in * {@link Context#getDatabasePath(String)}. * @param version version of the database. */ public DatabaseHelper(final Context context, final String name, final int version) { super(context, name, null, version); } /** * Initializes the tables of the database. *

* If an error occurs during initialization and an exception is thrown, {@link SQLiteDatabase#close()} will not be called * by this method. That responsibility is left to the caller. * * @param db The database to perform post-creation processing on. db cannot not be null * @throws IllegalArgumentException if db is null */ @Override public void onCreate(final SQLiteDatabase db) { if (null == db) { throw new IllegalArgumentException("db cannot be null"); //$NON-NLS-1$ } // api_keys table db.execSQL(String.format("CREATE TABLE %s (%s INTEGER PRIMARY KEY AUTOINCREMENT, %s TEXT UNIQUE NOT NULL, %s TEXT UNIQUE NOT NULL, %s INTEGER NOT NULL CHECK (%s >= 0), %s INTEGER NOT NULL CHECK(%s IN (%s, %s)));", ApiKeysDbColumns.TABLE_NAME, ApiKeysDbColumns._ID, ApiKeysDbColumns.API_KEY, ApiKeysDbColumns.UUID, ApiKeysDbColumns.CREATED_TIME, ApiKeysDbColumns.CREATED_TIME, ApiKeysDbColumns.OPT_OUT, ApiKeysDbColumns.OPT_OUT, SQLITE_BOOLEAN_FALSE, SQLITE_BOOLEAN_TRUE)); //$NON-NLS-1$ // sessions table db.execSQL(String.format("CREATE TABLE %s (%s INTEGER PRIMARY KEY AUTOINCREMENT, %s INTEGER REFERENCES %s(%s) NOT NULL, %s TEXT UNIQUE NOT NULL, %s INTEGER NOT NULL CHECK (%s >= 0), %s TEXT NOT NULL, %s TEXT NOT NULL, %s INTEGER NOT NULL, %s TEXT NOT NULL, %s TEXT NOT NULL, %s TEXT NOT NULL, %s TEXT NOT NULL, %s TEXT, %s TEXT, %s TEXT, %s TEXT NOT NULL, %s TEXT NOT NULL, %s TEXT, %s TEXT, %s TEXT, %s TEXT, %s TEXT, %s TEXT);", SessionsDbColumns.TABLE_NAME, SessionsDbColumns._ID, SessionsDbColumns.API_KEY_REF, ApiKeysDbColumns.TABLE_NAME, ApiKeysDbColumns._ID, SessionsDbColumns.UUID, SessionsDbColumns.SESSION_START_WALL_TIME, SessionsDbColumns.SESSION_START_WALL_TIME, SessionsDbColumns.LOCALYTICS_LIBRARY_VERSION, SessionsDbColumns.APP_VERSION, SessionsDbColumns.ANDROID_VERSION, SessionsDbColumns.ANDROID_SDK, SessionsDbColumns.DEVICE_MODEL, SessionsDbColumns.DEVICE_MANUFACTURER, SessionsDbColumns.DEVICE_ANDROID_ID_HASH, SessionsDbColumns.DEVICE_TELEPHONY_ID, SessionsDbColumns.DEVICE_TELEPHONY_ID_HASH, SessionsDbColumns.DEVICE_SERIAL_NUMBER_HASH, SessionsDbColumns.LOCALE_LANGUAGE, SessionsDbColumns.LOCALE_COUNTRY, SessionsDbColumns.NETWORK_CARRIER, SessionsDbColumns.NETWORK_COUNTRY, SessionsDbColumns.NETWORK_TYPE, SessionsDbColumns.DEVICE_COUNTRY, SessionsDbColumns.LATITUDE, SessionsDbColumns.LONGITUDE)); //$NON-NLS-1$ // events table db.execSQL(String.format("CREATE TABLE %s (%s INTEGER PRIMARY KEY AUTOINCREMENT, %s INTEGER REFERENCES %s(%s) NOT NULL, %s TEXT UNIQUE NOT NULL, %s TEXT NOT NULL, %s INTEGER NOT NULL CHECK (%s >= 0), %s INTEGER NOT NULL CHECK (%s >= 0));", EventsDbColumns.TABLE_NAME, EventsDbColumns._ID, EventsDbColumns.SESSION_KEY_REF, SessionsDbColumns.TABLE_NAME, SessionsDbColumns._ID, EventsDbColumns.UUID, EventsDbColumns.EVENT_NAME, EventsDbColumns.REAL_TIME, EventsDbColumns.REAL_TIME, EventsDbColumns.WALL_TIME, EventsDbColumns.WALL_TIME)); //$NON-NLS-1$ // event_history table /* * Note: the events history should be using foreign key constrains on the upload blobs table, but that is currently * disabled to simplify the implementation of the upload processing. */ db.execSQL(String.format("CREATE TABLE %s (%s INTEGER PRIMARY KEY AUTOINCREMENT, %s INTEGER REFERENCES %s(%s) NOT NULL, %s TEXT NOT NULL CHECK(%s IN (%s, %s)), %s TEXT NOT NULL, %s INTEGER);", EventHistoryDbColumns.TABLE_NAME, EventHistoryDbColumns._ID, EventHistoryDbColumns.SESSION_KEY_REF, SessionsDbColumns.TABLE_NAME, SessionsDbColumns._ID, EventHistoryDbColumns.TYPE, EventHistoryDbColumns.TYPE, Integer.valueOf(EventHistoryDbColumns.TYPE_EVENT), Integer.valueOf(EventHistoryDbColumns.TYPE_SCREEN), EventHistoryDbColumns.NAME, EventHistoryDbColumns.PROCESSED_IN_BLOB)); //$NON-NLS-1$ //db.execSQL(String.format("CREATE TABLE %s (%s INTEGER PRIMARY KEY AUTOINCREMENT, %s INTEGER REFERENCES %s(%s) NOT NULL, %s TEXT NOT NULL CHECK(%s IN (%s, %s)), %s TEXT NOT NULL, %s INTEGER REFERENCES %s(%s));", EventHistoryDbColumns.TABLE_NAME, EventHistoryDbColumns._ID, EventHistoryDbColumns.SESSION_KEY_REF, SessionsDbColumns.TABLE_NAME, SessionsDbColumns._ID, EventHistoryDbColumns.TYPE, EventHistoryDbColumns.TYPE, Integer.valueOf(EventHistoryDbColumns.TYPE_EVENT), Integer.valueOf(EventHistoryDbColumns.TYPE_SCREEN), EventHistoryDbColumns.NAME, EventHistoryDbColumns.PROCESSED_IN_BLOB, UploadBlobsDbColumns.TABLE_NAME, UploadBlobsDbColumns._ID)); //$NON-NLS-1$ // attributes table db.execSQL(String.format("CREATE TABLE %s (%s INTEGER PRIMARY KEY AUTOINCREMENT, %s INTEGER REFERENCES %s(%s) NOT NULL, %s TEXT NOT NULL, %s TEXT NOT NULL);", AttributesDbColumns.TABLE_NAME, AttributesDbColumns._ID, AttributesDbColumns.EVENTS_KEY_REF, EventsDbColumns.TABLE_NAME, EventsDbColumns._ID, AttributesDbColumns.ATTRIBUTE_KEY, AttributesDbColumns.ATTRIBUTE_VALUE)); //$NON-NLS-1$ // upload blobs db.execSQL(String.format("CREATE TABLE %s (%s INTEGER PRIMARY KEY AUTOINCREMENT, %s TEXT UNIQUE NOT