/
DataExtractorService.java
2389 lines (2083 loc) · 116 KB
/
DataExtractorService.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.apache.commons.lang.StringUtils.isNotBlank;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
import java.math.BigDecimal;
import java.sql.SQLException;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
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.Semaphore;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.time.DurationFormatUtils;
import org.jumpmind.db.io.DatabaseXmlUtil;
import org.jumpmind.db.model.Column;
import org.jumpmind.db.model.Database;
import org.jumpmind.db.model.PlatformColumn;
import org.jumpmind.db.model.Table;
import org.jumpmind.db.platform.DatabaseNamesConstants;
import org.jumpmind.db.platform.DdlBuilderFactory;
import org.jumpmind.db.platform.IDdlBuilder;
import org.jumpmind.db.sql.DmlStatement;
import org.jumpmind.db.sql.DmlStatement.DmlType;
import org.jumpmind.db.sql.ISqlReadCursor;
import org.jumpmind.db.sql.ISqlRowMapper;
import org.jumpmind.db.sql.ISqlTransaction;
import org.jumpmind.db.sql.Row;
import org.jumpmind.exception.IoException;
import org.jumpmind.symmetric.AbstractSymmetricEngine;
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.ParameterConstants;
import org.jumpmind.symmetric.common.TableConstants;
import org.jumpmind.symmetric.io.data.Batch;
import org.jumpmind.symmetric.io.data.Batch.BatchType;
import org.jumpmind.symmetric.io.data.CsvConstants;
import org.jumpmind.symmetric.io.data.CsvData;
import org.jumpmind.symmetric.io.data.CsvUtils;
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.IDataReader;
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.ExtractDataReader;
import org.jumpmind.symmetric.io.data.reader.IExtractDataReaderSource;
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.DataWriterStatisticConstants;
import org.jumpmind.symmetric.io.data.writer.ProtocolDataWriter;
import org.jumpmind.symmetric.io.data.writer.StagingDataWriter;
import org.jumpmind.symmetric.io.data.writer.StructureDataWriter;
import org.jumpmind.symmetric.io.data.writer.StructureDataWriter.PayloadType;
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.StagingFileLock;
import org.jumpmind.symmetric.model.Channel;
import org.jumpmind.symmetric.model.ChannelMap;
import org.jumpmind.symmetric.model.Data;
import org.jumpmind.symmetric.model.DataMetaData;
import org.jumpmind.symmetric.model.ExtractRequest;
import org.jumpmind.symmetric.model.ExtractRequest.ExtractStatus;
import org.jumpmind.symmetric.model.Node;
import org.jumpmind.symmetric.model.NodeChannel;
import org.jumpmind.symmetric.model.NodeCommunication;
import org.jumpmind.symmetric.model.NodeCommunication.CommunicationType;
import org.jumpmind.symmetric.model.NodeGroupLink;
import org.jumpmind.symmetric.model.NodeGroupLinkAction;
import org.jumpmind.symmetric.model.OutgoingBatch;
import org.jumpmind.symmetric.model.OutgoingBatch.Status;
import org.jumpmind.symmetric.model.OutgoingBatchWithPayload;
import org.jumpmind.symmetric.model.OutgoingBatches;
import org.jumpmind.symmetric.model.ProcessInfo;
import org.jumpmind.symmetric.model.ProcessInfoDataWriter;
import org.jumpmind.symmetric.model.ProcessInfoKey;
import org.jumpmind.symmetric.model.ProcessInfoKey.ProcessType;
import org.jumpmind.symmetric.model.RemoteNodeStatus;
import org.jumpmind.symmetric.model.RemoteNodeStatuses;
import org.jumpmind.symmetric.model.Router;
import org.jumpmind.symmetric.model.Trigger;
import org.jumpmind.symmetric.model.TriggerHistory;
import org.jumpmind.symmetric.model.TriggerRouter;
import org.jumpmind.symmetric.route.AbstractFileParsingRouter;
import org.jumpmind.symmetric.route.SimpleRouterContext;
import org.jumpmind.symmetric.service.ClusterConstants;
import org.jumpmind.symmetric.service.IClusterService;
import org.jumpmind.symmetric.service.IConfigurationService;
import org.jumpmind.symmetric.service.IDataExtractorService;
import org.jumpmind.symmetric.service.IDataService;
import org.jumpmind.symmetric.service.INodeCommunicationService;
import org.jumpmind.symmetric.service.INodeCommunicationService.INodeCommunicationExecutor;
import org.jumpmind.symmetric.service.INodeService;
import org.jumpmind.symmetric.service.IOutgoingBatchService;
import org.jumpmind.symmetric.service.IRouterService;
import org.jumpmind.symmetric.service.ISequenceService;
