Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
org.apache.iotdb.session.SessionConnection Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.iotdb.session;
import org.apache.iotdb.isession.Config;
import org.apache.iotdb.isession.util.SystemStatus;
import org.apache.iotdb.rpc.IoTDBConnectionException;
import org.apache.iotdb.rpc.RedirectException;
import org.apache.iotdb.rpc.RpcTransportFactory;
import org.apache.iotdb.rpc.RpcUtils;
import org.apache.iotdb.rpc.SessionTimeoutException;
import org.apache.iotdb.rpc.StatementExecutionException;
import org.apache.iotdb.service.rpc.thrift.EndPoint;
import org.apache.iotdb.service.rpc.thrift.TSAppendSchemaTemplateReq;
import org.apache.iotdb.service.rpc.thrift.TSBackupConfigurationResp;
import org.apache.iotdb.service.rpc.thrift.TSCloseSessionReq;
import org.apache.iotdb.service.rpc.thrift.TSConnectionInfoResp;
import org.apache.iotdb.service.rpc.thrift.TSCreateAlignedTimeseriesReq;
import org.apache.iotdb.service.rpc.thrift.TSCreateMultiTimeseriesReq;
import org.apache.iotdb.service.rpc.thrift.TSCreateSchemaTemplateReq;
import org.apache.iotdb.service.rpc.thrift.TSCreateTimeseriesReq;
import org.apache.iotdb.service.rpc.thrift.TSDeleteDataReq;
import org.apache.iotdb.service.rpc.thrift.TSDropSchemaTemplateReq;
import org.apache.iotdb.service.rpc.thrift.TSExecuteStatementReq;
import org.apache.iotdb.service.rpc.thrift.TSExecuteStatementResp;
import org.apache.iotdb.service.rpc.thrift.TSGetSystemStatusResp;
import org.apache.iotdb.service.rpc.thrift.TSIService;
import org.apache.iotdb.service.rpc.thrift.TSInsertRecordReq;
import org.apache.iotdb.service.rpc.thrift.TSInsertRecordsOfOneDeviceReq;
import org.apache.iotdb.service.rpc.thrift.TSInsertRecordsReq;
import org.apache.iotdb.service.rpc.thrift.TSInsertStringRecordReq;
import org.apache.iotdb.service.rpc.thrift.TSInsertStringRecordsOfOneDeviceReq;
import org.apache.iotdb.service.rpc.thrift.TSInsertStringRecordsReq;
import org.apache.iotdb.service.rpc.thrift.TSInsertTabletReq;
import org.apache.iotdb.service.rpc.thrift.TSInsertTabletsReq;
import org.apache.iotdb.service.rpc.thrift.TSLastDataQueryReq;
import org.apache.iotdb.service.rpc.thrift.TSOpenSessionReq;
import org.apache.iotdb.service.rpc.thrift.TSOpenSessionResp;
import org.apache.iotdb.service.rpc.thrift.TSOperationSyncWriteReq;
import org.apache.iotdb.service.rpc.thrift.TSPruneSchemaTemplateReq;
import org.apache.iotdb.service.rpc.thrift.TSQueryTemplateReq;
import org.apache.iotdb.service.rpc.thrift.TSQueryTemplateResp;
import org.apache.iotdb.service.rpc.thrift.TSRawDataQueryReq;
import org.apache.iotdb.service.rpc.thrift.TSSetSchemaTemplateReq;
import org.apache.iotdb.service.rpc.thrift.TSSetTimeZoneReq;
import org.apache.iotdb.service.rpc.thrift.TSSetUsingTemplateReq;
import org.apache.iotdb.service.rpc.thrift.TSStatus;
import org.apache.iotdb.service.rpc.thrift.TSUnsetSchemaTemplateReq;
import org.apache.iotdb.session.util.SessionUtils;
import org.apache.thrift.TException;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TCompactProtocol;
import org.apache.thrift.transport.TTransport;
import org.apache.thrift.transport.TTransportException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.time.ZoneId;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.StringJoiner;
public class SessionConnection {
private static final Logger logger = LoggerFactory.getLogger(SessionConnection.class);
public static final String MSG_RECONNECTION_FAIL =
"Fail to reconnect to server. Please check server status.";
private Session session;
private TTransport transport;
private TSIService.Iface client;
private long sessionId;
private long statementId;
private ZoneId zoneId;
private EndPoint endPoint;
private List endPointList = new ArrayList<>();
private boolean enableRedirect = false;
public static final String VERSION = "version";
// TestOnly
public SessionConnection() {}
public SessionConnection(Session session, EndPoint endPoint, ZoneId zoneId)
throws IoTDBConnectionException {
this.session = session;
this.endPoint = endPoint;
endPointList.add(endPoint);
this.zoneId = zoneId == null ? ZoneId.systemDefault() : zoneId;
try {
init(endPoint);
} catch (IoTDBConnectionException e) {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
