public int addDataSegment(final String iSegmentName, final String iSegmentFileName) {
checkConnection();
do {
try {
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_DATASEGMENT_ADD);
network.writeString(iSegmentName).writeString(iSegmentFileName);
} finally {
endRequest(network);
}
try {
beginResponse(network);
return network.readShort();
} finally {
endResponse(network);
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on add new data segment", e);
}
} while (true);
}
public long count(final int[] iClusterIds) {
checkConnection();
do {
try {
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_DATACLUSTER_COUNT);
network.writeShort((short) iClusterIds.length);
for (int i = 0; i < iClusterIds.length; ++i) network.writeShort((short) iClusterIds[i]);
} finally {
endRequest(network);
}
try {
beginResponse(network);
return network.readLong();
} finally {
endResponse(network);
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException(
"Error on read record count in clusters: " + Arrays.toString(iClusterIds), e);
}
} while (true);
}
public long count(final String iClassName) {
checkConnection();
do {
try {
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_COUNT);
network.writeString(iClassName);
} finally {
endRequest(network);
}
try {
beginResponse(network);
return network.readLong();
} finally {
endResponse(network);
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on executing count on class: " + iClassName, e);
}
} while (true);
}
public long getSize() {
checkConnection();
do {
try {
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_DB_SIZE);
} finally {
endRequest(network);
}
try {
beginResponse(network);
return network.readLong();
} finally {
endResponse(network);
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on read database size", e);
}
} while (true);
}
@Override
public long countRecords() {
checkConnection();
do {
try {
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_DB_COUNTRECORDS);
} finally {
endRequest(network);
}
try {
beginResponse(network);
return network.readLong();
} finally {
endResponse(network);
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on read database record count", e);
}
} while (true);
}
public long[] getClusterDataRange(final int iClusterId) {
checkConnection();
do {
try {
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_DATACLUSTER_DATARANGE);
network.writeShort((short) iClusterId);
} finally {
endRequest(network);
}
try {
beginResponse(network);
return new long[] {network.readLong(), network.readLong()};
} finally {
endResponse(network);
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on getting last entry position count in cluster: " + iClusterId, e);
}
} while (true);
}
public void reload() {
checkConnection();
do {
try {
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_DB_RELOAD);
} finally {
endRequest(network);
}
try {
beginResponse(network);
readDatabaseInformation(network);
break;
} finally {
endResponse(network);
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on reloading database information", e);
}
} while (true);
}
public int updateRecord(
final ORecordId iRid,
final byte[] iContent,
final int iVersion,
final byte iRecordType,
final ORecordCallback<Integer> iCallback) {
checkConnection();
do {
try {
final OChannelBinaryClient network =
beginRequest(OChannelBinaryProtocol.REQUEST_RECORD_UPDATE);
try {
network.writeRID(iRid);
network.writeBytes(iContent);
network.writeInt(iVersion);
network.writeByte(iRecordType);
} finally {
endRequest(network);
}
if (iCallback == null)
try {
beginResponse(network);
return network.readInt();
} finally {
endResponse(network);
}
else {
Callable<Object> response =
new Callable<Object>() {
public Object call() throws Exception {
int result;
beginResponse(network);
try {
result = network.readInt();
} finally {
endResponse(network);
}
iCallback.call(result);
return null;
}
};
asynchExecutor.submit(new FutureTask<Object>(response));
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on update record " + iRid, e);
}
} while (true);
}
public long createRecord(
final ORecordId iRid,
final byte[] iContent,
final byte iRecordType,
final ORecordCallback<Long> iCallback) {
checkConnection();