import org.jumpmind.symmetric.service.ITransformService;
import org.jumpmind.symmetric.service.ITriggerRouterService;
import org.jumpmind.symmetric.service.impl.TransformService.TransformTableNodeGroupLink;
import org.jumpmind.symmetric.statistic.IStatisticManager;
import org.jumpmind.symmetric.transport.BatchBufferedWriter;
import org.jumpmind.symmetric.transport.IOutgoingTransport;
import org.jumpmind.symmetric.transport.TransportUtils;
import org.jumpmind.symmetric.util.SymmetricUtils;
import org.jumpmind.util.AppUtils;
import org.jumpmind.util.CustomizableThreadFactory;
import org.jumpmind.util.FormatUtils;
import org.jumpmind.util.Statistics;
/**
* @see IDataExtractorService
*/
public class DataExtractorService extends AbstractService implements IDataExtractorService,
INodeCommunicationExecutor {
final static long MS_PASSED_BEFORE_BATCH_REQUERIED = 5000;
protected enum ExtractMode { FOR_SYM_CLIENT, FOR_PAYLOAD_CLIENT, EXTRACT_ONLY };
IOutgoingBatchService outgoingBatchService;
private IRouterService routerService;
private IConfigurationService configurationService;
private ITriggerRouterService triggerRouterService;
private ITransformService transformService;
private ISequenceService sequenceService;
private IDataService dataService;
private INodeService nodeService;
private IStatisticManager statisticManager;
private IStagingManager stagingManager;
private INodeCommunicationService nodeCommunicationService;
private IClusterService clusterService;
private Map<String, BatchLock> locks = new HashMap<String, BatchLock>();
private CustomizableThreadFactory threadPoolFactory;
public DataExtractorService(ISymmetricEngine engine) {
super(engine.getParameterService(), engine.getSymmetricDialect());
this.outgoingBatchService = engine.getOutgoingBatchService();
this.routerService = engine.getRouterService();
this.dataService = engine.getDataService();
this.configurationService = engine.getConfigurationService();
this.triggerRouterService = engine.getTriggerRouterService();
this.nodeService = engine.getNodeService();
this.transformService = engine.getTransformService();
this.statisticManager = engine.getStatisticManager();
this.stagingManager = engine.getStagingManager();
this.nodeCommunicationService = engine.getNodeCommunicationService();
this.clusterService = engine.getClusterService();
this.sequenceService = engine.getSequenceService();
setSqlMap(new DataExtractorServiceSqlMap(symmetricDialect.getPlatform(),
createSqlReplacementTokens()));
}
/**
* @see DataExtractorService#extractConfigurationStandalone(Node, Writer)
*/
public void extractConfigurationStandalone(Node node, OutputStream out) {
this.extractConfigurationStandalone(node, TransportUtils.toWriter(out),
TableConstants.SYM_MONITOR_EVENT, TableConstants.SYM_CONSOLE_EVENT);
}
public void extractConfigurationOnly(Node node, OutputStream out) {
this.extractConfigurationStandalone(node, TransportUtils.toWriter(out),
TableConstants.SYM_NODE, TableConstants.SYM_NODE_SECURITY,
TableConstants.SYM_NODE_IDENTITY, TableConstants.SYM_NODE_HOST, TableConstants.SYM_FILE_SNAPSHOT,
TableConstants.SYM_NODE_CHANNEL_CTL, TableConstants.SYM_CONSOLE_USER,
TableConstants.SYM_TABLE_RELOAD_REQUEST, TableConstants.SYM_MONITOR_EVENT, TableConstants.SYM_CONSOLE_EVENT);
}
protected boolean filter(Node targetNode, String tableName) {
boolean pre37 = Version.isOlderThanVersion(targetNode.getSymmetricVersionParts(), Version.VERSION_3_7_0);
boolean pre38 = Version.isOlderThanVersion(targetNode.getSymmetricVersionParts(), Version.VERSION_3_8_0);
boolean pre3818 = Version.isOlderThanVersion(targetNode.getSymmetricVersionParts(), Version.VERSION_3_8_18);
tableName = tableName.toLowerCase();
boolean include = true;
if (pre37 && tableName.contains(TableConstants.SYM_EXTENSION)) {
include = false;
} else if (pre38 && (tableName.contains(TableConstants.SYM_MONITOR) ||
tableName.contains(TableConstants.SYM_NOTIFICATION))) {
include = false;
} else if (pre3818 && tableName.contains(TableConstants.SYM_CONSOLE_USER_HIST)) {
include = false;
} else if (tableName.contains(TableConstants.SYM_CONSOLE_USER)
|| tableName.contains(TableConstants.SYM_CONSOLE_USER_HIST)) {
boolean isTargetProfessional = StringUtils.equals(targetNode.getDeploymentType(),
Constants.DEPLOYMENT_TYPE_PROFESSIONAL);
if (!isTargetProfessional) {
include = false;
}
}
return include;
}
/**
* Extract the SymmetricDS configuration for the passed in {@link Node}.
