package org.hibernate.internal;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.hibernate.Filter;
import org.hibernate.FlushMode;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.LockOptions;
import org.hibernate.Query;
import org.hibernate.ScrollMode;
import org.hibernate.ScrollableResults;
import org.hibernate.engine.query.spi.ParameterMetadata;
import org.hibernate.engine.spi.QueryParameters;
import org.hibernate.engine.spi.SessionImplementor;
public class QueryImpl extends AbstractQueryImpl {
private LockOptions lockOptions = new LockOptions();
public QueryImpl(
String queryString,
FlushMode flushMode,
SessionImplementor session,
ParameterMetadata parameterMetadata) {
super( queryString, flushMode, session, parameterMetadata );
}
public QueryImpl(String queryString, SessionImplementor session, ParameterMetadata parameterMetadata) {
this( queryString, null, session, parameterMetadata );
}
public Iterator iterate() throws HibernateException {
verifyParameters();
Map namedParams = getNamedParams();
before();
try {
return getSession().iterate(
expandParameterLists(namedParams),
getQueryParameters(namedParams)
);
}
finally {
after();
}
}
public ScrollableResults scroll() throws HibernateException {
return scroll( session.getFactory().getDialect().defaultScrollMode() );
}
public ScrollableResults scroll(ScrollMode scrollMode) throws HibernateException {
verifyParameters();
Map namedParams = getNamedParams();
before();
QueryParameters qp = getQueryParameters(namedParams);
qp.setScrollMode(scrollMode);
try {
return getSession().scroll( expandParameterLists(namedParams), qp );
}
finally {
after();
}
}
public List list() throws HibernateException {
verifyParameters();
Map namedParams = getNamedParams();
before();
try {
return getSession().list(
expandParameterLists(namedParams),
getQueryParameters(namedParams)
);
}
finally {
after();
}
}
public int executeUpdate() throws HibernateException {
verifyParameters();
Map namedParams = getNamedParams();
before();
try {
return getSession().executeUpdate(
expandParameterLists( namedParams ),
getQueryParameters( namedParams )
);
}
finally {
after();
}
}
public Query setLockMode(String alias, LockMode lockMode) {
lockOptions.setAliasSpecificLockMode( alias, lockMode );
return this;
}
public Query setLockOptions(LockOptions lockOption) {
this.lockOptions.setLockMode(lockOption.getLockMode());
this.lockOptions.setScope(lockOption.getScope());
this.lockOptions.setTimeOut(lockOption.getTimeOut());
return this;
}
public LockOptions getLockOptions() {
return lockOptions;
}
public boolean isSelect() {
return getSession().getFactory().getQueryPlanCache()
.getHQLQueryPlan( getQueryString(), false, Collections.<String, Filter>emptyMap() )
.isSelect();
}
}