/
TriggerRouterService.java
1012 lines (891 loc) · 50 KB
/
TriggerRouterService.java
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/*
* SymmetricDS is an open source database synchronization solution.
*
* Copyright (C) Chris Henson <chenson42@users.sourceforge.net>
* Eric Long <erilong@users.sourceforge.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*/
package org.jumpmind.symmetric.service.impl;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.TreeSet;
import org.apache.commons.lang.StringUtils;
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.config.ITriggerCreationListener;
import org.jumpmind.symmetric.config.TriggerFailureListener;
import org.jumpmind.symmetric.config.TriggerSelector;
import org.jumpmind.symmetric.ddl.model.Table;
import org.jumpmind.symmetric.model.DataEventType;
import org.jumpmind.symmetric.model.NodeGroupLink;
import org.jumpmind.symmetric.model.NodeGroupLinkAction;
import org.jumpmind.symmetric.model.Router;
import org.jumpmind.symmetric.model.Trigger;
import org.jumpmind.symmetric.model.TriggerHistory;
import org.jumpmind.symmetric.model.TriggerReBuildReason;
import org.jumpmind.symmetric.model.TriggerRouter;
import org.jumpmind.symmetric.service.ClusterConstants;
import org.jumpmind.symmetric.service.IClusterService;
import org.jumpmind.symmetric.service.IConfigurationService;
import org.jumpmind.symmetric.service.ITriggerRouterService;
import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.jdbc.core.RowMapper;
public class TriggerRouterService extends AbstractService implements ITriggerRouterService {
private Map<String, List<String>> rootConfigChannelTableNames;
private Map<String, Map<String, String>> rootConfigChannelInitialLoadSelect;
private IClusterService clusterService;
private IConfigurationService configurationService;
private Map<String, TriggerRoutersCache> triggerRouterCacheByNodeGroupId = new HashMap<String, TriggerRoutersCache>();
private long triggerRouterCacheTime;
private List<ITriggerCreationListener> triggerCreationListeners;
private TriggerFailureListener failureListener = new TriggerFailureListener();
/**
* Cache the history for performance. History never changes and does not
* grow big so this should be OK.
*/
private HashMap<Integer, TriggerHistory> historyMap = new HashMap<Integer, TriggerHistory>();
public TriggerRouterService() {
this.addTriggerCreationListeners(this.failureListener);
}
public void inactivateTriggerHistory(TriggerHistory history) {
jdbcTemplate.update(getSql("inactivateTriggerHistorySql"), new Object[] { history
.getTriggerHistoryId() });
}
public Map<Long, TriggerHistory> getHistoryRecords() {
final Map<Long, TriggerHistory> retMap = new HashMap<Long, TriggerHistory>();
jdbcTemplate.query(getSql("allTriggerHistSql"), new TriggerHistoryMapper(retMap));
return retMap;
}
protected boolean isTriggerNameInUse(String triggerId, String triggerName) {
return jdbcTemplate.queryForInt(getSql("selectTriggerNameInUseSql"), triggerName,
triggerName, triggerName, triggerId) > 0;
}
public TriggerHistory findTriggerHistory(String sourceTableName) {
final Map<Long, TriggerHistory> retMap = new HashMap<Long, TriggerHistory>();
jdbcTemplate.query(String.format("%s%s", getSql("allTriggerHistSql"),
getSql("triggerHistBySourceTableWhereSql")), new Object[] { sourceTableName },
new int[] { Types.VARCHAR }, new TriggerHistoryMapper(retMap));
if (retMap.size() > 0) {
return retMap.values().iterator().next();
} else {
return null;
}
}
public TriggerHistory getTriggerHistory(int histId) {
TriggerHistory history = historyMap.get(histId);
if (history == null && histId >= 0) {
try {
history = (TriggerHistory) jdbcTemplate.queryForObject(getSql("triggerHistSql"),
new Object[] { histId }, new TriggerHistoryMapper());
historyMap.put(histId, history);
} catch (EmptyResultDataAccessException ex) {
}
}
return history;
}
public TriggerHistory getNewestTriggerHistoryForTrigger(String triggerId) {
try {
return (TriggerHistory) jdbcTemplate.queryForObject(getSql("latestTriggerHistSql"),
new Object[] { triggerId }, new TriggerHistoryMapper());
} catch (EmptyResultDataAccessException ex) {
return null;
}
}
/**
* Get a list of trigger histories that need to be inactivated.