*/
public void extractConfigurationStandalone(Node targetNode, Writer writer,
String... tablesToExclude) {
Node sourceNode = nodeService.findIdentity();
if (targetNode != null && sourceNode != null) {
Batch batch = new Batch(BatchType.EXTRACT, Constants.VIRTUAL_BATCH_FOR_REGISTRATION,
Constants.CHANNEL_CONFIG, symmetricDialect.getBinaryEncoding(),
sourceNode.getNodeId(), targetNode.getNodeId(), false);
NodeGroupLink nodeGroupLink = new NodeGroupLink(parameterService.getNodeGroupId(),
targetNode.getNodeGroupId());
List<TriggerRouter> triggerRouters = triggerRouterService
.buildTriggerRoutersForSymmetricTables(
StringUtils.isBlank(targetNode.getSymmetricVersion()) ? Version
.version() : targetNode.getSymmetricVersion(), nodeGroupLink,
tablesToExclude);
List<SelectFromTableEvent> initialLoadEvents = new ArrayList<SelectFromTableEvent>(
triggerRouters.size() * 2);
for (int i = triggerRouters.size() - 1; i >= 0; i--) {
TriggerRouter triggerRouter = triggerRouters.get(i);
String channelId = triggerRouter.getTrigger().getChannelId();
if (Constants.CHANNEL_CONFIG.equals(channelId)
|| Constants.CHANNEL_HEARTBEAT.equals(channelId)) {
if (filter(targetNode, triggerRouter.getTrigger().getSourceTableName())) {
TriggerHistory triggerHistory = triggerRouterService
.getNewestTriggerHistoryForTrigger(triggerRouter.getTrigger()
.getTriggerId(), null, null, triggerRouter.getTrigger()
.getSourceTableName());
if (triggerHistory == null) {
Trigger trigger = triggerRouter.getTrigger();
Table table = symmetricDialect.getPlatform().getTableFromCache(
trigger.getSourceCatalogName(), trigger.getSourceSchemaName(),
trigger.getSourceTableName(), false);
if (table == null) {
throw new IllegalStateException("Could not find a required table: "
+ triggerRouter.getTrigger().getSourceTableName());
}
triggerHistory = new TriggerHistory(table, triggerRouter.getTrigger(),
symmetricDialect.getTriggerTemplate());
triggerHistory.setTriggerHistoryId(Integer.MAX_VALUE - i);
}
StringBuilder sql = new StringBuilder(symmetricDialect.createPurgeSqlFor(
targetNode, triggerRouter, triggerHistory));
addPurgeCriteriaToConfigurationTables(triggerRouter.getTrigger()
.getSourceTableName(), sql);
String sourceTable = triggerHistory.getSourceTableName();
Data data = new Data(1, null, sql.toString(), DataEventType.SQL,
sourceTable, null, triggerHistory, triggerRouter.getTrigger()
.getChannelId(), null, null);
data.putAttribute(Data.ATTRIBUTE_ROUTER_ID, triggerRouter.getRouter()
.getRouterId());
initialLoadEvents.add(new SelectFromTableEvent(data));
}
}
}
for (int i = 0; i < triggerRouters.size(); i++) {
TriggerRouter triggerRouter = triggerRouters.get(i);
String channelId = triggerRouter.getTrigger().getChannelId();
if (Constants.CHANNEL_CONFIG.equals(channelId)
|| Constants.CHANNEL_HEARTBEAT.equals(channelId)) {
if (filter(targetNode, triggerRouter.getTrigger().getSourceTableName())) {
TriggerHistory triggerHistory = triggerRouterService
.getNewestTriggerHistoryForTrigger(triggerRouter.getTrigger()
.getTriggerId(), null, null, null);
if (triggerHistory == null) {
Trigger trigger = triggerRouter.getTrigger();
triggerHistory = new TriggerHistory(symmetricDialect.getPlatform()
.getTableFromCache(trigger.getSourceCatalogName(),
trigger.getSourceSchemaName(),
trigger.getSourceTableName(), false), trigger,
symmetricDialect.getTriggerTemplate());
triggerHistory.setTriggerHistoryId(Integer.MAX_VALUE - i);
}
Table table = symmetricDialect.getPlatform().getTableFromCache(
triggerHistory.getSourceCatalogName(), triggerHistory.getSourceSchemaName(),
triggerHistory.getSourceTableName(), false);
String initialLoadSql = "1=1 order by ";
String quote = symmetricDialect.getPlatform().getDdlBuilder().getDatabaseInfo().getDelimiterToken();
Column[] pkColumns = table.getPrimaryKeyColumns();
for (int j = 0; j < pkColumns.length; j++) {
if (j > 0) {
initialLoadSql += ", ";
}
initialLoadSql += quote + pkColumns[j].getName() + quote;
}
if (!triggerRouter.getTrigger().getSourceTableName()
.endsWith(TableConstants.SYM_NODE_IDENTITY)) {
initialLoadEvents.add(new SelectFromTableEvent(targetNode,
triggerRouter, triggerHistory, initialLoadSql));
} else {
Data data = new Data(1, null, targetNode.getNodeId(),
DataEventType.INSERT, triggerHistory.getSourceTableName(),
null, triggerHistory,
triggerRouter.getTrigger().getChannelId(), null, null);
initialLoadEvents.add(new SelectFromTableEvent(data));
}
}
}
}
SelectFromTableSource source = new SelectFromTableSource(batch, initialLoadEvents);
ExtractDataReader dataReader = new ExtractDataReader(
