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am 503cc063: Stop using ContentCache and related caches.

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* commit '503cc0630d54de430a97f6013c6c7b7e851e343d':
  Stop using ContentCache and related caches.
This commit is contained in:
Yu Ping Hu 2013-04-19 13:49:21 -07:00 committed by Android Git Automerger
commit d5820f4271
3 changed files with 56 additions and 396 deletions
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6
emailcommon/src/com/android/emailcommon/provider/Account.java
View File

@ -175,6 +175,12 @@ public final class Account extends EmailContent implements AccountColumns, Parce
public static final String[] ACCOUNT_FLAGS_PROJECTION = new String[] {
AccountColumns.ID, AccountColumns.FLAGS};
public static final int ACCOUNT_IS_DEFAULT_COLUMN_ID = 0;
public static final int ACCOUNT_IS_DEFAULT_COLUMN_IS_DEFAULT = 1;
public static final String[] ACCOUNT_IS_DEFAULT_PROJECTION = new String[] {
AccountColumns.ID, AccountColumns.IS_DEFAULT
};
public static final String MAILBOX_SELECTION =
MessageColumns.MAILBOX_KEY + " =?";

21
emailcommon/src/com/android/emailcommon/provider/Mailbox.java
View File

@ -36,13 +36,10 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
public static Uri CONTENT_URI;
public static Uri MESSAGE_COUNT_URI;
public static Uri FROM_ACCOUNT_AND_TYPE_URI;
public static void initMailbox() {
CONTENT_URI = Uri.parse(EmailContent.CONTENT_URI + "/mailbox");
MESSAGE_COUNT_URI = Uri.parse(EmailContent.CONTENT_URI + "/mailboxCount");
FROM_ACCOUNT_AND_TYPE_URI = Uri.parse(EmailContent.CONTENT_URI +
"/mailboxIdFromAccountAndType");
}
public String mDisplayName;
@ -452,24 +449,6 @@ public class Mailbox extends EmailContent implements MailboxColumns, Parcelable
* @return the id of the mailbox, or -1 if not found
*/
public static long findMailboxOfType(Context context, long accountId, int type) {
// First use special URI
Uri uri = FROM_ACCOUNT_AND_TYPE_URI.buildUpon().appendPath(Long.toString(accountId))
.appendPath(Integer.toString(type)).build();
Cursor c = context.getContentResolver().query(uri, ID_PROJECTION, null, null, null);
if (c != null) {
try {
c.moveToFirst();
Long mailboxId = c.getLong(ID_PROJECTION_COLUMN);
if (mailboxId != null
&& mailboxId != 0L
&& mailboxId != NO_MAILBOX) {
return mailboxId;
}
} finally {
c.close();
}
}
// Fallback to querying the database directly.
String[] bindArguments = new String[] {Long.toString(type), Long.toString(accountId)};
return Utility.getFirstRowLong(context, Mailbox.CONTENT_URI,
ID_PROJECTION, WHERE_TYPE_AND_ACCOUNT_KEY, bindArguments, null,

425
src/com/android/email/provider/EmailProvider.java
View File

@ -53,7 +53,6 @@ import com.android.email.NotificationController;
import com.android.email.Preferences;
import com.android.email.R;
import com.android.email.SecurityPolicy;
import com.android.email.provider.ContentCache.CacheToken;
import com.android.email.service.AttachmentDownloadService;
import com.android.email.service.EmailServiceUtils;
import com.android.email.service.EmailServiceUtils.EmailServiceInfo;
@ -163,25 +162,6 @@ public class EmailProvider extends ContentProvider {
private static final String WHERE_ID = EmailContent.RECORD_ID + "=?";
// This is not a hard limit on accounts, per se, but beyond this, we can't guarantee that all
// critical mailboxes, host auth's, accounts, and policies are cached