*/
protected List<TriggerHistory> getActiveTriggerHistoriesForInactivation() {
List<TriggerHistory> hists = jdbcTemplate.query(getSql("allTriggerHistSql")
+ getSql("inactiveTriggerHistoryWhereSql"), new Object[] {parameterService.getNodeGroupId()}, new TriggerHistoryMapper());
for (Iterator<TriggerHistory> iterator = hists.iterator(); iterator.hasNext();) {
TriggerHistory triggerHistory = iterator.next();
if (triggerHistory.getSourceTableName().toLowerCase().startsWith(tablePrefix + "_")) {
iterator.remove();
}
}
return hists;
}
private String getNewestVersionOfRootConfigChannelTableNames() {
TreeSet<String> ordered = new TreeSet<String>(rootConfigChannelTableNames.keySet());
return ordered.last();
}
private String getMajorVersion(String version) {
String majorVersion = Integer.toString(Version.parseVersion(version)[0]);
List<String> tables = rootConfigChannelTableNames.get(majorVersion);
if (tables == null) {
String newestVersion = getNewestVersionOfRootConfigChannelTableNames();
log.warn("TriggersDefaultVersionWarning", newestVersion, majorVersion);
majorVersion = newestVersion;
}
return majorVersion;
}
public List<TriggerRouter> getTriggerRoutersForRegistration(String version,
String sourceGroupId, String targetGroupId) {
int initialLoadOrder = 1;
String majorVersion = getMajorVersion(version);
List<String> tables = rootConfigChannelTableNames.get(majorVersion);
List<TriggerRouter> triggers = new ArrayList<TriggerRouter>(tables.size());
for (int j = 0; j < tables.size(); j++) {
String tableName = tables.get(j);
boolean syncChanges = !TableConstants.getNodeTablesAsSet(tablePrefix).contains(
tableName);
TriggerRouter trigger = buildRegistrationTriggerRouter(version, tableName, syncChanges,
sourceGroupId, targetGroupId);
trigger.setInitialLoadOrder(initialLoadOrder++);
String initialLoadSelect = rootConfigChannelInitialLoadSelect.get(majorVersion).get(
tableName);
trigger.setInitialLoadSelect(initialLoadSelect);
if (tableName.equalsIgnoreCase(TableConstants.getTableName(tablePrefix,
TableConstants.SYM_TRIGGER))) {
trigger.getRouter().setRouterType("trigger");
}
triggers.add(trigger);
}
return triggers;
}
protected TriggerRouter buildRegistrationTriggerRouter(String version, String tableName,
boolean syncChanges, String sourceGroupId, String targetGroupId) {
String majorVersion = getMajorVersion(version);
boolean autoSyncConfig = parameterService.is(ParameterConstants.AUTO_SYNC_CONFIGURATION);
TriggerRouter triggerRouter = new TriggerRouter();
triggerRouter.setInitialLoadSelect(rootConfigChannelInitialLoadSelect.get(majorVersion)
.get(tableName));
Trigger trigger = triggerRouter.getTrigger();
trigger.setTriggerId(Integer.toString(Math.abs(tableName.hashCode())));
trigger.setSyncOnDelete(syncChanges && autoSyncConfig);
trigger.setSyncOnInsert(syncChanges && autoSyncConfig);
trigger.setSyncOnUpdate(syncChanges && autoSyncConfig);
trigger.setSyncOnIncomingBatch(true);
trigger.setSourceTableName(tableName);
trigger.setChannelId(Constants.CHANNEL_CONFIG);
Router router = triggerRouter.getRouter();
router.setSourceNodeGroupId(sourceGroupId);
router.setTargetNodeGroupId(targetGroupId);
// little trick to force the rebuild of SymmetricDS triggers every time
// there is a new version of SymmetricDS
trigger.setLastUpdateTime(new Date(Version.version().hashCode()));
router.setLastUpdateTime(trigger.getLastUpdateTime());
triggerRouter.setLastUpdateTime(trigger.getLastUpdateTime());
return triggerRouter;
}
private String getTriggerRouterSqlPrefix() {
return getSql("selectTriggerRouterPrefixSql");
}
public TriggerRouter getTriggerRouterForTableForCurrentNode(String catalogName, String schemaName, String tableName, boolean refreshCache) {
return getTriggerRouterForTableForCurrentNode(null, catalogName, schemaName, tableName, refreshCache);
}
public TriggerRouter getTriggerRouterForTableForCurrentNode(NodeGroupLink link, String catalogName, String schemaName, String tableName, boolean refreshCache) {
TriggerRoutersCache cache = getTriggerRoutersCacheForCurrentNode(refreshCache);
Collection<List<TriggerRouter>> triggerRouters = cache.triggerRoutersByTriggerId.values();
for (List<TriggerRouter> list : triggerRouters) {
for (TriggerRouter triggerRouter : list) {
if (isMatch(link, triggerRouter) &&
isMatch(catalogName, schemaName, tableName, triggerRouter.getTrigger())) {
return triggerRouter;
}
}
}
return null;
}
protected boolean isMatch(NodeGroupLink link, TriggerRouter router) {
if (link != null && router != null && router.getRouter() != null) {
return link.getSourceNodeGroupId().equals(router.getRouter().getSourceNodeGroupId()) && link.getTargetNodeGroupId().equals(router.getRouter().getTargetNodeGroupId());
} else {
return true;
}
}
protected boolean isMatch(String catalogName, String schemaName, String tableName,
Trigger trigger) {
if (!StringUtils.isBlank(tableName) && !tableName.equals(trigger.getSourceTableName())) {
return false;
} else if (StringUtils.isBlank(tableName)
&& !StringUtils.isBlank(trigger.getSourceTableName())) {
return false;
} else if (!StringUtils.isBlank(catalogName)
&& !catalogName.equals(trigger.getSourceCatalogName())) {
return false;
} else if (StringUtils.isBlank(catalogName)
&& !StringUtils.isBlank(trigger.getSourceCatalogName())) {
return false;
} else if (!StringUtils.isBlank(schemaName)
&& !schemaName.equals(trigger.getSourceSchemaName())) {
return false;
} else if (StringUtils.isBlank(schemaName)
&& !StringUtils.isBlank(trigger.getSourceSchemaName())) {
return false;
} else {
return true;
}
}
/**
* Create a list of {@link TriggerRouter} for the SymmetricDS tables that
* should have triggers created for them on the current node.
