void exportData(
prisms.ui.UI ui,
PrismsSynchronizer sync,
JsonStreamWriter jsw,
java.util.HashSet<String> namespaces,
prisms.ui.UI.DefaultProgressInformer pi,
boolean global)
throws java.io.IOException, PrismsRecordException {
DBRecordKeeper keeper = (DBRecordKeeper) sync.getKeeper();
String namespace = keeper.getNamespace();
if (namespaces.contains(namespace)) return;
namespaces.add(namespace);
for (PrismsSynchronizer depend : sync.getDepends())
exportData(ui, depend, jsw, namespaces, pi, global);
jsw.startObject();
jsw.startProperty("namespace");
jsw.writeString(namespace);
jsw.startProperty("version");
String v = null;
SynchronizeImpl impl = null;
for (SynchronizeImpl imp : sync.getImpls())
if (prisms.arch.PrismsConfig.compareVersions(imp.getVersion(), v) > 0) {
impl = imp;
v = impl.getVersion();
}
jsw.writeString(v);
SyncRecord syncRecord =
new SyncRecord(
new PrismsCenter("Export"),
SyncRecord.Type.AUTOMATIC,
System.currentTimeMillis(),
false);
pi.setProgressText("Exporting " + namespace + " items");
ui.startTimedTask(pi);
PrismsSynchronizer.SyncTransaction syncTrans = sync.transact(v, false, syncRecord, false, pi);
PrismsSynchronizer.PS2ItemWriter itemWriter =
new PrismsSynchronizer.PS2ItemWriter(
syncTrans, jsw, new prisms.records.LatestCenterChange[0]);
int[] centerIDs = global ? keeper.getAllCenterIDs() : new int[] {keeper.getCenterID()};
SynchronizeImpl.ItemIterator iter = impl.getAllItems(centerIDs, syncRecord.getCenter());
jsw.startProperty("items");
jsw.startArray();
while (iter.hasNext()) itemWriter.writeItem(iter.next());
for (PrismsCenter center : keeper.getCenters()) itemWriter.writeItem(center);
if (keeper.getAutoPurger() != null) itemWriter.writeItem(keeper.getAutoPurger());
jsw.endArray();
pi.setProgressText("Exporting " + namespace + " changes");
prisms.util.Sorter<RecordKeeper.ChangeField> sorter;
sorter = new prisms.util.Sorter<RecordKeeper.ChangeField>();
sorter.addSort(RecordKeeper.ChangeField.CHANGE_TIME, true);
prisms.util.Search changeSearch =
global
? null
: new prisms.records.ChangeSearch.IDRange(
Long.valueOf(IDGenerator.getMinID(keeper.getCenterID())),
Long.valueOf(IDGenerator.getMaxID(keeper.getCenterID())))
.and(new prisms.records.ChangeSearch.LocalOnlySearch(null));
prisms.util.LongList changeIDs =
new prisms.util.LongList(keeper.search(changeSearch, sorter));
long[] batch = new long[changeIDs.size() < 200 ? changeIDs.size() : 200];
jsw.startProperty("changes");
jsw.startArray();
for (int i = 0; i < changeIDs.size(); i += batch.length) {
if (changeIDs.size() - i < batch.length) batch = new long[changeIDs.size() - i];
changeIDs.arrayCopy(i, batch, 0, batch.length);
ChangeRecord[] changes = keeper.getItems(batch);
for (ChangeRecord change : changes)
if (change != null
&& (change.type.subjectType instanceof PrismsChange || impl.shouldSend(change)))
itemWriter.writeChange(change, false);
}
jsw.endArray();
if (global) {
pi.setProgressText("Exporting " + namespace + " sync records");
jsw.startProperty("syncRecords");
jsw.startArray();
for (PrismsCenter center : keeper.getCenters()) exportSyncRecords(center, keeper, jsw);
jsw.endArray();
pi.setProgressText("Exporting " + namespace + " metadata");
jsw.startProperty("latestChanges");
jsw.startArray();
prisms.util.IntList allCenterIDs = new prisms.util.IntList(keeper.getAllCenterIDs());
for (int i = 0; i < allCenterIDs.size(); i++)
for (int j = 0; j < allCenterIDs.size(); j++) {
long changeTime = keeper.getLatestChange(allCenterIDs.get(i), allCenterIDs.get(j));
if (changeTime > 0) {
jsw.startObject();
jsw.startProperty("center");
jsw.writeNumber(Integer.valueOf(allCenterIDs.get(i)));
jsw.startProperty("subjectCenter");
jsw.writeNumber(Integer.valueOf(allCenterIDs.get(i)));
jsw.startProperty("latestChange");
jsw.writeNumber(Long.valueOf(changeTime));
jsw.endObject();
}
}
jsw.endArray();
}
jsw.endObject();
}