private static final int MAX_CACHED_ACCOUNTS = 16;
// Inbox, Drafts, Sent, Outbox, Trash, and Search (these boxes are cached when possible)
private static final int NUM_ALWAYS_CACHED_MAILBOXES = 6;
// We'll cache the following four tables; sizes are best estimates of effective values
private final ContentCache mCacheAccount =
new ContentCache("Account", Account.CONTENT_PROJECTION, MAX_CACHED_ACCOUNTS);
private final ContentCache mCacheHostAuth =
new ContentCache("HostAuth", HostAuth.CONTENT_PROJECTION, MAX_CACHED_ACCOUNTS * 2);
/*package*/ final ContentCache mCacheMailbox =
new ContentCache("Mailbox", Mailbox.CONTENT_PROJECTION,
MAX_CACHED_ACCOUNTS * (NUM_ALWAYS_CACHED_MAILBOXES + 2));
private final ContentCache mCacheMessage =
new ContentCache("Message", Message.CONTENT_PROJECTION, 8);
private final ContentCache mCachePolicy =
new ContentCache("Policy", Policy.CONTENT_PROJECTION, MAX_CACHED_ACCOUNTS);
private static final int ACCOUNT_BASE = 0;
private static final int ACCOUNT = ACCOUNT_BASE;
private static final int ACCOUNT_ID = ACCOUNT_BASE + 1;
@ -195,10 +175,9 @@ public class EmailProvider extends ContentProvider {
private static final int MAILBOX_BASE = 0x1000;
private static final int MAILBOX = MAILBOX_BASE;
private static final int MAILBOX_ID = MAILBOX_BASE + 1;
private static final int MAILBOX_ID_FROM_ACCOUNT_AND_TYPE = MAILBOX_BASE + 2;
private static final int MAILBOX_NOTIFICATION = MAILBOX_BASE + 3;
private static final int MAILBOX_MOST_RECENT_MESSAGE = MAILBOX_BASE + 4;
private static final int MAILBOX_MESSAGE_COUNT = MAILBOX_BASE + 5;
private static final int MAILBOX_NOTIFICATION = MAILBOX_BASE + 2;
private static final int MAILBOX_MOST_RECENT_MESSAGE = MAILBOX_BASE + 3;
private static final int MAILBOX_MESSAGE_COUNT = MAILBOX_BASE + 4;
private static final int MESSAGE_BASE = 0x2000;
private static final int MESSAGE = MESSAGE_BASE;
@ -279,42 +258,8 @@ public class EmailProvider extends ContentProvider {
Body.TABLE_NAME,
};
// CONTENT_CACHES MUST remain in the order of the BASE constants above
private final ContentCache[] mContentCaches = {
mCacheAccount,
mCacheMailbox,
mCacheMessage,
null, // Attachment
mCacheHostAuth,
null, // Updated message
null, // Deleted message
mCachePolicy,
null, // Quick response
null, // Body
null // UI
};
// CACHE_PROJECTIONS MUST remain in the order of the BASE constants above
private static final String[][] CACHE_PROJECTIONS = {
Account.CONTENT_PROJECTION,
Mailbox.CONTENT_PROJECTION,
Message.CONTENT_PROJECTION,
null, // Attachment
HostAuth.CONTENT_PROJECTION,
null, // Updated message
null, // Deleted message
Policy.CONTENT_PROJECTION,
null, // Quick response
null, // Body
null // UI
};
private static UriMatcher sURIMatcher = null;
private static final String MAILBOX_PRE_CACHE_SELECTION = MailboxColumns.TYPE + " IN (" +
Mailbox.TYPE_INBOX + "," + Mailbox.TYPE_DRAFTS + "," + Mailbox.TYPE_TRASH + "," +
Mailbox.TYPE_SENT + "," + Mailbox.TYPE_SEARCH + "," + Mailbox.TYPE_OUTBOX + ")";
/**
* Let's only generate these SQL strings once, as they are used frequently
* Note that this isn't relevant for table creation strings, since they are used only once
@ -338,8 +283,6 @@ public class EmailProvider extends ContentProvider {
private static final String DELETE_BODY = "delete from " + Body.TABLE_NAME +
" where " + BodyColumns.MESSAGE_KEY + '=';
private static final String ID_EQUALS = EmailContent.RECORD_ID + "=?";