*/
protected List<TriggerRouter> getConfigurationTablesTriggerRoutersForCurrentNode(
String sourceNodeGroupId) {
List<TriggerRouter> triggers = new ArrayList<TriggerRouter>();
List<NodeGroupLink> links = configurationService.getGroupLinksFor(sourceNodeGroupId);
for (NodeGroupLink nodeGroupLink : links) {
if (nodeGroupLink.getDataEventAction().equals(NodeGroupLinkAction.W)) {
triggers.addAll(getTriggerRoutersForRegistration(Version.version(), nodeGroupLink
.getSourceNodeGroupId(), nodeGroupLink.getTargetNodeGroupId()));
} else if (nodeGroupLink.getDataEventAction().equals(NodeGroupLinkAction.P)) {
triggers.add(buildRegistrationTriggerRouter(Version.version(), TableConstants
.getTableName(tablePrefix, TableConstants.SYM_NODE), false, nodeGroupLink
.getSourceNodeGroupId(), nodeGroupLink.getTargetNodeGroupId()));
log.debug("TriggerHistCreating", TableConstants.getTableName(tablePrefix,
TableConstants.SYM_NODE));
triggers
.add(buildRegistrationTriggerRouter(Version.version(), TableConstants
.getTableName(tablePrefix, TableConstants.SYM_NODE_HOST), true,
nodeGroupLink.getSourceNodeGroupId(), nodeGroupLink
.getTargetNodeGroupId()));
log.debug("TriggerHistCreating", TableConstants.getTableName(tablePrefix,
TableConstants.SYM_NODE_HOST));
} else {
log.warn("TriggerConfigurationCreatingFailed", sourceNodeGroupId, nodeGroupLink
.getDataEventAction());
}
}
return triggers;
}
protected void mergeInConfigurationTablesTriggerRoutersForCurrentNode(String sourceNodeGroupId,
List<TriggerRouter> configuredInDatabase) {
List<TriggerRouter> virtualConfigTriggers = getConfigurationTablesTriggerRoutersForCurrentNode(sourceNodeGroupId);
for (TriggerRouter trigger : virtualConfigTriggers) {
if (trigger.getRouter().getSourceNodeGroupId().equalsIgnoreCase(sourceNodeGroupId)
&& !doesTriggerRouterExistInList(configuredInDatabase, trigger)) {
configuredInDatabase.add(trigger);
}
}
}
protected boolean doesTriggerRouterExistInList(List<TriggerRouter> triggerRouters,
TriggerRouter triggerRouter) {
for (TriggerRouter checkMe : triggerRouters) {
if (checkMe.isSame(triggerRouter)) {
return true;
}
}
return false;
}
public Map<String, List<TriggerRouter>> getTriggerRoutersForCurrentNode(
boolean refreshCache) {
return getTriggerRoutersCacheForCurrentNode(refreshCache).triggerRoutersByTriggerId;
}
protected TriggerRoutersCache getTriggerRoutersCacheForCurrentNode(
boolean refreshCache) {
String myNodeGroupId = parameterService.getNodeGroupId();
long triggerRouterCacheTimeoutInMs = parameterService.getLong(ParameterConstants.CACHE_TIMEOUT_TRIGGER_ROUTER_IN_MS);
if (System.currentTimeMillis()-this.triggerRouterCacheTime > triggerRouterCacheTimeoutInMs) {
resetTriggerRouterCacheByNodeGroupId();
}
if (!triggerRouterCacheByNodeGroupId.containsKey(myNodeGroupId) || refreshCache ) {
synchronized (this) {
List<TriggerRouter> triggerRouters = getAllTriggerRoutersForCurrentNode(myNodeGroupId);
Map<String, List<TriggerRouter>> triggerRoutersByTriggerId = new HashMap<String, List<TriggerRouter>>(
triggerRouters.size());
Map<String, Router> routers = new HashMap<String, Router>(triggerRouters.size());
for (TriggerRouter triggerRouter : triggerRouters) {
String triggerId = triggerRouter.getTrigger().getTriggerId();
List<TriggerRouter> list = triggerRoutersByTriggerId.get(triggerId);
if (list == null) {
list = new ArrayList<TriggerRouter>();
triggerRoutersByTriggerId.put(triggerId, list);
}
list.add(triggerRouter);
routers.put(triggerRouter.getRouter().getRouterId(), triggerRouter.getRouter());
}
triggerRouterCacheByNodeGroupId.put(myNodeGroupId, new TriggerRoutersCache(
triggerRoutersByTriggerId, routers));
}
}
return triggerRouterCacheByNodeGroupId.get(myNodeGroupId);
}
/**
* @see ITriggerRouterService#getActiveRouterByIdForCurrentNode(String, boolean)
*/
public Router getActiveRouterByIdForCurrentNode(String routerId, boolean refreshCache) {
return getTriggerRoutersCacheForCurrentNode(refreshCache).routersByRouterId
.get(routerId);
}
public Router getRouterById(String routerId) {
try {
return jdbcTemplate.queryForObject(getSql("selectRouterSql"), new RouterMapper(), routerId);
} catch (EmptyResultDataAccessException ex) {
return null;
}
}
public List<TriggerRouter> getAllTriggerRoutersForCurrentNode(String sourceNodeGroupId) {
List<TriggerRouter> triggers = (List<TriggerRouter>) jdbcTemplate.query(
getTriggerRouterSqlPrefix() + getSql("activeTriggersForSourceNodeGroupSql"),
new Object[] { sourceNodeGroupId }, new TriggerRouterMapper());
mergeInConfigurationTablesTriggerRoutersForCurrentNode(sourceNodeGroupId, triggers);
return triggers;
}
public List<TriggerRouter> getAllTriggerRoutersForReloadForCurrentNode(
String sourceNodeGroupId, String targetNodeGroupId) {
