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* 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
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* KIND, either express or implied. See the License for the
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package org.apache.cayenne.dba.frontbase;
import org.apache.cayenne.access.translator.select.DefaultSelectTranslator;
import org.apache.cayenne.dba.DbAdapter;
import org.apache.cayenne.map.EntityResolver;
import org.apache.cayenne.query.Query;
/**
* @since 1.2
*/
class FrontBaseSelectTranslator extends DefaultSelectTranslator {
static final String SELECT_PREFIX = "SELECT";
/**
* @since 4.0
*/
public FrontBaseSelectTranslator(Query query, DbAdapter adapter, EntityResolver entityResolver) {
super(query, adapter, entityResolver);
}
@Override
protected void appendLimitAndOffsetClauses(StringBuilder buffer) {
int limit = queryMetadata.getFetchLimit();
if (limit > 0 && buffer.length() > SELECT_PREFIX.length()) {
if (SELECT_PREFIX.equals(buffer.substring(0, SELECT_PREFIX.length()))) {
buffer.insert(SELECT_PREFIX.length(), " TOP " + limit);
}
}
}
}