private static ContentValues CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT;
private static final ContentValues EMPTY_CONTENT_VALUES = new ContentValues();
@ -445,7 +388,6 @@ public class EmailProvider extends ContentProvider {
deleteUnlinked(mDatabase, Policy.TABLE_NAME, PolicyColumns.ID, AccountColumns.POLICY_KEY,
Account.TABLE_NAME);
initUiProvider();
preCacheData();
return mDatabase;
}
@ -458,92 +400,6 @@ public class EmailProvider extends ContentProvider {
"=" + UIProvider.SyncStatus.NO_SYNC);
}
/**
* Pre-cache all of the items in a given table meeting the selection criteria
* @param tableUri the table uri
* @param baseProjection the base projection of that table
* @param selection the selection criteria
*/
private void preCacheTable(Uri tableUri, String[] baseProjection, String selection) {
Cursor c = query(tableUri, EmailContent.ID_PROJECTION, selection, null, null);
try {
while (c.moveToNext()) {
long id = c.getLong(EmailContent.ID_PROJECTION_COLUMN);
Cursor cachedCursor = query(ContentUris.withAppendedId(
tableUri, id), baseProjection, null, null, null);
if (cachedCursor != null) {
// For accounts, create a mailbox type map entry (if necessary)
if (tableUri == Account.CONTENT_URI) {
getOrCreateAccountMailboxTypeMap(id);
}
cachedCursor.close();
}
}
} finally {
c.close();
}
}
private final HashMap<Long, HashMap<Integer, Long>> mMailboxTypeMap =
new HashMap<Long, HashMap<Integer, Long>>();
private HashMap<Integer, Long> getOrCreateAccountMailboxTypeMap(long accountId) {
synchronized(mMailboxTypeMap) {
HashMap<Integer, Long> accountMailboxTypeMap = mMailboxTypeMap.get(accountId);
if (accountMailboxTypeMap == null) {
accountMailboxTypeMap = new HashMap<Integer, Long>();
mMailboxTypeMap.put(accountId, accountMailboxTypeMap);
}
return accountMailboxTypeMap;
}
}
private void addToMailboxTypeMap(Cursor c) {
long accountId = c.getLong(Mailbox.CONTENT_ACCOUNT_KEY_COLUMN);
int type = c.getInt(Mailbox.CONTENT_TYPE_COLUMN);
synchronized(mMailboxTypeMap) {
HashMap<Integer, Long> accountMailboxTypeMap =
getOrCreateAccountMailboxTypeMap(accountId);
accountMailboxTypeMap.put(type, c.getLong(Mailbox.CONTENT_ID_COLUMN));
}
}
private long getMailboxIdFromMailboxTypeMap(long accountId, int type) {
synchronized(mMailboxTypeMap) {
HashMap<Integer, Long> accountMap = mMailboxTypeMap.get(accountId);
Long mailboxId = null;
if (accountMap != null) {
mailboxId = accountMap.get(type);
}
if (mailboxId == null) return Mailbox.NO_MAILBOX;
return mailboxId;
}
}
private void preCacheData() {
synchronized(mMailboxTypeMap) {
mMailboxTypeMap.clear();
// Pre-cache accounts, host auth's, policies, and special mailboxes
preCacheTable(Account.CONTENT_URI, Account.CONTENT_PROJECTION, null);
preCacheTable(HostAuth.CONTENT_URI, HostAuth.CONTENT_PROJECTION, null);
preCacheTable(Policy.CONTENT_URI, Policy.CONTENT_PROJECTION, null);
preCacheTable(Mailbox.CONTENT_URI, Mailbox.CONTENT_PROJECTION,
MAILBOX_PRE_CACHE_SELECTION);
// Create a map from account,type to a mailbox
Map<String, Cursor> snapshot = mCacheMailbox.getSnapshot();
Collection<Cursor> values = snapshot.values();
if (values != null) {
for (Cursor c: values) {
if (c.moveToFirst()) {
addToMailboxTypeMap(c);
}
}
}
}
}
/**
* Restore user Account and HostAuth data from our backup database
*/
@ -655,7 +511,6 @@ public class EmailProvider extends ContentProvider {
boolean messageDeletion = false;
ContentResolver resolver = context.getContentResolver();