this.symmetricDialect.getPlatform(), source);
ProtocolDataWriter dataWriter = new ProtocolDataWriter(
nodeService.findIdentityNodeId(), writer, targetNode.requires13Compatiblity());
DataProcessor processor = new DataProcessor(dataReader, dataWriter,
"configuration extract");
DataContext ctx = new DataContext();
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE, targetNode);
ctx.put(Constants.DATA_CONTEXT_SOURCE_NODE, sourceNode);
processor.process(ctx);
if (triggerRouters.size() == 0) {
log.error("{} attempted registration, but was sent an empty configuration",
targetNode);
}
}
}
private void addPurgeCriteriaToConfigurationTables(String sourceTableName, StringBuilder sql) {
if ((TableConstants
.getTableName(parameterService.getTablePrefix(), TableConstants.SYM_NODE)
.equalsIgnoreCase(sourceTableName))
|| TableConstants.getTableName(parameterService.getTablePrefix(),
TableConstants.SYM_NODE_SECURITY).equalsIgnoreCase(sourceTableName)) {
Node me = nodeService.findIdentity();
if (me != null) {
sql.append(String.format(" where created_at_node_id='%s'", me.getNodeId()));
}
}
}
private List<OutgoingBatch> filterBatchesForExtraction(OutgoingBatches batches,
ChannelMap suspendIgnoreChannelsList) {
if (parameterService.is(ParameterConstants.FILE_SYNC_ENABLE)) {
List<Channel> fileSyncChannels = configurationService.getFileSyncChannels();
for (Channel channel : fileSyncChannels) {
batches.filterBatchesForChannel(channel);
}
}
// We now have either our local suspend/ignore list, or the combined
// remote send/ignore list and our local list (along with a
// reservation, if we go this far...)
// Now, we need to skip the suspended channels and ignore the
// ignored ones by ultimately setting the status to ignored and
// updating them.
List<OutgoingBatch> ignoredBatches = batches
.filterBatchesForChannels(suspendIgnoreChannelsList.getIgnoreChannels());
// Finally, update the ignored outgoing batches such that they
// will be skipped in the future.
for (OutgoingBatch batch : ignoredBatches) {
batch.setStatus(OutgoingBatch.Status.OK);
batch.incrementIgnoreCount();
if (log.isDebugEnabled()) {
log.debug("Batch {} is being ignored", batch.getBatchId());
}
}
outgoingBatchService.updateOutgoingBatches(ignoredBatches);
batches.filterBatchesForChannels(suspendIgnoreChannelsList.getSuspendChannels());
// Remove non-load batches so that an initial load finishes before
// any other batches are loaded.
if (parameterService.is(ParameterConstants.INITIAL_LOAD_BLOCK_CHANNELS, true)) {
if (!batches.containsBatchesInError() && batches.containsLoadBatches()) {
batches.removeNonLoadBatches();
}
}
return batches.getBatches();
}
public List<OutgoingBatchWithPayload> extractToPayload(ProcessInfo processInfo,
Node targetNode, PayloadType payloadType, boolean useJdbcTimestampFormat,
boolean useUpsertStatements, boolean useDelimiterIdentifiers) {
OutgoingBatches batches = outgoingBatchService.getOutgoingBatches(targetNode.getNodeId(),
false);
if (batches.containsBatches()) {
ChannelMap channelMap = configurationService.getSuspendIgnoreChannelLists(targetNode
.getNodeId());
List<OutgoingBatch> activeBatches = filterBatchesForExtraction(batches, channelMap);
if (activeBatches.size() > 0) {
IDdlBuilder builder = DdlBuilderFactory.createDdlBuilder(targetNode
.getDatabaseType());
if (builder == null) {
throw new IllegalStateException(
"Could not find a ddl builder registered for the database type of "
+ targetNode.getDatabaseType()
+ ". Please check the database type setting for node '"
+ targetNode.getNodeId() + "'");
}
StructureDataWriter writer = new StructureDataWriter(
symmetricDialect.getPlatform(), targetNode.getDatabaseType(), payloadType,
useDelimiterIdentifiers, symmetricDialect.getBinaryEncoding(),
useJdbcTimestampFormat, useUpsertStatements);
List<OutgoingBatch> extractedBatches = extract(processInfo, targetNode,
activeBatches, writer, null, ExtractMode.FOR_PAYLOAD_CLIENT);
List<OutgoingBatchWithPayload> batchesWithPayload = new ArrayList<OutgoingBatchWithPayload>();
for (OutgoingBatch batch : extractedBatches) {
OutgoingBatchWithPayload batchWithPayload = new OutgoingBatchWithPayload(batch,
payloadType);
batchWithPayload.setPayload(writer.getPayloadMap().get(batch.getBatchId()));
batchWithPayload.setPayloadType(payloadType);
batchesWithPayload.add(batchWithPayload);
}
return batchesWithPayload;
}
}
return Collections.emptyList();
}
public List<OutgoingBatch> extract(ProcessInfo processInfo, Node targetNode,
IOutgoingTransport transport) {
