/
DataLoaderService.java
1202 lines (1083 loc) · 59.4 KB
/
DataLoaderService.java
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/**
* Licensed to JumpMind Inc under one or more contributor
* license agreements. See the NOTICE file distributed
* with this work for additional information regarding
* copyright ownership. JumpMind Inc licenses this file
* to you under the GNU General Public License, version 3.0 (GPLv3)
* (the "License"); you may not use this file except in compliance
* with the License.
*
* You should have received a copy of the GNU General Public License,
* version 3.0 (GPLv3) along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*
* 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.jumpmind.symmetric.service.impl;
import static org.jumpmind.symmetric.model.ProcessType.MANUAL_LOAD;
import static org.jumpmind.symmetric.model.ProcessType.OFFLINE_PULL;
import static org.jumpmind.symmetric.model.ProcessType.PULL_CONFIG_JOB;
import static org.jumpmind.symmetric.model.ProcessType.PULL_JOB_LOAD;
import static org.jumpmind.symmetric.model.ProcessType.PULL_JOB_TRANSFER;
import static org.jumpmind.symmetric.model.ProcessType.PUSH_HANDLER_LOAD;
import static org.jumpmind.symmetric.model.ProcessType.PUSH_HANDLER_TRANSFER;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.StringReader;
import java.net.ConnectException;
import java.net.MalformedURLException;
import java.net.UnknownHostException;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.zip.ZipException;
import org.apache.commons.lang.StringUtils;
import org.jumpmind.db.model.Table;
import org.jumpmind.db.sql.ISqlRowMapper;
import org.jumpmind.db.sql.ISqlTransaction;
import org.jumpmind.db.sql.Row;
import org.jumpmind.db.sql.SqlException;
import org.jumpmind.db.util.BinaryEncoding;
import org.jumpmind.exception.HttpException;
import org.jumpmind.exception.InvalidRetryException;
import org.jumpmind.exception.IoException;
import org.jumpmind.exception.ParseException;
import org.jumpmind.symmetric.ISymmetricEngine;
import org.jumpmind.symmetric.SymmetricException;
import org.jumpmind.symmetric.Version;
import org.jumpmind.symmetric.common.Constants;
import org.jumpmind.symmetric.common.ContextConstants;
import org.jumpmind.symmetric.common.ErrorConstants;
import org.jumpmind.symmetric.common.ParameterConstants;
import org.jumpmind.symmetric.ext.INodeRegistrationListener;
import org.jumpmind.symmetric.io.IoConstants;
import org.jumpmind.symmetric.io.data.Batch;
import org.jumpmind.symmetric.io.data.Batch.BatchType;
import org.jumpmind.symmetric.io.data.DataContext;
import org.jumpmind.symmetric.io.data.DataEventType;
import org.jumpmind.symmetric.io.data.DataProcessor;
import org.jumpmind.symmetric.io.data.IDataWriter;
import org.jumpmind.symmetric.io.data.ProtocolException;
import org.jumpmind.symmetric.io.data.reader.DataReaderStatistics;
import org.jumpmind.symmetric.io.data.reader.ProtocolDataReader;
import org.jumpmind.symmetric.io.data.transform.TransformPoint;
import org.jumpmind.symmetric.io.data.transform.TransformTable;
import org.jumpmind.symmetric.io.data.writer.Conflict;
import org.jumpmind.symmetric.io.data.writer.Conflict.DetectConflict;
import org.jumpmind.symmetric.io.data.writer.Conflict.PingBack;
import org.jumpmind.symmetric.io.data.writer.Conflict.ResolveConflict;
import org.jumpmind.symmetric.io.data.writer.ConflictException;
import org.jumpmind.symmetric.io.data.writer.IDatabaseWriterErrorHandler;
import org.jumpmind.symmetric.io.data.writer.IDatabaseWriterFilter;
import org.jumpmind.symmetric.io.data.writer.IProtocolDataWriterListener;
import org.jumpmind.symmetric.io.data.writer.ResolvedData;
import org.jumpmind.symmetric.io.data.writer.TransformWriter;
import org.jumpmind.symmetric.io.stage.IStagedResource;
import org.jumpmind.symmetric.io.stage.IStagedResource.State;
import org.jumpmind.symmetric.io.stage.IStagingManager;
import org.jumpmind.symmetric.io.stage.SimpleStagingDataWriter;
import org.jumpmind.symmetric.io.stage.StagingLowFreeSpace;
import org.jumpmind.symmetric.load.ConfigurationChangedDatabaseWriterFilter;
import org.jumpmind.symmetric.load.DefaultDataLoaderFactory;
import org.jumpmind.symmetric.load.DynamicDatabaseWriterFilter;
import org.jumpmind.symmetric.load.IDataLoaderFactory;
import org.jumpmind.symmetric.load.ILoadSyncLifecycleListener;
import org.jumpmind.symmetric.model.AbstractBatch.Status;
import org.jumpmind.symmetric.model.Channel;
import org.jumpmind.symmetric.model.ChannelMap;
import org.jumpmind.symmetric.model.IncomingBatch;
import org.jumpmind.symmetric.model.IncomingError;
import org.jumpmind.symmetric.model.LoadFilter;
import org.jumpmind.symmetric.model.LoadFilter.LoadFilterType;
import org.jumpmind.symmetric.model.Node;
import org.jumpmind.symmetric.model.NodeGroupLink;
import org.jumpmind.symmetric.model.NodeSecurity;
import org.jumpmind.symmetric.model.ProcessInfo;
import org.jumpmind.symmetric.model.ProcessInfo.ProcessStatus;
import org.jumpmind.symmetric.model.ProcessInfoDataWriter;
import org.jumpmind.symmetric.model.ProcessInfoKey;
