/** INTERNAL: Answers the session to be used for the given query. */
protected AbstractSession getSessionForQuery(DatabaseQuery query) {
if (query.hasSessionName()) {
return getSessionForName(query.getSessionName());
}
Class queryClass;
if (query.getDescriptor() != null) {
queryClass = query.getDescriptor().getJavaClass();
} else {
queryClass = query.getReferenceClass();
if (queryClass == null) {
throw QueryException.unnamedQueryOnSessionBroker(query);
}
}
return getSessionForClass(queryClass);
}
/** INTERNAL: Prepare the receiver for execution in a session. */
protected void prepare() throws QueryException {
if (getObject() != null) { // Prepare can be called without the object set yet.
checkDescriptor(getObject(), getSession());
setObject(getDescriptor().getObjectBuilder().unwrapObject(getObject(), getSession()));
}
super.prepare();
// It will only get to prepare if check database if required.
getQueryMechanism().prepareDoesExist(getDoesExistField());
}
/**
* INTERNAL: Prepare the query from the prepared query. This allows a dynamic query to prepare
* itself directly from a prepared query instance. This is used in the JPQL parse cache to allow
* preparsed queries to be used to prepare dynamic queries. This only copies over properties that
* are configured through JPQL.
*/
public void prepareFromQuery(DatabaseQuery query) {
super.prepareFromQuery(query);
if (query.isReadAllQuery()) {
ReadAllQuery readQuery = (ReadAllQuery) query;
this.containerPolicy = readQuery.containerPolicy;
if (readQuery.hasHierarchicalExpressions()) {
this.orderSiblingsByExpressions = readQuery.getOrderSiblingsByExpressions();
this.connectByExpression = readQuery.getConnectByExpression();
this.startWithExpression = readQuery.getStartWithExpression();
}
if (readQuery.hasBatchReadAttributes()) {
this.batchReadAttributeExpressions = readQuery.batchReadAttributeExpressions;
this.batchReadMappingQueries = readQuery.batchReadMappingQueries;
this.batchReadAttributes = readQuery.batchReadAttributes;
}
}
}
/** INTERNAL: Prepare the receiver for execution in a session. */
public void prepareForExecution() throws QueryException {
super.prepareForExecution();
if (getObject() == null) {
throw QueryException.objectToModifyNotSpecified(this);
}
setObject(this.descriptor.getObjectBuilder().unwrapObject(getObject(), getSession()));
if (this.descriptor == null) {
setDescriptor(getSession().getDescriptor(getObject().getClass()));
}
if (getPrimaryKey() == null) {
setPrimaryKey(
this.descriptor
.getObjectBuilder()
.extractPrimaryKeyFromObject(getObject(), getSession()));
}
if ((getTranslationRow() == null) || (getTranslationRow().isEmpty())) {
setTranslationRow(
this.descriptor.getObjectBuilder().buildRowForTranslation(getObject(), getSession()));
}
}