//$Id: VarArgsSQLFunction.java 6608 2005-04-29 15:32:30Z oneovthafew $package org.hibernate.dialect.function;import java.util.List;import org.hibernate.QueryException;import org.hibernate.engine.Mapping;import org.hibernate.engine.SessionFactoryImplementor;import org.hibernate.type.Type;/** * Support for slightly more general templating than <tt>StandardSQLFunction</tt>, * with an unlimited number of arguments. * @author Gavin King */public class VarArgsSQLFunction implements SQLFunction {	private final String begin;	private final String sep;	private final String end;	private final Type type;		public VarArgsSQLFunction(Type type, String begin, String sep, String end) {		this.begin = begin;		this.sep = sep;		this.end = end;		this.type = type;	}	public VarArgsSQLFunction(String begin, String sep, String end) {		this.begin = begin;		this.sep = sep;		this.end = end;		this.type = null;	}	public Type getReturnType(Type columnType, Mapping mapping) throws QueryException {		return type==null ? columnType : type;	}	public boolean hasArguments() {		return true;	}	public boolean hasParenthesesIfNoArguments() {		return true;	}	public String render(List args, SessionFactoryImplementor factory) throws QueryException {		StringBuffer buf = new StringBuffer().append(begin);		for ( int i=0; i<args.size(); i++ ) {			buf.append( args.get(i) );			if (i<args.size()-1) buf.append(sep);		}		return buf.append(end).toString();	}}