import org.jumpmind.symmetric.model.RemoteNodeStatus;
import org.jumpmind.symmetric.service.IConfigurationService;
import org.jumpmind.symmetric.service.IDataLoaderService;
import org.jumpmind.symmetric.service.IExtensionService;
import org.jumpmind.symmetric.service.IIncomingBatchService;
import org.jumpmind.symmetric.service.ILoadFilterService;
import org.jumpmind.symmetric.service.INodeCommunicationService;
import org.jumpmind.symmetric.service.INodeService;
import org.jumpmind.symmetric.service.ITransformService;
import org.jumpmind.symmetric.service.RegistrationNotOpenException;
import org.jumpmind.symmetric.service.RegistrationRequiredException;
import org.jumpmind.symmetric.service.impl.TransformService.TransformTableNodeGroupLink;
import org.jumpmind.symmetric.statistic.IStatisticManager;
import org.jumpmind.symmetric.transport.AuthenticationException;
import org.jumpmind.symmetric.transport.ConnectionRejectedException;
import org.jumpmind.symmetric.transport.IIncomingTransport;
import org.jumpmind.symmetric.transport.ITransportManager;
import org.jumpmind.symmetric.transport.ServiceUnavailableException;
import org.jumpmind.symmetric.transport.SyncDisabledException;
import org.jumpmind.symmetric.transport.internal.InternalIncomingTransport;
import org.jumpmind.symmetric.web.WebConstants;
import org.jumpmind.util.CustomizableThreadFactory;
/**
* Responsible for writing batch data to the database
*
* @see IDataLoaderService
*/
public class DataLoaderService extends AbstractService implements IDataLoaderService {
private IIncomingBatchService incomingBatchService;
private IConfigurationService configurationService;
private ITransportManager transportManager;
private IStatisticManager statisticManager;
private INodeService nodeService;
private ITransformService transformService;
private ILoadFilterService loadFilterService;
private IStagingManager stagingManager;
private IExtensionService extensionService;
private INodeCommunicationService nodeCommunicationService;
private Map<NodeGroupLink, List<ConflictNodeGroupLink>> conflictSettingsCache = new HashMap<NodeGroupLink, List<ConflictNodeGroupLink>>();
private long lastConflictCacheResetTimeInMs = 0;
private ISymmetricEngine engine = null;
private Date lastUpdateTime;
private CustomizableThreadFactory threadFactory;
public DataLoaderService(ISymmetricEngine engine) {
super(engine.getParameterService(), engine.getSymmetricDialect());
this.incomingBatchService = engine.getIncomingBatchService();
this.configurationService = engine.getConfigurationService();
this.transportManager = engine.getTransportManager();
this.statisticManager = engine.getStatisticManager();
this.nodeService = engine.getNodeService();
this.transformService = engine.getTransformService();
this.loadFilterService = engine.getLoadFilterService();
this.stagingManager = engine.getStagingManager();
this.setSqlMap(new DataLoaderServiceSqlMap(platform, createSqlReplacementTokens()));
extensionService = engine.getExtensionService();
extensionService.addExtensionPoint(new DefaultDataLoaderFactory(parameterService));
extensionService.addExtensionPoint(new ConfigurationChangedDatabaseWriterFilter(engine));
this.nodeCommunicationService = engine.getNodeCommunicationService();
this.engine = engine;
}
public boolean refreshFromDatabase() {
Date date = sqlTemplate.queryForObject(getSql("selectMaxLastUpdateTime"), Date.class);
if (date != null) {
if (lastUpdateTime == null || lastUpdateTime.before(date)) {
if (lastUpdateTime != null) {
log.info("Newer conflict settings were detected");
}
lastUpdateTime = date;
clearCache();
return true;
}
}
return false;
}
public List<String> getAvailableDataLoaderFactories() {
return new ArrayList<String>(getDataLoaderFactories().keySet());
}
protected Map<String, IDataLoaderFactory> getDataLoaderFactories() {
Map<String, IDataLoaderFactory> dataLoaderFactories = new HashMap<String, IDataLoaderFactory>();
for (IDataLoaderFactory factory : engine.getExtensionService().getExtensionPointList(
IDataLoaderFactory.class)) {
dataLoaderFactories.put(factory.getTypeName(), factory);
}
return dataLoaderFactories;
}
public List<IncomingBatch> loadDataBatch(String batchData) {
String nodeId = nodeService.findIdentityNodeId();
if (StringUtils.isNotBlank(nodeId)) {
ProcessInfo processInfo = statisticManager.newProcessInfo(new ProcessInfoKey(nodeId,
nodeId, MANUAL_LOAD));
try {
InternalIncomingTransport transport = new InternalIncomingTransport(
new BufferedReader(new StringReader(batchData)));
List<IncomingBatch> list = loadDataFromTransport(processInfo,
nodeService.findIdentity(), transport, null);
processInfo.setStatus(ProcessInfo.ProcessStatus.OK);
return list;
} catch (IOException ex) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
throw new IoException();
} catch (RuntimeException ex) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
throw ex;
}
} else {
return new ArrayList<IncomingBatch>(0);
}
}
/**
* Connect to the remote node and pull data. The acknowledgment of
* commit/error status is sent separately after the data is processed.