public SessionConnection(Session session, ZoneId zoneId) throws IoTDBConnectionException {
this.session = session;
this.zoneId = zoneId == null ? ZoneId.systemDefault() : zoneId;
this.endPointList = SessionUtils.parseSeedNodeUrls(session.nodeUrls);
initClusterConn();
}
private void init(EndPoint endPoint) throws IoTDBConnectionException {
RpcTransportFactory.setDefaultBufferCapacity(session.thriftDefaultBufferSize);
RpcTransportFactory.setThriftMaxFrameSize(session.thriftMaxFrameSize);
try {
transport =
RpcTransportFactory.INSTANCE.getTransport(
// as there is a try-catch already, we do not need to use TSocket.wrap
endPoint.getIp(), endPoint.getPort(), session.connectionTimeoutInMs);
transport.open();
} catch (TTransportException e) {
throw new IoTDBConnectionException(e);
}
if (session.enableRPCCompression) {
client = new TSIService.Client(new TCompactProtocol(transport));
} else {
client = new TSIService.Client(new TBinaryProtocol(transport));
}
client = RpcUtils.newSynchronizedClient(client);
TSOpenSessionReq openReq = new TSOpenSessionReq();
openReq.setUsername(session.username);
openReq.setPassword(session.password);
openReq.setZoneId(zoneId.toString());
openReq.putToConfiguration(VERSION, session.version.toString());
try {
TSOpenSessionResp openResp = client.openSession(openReq);
RpcUtils.verifySuccess(openResp.getStatus());
if (Session.protocolVersion.getValue() != openResp.getServerProtocolVersion().getValue()) {
logger.warn(
"Protocol differ, Client version is {}}, but Server version is {}",
Session.protocolVersion.getValue(),
openResp.getServerProtocolVersion().getValue());
// less than 0.10
if (openResp.getServerProtocolVersion().getValue() == 0) {
throw new TException(
String.format(
"Protocol not supported, Client version is %s, but Server version is %s",
Session.protocolVersion.getValue(),
openResp.getServerProtocolVersion().getValue()));
}
}
sessionId = openResp.getSessionId();
statementId = client.requestStatementId(sessionId);
} catch (Exception e) {
transport.close();
throw new IoTDBConnectionException(e);
}
}
private void initClusterConn() throws IoTDBConnectionException {
for (EndPoint endPoint : endPointList) {
try {
session.defaultEndPoint = endPoint;
init(endPoint);
} catch (IoTDBConnectionException e) {
if (!reconnect()) {
logger.error("Cluster has no nodes to connect");
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
break;
}
}
public void close() throws IoTDBConnectionException {
TSCloseSessionReq req = new TSCloseSessionReq(sessionId);
try {
client.closeSession(req);
} catch (TException e) {
throw new IoTDBConnectionException(
"Error occurs when closing session at server. Maybe server is down.", e);
} finally {
if (transport != null) {
transport.close();
}
}
}
protected TSIService.Iface getClient() {
return client;
}
protected SystemStatus getSystemStatus() throws IoTDBConnectionException {
TSGetSystemStatusResp resp;
try {
resp = client.getSystemStatus(sessionId);
} catch (TException e) {
if (reconnect()) {
try {
resp = client.getSystemStatus(sessionId);
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
return SystemStatus.valueOf(resp.getSystemStatus());
}
protected void setTimeZone(String zoneId)
throws StatementExecutionException, IoTDBConnectionException {
TSSetTimeZoneReq req = new TSSetTimeZoneReq(sessionId, zoneId);
TSStatus resp;
try {
resp = client.setTimeZone(req);
verifySuccessWrapper(resp);
} catch (TException e) {
if (reconnect()) {
try {
req.setSessionId(sessionId);
resp = client.setTimeZone(req);
verifySuccessWrapper(resp);
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
this.zoneId = ZoneId.of(zoneId);
}
protected String getTimeZone() {
if (zoneId == null) {
zoneId = ZoneId.systemDefault();
}
return zoneId.toString();
}
protected void setStorageGroup(String storageGroup)
throws IoTDBConnectionException, StatementExecutionException, RedirectException {
try {
verifySuccessWithRedirectionWrapper(client.setStorageGroup(sessionId, storageGroup));
} catch (TException e) {
if (reconnect()) {
try {
verifySuccessWrapper(client.setStorageGroup(sessionId, storageGroup));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void deleteStorageGroups(List storageGroups)
