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/*
* DeploymentEventListenerImpl.java
*
* Created on April 8, 2003.
*/
package com.sun.jdo.spi.persistence.support.ejb.ejbc;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.SQLException;
import java.util.Iterator;
import java.util.ResourceBundle;
import java.util.Properties;
import java.util.Collection;
import com.sun.enterprise.util.io.FileUtils;
import com.sun.enterprise.deployment.Application;
import com.sun.enterprise.deployment.EjbBundleDescriptor;
import com.sun.enterprise.deployment.IASEjbCMPEntityDescriptor;
import com.sun.enterprise.deployment.PersistenceUnitsDescriptor;
import com.sun.enterprise.deployment.PersistenceUnitDescriptor;
import com.sun.enterprise.deployment.ResourceReferenceDescriptor;
import com.sun.enterprise.deployment.backend.DeploymentEvent;
import com.sun.enterprise.deployment.backend.DeploymentEventInfo;
import com.sun.enterprise.deployment.backend.DeploymentEventListener;
import com.sun.enterprise.deployment.backend.DeploymentEventManager;
import com.sun.enterprise.deployment.backend.DeploymentRequest;
import com.sun.enterprise.deployment.backend.DeploymentStatus;
import com.sun.enterprise.deployment.backend.IASDeploymentException;
import com.sun.enterprise.server.Constants;
import com.sun.jdo.api.persistence.support.JDOFatalUserException;
import com.sun.jdo.spi.persistence.support.sqlstore.LogHelperSQLStore;
import com.sun.jdo.spi.persistence.utility.logging.Logger;
import com.sun.jdo.spi.persistence.utility.I18NHelper;
import com.sun.jdo.spi.persistence.utility.database.DatabaseConstants;
//import com.sun.jdo.spi.persistence.support.sqlstore.ejb.*;
/** Implementation of the DeploymentEventListener interface for
* creating and dropping database schema definitions at the appropriate
* deployment/undeployment events.
*
*/
public class DeploymentEventListenerImpl
implements DeploymentEventListener, DatabaseConstants {
/** I18N message handler */
private final static ResourceBundle messages = I18NHelper.loadBundle(
"com.sun.jdo.spi.persistence.support.ejb.ejbc.Bundle", // NOI18N
DeploymentEventListenerImpl.class.getClassLoader());
/** The logger */
private static Logger logger = LogHelperSQLStore.getLogger();
/** Garantees singleton.
* Registers itself during initial load
*/
static {
DeploymentEventManager.addListener (new DeploymentEventListenerImpl());
}
/** Default constructor should not be public */
DeploymentEventListenerImpl() { }
/**
* This method is called when a <code>DeploymentEventManager</code>
* needs to deliver a code>DeploymentEvent</code> event.
* @param event the DeploymentEvent to be delivered.
*/
public void notifyDeploymentEvent(DeploymentEvent event) {
int type = event.getEventType();
switch (type) {
case DeploymentEvent.POST_DEPLOY:
processEvent(event.getEventInfo(), true);
break;
case DeploymentEvent.PRE_UNDEPLOY:
case DeploymentEvent.PRE_DEPLOY:
processEvent(event.getEventInfo(), false);
break;
default:
break;
}
}
/** Event handling.
* @param source the event source.
* @param create true if we need to create tables as part of this event.
*/
private void processEvent(DeploymentEventInfo info, boolean create) {
// Get the CLI overrides.
String cliCreateTables = null;
String cliDropTables = null;
DeploymentRequest request = info.getDeploymentRequest();
// Do nothing for drop tables on the deploy
if (isDeploy(request) && !create) {
return;
}
Properties cliOverrides = request.getOptionalArguments();
String cliDropAndCreateTables = cliOverrides.getProperty(
Constants.CMP_DROP_AND_CREATE_TABLES, Constants.UNDEFINED);
if (create) {
cliCreateTables = cliOverrides.getProperty(
Constants.CMP_CREATE_TABLES, Constants.UNDEFINED);
if (cliCreateTables.equals(Constants.UNDEFINED)) {
// It might have been specified as CMP_DROP_AND_CREATE_TABLES.
cliCreateTables = cliDropAndCreateTables;
}
} else {
cliDropTables = cliOverrides.getProperty(
Constants.CMP_DROP_TABLES, Constants.UNDEFINED);
}
Application application = info.getApplicationDescriptor();
if ( application == null) {
return;
}
processApplication(request, info, create, cliCreateTables,
cliDropAndCreateTables, cliDropTables);
} //processEvent
/**
* This is the method that does the actual processing of the deployment event.
* For each application process the cmp 2.x beans if any followed by processing
* the ejb 3.0 beans.
* @param request the deployment request object
* @param info the event source
* @param create true if we need to create tables as part of this event.
* @param cliCreateTables the cli option for creating tables
* @param cliDropAndCreateTables the cli option for dropping old tables and creating new tables
* @param cliDropTables the cli option to drop tables at undeploy time
*/
private void processApplication(DeploymentRequest request,
DeploymentEventInfo info, boolean create,
String cliCreateTables, String cliDropAndCreateTables,
String cliDropTables) {
if (logger.isLoggable(logger.FINE)) {
logger.fine("ejb.DeploymentEventListenerImpl.processingevent", //NOI18N
(isRedeploy(request)? "redeploy" : ((create)? "deploy" : "undeploy")), //NOI18N
info.getApplicationDescriptor().getRegistrationName());
}
// Get status value for our use and initialize it.
DeploymentStatus status = request.getCurrentDeploymentStatus();
status.setStageStatus(DeploymentStatus.SUCCESS);
status.setStageStatusMessage("");
BaseProcessor processor =
new CMPProcessor(info, create, cliCreateTables,
cliDropAndCreateTables, cliDropTables);
processor.processApplication();
processor =
new PersistenceProcessor(info, create, cliCreateTables,
cliDropAndCreateTables, cliDropTables);
processor.processApplication();
}
/**
* This method returns a boolean value that determines if we are
* trying to do a redeployment of an existing application but doesn't
* throw an exception.
* @param request the deployment request object
* @return true if we are trying to redeploy an existing application
*/
private boolean isRedeploy(DeploymentRequest request) {
boolean redeploy = false;
try {
if (request != null) {
redeploy = request.isReDeploy();
}
} catch (IASDeploymentException e) {
// Ignore? This is a strange exception.
}
return redeploy;
}
/**
* This method returns a boolean value that determines if we are
* trying to do a deployment of an existing application but doesn't
* throw an exception.
* @param request the deployment request object
* @return true if we are trying to redeploy an existing application
*/
private boolean isDeploy(DeploymentRequest request) {
boolean deploy = false;
try {
if (request != null) {
deploy = request.isDeploy();
}
} catch (IASDeploymentException e) {
// Ignore? This is a strange exception.
}
return deploy;
}
} //DeploymentEventListenerImpl
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