return extract(processInfo, targetNode, null, transport);
}
public List<OutgoingBatch> extract(ProcessInfo processInfo, Node targetNode, String queue,
IOutgoingTransport transport) {
/*
* make sure that data is routed before extracting if the route job is
* not configured to start automatically
*/
if (!parameterService.is(ParameterConstants.START_ROUTE_JOB) && parameterService.is(ParameterConstants.ROUTE_ON_EXTRACT)) {
routerService.routeData(true);
}
OutgoingBatches batches = null;
if (queue != null) {
NodeGroupLinkAction defaultAction = configurationService.getNodeGroupLinkFor(nodeService.findIdentity().getNodeGroupId(),
targetNode.getNodeGroupId(), false).getDataEventAction();
ProcessInfoKey.ProcessType processType = processInfo.getKey().getProcessType();
NodeGroupLinkAction action = null;
if (processType.equals(ProcessInfoKey.ProcessType.PUSH_JOB)) {
action = NodeGroupLinkAction.P;
} else if (processType.equals(ProcessInfoKey.ProcessType.PULL_HANDLER)) {
action = NodeGroupLinkAction.W;
}
batches = outgoingBatchService.getOutgoingBatches(targetNode.getNodeId(), queue, action, defaultAction, false);
} else {
batches = outgoingBatchService.getOutgoingBatches(targetNode.getNodeId(), false);
}
if (batches.containsBatches()) {
ChannelMap channelMap = transport.getSuspendIgnoreChannelLists(configurationService, queue,
targetNode);
List<OutgoingBatch> activeBatches = filterBatchesForExtraction(batches, channelMap);
if (activeBatches.size() > 0) {
BufferedWriter writer = transport.openWriter();
IDataWriter dataWriter = new ProtocolDataWriter(nodeService.findIdentityNodeId(),
writer, targetNode.requires13Compatiblity());
return extract(processInfo, targetNode, activeBatches, dataWriter, writer, ExtractMode.FOR_SYM_CLIENT);
}
}
return Collections.emptyList();
}
/**
* This method will extract an outgoing batch, but will not update the outgoing batch status
*/
public boolean extractOnlyOutgoingBatch(String nodeId, long batchId, Writer writer) {
boolean extracted = false;
Node targetNode = null;
if (Constants.UNROUTED_NODE_ID.equals(nodeId)) {
targetNode = new Node(nodeId, parameterService.getNodeGroupId());
} else {
targetNode = nodeService.findNode(nodeId);
}
if (targetNode != null) {
OutgoingBatch batch = outgoingBatchService.findOutgoingBatch(batchId, nodeId);
if (batch != null) {
IDataWriter dataWriter = new ProtocolDataWriter(nodeService.findIdentityNodeId(),
writer, targetNode.requires13Compatiblity());
List<OutgoingBatch> batches = new ArrayList<OutgoingBatch>(1);
batches.add(batch);
batches = extract(new ProcessInfo(), targetNode, batches, dataWriter, null,
ExtractMode.EXTRACT_ONLY);
extracted = batches.size() > 0;
}
}
return extracted;
}
protected List<OutgoingBatch> extract(final ProcessInfo processInfo, final Node targetNode,
final List<OutgoingBatch> activeBatches, final IDataWriter dataWriter, final BufferedWriter writer, final ExtractMode mode) {
if (activeBatches.size() > 0) {
final List<OutgoingBatch> processedBatches = new ArrayList<OutgoingBatch>(activeBatches.size());
Set<String> channelsProcessed = new HashSet<String>();
long batchesSelectedAtMs = System.currentTimeMillis();
OutgoingBatch currentBatch = null;
ExecutorService executor = null;
try {
final boolean streamToFileEnabled = parameterService.is(ParameterConstants.STREAM_TO_FILE_ENABLED);
long keepAliveMillis = parameterService.getLong(ParameterConstants.DATA_LOADER_SEND_ACK_KEEPALIVE);
Node sourceNode = nodeService.findIdentity();
final FutureExtractStatus status = new FutureExtractStatus();
if (this.threadPoolFactory == null) {
this.threadPoolFactory = new CustomizableThreadFactory(String.format("%s-dataextractor", parameterService.getEngineName().toLowerCase()));
}
executor = Executors.newFixedThreadPool(1, threadPoolFactory);
List<Future<FutureOutgoingBatch>> futures = new ArrayList<Future<FutureOutgoingBatch>>();
processInfo.setBatchCount(activeBatches.size());
for (int i = 0; i < activeBatches.size(); i++) {
currentBatch = activeBatches.get(i);
processInfo.setCurrentLoadId(currentBatch.getLoadId());
processInfo.setDataCount(currentBatch.getDataEventCount());
processInfo.setCurrentBatchId(currentBatch.getBatchId());
channelsProcessed.add(currentBatch.getChannelId());
currentBatch = requeryIfEnoughTimeHasPassed(batchesSelectedAtMs, currentBatch);
processInfo.setStatus(ProcessInfo.Status.EXTRACTING);
final OutgoingBatch extractBatch = currentBatch;
Callable<FutureOutgoingBatch> callable = new Callable<FutureOutgoingBatch>() {
public FutureOutgoingBatch call() throws Exception {
return extractBatch(extractBatch, status, processInfo, targetNode, dataWriter, mode, activeBatches);
}
};
if (status.shouldExtractSkip) {
break;
}
futures.add(executor.submit(callable));
}
if (parameterService.is(ParameterConstants.SYNCHRONIZE_ALL_JOBS)) {
executor.shutdown();
boolean isProcessed = false;
while (!isProcessed) {
try {
isProcessed = executor.awaitTermination(keepAliveMillis, TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
if (!isProcessed) {
writeKeepAliveAck(writer, sourceNode, streamToFileEnabled);
}
}
}
Iterator<OutgoingBatch> activeBatchIter = activeBatches.iterator();
for (Future<FutureOutgoingBatch> future : futures) {
currentBatch = activeBatchIter.next();
boolean isProcessed = false;
while (!isProcessed) {
try {
FutureOutgoingBatch extractBatch = future.get(keepAliveMillis, TimeUnit.MILLISECONDS);
currentBatch = extractBatch.getOutgoingBatch();
if (extractBatch.isExtractSkipped) {
break;
}
if (streamToFileEnabled || mode == ExtractMode.FOR_PAYLOAD_CLIENT) {
processInfo.setStatus(ProcessInfo.Status.TRANSFERRING);
processInfo.setCurrentLoadId(currentBatch.getLoadId());
boolean isRetry = extractBatch.isRetry() && extractBatch.getOutgoingBatch().getStatus() != OutgoingBatch.Status.IG;
currentBatch = sendOutgoingBatch(processInfo, targetNode, currentBatch, isRetry,
dataWriter, writer, mode);
}
processedBatches.add(currentBatch);
isProcessed = true;
if (currentBatch.getStatus() != Status.OK) {
currentBatch.setLoadCount(currentBatch.getLoadCount() + 1);
changeBatchStatus(Status.LD, currentBatch, mode);
}
} catch (ExecutionException e) {
if (isNotBlank(e.getMessage()) && e.getMessage().contains("string truncation")) {
throw new RuntimeException("There is a good chance that the truncation error you are receiving is because contains_big_lobs on the '"
+ currentBatch.getChannelId() + "' channel needs to be turned on.",
e.getCause() != null ? e.getCause() : e);
}
throw new RuntimeException(e.getCause() != null ? e.getCause() : e);
} catch (InterruptedException e) {
throw new RuntimeException(e);
} catch (TimeoutException e) {
writeKeepAliveAck(writer, sourceNode, streamToFileEnabled);
}
}
}
} catch (RuntimeException e) {
SQLException se = unwrapSqlException(e);
if (currentBatch != null) {
try {
/* Reread batch in case the ignore flag has been set */
currentBatch = outgoingBatchService.
findOutgoingBatch(currentBatch.getBatchId(), currentBatch.getNodeId());
statisticManager.incrementDataExtractedErrors(currentBatch.getChannelId(), 1);
if (se != null) {
currentBatch.setSqlState(se.getSQLState());
currentBatch.setSqlCode(se.getErrorCode());
currentBatch.setSqlMessage(se.getMessage());
} else {
currentBatch.setSqlMessage(getRootMessage(e));
}
currentBatch.revertStatsOnError();
if (currentBatch.getStatus() != Status.IG &&
currentBatch.getStatus() != Status.OK) {
currentBatch.setStatus(Status.ER);
currentBatch.setErrorFlag(true);
}
outgoingBatchService.updateOutgoingBatch(currentBatch);
} catch(Exception ex) {
log.error("Failed to update the outgoing batch status for failed batch {}", currentBatch, ex);
} finally {
if (!isStreamClosedByClient(e)) {
if (e instanceof ProtocolException) {
IStagedResource resource = getStagedResource(currentBatch);
if (resource != null) {
resource.delete();
}
}
if (e.getCause() instanceof InterruptedException) {
log.info("Extract of batch {} was interrupted", currentBatch);
} else {
log.error("Failed to extract batch {}", currentBatch, e);
}
}
processInfo.setStatus(ProcessInfo.Status.ERROR);
}
} else {
log.error("Could not log the outgoing batch status because the batch was null",
e);
}
} finally {
if (executor != null) {
executor.shutdown();
}
}
// Next, we update the node channel controls to the
// current timestamp
Calendar now = Calendar.getInstance();
for (String channelProcessed : channelsProcessed) {
NodeChannel nodeChannel = configurationService.getNodeChannel(channelProcessed,
targetNode.getNodeId(), false);
if (nodeChannel != null && nodeChannel.getExtractPeriodMillis() > 0) {
nodeChannel.setLastExtractTime(now.getTime());
configurationService.updateLastExtractTime(nodeChannel);
}
}
return processedBatches;
} else {
return Collections.emptyList();
}
}
protected FutureOutgoingBatch extractBatch(OutgoingBatch extractBatch, FutureExtractStatus status, ProcessInfo processInfo,
Node targetNode, IDataWriter dataWriter, ExtractMode mode, List<OutgoingBatch> activeBatches) throws Exception {
FutureOutgoingBatch outgoingBatch = new FutureOutgoingBatch(extractBatch, false);