return (List<TriggerRouter>) jdbcTemplate.query(getTriggerRouterSqlPrefix()
+ getSql("activeTriggersForReloadSql"), new Object[] { sourceNodeGroupId,
targetNodeGroupId, Constants.CHANNEL_CONFIG }, new TriggerRouterMapper());
}
public TriggerRouter findTriggerRouterById(String triggerId, String routerId) {
List<TriggerRouter> configs = (List<TriggerRouter>) jdbcTemplate.query(
getTriggerRouterSqlPrefix() + getSql("selectTriggerRouterSql"), new Object[] {
triggerId, routerId }, new TriggerRouterMapper());
if (configs.size() > 0) {
return configs.get(0);
} else {
return null;
}
}
public Trigger getTriggerById(String triggerId) {
List<TriggerRouter> triggers = (List<TriggerRouter>) jdbcTemplate.query(
getTriggerRouterSqlPrefix() + getSql("selectTriggerByIdSql"),
new Object[] { triggerId }, new TriggerRouterMapper());
if (triggers.size() > 0) {
return triggers.get(0).getTrigger();
} else {
return null;
}
}
public Map<String, List<TriggerRouter>> getTriggerRoutersByChannel(String nodeGroupId) {
final Map<String, List<TriggerRouter>> retMap = new HashMap<String, List<TriggerRouter>>();
jdbcTemplate.query(getTriggerRouterSqlPrefix() + getSql("selectGroupTriggersSql"),
new Object[] { nodeGroupId }, new TriggerRouterMapper() {
public TriggerRouter mapRow(java.sql.ResultSet rs, int arg1)
throws java.sql.SQLException {
TriggerRouter config = (TriggerRouter) super.mapRow(rs, arg1);
List<TriggerRouter> list = retMap.get(config.getTrigger().getChannelId());
if (list == null) {
list = new ArrayList<TriggerRouter>();
retMap.put(config.getTrigger().getChannelId(), list);
}
list.add(config);
return config;
};
});
return retMap;
}
public void insert(TriggerHistory newHistRecord) {
jdbcTemplate.update(getSql("insertTriggerHistorySql"), new Object[] {
newHistRecord.getTriggerId(), newHistRecord.getSourceTableName(),
newHistRecord.getTableHash(), newHistRecord.getCreateTime(),
newHistRecord.getColumnNames(), newHistRecord.getPkColumnNames(),
newHistRecord.getLastTriggerBuildReason().getCode(),
newHistRecord.getNameForDeleteTrigger(), newHistRecord.getNameForInsertTrigger(),
newHistRecord.getNameForUpdateTrigger(), newHistRecord.getSourceSchemaName(),
newHistRecord.getSourceCatalogName(), newHistRecord.getTriggerRowHash() },
new int[] { Types.VARCHAR, Types.VARCHAR, Types.BIGINT, Types.TIMESTAMP,
Types.VARCHAR, Types.VARCHAR, Types.CHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.BIGINT });
}
public void saveTriggerRouter(TriggerRouter triggerRouter) {
saveTrigger(triggerRouter.getTrigger());
saveRouter(triggerRouter.getRouter());
triggerRouter.setLastUpdateTime(new Date());
if (0 == jdbcTemplate.update(getSql("updateTriggerRouterSql"),
new Object[] { triggerRouter.getInitialLoadOrder(),
triggerRouter.getInitialLoadSelect(),
triggerRouter.isPingBackEnabled() ? 1 : 0,
triggerRouter.getLastUpdateBy(),
triggerRouter.getLastUpdateTime(),
triggerRouter.getTrigger().getTriggerId(),
triggerRouter.getRouter().getRouterId() },
new int[] { Types.INTEGER, Types.VARCHAR, Types.SMALLINT, Types.VARCHAR, Types.TIMESTAMP,
Types.VARCHAR, Types.VARCHAR })) {
triggerRouter.setCreateTime(triggerRouter.getLastUpdateTime());
jdbcTemplate.update(getSql("insertTriggerRouterSql"), new Object[] {
triggerRouter.getInitialLoadOrder(), triggerRouter.getInitialLoadSelect(),
triggerRouter.isPingBackEnabled() ? 1 : 0,
triggerRouter.getCreateTime(), triggerRouter.getLastUpdateBy(),
triggerRouter.getLastUpdateTime(), triggerRouter.getTrigger().getTriggerId(),
triggerRouter.getRouter().getRouterId() }, new int[] { Types.INTEGER,
Types.VARCHAR, Types.SMALLINT, Types.TIMESTAMP, Types.VARCHAR, Types.TIMESTAMP, Types.VARCHAR,
Types.VARCHAR });
}
}
synchronized protected void resetTriggerRouterCacheByNodeGroupId() {
triggerRouterCacheByNodeGroupId.clear();
triggerRouterCacheTime = System.currentTimeMillis();
}
public void saveRouter(Router router) {
router.setLastUpdateTime(new Date());
if (0 == jdbcTemplate.update(getSql("updateRouterSql"), new Object[] {
router.getTargetCatalogName(), router.getTargetSchemaName(),
router.getTargetTableName(), router.getSourceNodeGroupId(),
router.getTargetNodeGroupId(), router.getRouterType(),
router.getRouterExpression(), router.isSyncOnUpdate() ? 1 : 0,
router.isSyncOnInsert() ? 1 : 0, router.isSyncOnDelete() ? 1 : 0,
router.getLastUpdateBy(), router.getLastUpdateTime(), router.getRouterId() },
new int[] { Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.SMALLINT,
Types.SMALLINT, Types.SMALLINT, Types.VARCHAR, Types.TIMESTAMP,
Types.VARCHAR })) {
router.setCreateTime(router.getLastUpdateTime());
jdbcTemplate.update(getSql("insertRouterSql"), new Object[] {
router.getTargetCatalogName(), router.getTargetSchemaName(),