NULL);", UploadBlobsDbColumns.TABLE_NAME, UploadBlobsDbColumns._ID, UploadBlobsDbColumns.UUID)); //$NON-NLS-1$ // upload events db.execSQL(String.format("CREATE TABLE %s (%s INTEGER PRIMARY KEY AUTOINCREMENT, %s INTEGER REFERENCES %s(%s) NOT NULL, %s INTEGER REFERENCES %s(%s) NOT NULL);", UploadBlobEventsDbColumns.TABLE_NAME, UploadBlobEventsDbColumns._ID, UploadBlobEventsDbColumns.UPLOAD_BLOBS_KEY_REF, UploadBlobsDbColumns.TABLE_NAME, UploadBlobsDbColumns._ID, UploadBlobEventsDbColumns.EVENTS_KEY_REF, EventsDbColumns.TABLE_NAME, EventsDbColumns._ID)); //$NON-NLS-1$ } @Override public void onOpen(final SQLiteDatabase db) { super.onOpen(db); if (Constants.IS_LOGGABLE) { Log.v(Constants.LOG_TAG, String.format("SQLite library version is: %s", DatabaseUtils.stringForQuery(db, "select sqlite_version()", null))); //$NON-NLS-1$//$NON-NLS-2$ } if (!db.isReadOnly()) { /* * Enable foreign key support */ db.execSQL("PRAGMA foreign_keys = ON;"); //$NON-NLS-1$ // if (Constants.IS_LOGGABLE) // { // try // { // final String result1 = DatabaseUtils.stringForQuery(db, "PRAGMA foreign_keys;", null); //$NON-NLS-1$ // Log.v(Constants.LOG_TAG, String.format("Foreign keys support result was: %s", result1)); //$NON-NLS-1$ // } // catch (final SQLiteDoneException e) // { // Log.w(Constants.LOG_TAG, e); // } // } } } @Override public void onUpgrade(final SQLiteDatabase db, final int oldVersion, final int newVersion) { if (1 == oldVersion) { // delete stranded sessions that don't have any events Cursor sessionsCursor = null; try { sessionsCursor = db.query(SessionsDbColumns.TABLE_NAME, new String[] { SessionsDbColumns._ID }, null, null, null, null, null); while (sessionsCursor.moveToNext()) { Cursor eventsCursor = null; try { String sessionId = Long.toString(sessionsCursor.getLong(sessionsCursor.getColumnIndexOrThrow(SessionsDbColumns._ID))); eventsCursor = db.query(EventsDbColumns.TABLE_NAME, new String[] { EventsDbColumns._ID }, String.format("%s = ?", EventsDbColumns.SESSION_KEY_REF), new String[] //$NON-NLS-1$ { sessionId }, null, null, null); if (eventsCursor.getCount() == 0) { db.delete(SessionsDbColumns.TABLE_NAME, String.format("%s = ?", SessionsDbColumns._ID), new String[] { sessionId }); //$NON-NLS-1$ } } finally { if (null != eventsCursor) { eventsCursor.close(); eventsCursor = null; } } } } finally { if (null != sessionsCursor) { sessionsCursor.close(); sessionsCursor = null; } } } } // @Override // public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) // { // } } /** * Table for the API keys used and the opt-out preferences for each API key. *

