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();
}
void exportSyncRecords(PrismsCenter center, DBRecordKeeper keeper, JsonStreamWriter jsw)
throws java.io.IOException, PrismsRecordException {
jsw.startObject();
jsw.startProperty("id");
jsw.writeNumber(Integer.valueOf(center.getID()));
jsw.startProperty("centerID");
jsw.writeNumber(Integer.valueOf(center.getCenterID()));
jsw.startProperty("syncRecords");
jsw.startArray();
for (SyncRecord record : keeper.getSyncRecords(center, null)) {
jsw.startObject();
jsw.startProperty("id");
jsw.writeNumber(Integer.valueOf(record.getID()));
jsw.startProperty("parallelID");
jsw.writeNumber(Integer.valueOf(record.getParallelID()));
jsw.startProperty("syncType");
jsw.writeString(record.getSyncType().toString());
jsw.startProperty("time");
jsw.writeNumber(Long.valueOf(record.getSyncTime()));
jsw.startProperty("isImport");
jsw.writeBoolean(record.isImport());
jsw.startProperty("syncError");
jsw.writeString(record.getSyncError());
jsw.startProperty("associated");
jsw.startArray();
for (long assoc : keeper.getChangeIDs(null, null, null, null, record, null)) {
jsw.startObject();
jsw.startProperty("id");
jsw.writeNumber(Long.valueOf(assoc));
jsw.startProperty("error");
jsw.writeBoolean(!keeper.hasSuccessfulChange(assoc));
jsw.endObject();
}
jsw.endArray();
jsw.endObject();
}
jsw.endArray();
jsw.endObject();
}
boolean exportData(prisms.ui.UI ui, prisms.ui.UI.DefaultProgressInformer pi, boolean global) {
java.io.File exportFile =
new java.io.File(
theApps[0].getEnvironment().getLogger().getExposedDir() + ".exportedData.dat");
if (exportFile.exists() && !prisms.util.FileSegmentizerOutputStream.delete(exportFile)) {
ui.error(
"Could not delete data exported on "
+ prisms.util.PrismsUtils.print(exportFile.lastModified()));
log.error(
"Could not delete data exported on "
+ prisms.util.PrismsUtils.print(exportFile.lastModified()));
return false;
}
prisms.util.FileSegmentizerOutputStream fileStream = null;
prisms.util.ExportStream exportStream;
java.io.OutputStreamWriter streamWriter;
JsonStreamWriter jsw;
try {
fileStream = new prisms.util.FileSegmentizerOutputStream(exportFile);
exportStream = new prisms.util.ExportStream(fileStream);
streamWriter = new java.io.OutputStreamWriter(exportStream);
// streamWriter = new java.io.OutputStreamWriter(fileStream);
jsw = new JsonStreamWriter(streamWriter);
} catch (java.io.IOException e) {
ui.error("Could not write data for export: " + e);
log.error("Could not write data for export", e);
if (fileStream != null)
try {
fileStream.close();
} catch (java.io.IOException e2) {
}
prisms.util.FileSegmentizerOutputStream.delete(exportFile);
return false;
}
boolean success = false;
try {
jsw.startObject();
jsw.startProperty("exportTime");
jsw.writeNumber(Long.valueOf(System.currentTimeMillis()));
jsw.startProperty("instance");
jsw.writeNumber(Integer.valueOf(theApps[0].getEnvironment().getIDs().getCenterID()));
jsw.startProperty("hashing");
Hashing hashing = theApps[0].getEnvironment().getUserSource().getHashing();
jsw.startObject();
jsw.startProperty("multiples");
jsw.startArray();
for (long h : hashing.getPrimaryMultiples()) jsw.writeNumber(Long.valueOf(h));
jsw.endArray();
jsw.startProperty("modulos");
jsw.startArray();
for (long h : hashing.getPrimaryModulos()) jsw.writeNumber(Long.valueOf(h));
jsw.endArray();
jsw.endObject();
jsw.startProperty("data");
jsw.startArray();
java.util.HashSet<String> namespaces = new java.util.HashSet<String>();
for (PrismsApplication app : theApps) {
for (prisms.arch.event.PrismsProperty<?> property : app.getGlobalProperties()) {
if (PrismsSynchronizer.class.isAssignableFrom(property.getType())) {
PrismsSynchronizer sync = (PrismsSynchronizer) app.getGlobalProperty(property);
if (sync == null || !(sync.getKeeper() instanceof DBRecordKeeper)) continue;
exportData(ui, sync, jsw, namespaces, pi, global);
}
}
}
jsw.endArray();
jsw.startProperty("passwords");
jsw.startArray();
for (User user : theApps[0].getEnvironment().getUserSource().getActiveUsers()) {
prisms.arch.ds.UserSource.Password pwd =
theApps[0].getEnvironment().getUserSource().getPassword(user);
if (pwd == null) continue;
jsw.startObject();
jsw.startProperty("userName");
jsw.writeString(user.getName());
jsw.startProperty("passwordData");
jsw.startArray();
for (long h : pwd.hash) jsw.writeNumber(Long.valueOf(h));
jsw.endArray();
jsw.endObject();
}
jsw.endArray();
jsw.endObject();
jsw.close();
streamWriter.close();
fileStream.close();
success = true;
ui.info(
"Data has been exported. On server restart after rebuild,"
+ " local data will be imported.");
log.info(
"Instance "
+ theApps[0].getEnvironment().getIDs().getLocalInstance().location
+ ": Data has been exported to "
+ exportFile.getCanonicalPath());
} catch (java.io.IOException e) {
ui.error("Data export failed: " + e);
log.error("Data export failed", e);
} catch (prisms.records.PrismsRecordException e) {
ui.error("Data export failed: " + e);
log.error("Data export failed", e);
} finally {
if (!success) {
try {
fileStream.close();
} catch (java.io.IOException e2) {
}
prisms.util.FileSegmentizerOutputStream.delete(exportFile);
}
}
return success;
}