throws IoTDBConnectionException, StatementExecutionException, RedirectException {
try {
verifySuccessWithRedirectionWrapper(client.deleteStorageGroups(sessionId, storageGroups));
} catch (TException e) {
if (reconnect()) {
try {
verifySuccessWrapper(client.deleteStorageGroups(sessionId, storageGroups));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void createTimeseries(TSCreateTimeseriesReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.createTimeseries(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.createTimeseries(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void createAlignedTimeseries(TSCreateAlignedTimeseriesReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.createAlignedTimeseries(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.createAlignedTimeseries(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void createMultiTimeseries(TSCreateMultiTimeseriesReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.createMultiTimeseries(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.createMultiTimeseries(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected boolean checkTimeseriesExists(String path, long timeout)
throws IoTDBConnectionException, StatementExecutionException {
SessionDataSet dataSet = null;
try {
try {
dataSet = executeQueryStatement(String.format("SHOW TIMESERIES %s", path), timeout);
} catch (RedirectException e) {
throw new StatementExecutionException("need to redirect query, should not see this.", e);
}
return dataSet.hasNext();
} finally {
if (dataSet != null) {
dataSet.closeOperationHandle();
}
}
}
protected SessionDataSet executeQueryStatement(String sql, long timeout)
throws StatementExecutionException, IoTDBConnectionException, RedirectException {
TSExecuteStatementReq execReq = new TSExecuteStatementReq(sessionId, sql, statementId);
execReq.setFetchSize(session.fetchSize);
execReq.setTimeout(timeout);
TSExecuteStatementResp execResp;
try {
execReq.setEnableRedirectQuery(enableRedirect);
execResp = client.executeQueryStatement(execReq);
verifySuccessWithRedirectionWrapper(execResp.getStatus());
} catch (TException e) {
if (reconnect()) {
try {
execReq.setSessionId(sessionId);
execReq.setStatementId(statementId);
execResp = client.executeQueryStatement(execReq);
verifySuccessWithRedirectionWrapper(execResp.getStatus());
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
return new SessionDataSet(
sql,
execResp.getColumns(),
execResp.getDataTypeList(),
execResp.columnNameIndexMap,
execResp.getQueryId(),
statementId,
client,
sessionId,
execResp.queryDataSet,
execResp.isIgnoreTimeStamp(),
timeout);
}
protected void executeNonQueryStatement(String sql)
throws IoTDBConnectionException, StatementExecutionException {
TSExecuteStatementReq execReq = new TSExecuteStatementReq(sessionId, sql, statementId);
try {
execReq.setEnableRedirectQuery(enableRedirect);
TSExecuteStatementResp execResp = client.executeUpdateStatement(execReq);
verifySuccessWrapper(execResp.getStatus());
} catch (TException e) {
if (reconnect()) {
try {
execReq.setSessionId(sessionId);
execReq.setStatementId(statementId);
verifySuccessWrapper(client.executeUpdateStatement(execReq).status);
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected SessionDataSet executeRawDataQuery(List paths, long startTime, long endTime)
throws StatementExecutionException, IoTDBConnectionException, RedirectException {
TSRawDataQueryReq execReq =
new TSRawDataQueryReq(sessionId, paths, startTime, endTime, statementId);
execReq.setFetchSize(session.fetchSize);
TSExecuteStatementResp execResp;
try {
execReq.setEnableRedirectQuery(enableRedirect);
execResp = client.executeRawDataQuery(execReq);
verifySuccessWithRedirectionWrapper(execResp.getStatus());
} catch (TException e) {
if (reconnect()) {
try {
execReq.setSessionId(sessionId);
execReq.setStatementId(statementId);
execResp = client.executeRawDataQuery(execReq);
verifySuccessWithRedirectionWrapper(execResp.getStatus());
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
return new SessionDataSet(
"",
execResp.getColumns(),
execResp.getDataTypeList(),
execResp.columnNameIndexMap,
execResp.getQueryId(),
statementId,
client,
sessionId,
execResp.queryDataSet,
execResp.isIgnoreTimeStamp());
}
protected SessionDataSet executeLastDataQuery(List paths, long time)
