//$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();
}
}
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