/**
* Updates multiple proxy data stores in a single transaction
*
* @param ds The Array of DataStores to update
* @throws DataStoreException
*/
public static void update(DataStoreProxy[] ds) throws DataStoreException {
int i = 0;
DSDataSourceProxy out = ds[0].getDataSourceProxy();
try {
out.preUpdate(ds[0]);
for (i = 0; i < ds.length; i++) {
out.writeDSHeader(ds[i]);
ds[i].setRemoteUpdateReturnValue(null);
ds[i].updateDs(out);
}
out.commit(ds[0]);
out.postUpdate(ds, true);
for (i = 0; i < ds.length; i++) ds[i].resetStatus();
} catch (DataStoreException e) {
try {
out.postUpdate(ds, false);
} catch (Exception ex) {
System.err.println("DataStoreProxy.update() -- postUpdate:" + ex);
}
throw (e);
} catch (Exception e) {
try {
out.postUpdate(ds, false);
} catch (Exception ex) {
System.err.println("DataStoreProxy.update() -- postUpdate:" + ex);
}
String message = e.getMessage();
if (message.equals("$Update$") || message.equals("$Insert$") || message.equals("$Delete$")) {
throw new DataStoreException("DataStore updated canceled.");
} else throw new DataStoreException(e.toString());
}
}
/**
* This method will cause the database to reflect the changes made in the data store's buffer.
*
* @exception com.salmonllc.sql.DataStoreException If a SQLError occurs while the datastore is
* updating.
*/
public void update() throws DataStoreException {
waitForRetrieve();
DSDataSourceProxy out = _dataSource;
_updateResults = null;
DataStoreProxy[] proxy = {this};
try {
out.preUpdate(this);
out.writeDSHeader(this);
updateDs(out);
out.commit(this);
out.postUpdate(proxy, true);
resetStatus();
notifyListeners(ModelChangedEvent.TYPE_DATA_LOADED);
} catch (DataStoreException e) {
try {
out.postUpdate(proxy, false);
} catch (Exception ex) {
System.err.println("DataStoreProxy.update() -- postUpdate:" + ex);
}
throw (e);
} catch (Exception e) {
try {
out.postUpdate(proxy, false);
} catch (Exception ex) {
System.err.println("DataStoreProxy.update() -- postUpdate:" + ex);
}
String message = e.getMessage();
if (message.equals("$Update$") || message.equals("$Insert$") || message.equals("$Delete$")) {
throw new DataStoreException("DataStore updated canceled.");
} else throw new DataStoreException(e.toString());
}
}
