// This invokes the tranformation block if one is installed and queues the resulting CBL_Revision
private void queueDownloadedRevision(RevisionInternal rev) {
if (revisionBodyTransformationBlock != null) {
// Add 'file' properties to attachments pointing to their bodies:
for (Map.Entry<String, Map<String, Object>> entry :
((Map<String, Map<String, Object>>) rev.getProperties().get("_attachments")).entrySet()) {
String name = entry.getKey();
Map<String, Object> attachment = entry.getValue();
attachment.remove("file");
if (attachment.get("follows") != null && attachment.get("data") == null) {
String filePath = db.fileForAttachmentDict(attachment).getPath();
if (filePath != null) attachment.put("file", filePath);
}
}
RevisionInternal xformed = transformRevision(rev);
if (xformed == null) {
Log.v(Log.TAG_SYNC, "%s: Transformer rejected revision %s", this, rev);
pendingSequences.removeSequence(rev.getSequence());
lastSequence = pendingSequences.getCheckpointedValue();
pauseOrResume();
return;
}
rev = xformed;
// Clean up afterwards
Map<String, Object> attachments =
(Map<String, Object>) rev.getProperties().get("_attachments");
for (Map.Entry<String, Map<String, Object>> entry :
((Map<String, Map<String, Object>>) rev.getProperties().get("_attachments")).entrySet()) {
Map<String, Object> attachment = entry.getValue();
attachment.remove("file");
}
}
if (rev != null && rev.getBody() != null) rev.getBody().compact();
downloadsToInsert.queueObject(rev);
}
/**
* Removes a revision from the "pending" set after it's been uploaded. Advances checkpoint. -
* (void) removePending: (CBL_Revision*)rev in CBLRestPusher.m
*/
@InterfaceAudience.Private
private void removePending(RevisionInternal revisionInternal) {
long seq = revisionInternal.getSequence();
if (pendingSequences == null || pendingSequences.isEmpty()) {
Log.w(
Log.TAG_SYNC,
"%s: removePending() called w/ rev: %s, but pendingSequences empty",
this,
revisionInternal);
if (revisionInternal.getBody() != null) revisionInternal.getBody().release();
pauseOrResume();
return;
}
boolean wasFirst = (seq == pendingSequences.first());
if (!pendingSequences.contains(seq)) {
Log.w(
Log.TAG_SYNC,
"%s: removePending: sequence %s not in set, for rev %s",
this,
seq,
revisionInternal);
}
pendingSequences.remove(seq);
if (wasFirst) {
// If I removed the first pending sequence, can advance the checkpoint:
long maxCompleted;
if (pendingSequences.size() == 0) {
maxCompleted = maxPendingSequence;
} else {
maxCompleted = pendingSequences.first();
--maxCompleted;
}
setLastSequence(Long.toString(maxCompleted));
}
if (revisionInternal.getBody() != null) revisionInternal.getBody().release();
pauseOrResume();
}