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Code Issues Projects Releases Wiki Activity

Completely remove old local updates from the database.

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This commit is contained in:
akwizgran
2017-11-09 10:58:51 +00:00
parent bd7ebfd83a
commit 5e98126e77
4 changed files with 40 additions and 26 deletions
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10
bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseComponent.java
View File

@@ -122,8 +122,9 @@ public interface DatabaseComponent {
throws DbException;
/**
* Deletes the message with the given ID. The message ID and any other
* associated data are not deleted.
* Deletes the message with the given ID. Unlike
* {@link #removeMessage(Transaction, MessageId)}, the message ID and any
* other associated data are not deleted.
*/
void deleteMessage(Transaction txn, MessageId m) throws DbException;
@@ -452,6 +453,11 @@ public interface DatabaseComponent {
*/
void removeLocalAuthor(Transaction txn, AuthorId a) throws DbException;
/**
* Removes a message (and all associated state) from the database.
*/
void removeMessage(Transaction txn, MessageId m) throws DbException;
/**
* Removes a transport (and all associated state) from the database.
*/

10
bramble-core/src/main/java/org/briarproject/bramble/db/DatabaseComponentImpl.java
View File

@@ -770,6 +770,16 @@ class DatabaseComponentImpl<T> implements DatabaseComponent {
transaction.attach(new LocalAuthorRemovedEvent(a));
}
@Override
public void removeMessage(Transaction transaction, MessageId m)
throws DbException {
if (transaction.isReadOnly()) throw new IllegalArgumentException();
T txn = unbox(transaction);
if (!db.containsMessage(txn, m))
throw new NoSuchMessageException();
db.removeMessage(txn, m);
}
@Override
public void removeTransport(Transaction transaction, TransportId t)
throws DbException {

34
bramble-core/src/main/java/org/briarproject/bramble/properties/TransportPropertyManagerImpl.java
View File

@@ -269,10 +269,8 @@ class TransportPropertyManagerImpl implements TransportPropertyManager,
storeMessage(txn, localGroup.getId(), t, merged, version,
true, false);
// Delete the previous update, if any
if (latest != null) {
db.deleteMessage(txn, latest.messageId);
db.deleteMessageMetadata(txn, latest.messageId);
}
if (latest != null)
db.removeMessage(txn, latest.messageId);
// Store the merged properties in each contact's group
for (Contact c : db.getContacts(txn)) {
Group g = getContactGroup(c);
@@ -281,10 +279,8 @@ class TransportPropertyManagerImpl implements TransportPropertyManager,
storeMessage(txn, g.getId(), t, merged, version,
true, true);
// Delete the previous update, if any
if (latest != null) {
db.deleteMessage(txn, latest.messageId);
db.deleteMessageMetadata(txn, latest.messageId);
}
if (latest != null)
db.removeMessage(txn, latest.messageId);
}
}
db.commitTransaction(txn);
@@ -338,13 +334,11 @@ class TransportPropertyManagerImpl implements TransportPropertyManager,
latestUpdates.put(t, new LatestUpdate(e.getKey(), version));
} else if (version > latest.version) {
// This update is newer - delete the previous one
db.deleteMessage(txn, latest.messageId);
db.deleteMessageMetadata(txn, latest.messageId);
db.removeMessage(txn, latest.messageId);
latestUpdates.put(t, new LatestUpdate(e.getKey(), version));
} else {
// We've already found a newer update - delete this one
db.deleteMessage(txn, e.getKey());
db.deleteMessageMetadata(txn, e.getKey());
db.removeMessage(txn, e.getKey());
}
}
return latestUpdates;
@@ -366,13 +360,21 @@ class TransportPropertyManagerImpl implements TransportPropertyManager,
latest = new LatestUpdate(e.getKey(), version);
} else if (version > latest.version) {
// This update is newer - delete the previous one
db.deleteMessage(txn, latest.messageId);
db.deleteMessageMetadata(txn, latest.messageId);
if (local) {
db.removeMessage(txn, latest.messageId);
} else {
db.deleteMessage(txn, latest.messageId);
db.deleteMessageMetadata(txn, latest.messageId);
}
latest = new LatestUpdate(e.getKey(), version);
} else {
// We've already found a newer update - delete this one
db.deleteMessage(txn, e.getKey());
db.deleteMessageMetadata(txn, e.getKey());
if (local) {
db.removeMessage(txn, e.getKey());
} else {
db.deleteMessage(txn, e.getKey());
db.deleteMessageMetadata(txn, e.getKey());
}
}
}
}

12
bramble-core/src/test/java/org/briarproject/bramble/properties/TransportPropertyManagerImplTest.java
View File

@@ -587,8 +587,7 @@ public class TransportPropertyManagerImplTest extends BrambleMockTestCase {
expectStoreMessage(txn, localGroup.getId(), "foo",
fooPropertiesDict, 2, true, false);
// Delete the previous update
oneOf(db).deleteMessage(txn, localGroupUpdateId);
oneOf(db).deleteMessageMetadata(txn, localGroupUpdateId);
oneOf(db).removeMessage(txn, localGroupUpdateId);
// Store the merged properties in each contact's group, version 2
oneOf(db).getContacts(txn);
will(returnValue(Collections.singletonList(contact)));
@@ -600,8 +599,7 @@ public class TransportPropertyManagerImplTest extends BrambleMockTestCase {
expectStoreMessage(txn, contactGroup.getId(), "foo",
fooPropertiesDict, 2, true, true);
// Delete the previous update
oneOf(db).deleteMessage(txn, contactGroupUpdateId);
oneOf(db).deleteMessageMetadata(txn, contactGroupUpdateId);
oneOf(db).removeMessage(txn, contactGroupUpdateId);
oneOf(db).commitTransaction(txn);
oneOf(db).endTransaction(txn);
}});
@@ -676,10 +674,8 @@ public class TransportPropertyManagerImplTest extends BrambleMockTestCase {
oneOf(clientHelper).getMessageMetadataAsDictionary(txn,
localGroup.getId());
will(returnValue(messageMetadata));
oneOf(db).deleteMessage(txn, barVersion1);
oneOf(db).deleteMessageMetadata(txn, barVersion1);
oneOf(db).deleteMessage(txn, barVersion2);
oneOf(db).deleteMessageMetadata(txn, barVersion2);
oneOf(db).removeMessage(txn, barVersion1);
oneOf(db).removeMessage(txn, barVersion2);
// Retrieve and parse the latest local properties
oneOf(clientHelper).getMessageAsList(txn, fooVersion999);
will(returnValue(fooUpdate));