package io.ebeaninternal.api;
import io.ebeaninternal.server.cache.CacheChangeSet;
import io.ebeaninternal.server.core.PersistRequestBean;
import io.ebeaninternal.server.deploy.BeanDescriptor;
import io.ebeaninternal.server.transaction.DeleteByIdMap;
import io.ebeanservice.docstore.api.DocStoreUpdates;
import java.io.Serializable;
import java.util.List;
/**
* Holds information for a transaction. There is one TransactionEvent instance
* per Transaction instance.
* <p>
* When the associated Transaction commits or rollback this information is sent
* to the TransactionEventManager.
* </p>
*/
public class TransactionEvent implements Serializable {
private static final long serialVersionUID = 7230903304106097120L;
/**
* Flag indicating this is a local transaction (not from another server in
* the cluster).
*/
private final transient boolean local;
private TransactionEventTable eventTables;
private transient TransactionEventBeans eventBeans;
private transient DeleteByIdMap deleteByIdMap;
/**
* Create the TransactionEvent, one per Transaction.
*/
public TransactionEvent() {
this.local = true;
}
public void addDeleteById(BeanDescriptor<?> desc, Object id) {
if (deleteByIdMap == null) {
deleteByIdMap = new DeleteByIdMap();
}
deleteByIdMap.add(desc, id);
}
public void addDeleteByIdList(BeanDescriptor<?> desc, List<Object> idList) {
if (deleteByIdMap == null) {
deleteByIdMap = new DeleteByIdMap();
}
deleteByIdMap.addList(desc, idList);
}
public DeleteByIdMap getDeleteByIdMap() {
return deleteByIdMap;
}
/**
* Return true if this was a local transaction. Returns false if this
* transaction originated on another server in the cluster.
*/
public boolean isLocal() {
return local;
}
/**
* Return the list of PersistRequestBean's for this transaction.
*/
public List<PersistRequestBean<?>> getPersistRequestBeans() {
return (eventBeans == null) ? null : eventBeans.getRequests();
}
public TransactionEventTable getEventTables() {
return eventTables;
}
public void add(String tableName, boolean inserts, boolean updates, boolean deletes) {
if (eventTables == null) {
eventTables = new TransactionEventTable();
}
eventTables.add(tableName, inserts, updates, deletes);
}
public void add(TransactionEventTable table) {
if (eventTables == null) {
eventTables = new TransactionEventTable();
}
eventTables.add(table);
}
/**
* Add a inserted updated or deleted bean to the event.
*/
public void add(PersistRequestBean<?> request) {
if (request.isNotify()) {
// either a BeanListener or Cache is interested
if (eventBeans == null) {
eventBeans = new TransactionEventBeans();
}
eventBeans.add(request);
}
}
/**
* Build and return the cache changeSet.
*/
public CacheChangeSet buildCacheChanges(boolean viewInvalidation) {
CacheChangeSet changeSet = new CacheChangeSet(viewInvalidation);
if (eventBeans != null) {
eventBeans.notifyCache(changeSet);
}
if (deleteByIdMap != null) {
deleteByIdMap.notifyCache(changeSet);
}
return changeSet;
}
/**
* Add any relevant PersistRequestBean's to DocStoreUpdates for later processing.
*/
public void addDocStoreUpdates(DocStoreUpdates docStoreUpdates) {
List<PersistRequestBean<?>> persistRequestBeans = getPersistRequestBeans();
if (persistRequestBeans != null) {
for (PersistRequestBean<?> persistRequestBean : persistRequestBeans) {
persistRequestBean.addDocStoreUpdates(docStoreUpdates);
}
}
}
}