router.getTargetTableName(), router.getSourceNodeGroupId(),
router.getTargetNodeGroupId(), router.getRouterType(),
router.getRouterExpression(), router.isSyncOnUpdate() ? 1 : 0,
router.isSyncOnInsert() ? 1 : 0, router.isSyncOnDelete() ? 1 : 0,
router.getCreateTime(), router.getLastUpdateBy(), router.getLastUpdateTime(),
router.getRouterId() }, new int[] { Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.SMALLINT, Types.SMALLINT, Types.SMALLINT, Types.TIMESTAMP, Types.VARCHAR,
Types.TIMESTAMP, Types.VARCHAR });
}
resetTriggerRouterCacheByNodeGroupId();
}
public void saveTrigger(Trigger trigger) {
trigger.setLastUpdateTime(new Date());
if (0 == jdbcTemplate.update(getSql("updateTriggerSql"), new Object[] {
trigger.getSourceCatalogName(), trigger.getSourceSchemaName(),
trigger.getSourceTableName(), trigger.getChannelId(),
trigger.isSyncOnUpdate() ? 1 : 0, trigger.isSyncOnInsert() ? 1 : 0,
trigger.isSyncOnDelete() ? 1 : 0, trigger.isSyncOnIncomingBatch() ? 1 : 0,
trigger.getNameForUpdateTrigger(), trigger.getNameForInsertTrigger(),
trigger.getNameForDeleteTrigger(), trigger.getSyncOnUpdateCondition(),
trigger.getSyncOnInsertCondition(), trigger.getSyncOnDeleteCondition(),
trigger.getTxIdExpression(), trigger.getExcludedColumnNames(),
trigger.getLastUpdateBy(), trigger.getLastUpdateTime(),
trigger.getExternalSelect(), trigger.getTriggerId() }, new int[] { Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.SMALLINT, Types.SMALLINT,
Types.SMALLINT, Types.SMALLINT, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.TIMESTAMP, Types.VARCHAR, Types.VARCHAR })) {
trigger.setCreateTime(trigger.getLastUpdateTime());
jdbcTemplate.update(getSql("insertTriggerSql"), new Object[] {
trigger.getSourceCatalogName(), trigger.getSourceSchemaName(),
trigger.getSourceTableName(), trigger.getChannelId(),
trigger.isSyncOnUpdate() ? 1 : 0, trigger.isSyncOnInsert() ? 1 : 0,
trigger.isSyncOnDelete() ? 1 : 0, trigger.isSyncOnIncomingBatch() ? 1 : 0,
trigger.getNameForUpdateTrigger(), trigger.getNameForInsertTrigger(),
trigger.getNameForDeleteTrigger(), trigger.getSyncOnUpdateCondition(),
trigger.getSyncOnInsertCondition(), trigger.getSyncOnDeleteCondition(),
trigger.getTxIdExpression(), trigger.getExcludedColumnNames(),
trigger.getCreateTime(), trigger.getLastUpdateBy(),
trigger.getLastUpdateTime(), trigger.getExternalSelect(),
trigger.getTriggerId() }, new int[] { Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.SMALLINT, Types.SMALLINT, Types.SMALLINT,
Types.SMALLINT, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR,
Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.TIMESTAMP,
Types.VARCHAR, Types.TIMESTAMP, Types.VARCHAR, Types.VARCHAR });
}
}
public void syncTriggers() {
syncTriggers(null, false);
}
public void syncTriggers(StringBuilder sqlBuffer, boolean gen_always) {
if (clusterService.lock(ClusterConstants.SYNCTRIGGERS)) {
synchronized (this) {
try {
log.info("TriggersSynchronizing");
// make sure channels are read from the database
configurationService.reloadChannels();
inactivateTriggers(sqlBuffer);
updateOrCreateDatabaseTriggers(sqlBuffer, gen_always);
resetTriggerRouterCacheByNodeGroupId();
} finally {
clusterService.unlock(ClusterConstants.SYNCTRIGGERS);
log.info("TriggersSynchronized");
}
}
} else {
log.info("TriggersSynchronizingFailedLock");
}
}
protected void inactivateTriggers(StringBuilder sqlBuffer) {
List<TriggerHistory> triggers = getActiveTriggerHistoriesForInactivation();
for (TriggerHistory history : triggers) {
log.info("TriggersRemoving", history.getSourceTableName());
dbDialect.removeTrigger(sqlBuffer, history.getSourceCatalogName(), history
.getSourceSchemaName(), history.getNameForInsertTrigger(), history
.getSourceTableName(), history);
dbDialect.removeTrigger(sqlBuffer, history.getSourceCatalogName(), history
.getSourceSchemaName(), history.getNameForDeleteTrigger(), history
.getSourceTableName(), history);
dbDialect.removeTrigger(sqlBuffer, history.getSourceCatalogName(), history
.getSourceSchemaName(), history.getNameForUpdateTrigger(), history
.getSourceTableName(), history);
if (parameterService.is(ParameterConstants.AUTO_SYNC_TRIGGERS)) {
if (this.triggerCreationListeners != null) {
for (ITriggerCreationListener l : this.triggerCreationListeners) {
l.triggerInactivated(null, history);
}
}
}
boolean triggerExists = dbDialect.doesTriggerExist(history.getSourceCatalogName(),
history.getSourceSchemaName(), history.getSourceTableName(), history
.getNameForInsertTrigger());
triggerExists |= dbDialect.doesTriggerExist(history.getSourceCatalogName(), history
.getSourceSchemaName(), history.getSourceTableName(), history
.getNameForUpdateTrigger());
