//$Id: ConditionalParenthesisFunction.java,v 1.4 2005/04/26 18:08:01 oneovthafew Exp $ package org.hibernate.dialect.function; import java.util.List; import org.hibernate.engine.SessionFactoryImplementor; import org.hibernate.type.Type; /** * Essentially the same as {@link org.hibernate.dialect.function.StandardSQLFunction}, * except that here the parentheses are not included when no arguments are given. * * @author Jonathan Levinson */ public class ConditionalParenthesisFunction extends StandardSQLFunction { public ConditionalParenthesisFunction(String name) { super( name ); } public ConditionalParenthesisFunction(String name, Type type) { super( name, type ); } public boolean hasParenthesesIfNoArguments() { return false; } public String render(List args, SessionFactoryImplementor factory) { final boolean hasArgs = !args.isEmpty(); StringBuffer buf = new StringBuffer(); buf.append( getName() ); if ( hasArgs ) { buf.append( "(" ); for ( int i = 0; i < args.size(); i++ ) { buf.append( args.get( i ) ); if ( i < args.size() - 1 ) { buf.append( ", " ); } } buf.append( ")" ); } return buf.toString(); } }