throws StatementExecutionException, IoTDBConnectionException, RedirectException {
TSLastDataQueryReq tsLastDataQueryReq =
new TSLastDataQueryReq(sessionId, paths, time, statementId);
tsLastDataQueryReq.setFetchSize(session.fetchSize);
tsLastDataQueryReq.setEnableRedirectQuery(enableRedirect);
TSExecuteStatementResp tsExecuteStatementResp;
try {
tsExecuteStatementResp = client.executeLastDataQuery(tsLastDataQueryReq);
verifySuccessWithRedirectionWrapper(tsExecuteStatementResp.getStatus());
} catch (TException e) {
if (reconnect()) {
try {
tsLastDataQueryReq.setSessionId(sessionId);
tsLastDataQueryReq.setStatementId(statementId);
tsExecuteStatementResp = client.executeLastDataQuery(tsLastDataQueryReq);
verifySuccessWithRedirectionWrapper(tsExecuteStatementResp.getStatus());
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
return new SessionDataSet(
"",
tsExecuteStatementResp.getColumns(),
tsExecuteStatementResp.getDataTypeList(),
tsExecuteStatementResp.columnNameIndexMap,
tsExecuteStatementResp.getQueryId(),
statementId,
client,
sessionId,
tsExecuteStatementResp.queryDataSet,
tsExecuteStatementResp.isIgnoreTimeStamp());
}
protected void insertRecord(TSInsertRecordReq request)
throws IoTDBConnectionException, StatementExecutionException, RedirectException {
request.setSessionId(sessionId);
try {
verifySuccessWithRedirectionWrapper(client.insertRecord(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.insertRecord(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
private void verifySuccessWrapper(TSStatus tsStatus)
throws StatementExecutionException, TException {
try {
RpcUtils.verifySuccess(tsStatus);
} catch (SessionTimeoutException e) {
throw new TException(e);
}
}
private void verifySuccessWithRedirectionWrapper(TSStatus tsStatus)
throws StatementExecutionException, RedirectException, TException {
try {
RpcUtils.verifySuccessWithRedirection(tsStatus);
} catch (SessionTimeoutException e) {
throw new TException(e);
}
}
private void verifySuccessWithRedirectionForMultiDevicesWrapper(
TSStatus tsStatus, List prefixPaths)
throws StatementExecutionException, RedirectException, TException {
try {
RpcUtils.verifySuccessWithRedirectionForMultiDevices(tsStatus, prefixPaths);
} catch (SessionTimeoutException e) {
throw new TException(e);
}
}
protected void insertRecord(TSInsertStringRecordReq request)
throws IoTDBConnectionException, StatementExecutionException, RedirectException {
request.setSessionId(sessionId);
try {
verifySuccessWithRedirectionWrapper(client.insertStringRecord(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.insertStringRecord(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void insertRecords(TSInsertRecordsReq request)
throws IoTDBConnectionException, StatementExecutionException, RedirectException {
request.setSessionId(sessionId);
try {
verifySuccessWithRedirectionForMultiDevicesWrapper(
client.insertRecords(request), request.getPrefixPaths());
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.insertRecords(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void insertRecords(TSInsertStringRecordsReq request)
throws IoTDBConnectionException, StatementExecutionException, RedirectException {
request.setSessionId(sessionId);
try {
verifySuccessWithRedirectionForMultiDevicesWrapper(
client.insertStringRecords(request), request.getPrefixPaths());
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.insertStringRecords(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void insertRecordsOfOneDevice(TSInsertRecordsOfOneDeviceReq request)
throws IoTDBConnectionException, StatementExecutionException, RedirectException {
request.setSessionId(sessionId);
try {
verifySuccessWithRedirectionWrapper(client.insertRecordsOfOneDevice(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.insertRecordsOfOneDevice(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void insertStringRecordsOfOneDevice(TSInsertStringRecordsOfOneDeviceReq request)
throws IoTDBConnectionException, StatementExecutionException, RedirectException {
request.setSessionId(sessionId);
try {
verifySuccessWithRedirectionWrapper(client.insertStringRecordsOfOneDevice(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.insertStringRecordsOfOneDevice(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void insertTablet(TSInsertTabletReq request)