*/
public RemoteNodeStatus loadDataFromPull(Node remote, String queue) throws IOException {
RemoteNodeStatus status = new RemoteNodeStatus(remote != null ? remote.getNodeId() : null,
queue,
configurationService.getChannels(false));
loadDataFromPull(remote, status);
return status;
}
public void loadDataFromPull(Node remote, RemoteNodeStatus status) throws IOException {
Node local = nodeService.findIdentity();
if (local == null) {
local = new Node(this.parameterService, symmetricDialect);
local.setDeploymentType(engine.getDeploymentType());
}
try {
NodeSecurity localSecurity = nodeService.findNodeSecurity(local.getNodeId(), true);
IIncomingTransport transport = null;
boolean isRegisterTransport = false;
if (remote != null && localSecurity != null) {
Map<String, String> requestProperties = new HashMap<String, String>();
ChannelMap suspendIgnoreChannels = configurationService
.getSuspendIgnoreChannelLists();
requestProperties.put(WebConstants.SUSPENDED_CHANNELS,
suspendIgnoreChannels.getSuspendChannelsAsString());
requestProperties.put(WebConstants.IGNORED_CHANNELS,
suspendIgnoreChannels.getIgnoreChannelsAsString());
requestProperties.put(WebConstants.CHANNEL_QUEUE, status.getQueue());
transport = transportManager.getPullTransport(remote, local,
localSecurity.getNodePassword(), requestProperties,
parameterService.getRegistrationUrl());
} else {
transport = transportManager.getRegisterTransport(local,
parameterService.getRegistrationUrl());
log.info("Using registration URL of {}", transport.getUrl());
List<INodeRegistrationListener> registrationListeners = extensionService.getExtensionPointList(INodeRegistrationListener.class);
for (INodeRegistrationListener l : registrationListeners) {
l.registrationUrlUpdated(transport.getUrl());
}
remote = new Node();
remote.setSyncUrl(parameterService.getRegistrationUrl());
isRegisterTransport = true;
}
ProcessInfo transferInfo = statisticManager.newProcessInfo(new ProcessInfoKey(remote
.getNodeId(), status.getQueue(), local.getNodeId(), PULL_JOB_TRANSFER));
try {
List<IncomingBatch> list = loadDataFromTransport(transferInfo, remote, transport, null);
if (list.size() > 0) {
transferInfo.setStatus(ProcessInfo.ProcessStatus.ACKING);
status.updateIncomingStatus(list);
local = nodeService.findIdentity();
if (local != null) {
localSecurity = nodeService.findNodeSecurity(local.getNodeId(), !isRegisterTransport);
if (StringUtils.isNotBlank(transport.getRedirectionUrl())) {
/*
* We were redirected for the pull, we need to
* redirect for the ack
*/
String url = transport.getRedirectionUrl();
int index = url.indexOf("/registration?");
if (index >= 0) {
url = url.substring(0, index);
}
log.info("Setting the sync url for ack to: {}", url);
remote.setSyncUrl(url);
}
sendAck(remote, local, localSecurity, list, transportManager);
}
}
if (containsError(list)) {
transferInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
} else {
transferInfo.setStatus(ProcessInfo.ProcessStatus.OK);
}
updateBatchToSendCount(remote, transport);
purgeLoadBatchesFromStaging(list);
} catch (RuntimeException e) {
transferInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
throw e;
} catch (IOException e) {
transferInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
throw e;
}
} catch (RegistrationRequiredException e) {
if (StringUtils.isBlank(remote.getSyncUrl())
|| remote.getSyncUrl().equalsIgnoreCase(parameterService.getRegistrationUrl())) {
log.warn("Node information missing on the server. Attempting to re-register remote.getSyncUrl()={}", remote.getSyncUrl());
loadDataFromPull(null, status);
nodeService.findIdentity(false);
} else {
log.warn(
"Failed to pull data from node '{}'. It probably is missing a node security record for '{}'.",
remote.getNodeId(), local.getNodeId());
}
} catch (MalformedURLException e) {
if (remote != null) {
log.error("Could not connect to the {} node's transport because of a bad URL: '{}' {}",
remote.getNodeId(), remote.getSyncUrl(), e);
} else {
log.error("", e);
}
throw e;
}
}
protected void updateBatchToSendCount(Node remote, IIncomingTransport transport) {
Map<String, String> headers = transport.getHeaders();
if (headers != null && headers.containsKey(WebConstants.BATCH_TO_SEND_COUNT)) {
Map<String, Integer> queuesToBatchCounts =
nodeCommunicationService.parseQueueToBatchCounts(headers.get(WebConstants.BATCH_TO_SEND_COUNT));
nodeCommunicationService.updateBatchToSendCounts(remote.getNodeId(), queuesToBatchCounts);
}
}
private boolean containsError(List<IncomingBatch> list) {
for (IncomingBatch incomingBatch : list) {
if (incomingBatch.getStatus() == Status.ER) {
return true;
}
}
return false;
}
/**
* Load database from input stream and write acknowledgment to output
* stream. This is used for a "push" request with a response of an
* acknowledgment.