ContentCache cache = mContentCaches[table];
String tableName = TABLE_NAMES[table];
int result = -1;
@ -727,41 +582,9 @@ public class EmailProvider extends ContentProvider {
db.execSQL(DELETED_MESSAGE_INSERT + id);
db.execSQL(UPDATED_MESSAGE_DELETE + id);
}
if (cache != null) {
cache.lock(id);
}
try {
result = db.delete(tableName, whereWithId(id, selection), selectionArgs);
if (cache != null) {
switch(match) {
case ACCOUNT_ID:
// Account deletion will clear all of the caches, as HostAuth's,
// Mailboxes, and Messages will be deleted in the process
mCacheMailbox.invalidate("Delete", uri, selection);
mCacheHostAuth.invalidate("Delete", uri, selection);
mCachePolicy.invalidate("Delete", uri, selection);
//$FALL-THROUGH$
case MAILBOX_ID:
// Mailbox deletion will clear the Message cache
mCacheMessage.invalidate("Delete", uri, selection);
//$FALL-THROUGH$
case SYNCED_MESSAGE_ID:
case MESSAGE_ID:
case HOSTAUTH_ID:
case POLICY_ID:
cache.invalidate("Delete", uri, selection);
// Make sure all data is properly cached
if (match != MESSAGE_ID) {
preCacheData();
}
break;
}
}
} finally {
if (cache != null) {
cache.unlock(id);
}
}
result = db.delete(tableName, whereWithId(id, selection), selectionArgs);
if (match == ACCOUNT_ID) {
notifyUI(UIPROVIDER_ACCOUNT_NOTIFIER, id);
resolver.notifyChange(UIPROVIDER_ALL_ACCOUNTS_NOTIFIER, null);
@ -787,32 +610,7 @@ public class EmailProvider extends ContentProvider {
case ACCOUNT:
case HOSTAUTH:
case POLICY:
switch(match) {
// See the comments above for deletion of ACCOUNT_ID, etc
case ACCOUNT:
mCacheMailbox.invalidate("Delete", uri, selection);
mCacheHostAuth.invalidate("Delete", uri, selection);
mCachePolicy.invalidate("Delete", uri, selection);
//$FALL-THROUGH$
case MAILBOX:
mCacheMessage.invalidate("Delete", uri, selection);
//$FALL-THROUGH$
case MESSAGE:
case HOSTAUTH:
case POLICY:
cache.invalidate("Delete", uri, selection);
break;
}
result = db.delete(tableName, selection, selectionArgs);
switch(match) {
case ACCOUNT:
case MAILBOX:
case HOSTAUTH:
case POLICY:
// Make sure all data is properly cached
preCacheData();
break;
}
break;
default:
@ -958,7 +756,7 @@ public class EmailProvider extends ContentProvider {
break;
case MAILBOX:
if (values.containsKey(MailboxColumns.TYPE)) {
// Only cache special mailbox types
// Only notify for special mailbox types
int type = values.getAsInteger(MailboxColumns.TYPE);
if (type != Mailbox.TYPE_INBOX && type != Mailbox.TYPE_OUTBOX &&
type != Mailbox.TYPE_DRAFTS && type != Mailbox.TYPE_SENT &&
@ -971,44 +769,24 @@ public class EmailProvider extends ContentProvider {
if (accountId != null && accountId.longValue() > 0) {
notifyUI(UIPROVIDER_ACCOUNT_NOTIFIER, accountId);
}
//$FALL-THROUGH$
case ACCOUNT:
case HOSTAUTH:
case POLICY:
// Cache new account, host auth, policy, and some mailbox rows
final Cursor c =
query(resultUri, CACHE_PROJECTIONS[table], null, null, null);
if (c != null) {
try {
if (match == MAILBOX) {
addToMailboxTypeMap(c);
} else if (match == ACCOUNT) {
getOrCreateAccountMailboxTypeMap(longId);
if (!uri.getBooleanQueryParameter(IS_UIPROVIDER, false)) {
notifyUIAccount(longId);
}
}
} finally {
c.close();
}
}
break;
}
// Clients shouldn't normally be adding rows to these tables, as they are
// maintained by triggers. However, we need to be able to do this for unit
// testing, so we allow the insert and then throw the same exception that we
// would if this weren't allowed.
