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Code Issues Releases Wiki Activity

Do post-processing just after sending the record to NMR, use SELECT MIN(id) to serialize concurrent selects

master
Vitaliy Filippov 2015-12-18 01:54:12 +03:00
parent 6a6f2a2b47
commit 7d583f1659
1 changed files with 21 additions and 21 deletions
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42
ojc-core/databasebc/databasebcimpl/src/org/glassfish/openesb/databasebc/InboundMessageProcessor.java
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@ -31,6 +31,7 @@
package org.glassfish.openesb.databasebc;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.PreparedStatement;
import java.sql.ParameterMetaData;
import java.sql.ResultSet;
@ -362,10 +363,19 @@ public class InboundMessageProcessor implements Runnable, MessageExchangeReplyLi
epb.setTableName(mTableName);
connection = getDatabaseConnection(jndiName);
if (mDbName==null){
if (mDbName == null){
mDbName = connection.getMetaData().getDatabaseProductName().toLowerCase();
}
if (isSelectStatement(mSelectSQL)) {
connection.setAutoCommit(false);
if (epb.isClustered()) {
Statement st = connection.createStatement();
// Exclusively lock table (serialize concurrent SELECTs)
st.execute("SELECT MIN("+mPKName+") FROM "+mTableName+" FOR UPDATE");
st.close();
}
List tempList = null;
rs = executeInboundSQLSelect(epb, meta, connection, mTableName, mSelectSQL);
if (rs != null) {
@ -382,20 +392,24 @@ public class InboundMessageProcessor implements Runnable, MessageExchangeReplyLi
normalizationMeasurement.end();
}
final List tempList = epb.getProcessList();
if (!(tempList.isEmpty()))
tempList = epb.getProcessList();
if (!tempList.isEmpty())
{
//set JNDI name on NormalizedMessage for dynamic addressing
// set JNDI name on NormalizedMessage for dynamic addressing
inMsg.setProperty(JDBCComponentContext.NM_PROP_DATABASEBC_CONNECTION_JNDI_NAME, jndiName);
exchange.setMessage(inMsg, "in");
mInboundExchanges.put(exchangeId, new ListenerMeta(
System.currentTimeMillis(), this));
mChannel.send(exchange);
mChannel.sendSync(exchange);
epb.getEndpointStatus().incrementSentRequests();
}
}
if (tempList != null && !tempList.isEmpty()) {
doPostProcessing(connection, tempList);
}
}
}
} catch (final Exception ex) {
@ -417,6 +431,7 @@ public class InboundMessageProcessor implements Runnable, MessageExchangeReplyLi
}
try{
if (connection != null) {
connection.commit();
connection.close();
}
}catch(SQLException se){
@ -698,9 +713,6 @@ public class InboundMessageProcessor implements Runnable, MessageExchangeReplyLi
*/
//@Override
public synchronized void processReplyMessage(final MessageExchange exchange) throws Exception {
String jndiName = null;
Connection connection = null;
if (!(exchange instanceof InOnly) && !(exchange instanceof InOut)) {
mLogger.log(Level.SEVERE, "DBBC_E00647.IMP_Unsupported_exchange_pattern",
exchange.getPattern().toString());
@ -710,12 +722,7 @@ public class InboundMessageProcessor implements Runnable, MessageExchangeReplyLi
final String messageId = exchange.getExchangeId();
try {
if (InboundMessageProcessor.mInboundExchanges.containsKey(messageId)) {
if (exchange.getStatus() == ExchangeStatus.DONE) {
jndiName = epb.getValue(EndpointBean.JDBC_DATABASE_JNDI_NAME);
mLogger.log(Level.INFO, InboundMessageProcessor.mMessages.getString("DBBC_R00629.OMP_UsedJNDI") + jndiName);
connection = getDatabaseConnection(jndiName);
doPostProcessing(connection, (List)mMapInboundExchangesProcessRecords.get(messageId));
} else {
if (exchange.getStatus() != ExchangeStatus.DONE) {
mLogger.log(Level.SEVERE, "IMP_MXCH_BAD_STATUS", new Object[] { exchange.getStatus().toString(), messageId });
// Any status other than 'DONE' is considered an error
final String msgError = "Error occured while getting DONE Response ";
@ -735,13 +742,6 @@ public class InboundMessageProcessor implements Runnable, MessageExchangeReplyLi
} finally {
InboundMessageProcessor.mInboundExchanges.remove(messageId);
mMapInboundExchangesProcessRecords.remove(messageId);
try{
if(connection != null) {
connection.close();
}
}catch(SQLException se){
mLogger.log(Level.SEVERE, mMessages.getString("DBBC_E11111.IMP_EXCEPTION_WHILE_CLOSING_THE_CONNECTION"), se);
}
}
}