throws IoTDBConnectionException, StatementExecutionException, RedirectException {
request.setSessionId(sessionId);
try {
verifySuccessWithRedirectionWrapper(client.insertTablet(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.insertTablet(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void insertTablets(TSInsertTabletsReq request)
throws IoTDBConnectionException, StatementExecutionException, RedirectException {
request.setSessionId(sessionId);
try {
verifySuccessWithRedirectionForMultiDevicesWrapper(
client.insertTablets(request), request.getPrefixPaths());
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.insertTablets(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void deleteTimeseries(List paths)
throws IoTDBConnectionException, StatementExecutionException {
try {
verifySuccessWrapper(client.deleteTimeseries(sessionId, paths));
} catch (TException e) {
if (reconnect()) {
try {
verifySuccessWrapper(client.deleteTimeseries(sessionId, paths));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
public void deleteData(TSDeleteDataReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.deleteData(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.deleteData(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void testInsertRecord(TSInsertStringRecordReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.testInsertStringRecord(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.testInsertStringRecord(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void testInsertRecord(TSInsertRecordReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.testInsertRecord(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.testInsertRecord(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
public void testInsertRecords(TSInsertStringRecordsReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.testInsertStringRecords(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.testInsertStringRecords(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
public void testInsertRecords(TSInsertRecordsReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.testInsertRecords(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.testInsertRecords(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void testInsertTablet(TSInsertTabletReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.testInsertTablet(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.testInsertTablet(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void testInsertTablets(TSInsertTabletsReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.testInsertTablets(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.testInsertTablets(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
private boolean reconnect() {
boolean connectedSuccess = false;
Random random = new Random();
for (int i = 1; i <= Config.RETRY_NUM; i++) {
if (transport != null) {
transport.close();
int currHostIndex = random.nextInt(endPointList.size());
int tryHostNum = 0;
for (int j = currHostIndex; j < endPointList.size(); j++) {
if (tryHostNum == endPointList.size()) {
break;
}
session.defaultEndPoint = endPointList.get(j);
this.endPoint = endPointList.get(j);
if (j == endPointList.size() - 1) {
j = -1;
}
tryHostNum++;
try {
init(endPoint);
connectedSuccess = true;
} catch (IoTDBConnectionException e) {
logger.error("The current node may have been down {},try next node", endPoint);
continue;
}
break;
}
}
if (connectedSuccess) {
break;
}
}
return connectedSuccess;
}
protected void createSchemaTemplate(TSCreateSchemaTemplateReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.createSchemaTemplate(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.createSchemaTemplate(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void appendSchemaTemplate(TSAppendSchemaTemplateReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.appendSchemaTemplate(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.appendSchemaTemplate(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void pruneSchemaTemplate(TSPruneSchemaTemplateReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.pruneSchemaTemplate(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.pruneSchemaTemplate(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected TSQueryTemplateResp querySchemaTemplate(TSQueryTemplateReq req)