if (match == UPDATED_MESSAGE || match == DELETED_MESSAGE) {
throw new IllegalArgumentException("Unknown URL " + uri);
} else if (match == ATTACHMENT) {
int flags = 0;
if (values.containsKey(Attachment.FLAGS)) {
flags = values.getAsInteger(Attachment.FLAGS);
}
// Report all new attachments to the download service
mAttachmentService.attachmentChanged(getContext(), longId, flags);
} else if (match == ACCOUNT) {
resolver.notifyChange(UIPROVIDER_ALL_ACCOUNTS_NOTIFIER, null);
case ACCOUNT:
if (!uri.getBooleanQueryParameter(IS_UIPROVIDER, false)) {
notifyUIAccount(longId);
}
resolver.notifyChange(UIPROVIDER_ALL_ACCOUNTS_NOTIFIER, null);
break;
case UPDATED_MESSAGE:
case DELETED_MESSAGE:
throw new IllegalArgumentException("Unknown URL " + uri);
case ATTACHMENT:
int flags = 0;
if (values.containsKey(Attachment.FLAGS)) {
flags = values.getAsInteger(Attachment.FLAGS);
}
// Report all new attachments to the download service
mAttachmentService.attachmentChanged(getContext(), longId, flags);
break;
}
break;
case MAILBOX_ID:
@ -1089,8 +867,6 @@ public class EmailProvider extends ContentProvider {
// insert into this URI causes a message to be added to the mailbox
// ** NOTE For now, the accountKey must be set manually in the values!
matcher.addURI(EmailContent.AUTHORITY, "mailbox/#", MAILBOX_ID);
matcher.addURI(EmailContent.AUTHORITY, "mailboxIdFromAccountAndType/#/#",
MAILBOX_ID_FROM_ACCOUNT_AND_TYPE);
matcher.addURI(EmailContent.AUTHORITY, "mailboxNotification/#",
MAILBOX_NOTIFICATION);
matcher.addURI(EmailContent.AUTHORITY, "mailboxMostRecentMessage/#",
@ -1259,16 +1035,7 @@ public class EmailProvider extends ContentProvider {
String limit = uri.getQueryParameter(EmailContent.PARAMETER_LIMIT);
String id;
// Find the cache for this query's table (if any)
ContentCache cache = null;
String tableName = TABLE_NAMES[table];
// We can only use the cache if there's no selection
if (selection == null) {
cache = mContentCaches[table];
}
if (cache == null) {
ContentCache.notCacheable(uri, selection);
}
try {
switch (match) {
@ -1325,43 +1092,28 @@ public class EmailProvider extends ContentProvider {
c = getMailboxMessageCount(uri);
return c;
case ACCOUNT_DEFAULT_ID:
// Start with a snapshot of the cache
Map<String, Cursor> accountCache = mCacheAccount.getSnapshot();
long accountId = Account.NO_ACCOUNT;
// Find the account with "isDefault" set, or the lowest account ID otherwise.
// Note that the snapshot from the cached isn't guaranteed to be sorted in any
// way.
