gecko/mobile/android/base/sync/synchronizer/ServerLocalSynchronizerSession.java
Nick Alexander d49f32eda3 Bug 736393 - Don't abort on store failure. r=rnewman
--HG--
extra : rebase_source : dd9d3b27397739265bcc7a46167e6cffbe4afc23
2012-05-31 12:21:08 -07:00

77 lines
3.2 KiB
Java

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.sync.synchronizer;
import org.mozilla.gecko.sync.Logger;
import org.mozilla.gecko.sync.repositories.FetchFailedException;
import org.mozilla.gecko.sync.repositories.StoreFailedException;
/**
* A <code>SynchronizerSession</code> designed to be used between a remote
* server and a local repository.
* <p>
* Handles failure cases as follows (in the order they will occur during a sync):
* <ul>
* <li>Remote fetch failures abort.</li>
* <li>Local store failures are ignored.</li>
* <li>Local fetch failures abort.</li>
* <li>Remote store failures abort.</li>
* </ul>
*/
public class ServerLocalSynchronizerSession extends SynchronizerSession {
protected static final String LOG_TAG = "ServLocSynchronizerSess";
public ServerLocalSynchronizerSession(Synchronizer synchronizer, SynchronizerSessionDelegate delegate) {
super(synchronizer, delegate);
}
public void onFirstFlowCompleted(RecordsChannel recordsChannel, long fetchEnd, long storeEnd) {
// Fetch failures always abort.
int numRemoteFetchFailed = recordsChannel.getFetchFailureCount();
if (numRemoteFetchFailed > 0) {
final String message = "Got " + numRemoteFetchFailed + " failures fetching remote records!";
Logger.warn(LOG_TAG, message + " Aborting session.");
delegate.onSynchronizeFailed(this, new FetchFailedException(), message);
return;
}
Logger.trace(LOG_TAG, "No failures fetching remote records.");
// Local store failures are ignored.
int numLocalStoreFailed = recordsChannel.getStoreFailureCount();
if (numLocalStoreFailed > 0) {
final String message = "Got " + numLocalStoreFailed + " failures storing local records!";
Logger.warn(LOG_TAG, message + " Ignoring local store failures and continuing synchronizer session.");
} else {
Logger.trace(LOG_TAG, "No failures storing local records.");
}
super.onFirstFlowCompleted(recordsChannel, fetchEnd, storeEnd);
}
public void onSecondFlowCompleted(RecordsChannel recordsChannel, long fetchEnd, long storeEnd) {
// Fetch failures always abort.
int numLocalFetchFailed = recordsChannel.getFetchFailureCount();
if (numLocalFetchFailed > 0) {
final String message = "Got " + numLocalFetchFailed + " failures fetching local records!";
Logger.warn(LOG_TAG, message + " Aborting session.");
delegate.onSynchronizeFailed(this, new FetchFailedException(), message);
return;
}
Logger.trace(LOG_TAG, "No failures fetching local records.");
// Remote store failures abort!
int numRemoteStoreFailed = recordsChannel.getStoreFailureCount();
if (numRemoteStoreFailed > 0) {
final String message = "Got " + numRemoteStoreFailed + " failures storing remote records!";
Logger.warn(LOG_TAG, message + " Aborting session.");
delegate.onSynchronizeFailed(this, new StoreFailedException(), message);
return;
}
Logger.trace(LOG_TAG, "No failures storing remote records.");
super.onSecondFlowCompleted(recordsChannel, fetchEnd, storeEnd);
}
}