org.hibernate.hql.internal.ast.tree.ParameterNode Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
*/
package org.hibernate.hql.internal.ast.tree;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.param.ParameterSpecification;
import org.hibernate.type.Type;
/**
* Implementation of ParameterNode.
*
* @author Steve Ebersole
*/
public class ParameterNode extends HqlSqlWalkerNode implements DisplayableNode, ExpectedTypeAwareNode {
private ParameterSpecification parameterSpecification;
public ParameterSpecification getHqlParameterSpecification() {
return parameterSpecification;
}
public void setHqlParameterSpecification(ParameterSpecification parameterSpecification) {
this.parameterSpecification = parameterSpecification;
}
public String getDisplayText() {
return "{" + ( parameterSpecification == null ? "???" : parameterSpecification.renderDisplayInfo() ) + "}";
}
public void setExpectedType(Type expectedType) {
getHqlParameterSpecification().setExpectedType( expectedType );
setDataType( expectedType );
}
public Type getExpectedType() {
return getHqlParameterSpecification() == null ? null : getHqlParameterSpecification().getExpectedType();
}
public String getRenderText(SessionFactoryImplementor sessionFactory) {
int count = 0;
if ( getExpectedType() != null && ( count = getExpectedType().getColumnSpan( sessionFactory ) ) > 1 ) {
StringBuilder buffer = new StringBuilder();
buffer.append( "(?" );
for ( int i = 1; i < count; i++ ) {
buffer.append( ", ?" );
}
buffer.append( ")" );
return buffer.toString();
}
else {
return "?";
}
}
}