/***************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. ****************************************************************/ package org.apache.cayenne.dba.sybase; import org.apache.cayenne.access.translator.ejbql.EJBQLConditionTranslator; import org.apache.cayenne.access.translator.ejbql.EJBQLTranslationContext; import org.apache.cayenne.ejbql.EJBQLExpression; class SybaseEJBQLConditionTranslator extends EJBQLConditionTranslator { boolean isExists; public SybaseEJBQLConditionTranslator(EJBQLTranslationContext context) { super(context); } @Override public boolean visitSubselect(EJBQLExpression expression) { context.onSubselect(); context.append(" ("); expression.visit(new SybaseEJBQLSubselectTranslator(context, isExists)); context.append(')'); isExists = false; return false; } @Override public boolean visitExists(EJBQLExpression expression) { isExists = true; context.append(" EXISTS"); return true; } }