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Java > Open Source Codes > org > hibernate > hql > ast > tree > CountNode


1 // $Id: CountNode.java,v 1.1 2005/07/12 20:27:16 steveebersole Exp $
2 package org.hibernate.hql.ast.tree;
3
4 import org.hibernate.hql.ast.util.ColumnHelper;
5 import org.hibernate.type.Type;
6
7 import antlr.SemanticException;
8
9 /**
10  * Represents a COUNT expression in a select.
11  *
12  * @author josh Sep 21, 2004 9:23:40 PM
13  */
14 public class CountNode extends AbstractSelectExpression implements SelectExpression {
15     
16     public Type getDataType() {
17         return getSessionFactoryHelper().findFunctionReturnType( getText(), null );
18     }
19
20     public void setScalarColumnText(int i) throws SemanticException {
21         ColumnHelper.generateSingleScalarColumn( this, i );
22     }
23
24 }
25
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