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package com.sun.ejb.base.sfsb;
import java.util.ArrayList;
import java.io.File;
import java.util.logging.*;
import com.sun.logging.*;
import com.sun.ejb.spi.sfsb.SFSBUUIDUtil;
import com.sun.ejb.spi.container.ContainerService;
import com.sun.ejb.containers.ContainerFactoryImpl;
/**
* @author Mahesh Kannan
*/
public class PersistentFileStoreManager
extends AbstractFileStoreManager
{
private SFSBUUIDUtil uuidGenerator;
/**
* No arg constructor
*/
public PersistentFileStoreManager() {
}
protected void onInitialization() {
try {
uuidGenerator = new SimpleKeyGenerator();
if (baseDir.isDirectory()) {
String[] fileNames = baseDir.list();
_logger.log(Level.FINE, storeManagerName
+ "; removing: " + fileNames.length + " sessions");
removeExpiredPassivatedSessions(fileNames);
}
} catch (Exception ex) {
_logger.log(Level.WARNING, "ejb.sfsb_persistmgr_oninit_failed",
new Object[] {storeManagerName});
_logger.log(Level.WARNING, "ejb.sfsb_persistmgr_oninit_failed_exception", ex);
}
}
public SFSBUUIDUtil getUUIDUtil() {
return uuidGenerator;
}
public void shutdown() {
super.shutdown();
}
private void removeExpiredPassivatedSessions(String[] fileNames) {
if (fileNames.length > 0) {
AsyncFileRemovalTask task = new AsyncFileRemovalTask(
this, fileNames);
try {
ContainerService service = ContainerFactoryImpl.getContainerService();
//scheduleWork performs the task on the same thread
// if it cannot schedule the task for async execution
service.scheduleWork(super.getClassLoader(), task);
} catch (Throwable th) {
//We would be here only if containerService is null
_logger.log(Level.FINE, storeManagerName
+ ": Cannot execute file removal aynchronously", th);
//Execute in the current thread
task.run(); //Doesn't throw any exception
}
}
}
private static class AsyncFileRemovalTask
implements Runnable
{
AbstractFileStoreManager storeManager;
String[] fileNames;
AsyncFileRemovalTask(AbstractFileStoreManager manager,
String[] fileNames)
{
this.storeManager = manager;
this.fileNames = fileNames;
}
public void run() {
try {
int sz = fileNames.length;
for (int i=0; i<sz; i++) {
storeManager.remove(fileNames[i]);
}
} catch (Exception ex) {
_logger.log(Level.FINE, "Error while removing expired "
+ "file during startup", ex);
}
}
}
}