try {
final OCommandRequestText aquery = iCommand;
final boolean asynch = iCommand instanceof OCommandRequestAsynch;
final OChannelBinaryClient network = beginRequest(OChannelBinaryProtocol.REQUEST_COMMAND);
try {
network.writeByte((byte) (asynch ? 'a' : 's')); // ASYNC / SYNC
network.writeBytes(OStreamSerializerAnyStreamable.INSTANCE.toStream(iCommand.getDatabase(), command));
} finally {
endRequest(network);
}
try {
beginResponse(network);
if (asynch) {
byte status;
// ASYNCH: READ ONE RECORD AT TIME
while ((status = network.readByte()) > 0) {
ORecordSchemaAware<?> record = (ORecordSchemaAware<?>) readRecordFromNetwork(network, iCommand.getDatabase());
if (record == null)
break;
switch (status) {
case 1:
// PUT AS PART OF THE RESULT SET. INVOKE THE LISTENER
try {
if (!aquery.getResultListener().result(record)) {
// EMPTY THE INPUT CHANNEL
while (network.in.available() > 0)
network.in.read();
break;
}
} catch (Throwable t) {
// ABSORBE ALL THE USER EXCEPTIONS
t.printStackTrace();
}
break;
case 2:
// PUT IN THE CLIENT LOCAL CACHE
level2cache.pushRecord(record);
}
}
} else {
final byte type = network.readByte();
switch (type) {
case 'n':
result = null;
break;
case 'r':
result = readRecordFromNetwork(network, iCommand.getDatabase());
break;
case 'l':
final int tot = network.readInt();
final Collection<OIdentifiable> list = new ArrayList<OIdentifiable>();
for (int i = 0; i < tot; ++i) {
list.add(readRecordFromNetwork(network, iCommand.getDatabase()));
}
result = list;
break;
case 'a':
final String value = new String(network.readBytes());
result = ORecordSerializerStringAbstract.fieldTypeFromStream(null, ORecordSerializerStringAbstract.getType(value),
value);
break;
}
}