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HSQLCaseFragment.javaAPI DocHibernate 3.2.5985Thu Jun 03 11:31:32 BST 2004org.hibernate.sql

HSQLCaseFragment

public class HSQLCaseFragment extends CaseFragment
The HSQL CASEWHEN function.
casewhen(..., ..., ...) as ...
author
Wolfgang Jung

Fields Summary
Constructors Summary
Methods Summary
public java.lang.StringtoFragmentString()

		StringBuffer buf = new StringBuffer( cases.size() * 15 + 10 );
		StringBuffer buf2 = new StringBuffer( cases.size() );

		Iterator iter = cases.entrySet().iterator();
		while ( iter.hasNext() ) {
			Map.Entry me = (Map.Entry) iter.next();
			buf.append(" casewhen(")
				.append( me.getKey() )
				.append(" is not null")
				.append(", ")
				.append( me.getValue() )
				.append(", ");
			buf2.append(")");
		}

		buf.append("-1"); //null caused some problems
		buf.append( buf2.toString() );
		if ( returnColumnName!=null ) {
			buf.append(" as ")
				.append(returnColumnName);
		}
		return buf.toString();