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package com.sun.ejb.containers;
import java.util.ArrayList;
import com.sun.ejb.spi.sfsb.store.SFSBTxStoreManager;
import com.sun.ejb.base.sfsb.initialization.SFSBTxStoreManagerFactory;
import com.sun.ejb.base.sfsb.util.EJBServerConfigLookup;
import com.sun.ejb.spi.sfsb.store.SFSBBeanState;
import com.sun.ejb.spi.sfsb.store.SFSBStoreManagerException;
import java.util.logging.*;
import com.sun.logging.*;
/**
* A class to checkpoint HA enabled SFSBs as a single transactional unit.
*
* @author Mahesh Kannan
*/
public class SFSBTxCheckpointCoordinator {
private static final Logger _logger =
LogDomains.getLogger(LogDomains.EJB_LOGGER);
private static String _haStoreType;
static {
EJBServerConfigLookup ejbConfigLookup = new EJBServerConfigLookup();
_haStoreType = ejbConfigLookup.getSfsbHaPersistenceTypeFromConfig();
}
private ArrayList ctxList = new ArrayList();
SFSBTxCheckpointCoordinator() {
}
void registerContext(SessionContextImpl ctx) {
ctxList.add(ctx);
}
void doTxCheckpoint() {
SessionContextImpl[] contexts = (SessionContextImpl[]) ctxList.toArray(
new SessionContextImpl[0]);
int size = contexts.length;
ArrayList states = new ArrayList(size);
for (int i=0; i<size; i++) {
SessionContextImpl ctx = contexts[i];
StatefulSessionContainer container =
(StatefulSessionContainer) ctx.getContainer();
SFSBBeanState beanState = container.getSFSBBeanState(ctx);
if (beanState != null) {
states.add(beanState);
}
}
if (states.size () > 0) {
SFSBBeanState[] beanStates = (SFSBBeanState[]) states.toArray(
new SFSBBeanState[0]);
try {
SFSBTxStoreManager txStoreManager = SFSBTxStoreManagerFactory.
createSFSBTxStoreManager(_haStoreType);
txStoreManager.checkpointSave(beanStates);
} catch (SFSBStoreManagerException sfsbEx) {
_logger.log(Level.WARNING, "Exception during checkpointSave",
sfsbEx);
} catch (Throwable th) {
_logger.log(Level.WARNING, "Exception during checkpointSave",
th);
}
}
for (int i=0; i<size; i++) {
SessionContextImpl ctx = contexts[i];
StatefulSessionContainer container =
(StatefulSessionContainer) ctx.getContainer();
container.txCheckpointCompleted(ctx);
}
}
}