/
DataExtractorService.java
1710 lines (1470 loc) · 78.7 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 java.io.OutputStream;
import java.io.Writer;
import java.sql.SQLException;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Semaphore;
import org.apache.commons.lang.StringUtils;
import org.jumpmind.db.io.DatabaseXmlUtil;
import org.jumpmind.db.model.Database;
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.ISqlReadCursor;
import org.jumpmind.db.sql.ISqlRowMapper;
import org.jumpmind.db.sql.ISqlTransaction;
import org.jumpmind.db.sql.Row;
import org.jumpmind.db.sql.SqlConstants;
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.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.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.IProtocolDataWriterListener;
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.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.NodeGroupLink;
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.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.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.IOutgoingTransport;
import org.jumpmind.symmetric.transport.TransportUtils;
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 };
private 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, Semaphore> locks = new HashMap<String, Semaphore>();
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));
}
/**
* Extract the SymmetricDS configuration for the passed in {@link Node}.
* Note that this method will insert an already acknowledged batch to
* indicate that the configuration was sent. If the configuration fails to
* load for some reason on the client the batch status will NOT reflect the
* failure.
*/
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)) {
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)) {
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);
}
if (!triggerRouter.getTrigger().getSourceTableName()
.endsWith(TableConstants.SYM_NODE_IDENTITY)) {
initialLoadEvents.add(new SelectFromTableEvent(targetNode, triggerRouter,
triggerHistory, null));
} 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 (!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, 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) {
/*
* 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)) {
routerService.routeData(true);
}
OutgoingBatches batches = outgoingBatchService.getOutgoingBatches(targetNode.getNodeId(),
false);
if (batches.containsBatches()) {
ChannelMap channelMap = transport.getSuspendIgnoreChannelLists(configurationService,
targetNode);
List<OutgoingBatch> activeBatches = filterBatchesForExtraction(batches, channelMap);
if (activeBatches.size() > 0) {
IDataWriter dataWriter = new ProtocolDataWriter(nodeService.findIdentityNodeId(),
transport.openWriter(), targetNode.requires13Compatiblity());
return extract(processInfo, targetNode, activeBatches, dataWriter,
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,
ExtractMode.EXTRACT_ONLY);
extracted = batches.size() > 0;
}
}
return extracted;
}
protected List<OutgoingBatch> extract(ProcessInfo processInfo, Node targetNode,
List<OutgoingBatch> activeBatches, IDataWriter dataWriter, ExtractMode mode) {
boolean streamToFileEnabled = parameterService
.is(ParameterConstants.STREAM_TO_FILE_ENABLED);
List<OutgoingBatch> processedBatches = new ArrayList<OutgoingBatch>(activeBatches.size());
if (activeBatches.size() > 0) {
Set<String> channelsProcessed = new HashSet<String>();
long batchesSelectedAtMs = System.currentTimeMillis();
OutgoingBatch currentBatch = null;
try {
long bytesSentCount = 0;
int batchesSentCount = 0;
long maxBytesToSync = parameterService
.getLong(ParameterConstants.TRANSPORT_MAX_BYTES_TO_SYNC);
for (int i = 0; i < activeBatches.size(); i++) {
currentBatch = activeBatches.get(i);
channelsProcessed.add(currentBatch.getChannelId());