*/
public void loadDataFromPush(Node sourceNode, InputStream in, OutputStream out)
throws IOException {
loadDataFromPush(sourceNode, null, in, out);
}
/**
* Load database from input stream and write acknowledgment to output
* stream. This is used for a "push" request with a response of an
* acknowledgment.
*/
public void loadDataFromPush(Node sourceNode, String queue, InputStream in, OutputStream out)
throws IOException {
Node local = nodeService.findIdentity();
if (local != null) {
ProcessInfo transferInfo = statisticManager.newProcessInfo(new ProcessInfoKey(sourceNode
.getNodeId(), queue, local.getNodeId(), PUSH_HANDLER_TRANSFER));
try {
List<IncomingBatch> batchList = loadDataFromTransport(transferInfo, sourceNode,
new InternalIncomingTransport(in), out);
logDataReceivedFromPush(sourceNode, batchList, transferInfo);
NodeSecurity security = nodeService.findNodeSecurity(local.getNodeId());
transferInfo.setStatus(ProcessInfo.ProcessStatus.ACKING);
transportManager.writeAcknowledgement(out, sourceNode, batchList, local,
security != null ? security.getNodePassword() : null);
transferInfo.setStatus(ProcessInfo.ProcessStatus.OK);
purgeLoadBatchesFromStaging(batchList);
} catch (Exception e) {
transferInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
if (e instanceof RuntimeException) {
throw (RuntimeException) e;
} else if (e instanceof IOException) {
throw (IOException) e;
}
throw new RuntimeException(e);
}
} else {
throw new SymmetricException("Could not load data because the node is not registered");
}
}
private void logDataReceivedFromPush(Node sourceNode, List<IncomingBatch> batchList, ProcessInfo processInfo) {
int okBatchesCount = 0;
int errorBatchesCount = 0;
int okDataCount = 0;
for (IncomingBatch incomingBatch : batchList) {
if (incomingBatch.getStatus() == Status.OK) {
okBatchesCount++;
okDataCount += incomingBatch.getLoadRowCount();
} else if (incomingBatch.getStatus() == Status.ER) {
errorBatchesCount++;
}
}
if (okBatchesCount > 0) {
if (errorBatchesCount > 0) {
log.info("{} data and {} batches loaded during push request from {}. There were {} batches in error",
new Object[] { okDataCount, okBatchesCount, sourceNode.toString(), errorBatchesCount });
} else {
log.info("{} data and {} batches loaded during push request from {}",
new Object[] { okDataCount, okBatchesCount, sourceNode.toString() });
}
statisticManager.addJobStats(sourceNode.getNodeId(), 1, "Push Handler",
processInfo.getStartTime().getTime(),
processInfo.getLastStatusChangeTime().getTime(),
okDataCount);
}
}
protected void purgeLoadBatchesFromStaging(List<IncomingBatch> batchList) {
long threshold = parameterService.getLong(ParameterConstants.INITIAL_LOAD_PURGE_STAGE_IMMEDIATE_THRESHOLD_ROWS);
if (threshold >= 0 && batchList != null) {
for (IncomingBatch batch : batchList) {
if (batch.isLoadFlag() && !batch.isCommonFlag() && batch.getDataRowCount() >= threshold) {
IStagedResource resource = engine.getStagingManager().find(Constants.STAGING_CATEGORY_INCOMING,
batch.getStagedLocation(), batch.getBatchId());
if (resource != null) {
resource.delete();
}
}
}
}
}
public List<IncomingBatch> loadDataFromOfflineTransport(Node remote, RemoteNodeStatus status, IIncomingTransport transport) throws IOException {
Node local = nodeService.findIdentity();
ProcessInfo processInfo = statisticManager.newProcessInfo(new ProcessInfoKey(remote
.getNodeId(), local.getNodeId(), OFFLINE_PULL));
List<IncomingBatch> list = null;
try {
list = loadDataFromTransport(processInfo, remote, transport, null);
if (list.size() > 0) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ACKING);
status.updateIncomingStatus(list);
}
if (containsError(list)) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
} else {
processInfo.setStatus(ProcessInfo.ProcessStatus.OK);
}
} catch (RuntimeException e) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
throw e;
} catch (IOException e) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
throw e;
}
return list;
}
public void loadDataFromConfig(Node remote, RemoteNodeStatus status, boolean force) throws IOException {
if (engine.getParameterService().isRegistrationServer()) {
return;
}
Node local = nodeService.findIdentity();
try {
NodeSecurity localSecurity = nodeService.findNodeSecurity(local.getNodeId(), true);
String configVersion = force ? "" : local.getConfigVersion();
IIncomingTransport transport = engine.getTransportManager().getConfigTransport(remote, local,
localSecurity.getNodePassword(), Version.version(), configVersion, remote.getSyncUrl());
ProcessInfo processInfo = statisticManager.newProcessInfo(new ProcessInfoKey(remote
.getNodeId(), Constants.CHANNEL_CONFIG, local.getNodeId(), PULL_CONFIG_JOB));
try {
log.info("Requesting current configuration {symmetricVersion={}, configVersion={}}",
Version.version(), local.getConfigVersion());
List<IncomingBatch> list = loadDataFromTransport(processInfo, remote, transport, null);
if (containsError(list)) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
} else {
if (list.size() > 0) {
status.updateIncomingStatus(list);
local.setConfigVersion(Version.version());
nodeService.save(local);
}
processInfo.setStatus(ProcessInfo.ProcessStatus.OK);
}
} catch (RuntimeException e) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
throw e;
} catch (IOException e) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
throw e;
}
} catch (RegistrationRequiredException e) {
log.warn("Failed to pull configuration from node '{}'. It probably is missing a node security record for '{}'.",
remote.getNodeId(), local.getNodeId());
} catch (MalformedURLException e) {
log.error("Could not connect to the {} node's transport because of a bad URL: '{}' {}",
remote.getNodeId(), remote.getSyncUrl(), e);
throw e;
}
}
/**
* Load database from input stream and return a list of batch statuses. This
* is used for a pull request that responds with data, and the
* acknowledgment is sent later.
