com.espertech.esperio.db.core.RunnableUpsert Maven / Gradle / Ivy
/**************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
**************************************************************************************/
package com.espertech.esperio.db.core;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.epl.db.DatabaseConfigException;
import com.espertech.esper.util.ExecutionPathDebugLog;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.sql.Connection;
import java.sql.SQLException;
public class RunnableUpsert implements Runnable
{
private static Log log = LogFactory.getLog(RunnableUpsert.class);
private final RunnableUpsertContext context;
private final EventBean theEvent;
public RunnableUpsert(RunnableUpsertContext context, EventBean theEvent)
{
this.context = context;
this.theEvent = theEvent;
}
public void run()
{
if ((ExecutionPathDebugLog.isDebugEnabled) && (log.isDebugEnabled() && (ExecutionPathDebugLog.isTimerDebugEnabled))) {
log.debug("Executing upsert work unit for event " + theEvent);
}
int retryMax = context.getRetry() == null ? 1 : context.getRetry();
int retryCount = 0;
while(true) {
try {
tryUpsert();
break;
}
catch (Throwable t) {
log.error("Error in upsert named '" + context.getName() + "' :" + t.getMessage(), t);
retryCount++;
if (retryCount >= retryMax) {
log.warn("Failed upsert named '" + context.getName() + "', retry count reached");
break;
}
if ((context.getRetryWait() != null) && (context.getRetryWait() > 0)) {
long interval = (long) (context.getRetryWait() * 1000);
log.warn("Retry upsert named '" + context.getName() + "', retry interval msec " + interval + " retry count " + retryCount + " max " + retryMax);
try {
Thread.sleep(interval);
}
catch (InterruptedException e) {
break;
}
}
else {
log.warn("Retry upsert named '" + context.getName() + "', retry count " + retryCount + " max " + retryMax);
}
}
}
}
private void tryUpsert() throws DatabaseConfigException, SQLException
{
Connection connection = context.getConnectionFactory().getConnection();
try {
Object[] keys = new Object[context.getKeyGetters().length];
for (int i = 0; i < context.getKeyGetters().length; i++) {
keys[i] = context.getKeyGetters()[i].get(theEvent);
}
Object[] values = new Object[context.getValueGetters().length];
for (int i = 0; i < context.getValueGetters().length; i++) {
values[i] = context.getValueGetters()[i].get(theEvent);
}
boolean updated = context.getTable().updateValue(connection, keys, values);
if (!updated) {
context.getTable().insertValue(connection, keys, values);
}
}
finally {
connection.close();
}
}
}