throws StatementExecutionException, IoTDBConnectionException {
TSQueryTemplateResp execResp;
try {
execResp = client.querySchemaTemplate(req);
verifySuccessWrapper(execResp.getStatus());
} catch (TException e) {
if (reconnect()) {
try {
execResp = client.querySchemaTemplate(req);
verifySuccessWrapper(execResp.getStatus());
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
return execResp;
}
protected void setSchemaTemplate(TSSetSchemaTemplateReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.setSchemaTemplate(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.setSchemaTemplate(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void unsetSchemaTemplate(TSUnsetSchemaTemplateReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.unsetSchemaTemplate(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.unsetSchemaTemplate(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void setUsingTemplate(TSSetUsingTemplateReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.setUsingTemplate(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.setUsingTemplate(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(MSG_RECONNECTION_FAIL);
}
}
}
protected void deactivateTemplate(String tName, String pPath)
throws IoTDBConnectionException, StatementExecutionException {
try {
verifySuccessWrapper(client.unsetUsingTemplate(sessionId, tName, pPath));
} catch (TException e) {
if (reconnect()) {
try {
verifySuccessWrapper(client.unsetUsingTemplate(sessionId, tName, pPath));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(MSG_RECONNECTION_FAIL);
}
}
}
protected void dropSchemaTemplate(TSDropSchemaTemplateReq request)
throws IoTDBConnectionException, StatementExecutionException {
request.setSessionId(sessionId);
try {
verifySuccessWrapper(client.dropSchemaTemplate(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.dropSchemaTemplate(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
protected void executeOperationSync(TSOperationSyncWriteReq request)
throws IoTDBConnectionException, StatementExecutionException, RedirectException {
request.setSessionId(sessionId);
try {
verifySuccessWithRedirectionWrapper(client.executeOperationSync(request));
} catch (TException e) {
if (reconnect()) {
try {
request.setSessionId(sessionId);
verifySuccessWrapper(client.executeOperationSync(request));
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(MSG_RECONNECTION_FAIL);
}
}
}
protected TSBackupConfigurationResp getBackupConfiguration()
throws StatementExecutionException, IoTDBConnectionException {
TSBackupConfigurationResp execResp;
try {
execResp = client.getBackupConfiguration();
verifySuccessWrapper(execResp.getStatus());
} catch (TException e) {
if (reconnect()) {
try {
execResp = client.getBackupConfiguration();
verifySuccessWrapper(execResp.getStatus());
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
return execResp;
}
public boolean isEnableRedirect() {
return enableRedirect;
}
public void setEnableRedirect(boolean enableRedirect) {
this.enableRedirect = enableRedirect;
}
public EndPoint getEndPoint() {
return endPoint;
}
public void setEndPoint(EndPoint endPoint) {
this.endPoint = endPoint;
}
// error log for connection failure
private String logForReconnectionFailure() {
if (endPointList == null) {
return MSG_RECONNECTION_FAIL;
}
StringJoiner urls = new StringJoiner(",");
for (EndPoint endPoint : endPointList) {
StringJoiner url = new StringJoiner(":");
url.add(endPoint.getIp());
url.add(String.valueOf(endPoint.getPort()));
urls.add(url.toString());
}
return MSG_RECONNECTION_FAIL.concat(urls.toString());
}
public TSConnectionInfoResp fetchAllConnections() throws IoTDBConnectionException {
try {
return client.fetchAllConnectionsInfo();
} catch (TException e) {
if (reconnect()) {
try {
return client.fetchAllConnectionsInfo();
} catch (TException tException) {
throw new IoTDBConnectionException(tException);
}
} else {
throw new IoTDBConnectionException(logForReconnectionFailure());
}
}
}
@Override
public String toString() {
return "SessionConnection{" + " endPoint=" + endPoint + "}";
}
}
