casefragment.java

用Java实现的23个常用设计模式源代码

//$Id: CaseFragment.java,v 1.3.2.2 2003/11/27 16:10:00 oneovthafew Exp $
package net.sf.hibernate.sql;
/**
 * Abstract SQL case fragment renderer
 * 
 * @author Gavin King, Simon Harris
 */
public abstract class CaseFragment {
	public abstract CaseFragment setReturnColumnName(String returnColumnName);
	public abstract CaseFragment setReturnColumnName(String returnColumnName, String suffix);
	public abstract CaseFragment addWhenColumnNotNull(String alias, String columnName, String value);
	public abstract String toFragmentString();
}