*/
protected List<IncomingBatch> loadDataFromTransport(final ProcessInfo transferInfo,
final Node sourceNode, IIncomingTransport transport, OutputStream out) throws IOException {
final ManageIncomingBatchListener listener = new ManageIncomingBatchListener(transferInfo, engine);
final DataContext ctx = new DataContext();
Throwable error = null;
try {
Node targetNode = nodeService.findIdentity();
ctx.put(Constants.DATA_CONTEXT_ENGINE, engine);
if (targetNode != null) {
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE, targetNode);
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE_ID, targetNode.getNodeId());
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE_GROUP_ID, targetNode.getNodeGroupId());
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE_EXTERNAL_ID, targetNode.getExternalId());
}
if (sourceNode != null) {
ctx.put(Constants.DATA_CONTEXT_SOURCE_NODE, sourceNode);
ctx.put(Constants.DATA_CONTEXT_SOURCE_NODE_ID, sourceNode.getNodeId());
ctx.put(Constants.DATA_CONTEXT_SOURCE_NODE_GROUP_ID, sourceNode.getNodeGroupId());
ctx.put(Constants.DATA_CONTEXT_SOURCE_NODE_EXTERNAL_ID, sourceNode.getExternalId());
}
for (ILoadSyncLifecycleListener l : extensionService
.getExtensionPointList(ILoadSyncLifecycleListener.class)) {
l.syncStarted(ctx);
}
long memoryThresholdInBytes = parameterService.getLong(ParameterConstants.STREAM_TO_FILE_THRESHOLD);
String targetNodeId = nodeService.findIdentityNodeId();
boolean streamToFile = parameterService.is(ParameterConstants.STREAM_TO_FILE_ENABLED);
if (streamToFile) {
transferInfo.setStatus(ProcessStatus.TRANSFERRING);
if (threadFactory == null) {
threadFactory = new CustomizableThreadFactory(parameterService.getEngineName().toLowerCase() + "-dataloader");
}
ExecutorService executor = Executors.newFixedThreadPool(1, threadFactory);
LoadIntoDatabaseOnArrivalListener loadListener = new LoadIntoDatabaseOnArrivalListener(transferInfo,
sourceNode.getNodeId(), listener, executor);
try {
new SimpleStagingDataWriter(transferInfo, transport.openReader(), stagingManager, Constants.STAGING_CATEGORY_INCOMING,
memoryThresholdInBytes, BatchType.LOAD, targetNodeId, ctx, loadListener).process();
} finally {
/* Previously submitted tasks will still be executed */
executor.shutdown();
}
OutputStreamWriter outWriter = null;
if (out != null) {
try {
outWriter = new OutputStreamWriter(out, IoConstants.ENCODING);
long keepAliveMillis = parameterService.getLong(ParameterConstants.DATA_LOADER_SEND_ACK_KEEPALIVE);
while (!executor.awaitTermination(keepAliveMillis, TimeUnit.MILLISECONDS)) {
outWriter.write("1=1&");
outWriter.flush();
}
} catch (Exception ex) {
log.warn("Failed to send keep alives to " + sourceNode + " " + ex.toString());
awaitTermination(executor);
}
} else {
awaitTermination(executor);
}
loadListener.isDone();
} else {
transferInfo.setStatus(ProcessStatus.OK);
ProcessInfo loadInfo = statisticManager.newProcessInfo(new ProcessInfoKey(sourceNode.getNodeId()
, transferInfo.getQueue(), nodeService.findIdentityNodeId(), PULL_JOB_LOAD));
try {
DataProcessor processor = new DataProcessor(new ProtocolDataReader(BatchType.LOAD,
targetNodeId, transport.openReader(), streamToFile), null, listener, "data load") {
@Override
protected IDataWriter chooseDataWriter(Batch batch) {
return buildDataWriter(loadInfo, sourceNode.getNodeId(),
batch.getChannelId(), batch.getBatchId(),
((ManageIncomingBatchListener) listener).getCurrentBatch().isRetry());
}
};
processor.process(ctx);
loadInfo.setStatus(ProcessStatus.OK);
} catch (Throwable e) {
loadInfo.setStatus(ProcessStatus.ERROR);
throw e;
}
}
} catch (Throwable ex) {
error = ex;
if (parameterService.is(ParameterConstants.AUTO_RESOLVE_FOREIGN_KEY_VIOLATION_REVERSE_RELOAD)
&& listener.getCurrentBatch() != null && listener.isNewErrorForCurrentBatch()
&& listener.getCurrentBatch().isLoadFlag()
&& listener.getCurrentBatch().getSqlCode() == ErrorConstants.FK_VIOLATION_CODE) {
engine.getDataService().reloadMissingForeignKeyRowsReverse(sourceNode.getNodeId(), ctx.getTable(),
ctx.getData(), Constants.CHANNEL_CONFIG, false);
}
if (parameterService.is(ParameterConstants.AUTO_RESOLVE_FOREIGN_KEY_VIOLATION_REVERSE)
&& listener.getCurrentBatch() != null && listener.isNewErrorForCurrentBatch()
&& !listener.getCurrentBatch().isLoadFlag()
&& listener.getCurrentBatch().getSqlCode() == ErrorConstants.FK_VIOLATION_CODE) {
engine.getDataService().reloadMissingForeignKeyRowsReverse(sourceNode.getNodeId(), ctx.getTable(),
ctx.getData(), null, parameterService.is(ParameterConstants.AUTO_RESOLVE_FOREIGN_KEY_VIOLATION_REVERSE_PEERS));