* This is not a public API. */ public static final class ApiKeysDbColumns implements BaseColumns { /** * Private constructor prevents instantiation * * @throws UnsupportedOperationException because this class cannot be instantiated. */ private ApiKeysDbColumns() { throw new UnsupportedOperationException("This class is non-instantiable"); //$NON-NLS-1$ } /** * SQLite table name */ public static final String TABLE_NAME = "api_keys"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* The Localytics API key. *

* Constraints: This column is unique and cannot be null. */ public static final String API_KEY = "api_key"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* A UUID for the installation. *

* Constraints: This column is unique and cannot be null. */ public static final String UUID = "uuid"; //$NON-NLS-1$ /** * TYPE: {@code boolean} *

* A flag indicating whether the user has opted out of data collection. *

* Constraints: This column must be in the set {0, 1} and cannot be null. */ public static final String OPT_OUT = "opt_out"; //$NON-NLS-1$ /** * TYPE: {@code long} *

* A long representing the {@link System#currentTimeMillis()} when the row was created. Once created, this row will not be * modified. *

* Constraints: This column must be >=0. This column cannot be null. */ public static final String CREATED_TIME = "created_time"; //$NON-NLS-1$ } /** * Database table for the session attributes. There is a one-to-many relationship between one event in the * {@link EventsDbColumns} table and the many attributes associated with that event. *

* This is not a public API. */ public static final class AttributesDbColumns implements BaseColumns { /** * Private constructor prevents instantiation * * @throws UnsupportedOperationException because this class cannot be instantiated. */ private AttributesDbColumns() { throw new UnsupportedOperationException("This class is non-instantiable"); //$NON-NLS-1$ } /** * SQLite table name */ public static final String TABLE_NAME = "attributes"; //$NON-NLS-1$ /** * TYPE: {@code long} *

* A one-to-many relationship with {@link EventsDbColumns#_ID}. *

* Constraints: This is a foreign key with the {@link EventsDbColumns#_ID} column. This cannot be null. */ public static final String EVENTS_KEY_REF = "events_key_ref"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing the key name of the attribute. *

* Constraints: This cannot be null. */ public static final String ATTRIBUTE_KEY = "attribute_key"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing the value of the attribute. *

* Constraints: This cannot be null. */ public static final String ATTRIBUTE_VALUE = "attribute_value"; //$NON-NLS-1$ } /** * Database table for the session events. There is a one-to-many relationship between one session data entry in the * {@link SessionsDbColumns} table and the many events associated with that session. *

* This is not a public API. */ public static final class EventsDbColumns implements BaseColumns { /** * Private constructor prevents instantiation * * @throws UnsupportedOperationException because this class cannot be instantiated. */ private EventsDbColumns() { throw new UnsupportedOperationException("This class is non-instantiable"); //$NON-NLS-1$ } /** * SQLite table name */ public static final String TABLE_NAME = "events"; //$NON-NLS-1$ /** * TYPE: {@code long} *

* A one-to-many relationship with {@link SessionsDbColumns#_ID}. *

* Constraints: This is a foreign key with the {@link SessionsDbColumns#_ID} column. This cannot be null. */ public static final String SESSION_KEY_REF = "session_key_ref"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* Unique ID of the event, as generated from {@link java.util.UUID}. *

* Constraints: This is unique and cannot be null. */ public static final String UUID = "uuid"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing the name of the event. *

* Constraints: This cannot be null. */ public static final String EVENT_NAME = "event_name"; //$NON-NLS-1$ /** * TYPE: {@code long} *

* A long representing the {@link android.os.SystemClock#elapsedRealtime()} when the event occurred. *

* Constraints: This column must be >=0. This column cannot be null. */ public static final String REAL_TIME = "real_time"; //$NON-NLS-1$ /** * TYPE: {@code long} *

* A long representing the {@link System#currentTimeMillis()} when the event occurred. *

* Constraints: This column must be >=0. This column cannot be null. */ public static final String WALL_TIME = "wall_time"; //$NON-NLS-1$ } /** * Database table for tracking the history of events and screens. There is a one-to-many relationship between one session data * entry in the {@link SessionsDbColumns} table and the many historical events associated with that session. *

* This is not a public API. */ public static final class EventHistoryDbColumns implements BaseColumns { /** * Private constructor prevents instantiation * * @throws UnsupportedOperationException because this class cannot be instantiated. */ private EventHistoryDbColumns() { throw new UnsupportedOperationException("This class is non-instantiable"); //$NON-NLS-1$ } /** * SQLite table name */ public static final String TABLE_NAME = "event_history"; //$NON-NLS-1$ /** * TYPE: {@code long} *

* A one-to-many relationship with {@link SessionsDbColumns#_ID}. *

* Constraints: This is a foreign key with the {@link SessionsDbColumns#_ID} column. This cannot be null. */ public static final String SESSION_KEY_REF = "session_key_ref"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* Unique ID of the event, as generated from {@link java.util.UUID}. *