Collection<Cursor> accounts = accountCache.values();
for (Cursor accountCursor: accounts) {
// For now, at least, we can have zero count cursors (e.g. if someone looks
// up a non-existent id); we need to skip these
if (accountCursor.moveToFirst()) {
boolean isDefault =
accountCursor.getInt(Account.CONTENT_IS_DEFAULT_COLUMN) == 1;
long iterId = accountCursor.getLong(Account.CONTENT_ID_COLUMN);
// We'll remember this one if it's the default or the first one we see
if (isDefault) {
accountId = iterId;
break;
} else if ((accountId == Account.NO_ACCOUNT) || (iterId < accountId)) {
accountId = iterId;
}
// We want either the row which has isDefault set, or we want the lowest valued
// account id if none are isDefault. I don't think there's a way to express this
// simply in sql so we get all account ids and loop through them manually.
final Cursor accounts = db.query(Account.TABLE_NAME,
Account.ACCOUNT_IS_DEFAULT_PROJECTION,
null, null, null, null, null, null);
long defaultAccountId = Account.NO_ACCOUNT;
while (accounts.moveToNext()) {
final long accountId =
accounts.getLong(Account.ACCOUNT_IS_DEFAULT_COLUMN_ID);
if (accounts.getInt(Account.ACCOUNT_IS_DEFAULT_COLUMN_IS_DEFAULT) == 1) {
defaultAccountId = accountId;
break;
} else if (defaultAccountId == Account.NO_ACCOUNT ||
accountId < defaultAccountId) {
defaultAccountId = accountId;
}
}
// Return a cursor with an id projection
MatrixCursor mc = new MatrixCursorWithCachedColumns(EmailContent.ID_PROJECTION);
mc.addRow(new Object[] {accountId});
c = mc;
break;
case MAILBOX_ID_FROM_ACCOUNT_AND_TYPE:
// Get accountId and type and find the mailbox in our map
List<String> pathSegments = uri.getPathSegments();
accountId = Long.parseLong(pathSegments.get(1));
int type = Integer.parseInt(pathSegments.get(2));
long mailboxId = getMailboxIdFromMailboxTypeMap(accountId, type);
// Return a cursor with an id projection
mc = new MatrixCursorWithCachedColumns(EmailContent.ID_PROJECTION);
mc.addRow(new Object[] {mailboxId});
final MatrixCursor mc =
new MatrixCursorWithCachedColumns(EmailContent.ID_PROJECTION, 1);
mc.addRow(new Object[] {defaultAccountId});
c = mc;
break;
case BODY:
@ -1374,18 +1126,6 @@ public class EmailProvider extends ContentProvider {
case HOSTAUTH:
case POLICY:
case QUICK_RESPONSE:
// Special-case "count of accounts"; it's common and we always know it
if (match == ACCOUNT && Arrays.equals(projection, EmailContent.COUNT_COLUMNS) &&
selection == null && limit.equals("1")) {
int accountCount = mMailboxTypeMap.size();
// In the rare case there are MAX_CACHED_ACCOUNTS or more, we can't do this
if (accountCount < MAX_CACHED_ACCOUNTS) {
mc = new MatrixCursorWithCachedColumns(projection, 1);
mc.addRow(new Object[] {accountCount});
c = mc;
break;
}
}
c = db.query(tableName, projection,
selection, selectionArgs, null, null, sortOrder, limit);
break;
@ -1400,20 +1140,8 @@ public class EmailProvider extends ContentProvider {
case POLICY_ID:
case QUICK_RESPONSE_ID:
id = uri.getPathSegments().get(1);
if (cache != null) {
c = cache.getCachedCursor(id, projection);
}
if (c == null) {
CacheToken token = null;
if (cache != null) {
token = cache.getCacheToken(id);
}
c = db.query(tableName, projection, whereWithId(id, selection),
selectionArgs, null, null, sortOrder, limit);
if (cache != null) {
c = cache.putCursor(c, id, projection, token);
}
}
c = db.query(tableName, projection, whereWithId(id, selection),
selectionArgs, null, null, sortOrder, limit);
break;
case ATTACHMENTS_MESSAGE_ID:
// All attachments for the given message
@ -1440,9 +1168,6 @@ public class EmailProvider extends ContentProvider {
e.printStackTrace();
throw e;
} finally {
if (cache != null && c != null && MailActivityEmail.DEBUG) {
cache.recordQueryTime(c, System.nanoTime() - time);
}
if (c == null) {
// This should never happen, but let's be sure to log it...