}
logOrRethrow(ex);
} finally {
transport.close();
for (ILoadSyncLifecycleListener l : extensionService
.getExtensionPointList(ILoadSyncLifecycleListener.class)) {
l.syncEnded(ctx, listener.getBatchesProcessed(), error);
}
}
return listener.getBatchesProcessed();
}
private void awaitTermination(ExecutorService executor) throws InterruptedException {
long hours = 1;
while (!executor.awaitTermination(1, TimeUnit.HOURS)) {
log.info(String.format("Executor has been awaiting loader termination for %d hour(s).", hours));
hours++;
}
}
protected void logOrRethrow(Throwable ex) throws IOException {
// Throwing exception will mean acks are not sent, so only certain exceptions should be thrown
if (ex instanceof RegistrationRequiredException) {
throw (RegistrationRequiredException) ex;
} else if (ex instanceof ConnectException) {
throw (ConnectException) ex;
} else if (ex instanceof UnknownHostException) {
throw (UnknownHostException) ex;
} else if (ex instanceof RegistrationNotOpenException) {
throw (RegistrationNotOpenException) ex;
} else if (ex instanceof ConnectionRejectedException) {
throw (ConnectionRejectedException) ex;
} else if (ex instanceof ServiceUnavailableException) {
throw (ServiceUnavailableException) ex;
} else if (ex instanceof AuthenticationException) {
throw (AuthenticationException) ex;
} else if (ex instanceof SyncDisabledException) {
throw (SyncDisabledException) ex;
} else if (ex instanceof HttpException) {
throw (HttpException) ex;
} else if (ex instanceof InvalidRetryException) {
throw (InvalidRetryException) ex;
} else if (ex instanceof StagingLowFreeSpace) {
log.error("Loading is disabled because disk is almost full: {}", ex.getMessage());
} else if (!(ex instanceof ConflictException) && !(ex instanceof SqlException) && !(ex instanceof CancellationException)) {
log.error("Failed to process batch", ex);
} else {
log.debug("Failed to process batch", ex);
}
}
protected IDataWriter buildDataWriter(ProcessInfo processInfo, String sourceNodeId,
String channelId, long batchId, boolean isRetry) {
TransformTable[] transforms = null;
NodeGroupLink link = null;
List<ResolvedData> resolvedDatas = new ArrayList<ResolvedData>();
List<IDatabaseWriterFilter> filters = extensionService
.getExtensionPointList(IDatabaseWriterFilter.class);
List<IDatabaseWriterFilter> dynamicFilters = filters;
List<IDatabaseWriterErrorHandler> errorHandlers = extensionService
.getExtensionPointList(IDatabaseWriterErrorHandler.class);
List<IDatabaseWriterErrorHandler> dynamicErrorHandlers = errorHandlers;
if (sourceNodeId != null) {
Node sourceNode = nodeService.findNode(sourceNodeId, true);
if (sourceNode != null) {
link = new NodeGroupLink(sourceNode.getNodeGroupId(),
parameterService.getNodeGroupId());
}
Map<LoadFilterType, Map<String, List<LoadFilter>>> loadFilters = loadFilterService
.findLoadFiltersFor(link, true);
List<DynamicDatabaseWriterFilter> databaseWriterFilters = DynamicDatabaseWriterFilter
.getDatabaseWriterFilters(engine, loadFilters);
if (loadFilters != null && loadFilters.size() > 0) {
dynamicFilters = new ArrayList<IDatabaseWriterFilter>(filters.size() + 1);
dynamicFilters.addAll(filters);
dynamicFilters.addAll(databaseWriterFilters);
dynamicErrorHandlers = new ArrayList<IDatabaseWriterErrorHandler>(
errorHandlers.size() + 1);
dynamicErrorHandlers.addAll(errorHandlers);
dynamicErrorHandlers.addAll(databaseWriterFilters);
}
List<TransformTableNodeGroupLink> transformsList = transformService.findTransformsFor(
link, TransformPoint.LOAD);
transforms = transformsList != null ? transformsList
.toArray(new TransformTable[transformsList.size()]) : null;
if (isRetry) {
List<IncomingError> incomingErrors = getIncomingErrors(batchId, sourceNodeId);
for (IncomingError incomingError : incomingErrors) {
if (incomingError.isResolveIgnore()
|| StringUtils.isNotBlank(incomingError.getResolveData())) {
resolvedDatas.add(new ResolvedData(incomingError.getFailedRowNumber(),
incomingError.getResolveData(), incomingError.isResolveIgnore()));
}
}
}
}
TransformWriter transformWriter = new TransformWriter(this.engine.getSymmetricDialect().getTargetPlatform(), TransformPoint.LOAD, null,
transformService.getColumnTransforms(), transforms);
IDataWriter targetWriter = getFactory(channelId).getDataWriter(sourceNodeId,
this.engine.getSymmetricDialect(), transformWriter, dynamicFilters, dynamicErrorHandlers,
getConflictSettingsNodeGroupLinks(link, false), resolvedDatas);
transformWriter.setNestedWriter(new ProcessInfoDataWriter(targetWriter, processInfo));
return transformWriter;
