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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne.access.translator.ejbql;
import org.apache.cayenne.ejbql.EJBQLExpressionVisitor;
/**
* A default EJBQLTranslatorFactory.
*
* @since 3.0
*/
public class JdbcEJBQLTranslatorFactory implements EJBQLTranslatorFactory {
protected static final String JOIN_APPENDER_KEY = "$JoinAppender";
protected boolean caseInsensitive = false;
public EJBQLJoinAppender getJoinAppender(EJBQLTranslationContext context) {
EJBQLJoinAppender appender = (EJBQLJoinAppender) context
.getAttribute(JOIN_APPENDER_KEY);
if (appender == null) {
appender = new EJBQLJoinAppender(context);
context.setAttribute(JOIN_APPENDER_KEY, appender);
}
return appender;
}
public EJBQLExpressionVisitor getDeleteTranslator(EJBQLTranslationContext context) {
context.setUsingAliases(false);
return new EJBQLDeleteTranslator(context);
}
public EJBQLExpressionVisitor getSelectTranslator(EJBQLTranslationContext context) {
return new EJBQLSelectTranslator(context);
}
public EJBQLExpressionVisitor getUpdateTranslator(EJBQLTranslationContext context) {
context.setUsingAliases(false);
return new EJBQLUpdateTranslator(context);
}
public EJBQLExpressionVisitor getAggregateColumnTranslator(
EJBQLTranslationContext context) {
return new EJBQLAggregateColumnTranslator(context);
}
public EJBQLExpressionVisitor getConditionTranslator(EJBQLTranslationContext context) {
context.setCaseInsensitive(caseInsensitive);
return new EJBQLConditionTranslator(context);
}
public EJBQLExpressionVisitor getFromTranslator(EJBQLTranslationContext context) {
return new EJBQLFromTranslator(context);
}
public EJBQLExpressionVisitor getGroupByTranslator(EJBQLTranslationContext context) {
return new EJBQLGroupByTranslator(context);
}
public EJBQLExpressionVisitor getIdentifierColumnsTranslator(
EJBQLTranslationContext context) {
if(context.getMetadata().getPageSize() > 0){
return new EJBQLIdColumnsTranslator(context);
}
else{
return new EJBQLIdentifierColumnsTranslator(context);
}
}
public EJBQLExpressionVisitor getOrderByTranslator(EJBQLTranslationContext context) {
return new EJBQLOrderByTranslator(context);
}
public EJBQLExpressionVisitor getSelectColumnsTranslator(
EJBQLTranslationContext context) {
return new EJBQLSelectColumnsTranslator(context);
}
public EJBQLExpressionVisitor getUpdateItemTranslator(EJBQLTranslationContext context) {
return new EJBQLUpdateItemTranslator(context);
}
public void setCaseInsensitive(boolean caseInsensitive) {
this.caseInsensitive = caseInsensitive;
}
}