triggerExists |= dbDialect.doesTriggerExist(history.getSourceCatalogName(), history
.getSourceSchemaName(), history.getSourceTableName(), history
.getNameForDeleteTrigger());
if (triggerExists) {
log.warn("TriggersRemovingFailed", history.getTriggerId(), history
.getTriggerHistoryId());
} else {
inactivateTriggerHistory(history);
}
}
}
protected List<TriggerRouter> toList(Collection<List<TriggerRouter>> source) {
ArrayList<TriggerRouter> list = new ArrayList<TriggerRouter>();
for (List<TriggerRouter> triggerRouters : source) {
for (TriggerRouter triggerRouter : triggerRouters) {
list.add(triggerRouter);
}
}
return list;
}
protected void updateOrCreateDatabaseTriggers(StringBuilder sqlBuffer, boolean gen_always) {
List<Trigger> triggers = new TriggerSelector(toList(getTriggerRoutersForCurrentNode(
true).values()))
.select();
for (Trigger trigger : triggers) {
try {
TriggerReBuildReason reason = TriggerReBuildReason.NEW_TRIGGERS;
Table table = dbDialect.getTable(trigger.getSourceCatalogName(), trigger
.getSourceSchemaName(), trigger.getSourceTableName(), false);
if (table != null) {
TriggerHistory latestHistoryBeforeRebuild = getNewestTriggerHistoryForTrigger(trigger
.getTriggerId());
boolean forceRebuildOfTriggers = false;
if (latestHistoryBeforeRebuild == null) {
reason = TriggerReBuildReason.NEW_TRIGGERS;
forceRebuildOfTriggers = true;
} else if (TriggerHistory.calculateTableHashFor(table) != latestHistoryBeforeRebuild
.getTableHash()) {
reason = TriggerReBuildReason.TABLE_SCHEMA_CHANGED;
forceRebuildOfTriggers = true;
} else if (trigger.hasChangedSinceLastTriggerBuild(latestHistoryBeforeRebuild
.getCreateTime())
|| trigger.toHashedValue() != latestHistoryBeforeRebuild
.getTriggerRowHash()) {
reason = TriggerReBuildReason.TABLE_SYNC_CONFIGURATION_CHANGED;
forceRebuildOfTriggers = true;
} else if (gen_always) {
reason = TriggerReBuildReason.FORCED;
forceRebuildOfTriggers = true;
}
TriggerHistory newestHistory = rebuildTriggerIfNecessary(sqlBuffer,
forceRebuildOfTriggers, trigger, DataEventType.INSERT, reason,
latestHistoryBeforeRebuild, null, trigger.isSyncOnInsert(), table);
newestHistory = rebuildTriggerIfNecessary(sqlBuffer, forceRebuildOfTriggers,
trigger, DataEventType.UPDATE, reason, latestHistoryBeforeRebuild,
newestHistory, trigger.isSyncOnUpdate(), table);
newestHistory = rebuildTriggerIfNecessary(sqlBuffer, forceRebuildOfTriggers,
trigger, DataEventType.DELETE, reason, latestHistoryBeforeRebuild,
newestHistory, trigger.isSyncOnDelete(), table);
if (latestHistoryBeforeRebuild != null && newestHistory != null) {
inactivateTriggerHistory(latestHistoryBeforeRebuild);
}
if (newestHistory != null) {
if (parameterService.is(ParameterConstants.AUTO_SYNC_TRIGGERS)) {
if (this.triggerCreationListeners != null) {
for (ITriggerCreationListener l : this.triggerCreationListeners) {
l.triggerCreated(trigger, newestHistory);
}
}
}
}
} else {
log.error("TriggerTableMissing", trigger.qualifiedSourceTableName());
if (this.triggerCreationListeners != null) {
for (ITriggerCreationListener l : this.triggerCreationListeners) {
l.tableDoesNotExist(trigger);
}
}
}
} catch (Exception ex) {
log.error("TriggerSynchronizingFailed", ex, trigger.qualifiedSourceTableName());
if (this.triggerCreationListeners != null) {
for (ITriggerCreationListener l : this.triggerCreationListeners) {
l.triggerFailed(trigger, ex);
}
}
}
}
}
protected TriggerHistory rebuildTriggerIfNecessary(StringBuilder sqlBuffer,
boolean forceRebuild, Trigger trigger, DataEventType dmlType,
TriggerReBuildReason reason, TriggerHistory oldhist, TriggerHistory hist,
boolean triggerIsActive, Table table) {
boolean triggerExists = false;
TriggerHistory newTriggerHist = new TriggerHistory(table, trigger, reason);
int maxTriggerNameLength = dbDialect.getMaxTriggerNameLength();
newTriggerHist.setNameForInsertTrigger(getTriggerName(DataEventType.INSERT,
maxTriggerNameLength, trigger).toUpperCase());
newTriggerHist.setNameForUpdateTrigger(getTriggerName(DataEventType.UPDATE,
maxTriggerNameLength, trigger).toUpperCase());
newTriggerHist.setNameForDeleteTrigger(getTriggerName(DataEventType.DELETE,
maxTriggerNameLength, trigger).toUpperCase());
String oldTriggerName = null;
String oldSourceSchema = null;
String oldCatalogName = null;
if (oldhist != null) {
oldTriggerName = oldhist.getTriggerNameForDmlType(dmlType);
oldSourceSchema = oldhist.getSourceSchemaName();
oldCatalogName = oldhist.getSourceCatalogName();
triggerExists = dbDialect.doesTriggerExist(oldCatalogName, oldSourceSchema, oldhist
.getSourceTableName(), oldTriggerName);
} else {
// We had no trigger_hist row, lets validate that the trigger as
// defined in the trigger row data does not exist as well.