processInfo.setDataCount(currentBatch.getDataEventCount());
processInfo.incrementBatchCount();
processInfo.setCurrentBatchId(currentBatch.getBatchId());
processInfo.setCurrentLoadId(currentBatch.getLoadId());
currentBatch = requeryIfEnoughTimeHasPassed(batchesSelectedAtMs, currentBatch);
if (currentBatch.isExtractJobFlag() && currentBatch.getStatus() != Status.IG) {
if (parameterService.is(ParameterConstants.INITIAL_LOAD_USE_EXTRACT_JOB)) {
if (currentBatch.getStatus() != Status.RQ && currentBatch.getStatus() != Status.IG
&& !isPreviouslyExtracted(currentBatch)) {
/*
* 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",
currentBatch.getNodeBatchId());
if (changeBatchStatus(Status.RQ, currentBatch, mode)) {
resetExtractRequest(currentBatch);
}
break;
} else if (currentBatch.getStatus() == Status.RQ) {
log.info(
"Batch {} is not ready for delivery. It is currently scheduled for extraction",
currentBatch.getNodeBatchId());
break;
}
} else {
currentBatch.setStatus(Status.NE);
currentBatch.setExtractJobFlag(false);
}
} else {
processInfo.setStatus(ProcessInfo.Status.EXTRACTING);
currentBatch = extractOutgoingBatch(processInfo, targetNode, dataWriter,
currentBatch, streamToFileEnabled, true, mode);
}
if (streamToFileEnabled || mode == ExtractMode.FOR_PAYLOAD_CLIENT) {
processInfo.setStatus(ProcessInfo.Status.TRANSFERRING);
currentBatch = sendOutgoingBatch(processInfo, targetNode, currentBatch,
dataWriter, mode);
}
processedBatches.add(currentBatch);
if (currentBatch.getStatus() != Status.OK) {
currentBatch.setLoadCount(currentBatch.getLoadCount() + 1);
changeBatchStatus(Status.LD, currentBatch, mode);
bytesSentCount += currentBatch.getByteCount();
batchesSentCount++;
if (bytesSentCount >= maxBytesToSync && processedBatches.size() < activeBatches.size()) {
log.info(
"Reached the total byte threshold after {} of {} batches were extracted for node '{}'. The remaining batches will be extracted on a subsequent sync",
new Object[] { batchesSentCount, activeBatches.size(),
targetNode.getNodeId() });
break;
}
}
}
} catch (RuntimeException e) {
SQLException se = unwrapSqlException(e);
if (currentBatch != null) {
/* 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);
if (isStreamClosedByClient(e)) {
log.warn(
"Failed to transport batch {}. The stream was closed by the client. There is a good chance that a previously sent batch errored out and the stream was closed or there was a network error. The error was: {}",
currentBatch, getRootMessage(e));
} else {
if (e instanceof ProtocolException) {
IStagedResource resource = getStagedResource(currentBatch);
if (resource != null) {
resource.delete();
}
}
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);
}
}
// 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.setLastExtractTime(now.getTime());
configurationService.saveNodeChannelControl(nodeChannel, false);
}
}
return processedBatches;
} else {
return Collections.emptyList();
}
}
final protected boolean changeBatchStatus(Status status, OutgoingBatch currentBatch, ExtractMode mode) {
if (currentBatch.getStatus() != Status.IG) {
currentBatch.setStatus(status);
}
if (mode != ExtractMode.EXTRACT_ONLY) {
outgoingBatchService.updateOutgoingBatch(currentBatch);
return true;
} 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) {
Node sourceNode = nodeService.findIdentity();
TransformWriter transformExtractWriter = null;
if (useStagingDataWriter) {
long memoryThresholdInBytes = parameterService
.getLong(ParameterConstants.STREAM_TO_FILE_THRESHOLD);
transformExtractWriter = createTransformDataWriter(
sourceNode,
targetNode,
new ProcessInfoDataWriter(new StagingDataWriter(memoryThresholdInBytes, nodeService
.findIdentityNodeId(), Constants.STAGING_CATEGORY_OUTGOING,
stagingManager), processInfo));
} else {
transformExtractWriter = createTransformDataWriter(sourceNode, targetNode,