do {
try {
final OChannelBinaryClient network =
beginRequest(OChannelBinaryProtocol.REQUEST_RECORD_CREATE);
try {
network.writeShort((short) iRid.clusterId);
network.writeBytes(iContent);
network.writeByte(iRecordType);
} finally {
endRequest(network);
}
if (iCallback == null)
try {
beginResponse(network);
iRid.clusterPosition = network.readLong();
return iRid.clusterPosition;
} finally {
endResponse(network);
}
else {
Callable<Object> response =
new Callable<Object>() {
public Object call() throws Exception {
final Long result;
beginResponse(network);
try {
result = network.readLong();
} finally {
endResponse(network);
}
iCallback.call(result);
return null;
}
};
asynchExecutor.submit(new FutureTask<Object>(response));
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on create record in cluster: " + iRid.clusterId, e);
}
} while (true);
}
public int addCluster(
final String iClusterName,
final OStorage.CLUSTER_TYPE iClusterType,
final Object... iArguments) {
checkConnection();
do {
try {
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_DATACLUSTER_ADD);
network.writeString(iClusterType.toString());
network.writeString(iClusterName);
switch (iClusterType) {
case PHYSICAL:
// FILE PATH + START SIZE
network
.writeString(iArguments.length > 0 ? (String) iArguments[0] : "")
.writeInt(iArguments.length > 0 ? (Integer) iArguments[1] : -1);
break;
case LOGICAL:
// PHY CLUSTER ID
network.writeInt(iArguments.length > 0 ? (Integer) iArguments[0] : -1);
break;
}
} finally {
endRequest(network);
}
try {
beginResponse(network);
final int clusterId = network.readShort();
clustersIds.put(iClusterName.toLowerCase(), clusterId);
clustersTypes.put(iClusterName.toLowerCase(), iClusterType.toString());
return clusterId;
} finally {
endResponse(network);
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on add new cluster", e);
}
} while (true);
}
public ORawBuffer readRecord(
final ORecordId iRid, final String iFetchPlan, final ORecordCallback<ORawBuffer> iCallback) {
checkConnection();
if (OStorageRemoteThreadLocal.INSTANCE.get().commandExecuting)
// PENDING NETWORK OPERATION, CAN'T EXECUTE IT NOW
return null;
do {
try {
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_RECORD_LOAD);
network.writeRID(iRid);
network.writeString(iFetchPlan != null ? iFetchPlan : "");
} finally {
endRequest(network);
}
try {
beginResponse(network);
if (network.readByte() == 0) return null;
final ORawBuffer buffer =
new ORawBuffer(network.readBytes(), network.readInt(), network.readByte());
final ODatabaseRecord database = ODatabaseRecordThreadLocal.INSTANCE.get();
ORecordInternal<?> record;
while (network.readByte() == 2) {
record = (ORecordInternal<?>) readIdentifiable(network);
// PUT IN THE CLIENT LOCAL CACHE
database.getLevel1Cache().updateRecord(record);
}
return buffer;
} finally {
endResponse(network);
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on read record " + iRid, e);
}
} while (true);
}
public boolean dropCluster(final int iClusterId) {
checkConnection();
do {
try {
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_DATACLUSTER_REMOVE);
network.writeShort((short) iClusterId);
} finally {
endRequest(network);
}
try {
beginResponse(network);
if (network.readByte() == 1) {
// REMOVE THE CLUSTER LOCALLY
for (Entry<String, Integer> entry : clustersIds.entrySet())
if (entry.getValue() != null && entry.getValue().intValue() == iClusterId) {
clustersIds.remove(entry.getKey());
clustersTypes.remove(entry.getKey());
if (configuration.clusters.size() > iClusterId)
configuration.clusters.set(iClusterId, null);
break;
}
getLevel2Cache().freeCluster(iClusterId);
return true;
}
return false;
} finally {
endResponse(network);
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on removing of cluster", e);
}
} while (true);
}
public void commit(final OTransaction iTx) {
checkConnection();
do {
try {
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_TX_COMMIT);
network.writeInt(((OTransaction) iTx).getId());
network.writeByte((byte) (((OTransaction) iTx).isUsingLog() ? 1 : 0));
final List<OTransactionRecordEntry> tmpEntries = new ArrayList<OTransactionRecordEntry>();
while (iTx.getCurrentRecordEntries().iterator().hasNext()) {