oldTriggerName = newTriggerHist.getTriggerNameForDmlType(dmlType);
oldSourceSchema = trigger.getSourceSchemaName();
oldCatalogName = trigger.getSourceCatalogName();
triggerExists = dbDialect.doesTriggerExist(oldCatalogName, oldSourceSchema, trigger
.getSourceTableName(), oldTriggerName);
}
if (!triggerExists && forceRebuild) {
reason = TriggerReBuildReason.TRIGGERS_MISSING;
}
if ((forceRebuild || !triggerIsActive) && triggerExists) {
dbDialect.removeTrigger(sqlBuffer, oldCatalogName, oldSourceSchema, oldTriggerName,
trigger.getSourceTableName(), oldhist);
triggerExists = false;
}
boolean isDeadTrigger = !trigger.isSyncOnInsert() && !trigger.isSyncOnUpdate()
&& !trigger.isSyncOnDelete();
if (hist == null
&& (oldhist == null || (!triggerExists && triggerIsActive) || (isDeadTrigger && forceRebuild))) {
insert(newTriggerHist);
hist = getNewestTriggerHistoryForTrigger(trigger.getTriggerId());
}
if (!triggerExists && triggerIsActive) {
dbDialect.createTrigger(sqlBuffer, dmlType, trigger, hist, tablePrefix, table);
}
return hist;
}
protected String getTriggerName(DataEventType dml, int maxTriggerNameLength, Trigger trigger) {
String triggerName = null;
switch (dml) {
case INSERT:
if (!StringUtils.isBlank(trigger.getNameForInsertTrigger())) {
triggerName = trigger.getNameForInsertTrigger();
}
break;
case UPDATE:
if (!StringUtils.isBlank(trigger.getNameForUpdateTrigger())) {
triggerName = trigger.getNameForUpdateTrigger();
}
break;
case DELETE:
if (!StringUtils.isBlank(trigger.getNameForDeleteTrigger())) {
triggerName = trigger.getNameForDeleteTrigger();
}
break;
}
if (StringUtils.isBlank(triggerName)) {
String triggerPrefix1 = tablePrefix + "_";
String triggerSuffix1 = "on_" + dml.getCode().toLowerCase() + "_for_";
String triggerSuffix2 = (trigger.getTriggerId() + "_"
+ parameterService.getNodeGroupId()).replaceAll(
"[^a-zA-Z0-9]|[a|e|i|o|u|A|E|I|O|U]", "");
triggerName = triggerPrefix1 + triggerSuffix1 + triggerSuffix2;
// use the node group id as part of the trigger if we can because it
// helps uniquely identify
// the trigger in embedded databases. In hsqldb we choose the
// correct connection based on the presence of
// a table that is named for the trigger. If the trigger isn't
// unique across all databases, then we can
// choose the wrong connection.
if (triggerName.length() > maxTriggerNameLength && maxTriggerNameLength > 0) {
triggerName = triggerPrefix1 + triggerSuffix1;
}
}
triggerName = triggerName.toUpperCase();
if (triggerName.length() > maxTriggerNameLength && maxTriggerNameLength > 0) {
int duplicateCount = 0;
do {
if (duplicateCount == 0) {
triggerName = triggerName.substring(0, maxTriggerNameLength - 1);
} else {
String duplicateSuffix = Integer.toString(duplicateCount);
triggerName = triggerName.substring(0, triggerName.length()
- duplicateSuffix.length())
+ duplicateSuffix;
}
duplicateCount++;
} while (isTriggerNameInUse(trigger.getTriggerId(), triggerName));
log.debug("TriggerNameTruncated", dml.name().toLowerCase(), trigger.getTriggerId(),
maxTriggerNameLength);
}
return triggerName;
}
class NodeGroupLinkMapper implements RowMapper<NodeGroupLink> {
public NodeGroupLink mapRow(ResultSet rs, int num) throws SQLException {
NodeGroupLink node_groupTarget = new NodeGroupLink();
node_groupTarget.setSourceNodeGroupId(rs.getString(1));
node_groupTarget.setTargetNodeGroupId(rs.getString(2));
node_groupTarget.setDataEventAction(NodeGroupLinkAction.fromCode(rs.getString(3)));
return node_groupTarget;
}
}
class TriggerHistoryMapper implements RowMapper<TriggerHistory> {
Map<Long, TriggerHistory> retMap = null;
TriggerHistoryMapper() {
}
TriggerHistoryMapper(Map<Long, TriggerHistory> map) {
this.retMap = map;
}
public TriggerHistory mapRow(ResultSet rs, int i) throws SQLException {
TriggerHistory hist = new TriggerHistory();
hist.setTriggerHistoryId(rs.getInt(1));
hist.setTriggerId(rs.getString(2));
hist.setSourceTableName(rs.getString(3));
hist.setTableHash(rs.getInt(4));
hist.setCreateTime(rs.getTimestamp(5));
hist.setPkColumnNames(rs.getString(6));
hist.setColumnNames(rs.getString(7));
hist.setLastTriggerBuildReason(TriggerReBuildReason.fromCode(rs.getString(8)));
hist.setNameForDeleteTrigger(rs.getString(9));
hist.setNameForInsertTrigger(rs.getString(10));
hist.setNameForUpdateTrigger(rs.getString(11));
hist.setSourceSchemaName(rs.getString(12));
hist.setSourceCatalogName(rs.getString(13));
hist.setTriggerRowHash(rs.getLong(14));
if (this.retMap != null) {
this.retMap.put((long) hist.getTriggerHistoryId(), hist);
}
return hist;
}
}
class RouterMapper implements RowMapper<Router> {
public Router mapRow(ResultSet rs, int rowNum) throws SQLException {
Router router = new Router();