final long maxBytesToSync = parameterService.getLong(ParameterConstants.TRANSPORT_MAX_BYTES_TO_SYNC);
final boolean streamToFileEnabled = parameterService.is(ParameterConstants.STREAM_TO_FILE_ENABLED);
if (!status.shouldExtractSkip) {
if (extractBatch.isExtractJobFlag() && extractBatch.getStatus() != Status.IG) {
if (parameterService.is(ParameterConstants.INITIAL_LOAD_USE_EXTRACT_JOB)) {
if (extractBatch.getStatus() != Status.RQ && extractBatch.getStatus() != Status.IG
&& !isPreviouslyExtracted(extractBatch, false)) {
/*
* the batch must have been purged. it needs to be
* re-extracted
*/
log.info("Batch {} is marked as ready but it has been deleted. Rescheduling it for extraction",
extractBatch.getNodeBatchId());
if (mode != ExtractMode.EXTRACT_ONLY) {
resetExtractRequest(extractBatch);
}
status.shouldExtractSkip = outgoingBatch.isExtractSkipped = true;
} else if (extractBatch.getStatus() == Status.RQ) {
log.info("Batch {} is not ready for delivery. It is currently scheduled for extraction",
extractBatch.getNodeBatchId());
status.shouldExtractSkip = outgoingBatch.isExtractSkipped = true;
}
} else {
extractBatch.setStatus(Status.NE);
extractBatch.setExtractJobFlag(false);
}
} else {
try {
boolean isRetry = isRetry(extractBatch, targetNode);
outgoingBatch = new FutureOutgoingBatch(
extractOutgoingBatch(processInfo, targetNode, dataWriter, extractBatch, streamToFileEnabled, true, mode),
isRetry);
status.batchExtractCount++;
status.byteExtractCount += extractBatch.getByteCount();
if (status.byteExtractCount >= maxBytesToSync && status.batchExtractCount < activeBatches.size()) {
log.info(
"Reached the total byte threshold after {} of {} batches were extracted for node '{}' (extracted {} bytes, the max is {}). "
+ "The remaining batches will be extracted on a subsequent sync.",
new Object[] { status.batchExtractCount, activeBatches.size(), targetNode.getNodeId(), status.byteExtractCount, maxBytesToSync });
status.shouldExtractSkip = true;
}
} catch (Exception e) {
status.shouldExtractSkip = outgoingBatch.isExtractSkipped = true;
throw e;
}
}
} else {
outgoingBatch.isExtractSkipped = true;
}
return outgoingBatch;
}
protected void writeKeepAliveAck(BufferedWriter writer, Node sourceNode, boolean streamToFileEnabled) {
try {
if (writer != null && streamToFileEnabled) {
writer.write(CsvConstants.NODEID + "," + sourceNode.getNodeId());
writer.newLine();
writer.flush();
}
} catch (IOException ex) {
}
}
final protected boolean changeBatchStatus(Status status, OutgoingBatch currentBatch, ExtractMode mode) {
if (currentBatch.getStatus() != Status.IG) {
currentBatch.setStatus(status);
}
if (mode != ExtractMode.EXTRACT_ONLY) {
long batchStatusUpdateMillis = parameterService.getLong(ParameterConstants.OUTGOING_BATCH_UPDATE_STATUS_MILLIS);
int batchStatusUpdateDataCount = parameterService.getInt(ParameterConstants.OUTGOING_BATCH_UPDATE_STATUS_DATA_COUNT);
Channel channel = configurationService.getChannel(currentBatch.getChannelId());
if (currentBatch.getStatus() == Status.RQ ||
currentBatch.getStatus() == Status.LD ||
currentBatch.getLastUpdatedTime() == null ||
System.currentTimeMillis() - batchStatusUpdateMillis >= currentBatch.getLastUpdatedTime().getTime() ||
channel.isReloadFlag() ||
currentBatch.getDataEventCount() > batchStatusUpdateDataCount) {
outgoingBatchService.updateOutgoingBatch(currentBatch);
return true;
}
return false;
} else {
return false;
}
}
/**
* If time has passed, then re-query the batch to double check that the
* status has not changed
*/
final protected OutgoingBatch requeryIfEnoughTimeHasPassed(long ts, OutgoingBatch currentBatch) {
if (System.currentTimeMillis() - ts > MS_PASSED_BEFORE_BATCH_REQUERIED) {
currentBatch = outgoingBatchService.findOutgoingBatch(currentBatch.getBatchId(),
currentBatch.getNodeId());
}
return currentBatch;
}
protected OutgoingBatch extractOutgoingBatch(ProcessInfo processInfo, Node targetNode,
IDataWriter dataWriter, OutgoingBatch currentBatch, boolean useStagingDataWriter,
boolean updateBatchStatistics, ExtractMode mode) {
if (currentBatch.getStatus() != Status.OK || ExtractMode.EXTRACT_ONLY == mode || ExtractMode.FOR_SYM_CLIENT == mode) {
Node sourceNode = nodeService.findIdentity();
IDataWriter writer = wrapWithTransformWriter(sourceNode, targetNode, processInfo, dataWriter, useStagingDataWriter);
long ts = System.currentTimeMillis();
long extractTimeInMs = 0l;
long byteCount = 0l;
long transformTimeInMs = 0l;
if (currentBatch.getStatus() == Status.IG) {
cleanupIgnoredBatch(sourceNode, targetNode, currentBatch, writer);