// TODO: There are actually cases where c == null is expected, for example
@ -1684,12 +1409,10 @@ public class EmailProvider extends ContentProvider {
values.remove(MailboxColumns.MESSAGE_COUNT);
}
ContentCache cache = mContentCaches[table];
String tableName = TABLE_NAMES[table];
String id = "0";
try {
outer:
switch (match) {
case ACCOUNT_PICK_TRASH_FOLDER:
return pickTrashFolder(uri);
@ -1748,9 +1471,6 @@ outer:
case QUICK_RESPONSE_ID:
case POLICY_ID:
id = uri.getPathSegments().get(1);
if (cache != null) {
cache.lock(id);
}
try {
if (match == SYNCED_MESSAGE_ID) {
// For synced messages, first copy the old message to the updated table
@ -1767,10 +1487,6 @@ outer:
// Null out values (so they aren't cached) and re-throw
values = null;
throw e;
} finally {
if (cache != null) {
cache.unlock(id, values);
}
}
if (match == MESSAGE_ID || match == SYNCED_MESSAGE_ID) {
if (!uri.getBooleanQueryParameter(IS_UIPROVIDER, false)) {
@ -1811,45 +1527,11 @@ outer:
case ACCOUNT:
case HOSTAUTH:
case POLICY:
switch(match) {
// To avoid invalidating the cache on updates, we execute them one at a
// time using the XXX_ID uri; these are all executed atomically
case ACCOUNT:
case MAILBOX:
case HOSTAUTH:
case POLICY:
Cursor c = db.query(tableName, EmailContent.ID_PROJECTION,
selection, selectionArgs, null, null, null);
db.beginTransaction();
result = 0;
try {
while (c.moveToNext()) {
update(ContentUris.withAppendedId(
uri, c.getLong(EmailContent.ID_PROJECTION_COLUMN)),
values, null, null);
result++;
}
db.setTransactionSuccessful();
} finally {
db.endTransaction();
c.close();
}
break outer;
// Any cached table other than those above should be invalidated here
case MESSAGE:
// If we're doing some generic update, the whole cache needs to be
// invalidated. This case should be quite rare
cache.invalidate("Update", uri, selection);
//$FALL-THROUGH$
default:
result = db.update(tableName, values, selection, selectionArgs);
break outer;
}
result = db.update(tableName, values, selection, selectionArgs);
break;
case ACCOUNT_RESET_NEW_COUNT_ID:
id = uri.getPathSegments().get(1);
if (cache != null) {
cache.lock(id);
}
ContentValues newMessageCount = CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT;
if (values != null) {
Long set = values.getAsLong(EmailContent.SET_COLUMN_NAME);
@ -1858,21 +1540,14 @@ outer:
newMessageCount.put(Account.NEW_MESSAGE_COUNT, set);
}
}
try {
result = db.update(tableName, newMessageCount,
whereWithId(id, selection), selectionArgs);
} finally {
if (cache != null) {
cache.unlock(id, values);
}
}
result = db.update(tableName, newMessageCount,
whereWithId(id, selection), selectionArgs);
notificationUri = Account.CONTENT_URI; // Only notify account cursors.
break;
case ACCOUNT_RESET_NEW_COUNT:
result = db.update(tableName, CONTENT_VALUES_RESET_NEW_MESSAGE_COUNT,
selection, selectionArgs);
// Affects all accounts. Just invalidate all account cache.
cache.invalidate("Reset all new counts", null, null);
notificationUri = Account.CONTENT_URI; // Only notify account cursors.
break;
default: