/**
* Copyright (C) 2012 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.jboss.dashboard.initialModule;
import org.jboss.dashboard.database.hibernate.HibernateTxFragment;
import org.hibernate.Session;
/**
* A core component addressed to initialize/update an application artifact at system start-up.
*/
public abstract class InitialModule {
public static transient org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(InitialModule.class.getName());
private String name;
private long version = 1;
private boolean installTransactional = true;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public long getVersion() {
return version;
}
public void setVersion(long version) {
this.version = version;
}
public boolean isInstallTransactional() {
return installTransactional;
}
public void setInstallTransactional(boolean installTransactional) {
this.installTransactional = installTransactional;
}
public boolean doTheInstall() {
final boolean [] returnvalue = new boolean[]{false};
if (installTransactional) {
try {
new HibernateTxFragment() {
protected void txFragment(Session session) throws Exception {
returnvalue[0] = install();
}
}.execute();
} catch (Exception e) {
log.error("Error: ", e);
return false;
}
} else {
return install();
}
return returnvalue[0];
}
public boolean doTheUpgrade(final long currentVersion) {
final boolean [] returnvalue = new boolean[]{false};
if (installTransactional) {
try {
new HibernateTxFragment() {
protected void txFragment(Session session) throws Exception {
returnvalue[0] = upgrade(currentVersion);
}
}.execute();
} catch (Exception e) {
log.error("Error: ", e);
return false;
}
} else {
return upgrade(currentVersion);
}
return returnvalue[0];
}
/**
* Install this module
*
* @return true on success
*/
protected abstract boolean install();
/**
* Upgrade from given version
*
* @return true on success
*/
protected abstract boolean upgrade(long currentVersion);
}