}
protected IDataLoaderFactory getFactory(String channelId) {
Channel channel = configurationService.getChannel(channelId);
String dataLoaderType = "default";
IDataLoaderFactory factory = null;
if (channel != null) {
dataLoaderType = filterDataLoaderType(channel.getDataLoaderType());
}
Map<String, IDataLoaderFactory> dataLoaderFactories = getDataLoaderFactories();
factory = dataLoaderFactories.get(dataLoaderType);
if (factory == null) {
log.warn(
"Could not find a data loader factory of type '{}'. Using the 'default' data loader.",
dataLoaderType);
factory = dataLoaderFactories.get("default");
}
if (!factory.isPlatformSupported(symmetricDialect.getTargetPlatform())) {
log.warn(
"The current platform does not support a data loader type of '{}'. Using the 'default' data loader.",
dataLoaderType);
factory = dataLoaderFactories.get("default");
}
return factory;
}
public List<ConflictNodeGroupLink> getConflictSettingsNodeGroupLinks() {
List<ConflictNodeGroupLink> list = new ArrayList<DataLoaderService.ConflictNodeGroupLink>();
list = sqlTemplate.query(getSql("selectConflictSettingsSql"),
new ConflictSettingsNodeGroupLinkMapper());
return list;
}
public void clearCache() {
synchronized (this) {
conflictSettingsCache.clear();
lastConflictCacheResetTimeInMs = System.currentTimeMillis();
}
}
public List<ConflictNodeGroupLink> getConflictSettingsNodeGroupLinks(NodeGroupLink link,
boolean refreshCache) {
if (link != null) {
long cacheTime = parameterService
.getLong(ParameterConstants.CACHE_TIMEOUT_CONFLICT_IN_MS);
if (System.currentTimeMillis() - lastConflictCacheResetTimeInMs > cacheTime
|| refreshCache) {
clearCache();
}
List<ConflictNodeGroupLink> list = conflictSettingsCache.get(link);
if (list == null) {
list = sqlTemplate.query(
getSql("selectConflictSettingsSql",
" where source_node_group_id=? and target_node_group_id=?"),
new ConflictSettingsNodeGroupLinkMapper(), link.getSourceNodeGroupId(),
link.getTargetNodeGroupId());
synchronized (this) {
conflictSettingsCache.put(link, list);
}
}
return list;
} else {
return new ArrayList<DataLoaderService.ConflictNodeGroupLink>(0);
}
}
public void delete(ConflictNodeGroupLink settings) {
sqlTemplate.update(getSql("deleteConflictSettingsSql"), settings.getConflictId());
}
public void deleteAllConflicts() {
sqlTemplate.update(getSql("deleteAllConflictSettingsSql"));
}
public void save(ConflictNodeGroupLink setting) {
this.lastConflictCacheResetTimeInMs = 0;
if (sqlTemplate.update(
getSql("updateConflictSettingsSql"),
new Object[] { setting.getNodeGroupLink().getSourceNodeGroupId(),
setting.getNodeGroupLink().getTargetNodeGroupId(),
setting.getTargetChannelId(), setting.getTargetCatalogName(),
setting.getTargetSchemaName(), setting.getTargetTableName(),
setting.getDetectType().name(), setting.getResolveType().name(),
setting.getPingBack().name(), setting.isResolveChangesOnly() ? 1 : 0,
setting.isResolveRowOnly() ? 1 : 0, setting.getDetectExpression(),
setting.getLastUpdateBy(), setting.getConflictId() }, new int[] {
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.INTEGER,
Types.INTEGER, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR }) <= 0) {
sqlTemplate.update(
getSql("insertConflictSettingsSql"),
new Object[] { setting.getNodeGroupLink().getSourceNodeGroupId(),
setting.getNodeGroupLink().getTargetNodeGroupId(),
setting.getTargetChannelId(), setting.getTargetCatalogName(),
setting.getTargetSchemaName(), setting.getTargetTableName(),
setting.getDetectType().name(), setting.getResolveType().name(),
setting.getPingBack().name(), setting.isResolveChangesOnly() ? 1 : 0,
setting.isResolveRowOnly() ? 1 : 0, setting.getDetectExpression(),
setting.getLastUpdateBy(), setting.getConflictId() }, new int[] {
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.INTEGER, Types.INTEGER, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR });
}
}
public List<IncomingError> getIncomingErrors(long batchId, String nodeId) {
return sqlTemplate.query(getSql("selectIncomingErrorSql"), new IncomingErrorMapper(),
batchId, nodeId);
}
public IncomingError getCurrentIncomingError(long batchId, String nodeId) {
return sqlTemplate.queryForObject(getSql("selectCurrentIncomingErrorSql"),
new IncomingErrorMapper(), batchId, nodeId);
}
public void insertIncomingError(IncomingError incomingError) {
ISqlTransaction transaction = null;
try {
transaction = sqlTemplate.startSqlTransaction();
insertIncomingError(transaction, incomingError);
transaction.commit();
} catch (Error ex) {
if (transaction != null) {
transaction.rollback();
}
throw ex;
