// $Id: ParameterNode.java 15871 2009-02-03 20:48:39Z [email protected] $
package org.hibernate.hql.ast.tree;
import org.hibernate.param.ParameterSpecification;
import org.hibernate.type.Type;
import org.hibernate.engine.SessionFactoryImplementor;
import org.hibernate.hql.ast.util.DisplayableNode;
/**
* 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 ) {
StringBuffer buffer = new StringBuffer();
buffer.append( "(?" );
for ( int i = 1; i < count; i++ ) {
buffer.append( ", ?" );
}
buffer.append( ")" );
return buffer.toString();
}
else {
return "?";
}
}
}
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