router.setSyncOnInsert(rs.getBoolean("r_sync_on_insert"));
router.setSyncOnUpdate(rs.getBoolean("r_sync_on_update"));
router.setSyncOnDelete(rs.getBoolean("r_sync_on_delete"));
router.setTargetCatalogName(rs.getString("target_catalog_name"));
router.setSourceNodeGroupId(rs.getString("source_node_group_id"));
router.setTargetSchemaName(rs.getString("target_schema_name"));
router.setTargetTableName(rs.getString("target_table_name"));
router.setTargetNodeGroupId(rs.getString("target_node_group_id"));
String condition = rs.getString("router_expression");
if (!StringUtils.isBlank(condition)) {
router.setRouterExpression(condition);
}
router.setRouterType(rs.getString("router_type"));
router.setRouterId(rs.getString("router_id"));
router.setCreateTime(rs.getTimestamp("r_create_time"));
router.setLastUpdateTime(rs.getTimestamp("r_last_update_time"));
router.setLastUpdateBy(rs.getString("r_last_update_by"));
return router;
}
}
class TriggerRouterMapper implements RowMapper<TriggerRouter> {
public TriggerRouter mapRow(java.sql.ResultSet rs, int arg1) throws java.sql.SQLException {
TriggerRouter trig = new TriggerRouter();
trig.getTrigger().setTriggerId(rs.getString("trigger_id"));
trig.getTrigger().setChannelId(rs.getString("channel_id"));
trig.getTrigger().setSourceTableName(rs.getString("source_table_name"));
trig.getTrigger().setSyncOnInsert(rs.getBoolean("sync_on_insert"));
trig.getTrigger().setSyncOnUpdate(rs.getBoolean("sync_on_update"));
trig.getTrigger().setSyncOnDelete(rs.getBoolean("sync_on_delete"));
trig.getTrigger().setSyncOnIncomingBatch(rs.getBoolean("sync_on_incoming_batch"));
trig.getTrigger().setNameForDeleteTrigger(rs.getString("name_for_delete_trigger"));
trig.getTrigger().setNameForInsertTrigger(rs.getString("name_for_insert_trigger"));
trig.getTrigger().setNameForUpdateTrigger(rs.getString("name_for_update_trigger"));
String schema = rs.getString("source_schema_name");
trig.getTrigger().setSourceSchemaName(schema);
String catalog = rs.getString("source_catalog_name");
trig.getTrigger().setSourceCatalogName(catalog);
String condition = rs.getString("sync_on_insert_condition");
if (!StringUtils.isBlank(condition)) {
trig.getTrigger().setSyncOnInsertCondition(condition);
}
condition = rs.getString("sync_on_update_condition");
if (!StringUtils.isBlank(condition)) {
trig.getTrigger().setSyncOnUpdateCondition(condition);
}
condition = rs.getString("sync_on_delete_condition");
if (!StringUtils.isBlank(condition)) {
trig.getTrigger().setSyncOnDeleteCondition(condition);
}
condition = rs.getString("external_select");
if (!StringUtils.isBlank(condition)) {
trig.getTrigger().setExternalSelect(condition);
}
trig.getTrigger().setTxIdExpression(rs.getString("tx_id_expression"));
trig.getTrigger().setCreateTime(rs.getTimestamp("t_create_time"));
trig.getTrigger().setLastUpdateTime(rs.getTimestamp("t_last_update_time"));
trig.getTrigger().setLastUpdateBy(rs.getString("t_last_update_by"));
trig.getTrigger().setExcludedColumnNames(rs.getString("excluded_column_names"));
RouterMapper mapper = new RouterMapper();
trig.setRouter(mapper.mapRow(rs, arg1));
trig.setCreateTime(rs.getTimestamp("create_time"));
trig.setLastUpdateTime(rs.getTimestamp("last_update_time"));
trig.setLastUpdateBy(rs.getString("last_update_by"));
trig.setInitialLoadOrder(rs.getInt("initial_load_order"));
trig.setInitialLoadSelect(rs.getString("initial_load_select"));
trig.setPingBackEnabled(rs.getBoolean("ping_back_enabled"));
return trig;
}
}
public void setRootConfigChannelTableNames(Map<String, List<String>> configChannelTableNames) {
this.rootConfigChannelTableNames = configChannelTableNames;
}
public void setRootConfigChannelInitialLoadSelect(
Map<String, Map<String, String>> rootConfigChannelInitialLoadSelect) {
this.rootConfigChannelInitialLoadSelect = rootConfigChannelInitialLoadSelect;
}
public void setClusterService(IClusterService clusterService) {
this.clusterService = clusterService;
}
public void setConfigurationService(IConfigurationService configurationService) {
this.configurationService = configurationService;
}
public void setTriggerCreationListeners(
List<ITriggerCreationListener> autoTriggerCreationListeners) {
if (triggerCreationListeners != null) {
for (ITriggerCreationListener l : triggerCreationListeners) {
addTriggerCreationListeners(l);
}
}
}
public void addTriggerCreationListeners(ITriggerCreationListener l) {
if (this.triggerCreationListeners == null) {
this.triggerCreationListeners = new ArrayList<ITriggerCreationListener>();
}
this.triggerCreationListeners.add(l);
}
public Map<Trigger, Exception> getFailedTriggers() {
return this.failureListener.getFailures();
}