} catch (RuntimeException ex) {
if (transaction != null) {
transaction.rollback();
}
throw ex;
} finally {
close(transaction);
}
}
public void insertIncomingError(ISqlTransaction transaction, IncomingError incomingError) {
if (StringUtils.isNotBlank(incomingError.getNodeId()) && incomingError.getBatchId() >= 0) {
transaction.prepareAndExecute(
getSql("insertIncomingErrorSql"),
new Object[] { incomingError.getBatchId(), incomingError.getNodeId(),
incomingError.getFailedRowNumber(),
incomingError.getFailedLineNumber(),
incomingError.getTargetCatalogName(),
incomingError.getTargetSchemaName(),
incomingError.getTargetTableName(),
incomingError.getEventType().getCode(),
incomingError.getBinaryEncoding().name(),
incomingError.getColumnNames(),
incomingError.getPrimaryKeyColumnNames(), incomingError.getRowData(),
incomingError.getOldData(), incomingError.getCurData(),
incomingError.getResolveData(),
incomingError.isResolveIgnore() ? 1 : 0, incomingError.getConflictId(),
incomingError.getCreateTime(), incomingError.getLastUpdateBy(),
incomingError.getLastUpdateTime() }, new int[] { Types.BIGINT,
Types.VARCHAR, Types.BIGINT, Types.BIGINT, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.CHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.SMALLINT, Types.VARCHAR, Types.TIMESTAMP,
Types.VARCHAR, Types.TIMESTAMP });
}
}
public void updateIncomingError(IncomingError incomingError) {
sqlTemplate.update(getSql("updateIncomingErrorSql"), incomingError.getResolveData(),
incomingError.isResolveIgnore() ? 1 : 0, incomingError.getBatchId(),
incomingError.getNodeId(), incomingError.getFailedRowNumber());
}
/**
* Used for unit tests
*/
protected void setTransportManager(ITransportManager transportManager) {
this.transportManager = transportManager;
}
class ConflictSettingsNodeGroupLinkMapper implements ISqlRowMapper<ConflictNodeGroupLink> {
public ConflictNodeGroupLink mapRow(Row rs) {
ConflictNodeGroupLink setting = new ConflictNodeGroupLink();
setting.setNodeGroupLink(configurationService.getNodeGroupLinkFor(
rs.getString("source_node_group_id"), rs.getString("target_node_group_id"),
false));
setting.setTargetChannelId(rs.getString("target_channel_id"));
setting.setTargetCatalogName(rs.getString("target_catalog_name"));
setting.setTargetSchemaName(rs.getString("target_schema_name"));
setting.setTargetTableName(rs.getString("target_table_name"));
setting.setDetectType(DetectConflict.valueOf(rs.getString("detect_type").toUpperCase()));
setting.setResolveType(ResolveConflict.valueOf(rs.getString("resolve_type")
.toUpperCase()));
setting.setPingBack(PingBack.valueOf(rs.getString("ping_back")));
setting.setResolveChangesOnly(rs.getBoolean("resolve_changes_only"));
setting.setResolveRowOnly(rs.getBoolean("resolve_row_only"));
setting.setDetectExpression(rs.getString("detect_expression"));
setting.setLastUpdateBy(rs.getString("last_update_by"));
setting.setConflictId(rs.getString("conflict_id"));
setting.setCreateTime(rs.getDateTime("create_time"));
setting.setLastUpdateTime(rs.getDateTime("last_update_time"));
return setting;
}
}
static class IncomingErrorMapper implements ISqlRowMapper<IncomingError> {
public IncomingError mapRow(Row rs) {
IncomingError incomingError = new IncomingError();
incomingError.setBatchId(rs.getLong("batch_id"));
incomingError.setNodeId(rs.getString("node_id"));
incomingError.setFailedRowNumber(rs.getLong("failed_row_number"));
incomingError.setFailedLineNumber(rs.getLong("failed_line_number"));
incomingError.setTargetCatalogName(rs.getString("target_catalog_name"));
incomingError.setTargetSchemaName(rs.getString("target_schema_name"));
incomingError.setTargetTableName(rs.getString("target_table_name"));
incomingError.setEventType(DataEventType.getEventType(rs.getString("event_type")));
incomingError
.setBinaryEncoding(BinaryEncoding.valueOf(rs.getString("binary_encoding")));
incomingError.setColumnNames(rs.getString("column_names"));
incomingError.setPrimaryKeyColumnNames(rs.getString("pk_column_names"));
incomingError.setRowData(rs.getString("row_data"));
incomingError.setOldData(rs.getString("old_data"));
incomingError.setCurData(rs.getString("cur_data"));
incomingError.setResolveData(rs.getString("resolve_data"));
incomingError.setResolveIgnore(rs.getBoolean("resolve_ignore"));
incomingError.setConflictId(rs.getString("conflict_id"));
incomingError.setCreateTime(rs.getDateTime("create_time"));
incomingError.setLastUpdateBy(rs.getString("last_update_by"));
incomingError.setLastUpdateTime(rs.getDateTime("last_update_time"));
return incomingError;
}
}