} else if (!isPreviouslyExtracted(currentBatch, true)) {
BatchLock lock = null;
try {
log.debug("{} attempting to acquire lock for batch {}", targetNode.getNodeId(), currentBatch.getBatchId());
lock = acquireLock(currentBatch, useStagingDataWriter);
log.debug("{} acquired lock for batch {}", targetNode.getNodeId(), currentBatch.getBatchId());
if (!isPreviouslyExtracted(currentBatch, true)) {
log.debug("{} extracting batch {}", targetNode.getNodeId(), currentBatch.getBatchId());
currentBatch.setExtractCount(currentBatch.getExtractCount() + 1);
if (updateBatchStatistics) {
changeBatchStatus(Status.QY, currentBatch, mode);
}
currentBatch.resetStats();
DataContext ctx = new DataContext();
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE_ID, targetNode.getNodeId());
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE_EXTERNAL_ID, targetNode.getExternalId());
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE_GROUP_ID, targetNode.getNodeGroupId());
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE, targetNode);
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_EXTERNAL_ID, sourceNode.getExternalId());
ctx.put(Constants.DATA_CONTEXT_SOURCE_NODE_GROUP_ID, sourceNode.getNodeGroupId());
IDataReader dataReader = buildExtractDataReader(sourceNode, targetNode, currentBatch, processInfo);
new DataProcessor(dataReader, writer, "extract").process(ctx);
extractTimeInMs = System.currentTimeMillis() - ts;
Statistics stats = getExtractStats(writer);
if (stats != null) {
transformTimeInMs = stats.get(DataWriterStatisticConstants.TRANSFORMMILLIS);
extractTimeInMs = extractTimeInMs - transformTimeInMs;
byteCount = stats.get(DataWriterStatisticConstants.BYTECOUNT);
statisticManager.incrementDataBytesExtracted(currentBatch.getChannelId(), byteCount);
statisticManager.incrementDataExtracted(currentBatch.getChannelId(),
stats.get(DataWriterStatisticConstants.STATEMENTCOUNT));
}
}
} catch (RuntimeException ex) {
IStagedResource resource = getStagedResource(currentBatch);
if (resource != null) {
resource.close();
resource.delete();
}
throw ex;
} finally {
try {
IStagedResource resource = getStagedResource(currentBatch);
if (resource != null) {
resource.setState(State.DONE);
}
} finally {
releaseLock(lock, currentBatch, useStagingDataWriter);
log.debug("{} released lock for batch {}", targetNode.getNodeId(), currentBatch.getBatchId());
}
}
}
if (updateBatchStatistics) {
long dataEventCount = currentBatch.getDataEventCount();
long insertEventCount = currentBatch.getInsertEventCount();
currentBatch = requeryIfEnoughTimeHasPassed(ts, currentBatch);
// preserve in the case of a reload event
if (dataEventCount > currentBatch.getDataEventCount()) {
currentBatch.setDataEventCount(dataEventCount);
}
// preserve in the case of a reload event
if (insertEventCount > currentBatch.getInsertEventCount()) {
currentBatch.setInsertEventCount(insertEventCount);
}
// only update the current batch after we have possibly
// "re-queried"
if (extractTimeInMs > 0) {
currentBatch.setExtractMillis(extractTimeInMs);
}
if (byteCount > 0) {
currentBatch.setByteCount(byteCount);
}
}
}
processInfo.incrementCurrentBatchCount();
return currentBatch;
}
protected String getSemaphoreKey(OutgoingBatch batch, boolean useStagingDataWriter) {
return useStagingDataWriter ? Long.toString(batch.getBatchId()) : batch.getNodeBatchId();
}
private BatchLock acquireLock(OutgoingBatch batch, boolean useStagingDataWriter) {
String semaphoreKey = getSemaphoreKey(batch, useStagingDataWriter);
BatchLock lock = null;
synchronized (DataExtractorService.this) {
lock = locks.get(semaphoreKey);
if (lock == null) {
lock = new BatchLock(semaphoreKey);
locks.put(semaphoreKey, lock);
}
lock.referenceCount++;
}
try {
lock.acquire(); // In-memory, intra-process lock.
if (isStagingFileLockRequired(batch)) { // File-system, inter-process lock for clustering.
StagingFileLock fileLock = acquireStagingFileLock(batch);
if (fileLock.isAcquired()) {
lock.fileLock = fileLock;
} else { // Didn't get the fileLock, ditch the in-memory lock as well.
locks.remove(semaphoreKey);
lock.release();
throw new SymmetricException("Failed to get extract lock on batch " + batch.getNodeBatchId());
}
}
} catch (InterruptedException e) {
throw new org.jumpmind.exception.InterruptedException(e);
}
return lock;
}
protected StagingFileLock acquireStagingFileLock(OutgoingBatch batch) {
boolean stagingFileAcquired = false;
StagingFileLock fileLock = null;
int iterations = 0;
while (!stagingFileAcquired) {