* Constraints: This is unique and cannot be null. */ public static final String TYPE = "type"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing the name of the screen or event. *

* Constraints: This cannot be null. */ public static final String NAME = "name"; //$NON-NLS-1$ /** * TYPE: {@code boolean} *

* Foreign key to the upload blob that this event was processed in. May be null indicating that this event wasn't * processed yet. */ public static final String PROCESSED_IN_BLOB = "processed_in_blob"; //$NON-NLS-1$ /** * Type value for {@link #TYPE} indicates an event event. */ public static final int TYPE_EVENT = 0; /** * Type value for {@link #TYPE} that indicates a screen event. */ public static final int TYPE_SCREEN = 1; } /** * Database table for the session data. There is a one-to-many relationship between one API key entry in the * {@link ApiKeysDbColumns} table and many sessions for that API key. *

* This is not a public API. */ public static final class SessionsDbColumns implements BaseColumns { /** * Private constructor prevents instantiation * * @throws UnsupportedOperationException because this class cannot be instantiated. */ private SessionsDbColumns() { throw new UnsupportedOperationException("This class is non-instantiable"); //$NON-NLS-1$ } /** * SQLite table name */ public static final String TABLE_NAME = "sessions"; //$NON-NLS-1$ /** * TYPE: {@code long} *

* A one-to-one relationship with {@link ApiKeysDbColumns#_ID}. *

* Constraints: This is a foreign key with the {@link ApiKeysDbColumns#_ID} column. This cannot be null. */ public static final String API_KEY_REF = "api_key_ref"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* Unique ID of the event, as generated from {@link java.util.UUID}. *

* Constraints: This is unique and cannot be null. */ public static final String UUID = "uuid"; //$NON-NLS-1$ /** * TYPE: {@code long} *

* The wall time when the session started. *

* Constraints: This column must be >=0. This column cannot be null. */ /* * Note: While this same information is encoded in {@link EventsDbColumns#WALL_TIME} for the session open event, that row * may not be available when an upload occurs and the upload needs to compute the duration of the session. */ public static final String SESSION_START_WALL_TIME = "session_start_wall_time"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* Version of the Localytics client library. * * @see Constants#LOCALYTICS_CLIENT_LIBRARY_VERSION */ public static final String LOCALYTICS_LIBRARY_VERSION = "localytics_library_version"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing the app's versionName *

* Constraints: This cannot be null. */ public static final String APP_VERSION = "app_version"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing the version of Android *

* Constraints: This cannot be null. */ public static final String ANDROID_VERSION = "android_version"; //$NON-NLS-1$ /** * TYPE: {@code int} *

* Integer the Android SDK *

* Constraints: Must be an integer and cannot be null. * * @see android.os.Build.VERSION#SDK */ public static final String ANDROID_SDK = "android_sdk"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing the device model *

* Constraints: None * * @see android.os.Build#MODEL */ public static final String DEVICE_MODEL = "device_model"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing the device manufacturer *

* Constraints: None * * @see android.os.Build#MANUFACTURER */ public static final String DEVICE_MANUFACTURER = "device_manufacturer"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing a hash of the device Android ID *

* Constraints: None * * @see android.provider.Settings.Secure#ANDROID_ID */ public static final String DEVICE_ANDROID_ID_HASH = "device_android_id_hash"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing the telephony ID of the device. May be null for non-telephony devices. May also be null if the * parent application doesn't have {@link android.Manifest.permission#READ_PHONE_STATE}. *

* Constraints: None * * @see android.telephony.TelephonyManager#getDeviceId() */ public static final String DEVICE_TELEPHONY_ID = "device_telephony_id"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing a hash of the telephony ID of the device. May be null for non-telephony devices. May also be null * if the parent application doesn't have {@link android.Manifest.permission#READ_PHONE_STATE}. *