for (OTransactionRecordEntry txEntry : iTx.getCurrentRecordEntries())
tmpEntries.add(txEntry);
iTx.clearRecordEntries();
if (tmpEntries.size() > 0)
for (OTransactionRecordEntry txEntry : tmpEntries) commitEntry(network, txEntry);
}
// END OF RECORD ENTRIES
network.writeByte((byte) 0);
// SEND INDEX ENTRIES
network.writeBytes(iTx.getIndexChanges().toStream());
} finally {
endRequest(network);
}
try {
beginResponse(network);
final int createdRecords = network.readInt();
ORecordId currentRid;
ORecordId createdRid;
for (int i = 0; i < createdRecords; i++) {
currentRid = network.readRID();
createdRid = network.readRID();
for (OTransactionRecordEntry txEntry : iTx.getAllRecordEntries()) {
if (txEntry.getRecord().getIdentity().equals(currentRid)) {
txEntry.getRecord().setIdentity(createdRid);
break;
}
}
}
final int updatedRecords = network.readInt();
ORecordId rid;
for (int i = 0; i < updatedRecords; ++i) {
rid = network.readRID();
// SEARCH THE RECORD WITH THAT ID TO UPDATE THE VERSION
for (OTransactionRecordEntry txEntry : iTx.getAllRecordEntries()) {
if (txEntry.getRecord().getIdentity().equals(rid)) {
txEntry.getRecord().setVersion(network.readInt());
break;
}
}
}
} finally {
endResponse(network);
}
// SET ALL THE RECORDS AS UNDIRTY
for (OTransactionRecordEntry txEntry : iTx.getAllRecordEntries())
txEntry.getRecord().unload();
// UPDATE THE CACHE ONLY IF THE ITERATOR ALLOWS IT. USE THE STRATEGY TO ALWAYS REMOVE ALL
// THE RECORDS SINCE THEY COULD BE
// CHANGED AS CONTENT IN CASE OF TREE AND GRAPH DUE TO CROSS REFERENCES
OTransactionAbstract.updateCacheFromEntries(this, iTx, iTx.getAllRecordEntries(), false);
break;
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on commit", e);
}
} while (true);
}
/** Execute the command remotely and get the results back. */
public Object command(final OCommandRequestText iCommand) {
checkConnection();
if (!(iCommand instanceof OSerializableStream))
throw new OCommandExecutionException(
"Cannot serialize the command to be executed to the server side.");
OSerializableStream command = iCommand;
Object result = null;
final ODatabaseRecord database = ODatabaseRecordThreadLocal.INSTANCE.get();
do {
OStorageRemoteThreadLocal.INSTANCE.get().commandExecuting = true;
try {
final OCommandRequestText aquery = iCommand;
final boolean asynch = iCommand instanceof OCommandRequestAsynch;
OChannelBinaryClient network = null;
try {
network = beginRequest(OChannelBinaryProtocol.REQUEST_COMMAND);
network.writeByte((byte) (asynch ? 'a' : 's')); // ASYNC / SYNC
network.writeBytes(OStreamSerializerAnyStreamable.INSTANCE.toStream(command));
} finally {
endRequest(network);
}
try {
beginResponse(network);
if (asynch) {
byte status;
// ASYNCH: READ ONE RECORD AT TIME
while ((status = network.readByte()) > 0) {
final ORecordSchemaAware<?> record =
(ORecordSchemaAware<?>) readIdentifiable(network);
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();
}
database.getLevel1Cache().updateRecord(record);
break;
case 2:
// PUT IN THE CLIENT LOCAL CACHE
database.getLevel1Cache().updateRecord(record);
}
}
} else {
final byte type = network.readByte();
switch (type) {
case 'n':
result = null;
break;
case 'r':
result = readIdentifiable(network);
if (result instanceof ORecord<?>)
database.getLevel1Cache().updateRecord((ORecordInternal<?>) result);
break;
case 'l':
final int tot = network.readInt();
final Collection<OIdentifiable> list = new ArrayList<OIdentifiable>();
for (int i = 0; i < tot; ++i) {
final OIdentifiable resultItem = readIdentifiable(network);
if (resultItem instanceof ORecord<?>)
database.getLevel1Cache().updateRecord((ORecordInternal<?>) resultItem);
list.add(resultItem);
}
result = list;
break;
case 'a':
final String value = new String(network.readBytes());
result =
ORecordSerializerStringAbstract.fieldTypeFromStream(
null, ORecordSerializerStringAbstract.getType(value), value);
break;
}
}
break;
} finally {
endResponse(network);
}
} catch (OException e) {
// PASS THROUGH
throw e;
} catch (Exception e) {
handleException("Error on executing command: " + iCommand, e);
} finally {
OStorageRemoteThreadLocal.INSTANCE.get().commandExecuting = false;
}
} while (true);
return result;
}