new ProcessInfoDataWriter(dataWriter, processInfo));
}
long ts = System.currentTimeMillis();
long extractTimeInMs = 0l;
long byteCount = 0l;
long transformTimeInMs = 0l;
if (currentBatch.getStatus() == Status.IG) {
Batch batch = new Batch(BatchType.EXTRACT, currentBatch.getBatchId(),
currentBatch.getChannelId(), symmetricDialect.getBinaryEncoding(),
sourceNode.getNodeId(), currentBatch.getNodeId(),
currentBatch.isCommonFlag());
batch.setIgnored(true);
try {
IStagedResource resource = getStagedResource(currentBatch);
if (resource != null) {
resource.delete();
}
DataContext ctx = new DataContext(batch);
ctx.put("targetNode", targetNode);
ctx.put("sourceNode", sourceNode);
transformExtractWriter.open(ctx);
transformExtractWriter.start(batch);
transformExtractWriter.end(batch, false);
} finally {
transformExtractWriter.close();
}
} else if (!isPreviouslyExtracted(currentBatch)) {
int maxPermits = parameterService.getInt(ParameterConstants.CONCURRENT_WORKERS);
String semaphoreKey = useStagingDataWriter ? Long.toString(currentBatch
.getBatchId()) : currentBatch.getNodeBatchId();
Semaphore lock = null;
try {
synchronized (locks) {
lock = locks.get(semaphoreKey);
if (lock == null) {
lock = new Semaphore(maxPermits);
locks.put(semaphoreKey, lock);
}
try {
lock.acquire();
} catch (InterruptedException e) {
throw new org.jumpmind.exception.InterruptedException(e);
}
}
synchronized (lock) {
if (!isPreviouslyExtracted(currentBatch)) {
currentBatch.setExtractCount(currentBatch.getExtractCount() + 1);
if (updateBatchStatistics) {
changeBatchStatus(Status.QY, currentBatch, mode);
}
currentBatch.resetStats();
IDataReader dataReader = new ExtractDataReader(
symmetricDialect.getPlatform(), new SelectFromSymDataSource(
currentBatch, sourceNode, targetNode, processInfo));
DataContext ctx = new DataContext();
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE, targetNode);
ctx.put(Constants.DATA_CONTEXT_SOURCE_NODE, sourceNode);
new DataProcessor(dataReader, transformExtractWriter, "extract").process(ctx);
extractTimeInMs = System.currentTimeMillis() - ts;
Statistics stats = transformExtractWriter.getNestedWriter()
.getStatistics().values().iterator().next();
transformTimeInMs = stats.get(DataWriterStatisticConstants.TRANSFORMMILLIS);
extractTimeInMs = extractTimeInMs - transformTimeInMs;
byteCount = stats.get(DataWriterStatisticConstants.BYTECOUNT);
}
}
} catch (RuntimeException ex) {
IStagedResource resource = getStagedResource(currentBatch);
if (resource != null) {
resource.close();
resource.delete();
}
throw ex;
} finally {
lock.release();
synchronized (locks) {
if (lock.availablePermits() == maxPermits) {
locks.remove(semaphoreKey);
}
}
}
}
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);
statisticManager.incrementDataBytesExtracted(currentBatch.getChannelId(),
byteCount);
statisticManager.incrementDataExtracted(currentBatch.getChannelId(),
currentBatch.getExtractCount());
}
}
}
return currentBatch;
}
protected IStagedResource getStagedResource(OutgoingBatch currentBatch) {
return stagingManager.find(Constants.STAGING_CATEGORY_OUTGOING,
currentBatch.getStagedLocation(), currentBatch.getBatchId());
}
protected boolean isPreviouslyExtracted(OutgoingBatch currentBatch) {
IStagedResource previouslyExtracted = getStagedResource(currentBatch);
if (previouslyExtracted != null && previouslyExtracted.exists()
&& previouslyExtracted.getState() != State.CREATE) {
if (log.isDebugEnabled()) {
log.debug("We have already extracted batch {}. Using the existing extraction: {}",
currentBatch.getBatchId(), previouslyExtracted);
}
return true;
} else {
return false;
}
}
protected OutgoingBatch sendOutgoingBatch(ProcessInfo processInfo, Node targetNode,
OutgoingBatch currentBatch, IDataWriter dataWriter, ExtractMode mode) {