* Constraints: None * * @see android.telephony.TelephonyManager#getDeviceId() */ public static final String DEVICE_TELEPHONY_ID_HASH = "device_telephony_id_hash"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* String representing a hash of the the serial number of the device. May be null for some telephony devices. *

* Constraints: None */ public static final String DEVICE_SERIAL_NUMBER_HASH = "device_serial_number_hash"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* Represents the locale language of the device. *

* Constraints: Cannot be null. */ public static final String LOCALE_LANGUAGE = "locale_language"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* Represents the locale country of the device. *

* Constraints: Cannot be null. */ public static final String LOCALE_COUNTRY = "locale_country"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* Represents the locale country of the device, according to the SIM card. *

* Constraints: Cannot be null. */ public static final String DEVICE_COUNTRY = "device_country"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* Represents the network carrier of the device. May be null for non-telephony devices. *

* Constraints: None */ public static final String NETWORK_CARRIER = "network_carrier"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* Represents the network country of the device. May be null for non-telephony devices. *

* Constraints: None */ public static final String NETWORK_COUNTRY = "network_country"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* Represents the primary network connection type for the device. This could be any type, including Wi-Fi, various cell * networks, Ethernet, etc. *

* Constraints: None * * @see android.telephony.TelephonyManager */ public static final String NETWORK_TYPE = "network_type"; //$NON-NLS-1$ /** * TYPE: {@code double} *

* Represents the latitude of the device. May be null if no longitude is known. *

* Constraints: None */ public static final String LATITUDE = "latitude"; //$NON-NLS-1$ /** * TYPE: {@code double} *

* Represents the longitude of the device. May be null if no longitude is known. *

* Constraints: None */ public static final String LONGITUDE = "longitude"; //$NON-NLS-1$ } /** * Database table for the events associated with a given upload blob. There is a one-to-many relationship between one upload * blob in the {@link UploadBlobsDbColumns} table and the blob events. There is a one-to-one relationship between each blob * event entry and the actual events in the {@link EventsDbColumns} table. * *

* This is not a public API. */ public static final class UploadBlobEventsDbColumns implements BaseColumns { /** * Private constructor prevents instantiation * * @throws UnsupportedOperationException because this class cannot be instantiated. */ private UploadBlobEventsDbColumns() { throw new UnsupportedOperationException("This class is non-instantiable"); //$NON-NLS-1$ } /** * SQLite table name */ public static final String TABLE_NAME = "upload_blob_events"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* A one-to-many relationship with {@link UploadBlobsDbColumns#_ID}. *

* Constraints: This is a foreign key with the {@link UploadBlobsDbColumns#_ID} column. This cannot be null. */ public static final String UPLOAD_BLOBS_KEY_REF = "upload_blobs_key_ref"; //$NON-NLS-1$ /** * TYPE: {@code long} *

* A one-to-one relationship with {@link EventsDbColumns#_ID}. *

* Constraints: This is a foreign key with the {@link EventsDbColumns#_ID} column. This cannot be null. */ public static final String EVENTS_KEY_REF = "events_key_ref"; //$NON-NLS-1$ } /** * Database table for the upload blobs. Logically, a blob owns many events. In terms of the implementation, some indirection * is introduced by a blob having a one-to-many relationship with {@link UploadBlobsDbColumns} and * {@link UploadBlobsDbColumns} having a one-to-one relationship with {@link EventsDbColumns} *

* This is not a public API. */ public static final class UploadBlobsDbColumns implements BaseColumns { /** * Private constructor prevents instantiation * * @throws UnsupportedOperationException because this class cannot be instantiated. */ private UploadBlobsDbColumns() { throw new UnsupportedOperationException("This class is non-instantiable"); //$NON-NLS-1$ } /** * SQLite table name */ public static final String TABLE_NAME = "upload_blobs"; //$NON-NLS-1$ /** * TYPE: {@code String} *

* Unique ID of the upload blob, as generated from {@link java.util.UUID}. *

* Constraints: This is unique and cannot be null. */ public static final String UUID = "uuid"; //$NON-NLS-1$ } }