if (currentBatch.getStatus() != Status.OK || ExtractMode.EXTRACT_ONLY == mode) {
currentBatch.setSentCount(currentBatch.getSentCount() + 1);
changeBatchStatus(Status.SE, currentBatch, mode);
long ts = System.currentTimeMillis();
IStagedResource extractedBatch = getStagedResource(currentBatch);
if (extractedBatch != null) {
IDataReader dataReader = new ProtocolDataReader(BatchType.EXTRACT,
currentBatch.getNodeId(), extractedBatch);
DataContext ctx = new DataContext();
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE, targetNode);
ctx.put(Constants.DATA_CONTEXT_SOURCE_NODE, nodeService.findIdentity());
new DataProcessor(dataReader, new ProcessInfoDataWriter(dataWriter, processInfo), "send from stage")
.process(ctx);
if (dataWriter.getStatistics().size() > 0) {
Statistics stats = dataWriter.getStatistics().values().iterator().next();
statisticManager.incrementDataSent(currentBatch.getChannelId(),
stats.get(DataWriterStatisticConstants.STATEMENTCOUNT));
long byteCount = stats.get(DataWriterStatisticConstants.BYTECOUNT);
statisticManager.incrementDataBytesSent(currentBatch.getChannelId(), byteCount);
} else {
log.warn("Could not find recorded statistics for batch {}",
currentBatch.getNodeBatchId());
}
} else {
throw new IllegalStateException(String.format(
"Could not find the staged resource for batch %s",
currentBatch.getNodeBatchId()));
}
currentBatch = requeryIfEnoughTimeHasPassed(ts, currentBatch);
}
return currentBatch;
}
public boolean extractBatchRange(Writer writer, String nodeId, long startBatchId,
long endBatchId) {
boolean foundBatch = false;
Node sourceNode = nodeService.findIdentity();
for (long batchId = startBatchId; batchId <= endBatchId; batchId++) {
OutgoingBatch batch = outgoingBatchService.findOutgoingBatch(batchId, nodeId);
if (batch != null) {
Node targetNode = nodeService.findNode(nodeId);
if (targetNode == null && Constants.UNROUTED_NODE_ID.equals(nodeId)) {
targetNode = new Node();
targetNode.setNodeId("-1");
}
if (targetNode != null) {
IDataReader dataReader = new ExtractDataReader(symmetricDialect.getPlatform(),
new SelectFromSymDataSource(batch, sourceNode, targetNode, new ProcessInfo()));
DataContext ctx = new DataContext();
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE, targetNode);
ctx.put(Constants.DATA_CONTEXT_SOURCE_NODE, nodeService.findIdentity());
new DataProcessor(dataReader, createTransformDataWriter(
nodeService.findIdentity(), targetNode,
new ProtocolDataWriter(nodeService.findIdentityNodeId(), writer,
targetNode.requires13Compatiblity())), "extract range").process(ctx);
foundBatch = true;
}
}
}
return foundBatch;
}
public boolean extractBatchRange(Writer writer, String nodeId, Date startBatchTime,
Date endBatchTime, String... channelIds) {
boolean foundBatch = false;
Node sourceNode = nodeService.findIdentity();
OutgoingBatches batches = outgoingBatchService.getOutgoingBatchRange(nodeId,
startBatchTime, endBatchTime, channelIds);
List<OutgoingBatch> list = batches.getBatches();
for (OutgoingBatch outgoingBatch : list) {
Node targetNode = nodeService.findNode(nodeId);
if (targetNode == null && Constants.UNROUTED_NODE_ID.equals(nodeId)) {
targetNode = new Node();
targetNode.setNodeId("-1");
}
if (targetNode != null) {
IDataReader dataReader = new ExtractDataReader(symmetricDialect.getPlatform(),
new SelectFromSymDataSource(outgoingBatch, sourceNode, targetNode, new ProcessInfo()));
DataContext ctx = new DataContext();
ctx.put(Constants.DATA_CONTEXT_TARGET_NODE, targetNode);
ctx.put(Constants.DATA_CONTEXT_SOURCE_NODE, nodeService.findIdentity());
new DataProcessor(dataReader, createTransformDataWriter(nodeService.findIdentity(),
targetNode, new ProtocolDataWriter(nodeService.findIdentityNodeId(),
writer, targetNode.requires13Compatiblity())), "extract range").process(ctx);
foundBatch = true;
}
}
return foundBatch;
}
protected TransformWriter createTransformDataWriter(Node identity, Node targetNode,
IDataWriter extractWriter) {
List<TransformTableNodeGroupLink> transformsList = null;
if (targetNode != null) {
transformsList = transformService.findTransformsFor(
new NodeGroupLink(identity.getNodeGroupId(), targetNode.getNodeGroupId()),
TransformPoint.EXTRACT, true);
}
TransformTable[] transforms = transformsList != null ? transformsList
.toArray(new TransformTable[transformsList.size()]) : null;
TransformWriter transformExtractWriter = new TransformWriter(
symmetricDialect.getPlatform(), TransformPoint.EXTRACT, extractWriter,
transformService.getColumnTransforms(), transforms);
return transformExtractWriter;
}
protected Table lookupAndOrderColumnsAccordingToTriggerHistory(String routerId,
TriggerHistory triggerHistory, boolean setTargetTableName, boolean useDatabaseDefinition) {
String catalogName = triggerHistory.getSourceCatalogName();
String schemaName = triggerHistory.getSourceSchemaName();
String tableName = triggerHistory.getSourceTableName();
Table table = null;
if (useDatabaseDefinition) {
table = platform.getTableFromCache(catalogName, schemaName, tableName, false);
if (table != null && table.getColumnCount() < triggerHistory.getParsedColumnNames().length) {
/*
* If the column count is less than what trigger history reports, then
* chances are the table cache is out of date.
*/
table = platform.getTableFromCache(catalogName, schemaName, tableName, true);
}
if (table != null) {
table = table.copyAndFilterColumns(triggerHistory.getParsedColumnNames(),
triggerHistory.getParsedPkColumnNames(), true);
} else {
throw new SymmetricException("Could not find the following table. It might have been dropped: %s", Table.getFullyQualifiedTableName(catalogName, schemaName, tableName));
}
} else {
table = new Table(tableName);
table.addColumns(triggerHistory.getParsedColumnNames());
table.setPrimaryKeys(triggerHistory.getParsedPkColumnNames());
}
Router router = triggerRouterService.getRouterById(routerId, false);
if (router != null && router.isUseSourceCatalogSchema()) {
table.setCatalog(catalogName);
table.setSchema(schemaName);
} else {
table.setCatalog(null);
table.setSchema(null);
}
if (router != null && setTargetTableName) {
if (StringUtils.equals(Constants.NONE_TOKEN, router.getTargetCatalogName())) {
table.setCatalog(null);
} else if (StringUtils.isNotBlank(router.getTargetCatalogName())) {
table.setCatalog(router.getTargetCatalogName());
}
if (StringUtils.equals(Constants.NONE_TOKEN, router.getTargetSchemaName())) {
table.setSchema(null);
} else if (StringUtils.isNotBlank(router.getTargetSchemaName())) {
table.setSchema(router.getTargetSchemaName());
}
if (StringUtils.isNotBlank(router.getTargetTableName())) {
table.setName(router.getTargetTableName());
}
}
return table;
}
public RemoteNodeStatuses queueWork(boolean force) {
final RemoteNodeStatuses statuses = new RemoteNodeStatuses(configurationService.getChannels(false));
Node identity = nodeService.findIdentity();
if (identity != null) {
if (force || clusterService.lock(ClusterConstants.INITIAL_LOAD_EXTRACT)) {
try {
List<String> nodeIds = getExtractRequestNodes();
for (String nodeId : nodeIds) {
queue(nodeId, statuses);
}
} finally {
if (!force) {
clusterService.unlock(ClusterConstants.INITIAL_LOAD_EXTRACT);
}
}
}
} else {
log.debug("Not running initial load extract service because this node does not have an identity");
}
return statuses;
}
protected void queue(String nodeId, RemoteNodeStatuses statuses) {
final NodeCommunication.CommunicationType TYPE = NodeCommunication.CommunicationType.EXTRACT;
int availableThreads = nodeCommunicationService.getAvailableThreads(TYPE);
NodeCommunication lock = nodeCommunicationService.find(nodeId, TYPE);
if (availableThreads > 0) {
nodeCommunicationService.execute(lock, statuses, this);
}
}