/*
* 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.cyclop.service.completion.intern.parser.delete;
import static org.cyclop.common.QueryHelper.extractTableName;
import java.util.Optional;
import java.util.SortedSet;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import javax.inject.Named;
import org.cyclop.model.CqlColumnName;
import org.cyclop.model.CqlCompletion;
import org.cyclop.model.CqlKeyword;
import org.cyclop.model.CqlQuery;
import org.cyclop.model.CqlTable;
import org.cyclop.service.cassandra.QueryService;
import org.cyclop.service.completion.intern.parser.MarkerBasedCompletion;
/** @author Maciej Miklas */
@Named("delete.OrderByCompletion")
class OrderByCompletion extends MarkerBasedCompletion {
@Inject
private QueryService queryService;
private CqlCompletion.BuilderTemplate builderTemplate;
public OrderByCompletion() {
super(CqlKeyword.Def.ORDER_BY.value);
}
@PostConstruct
public void init() {
builderTemplate = CqlCompletion.Builder.naturalOrder().all(CqlKeyword.Def.ASC.value)
.all(CqlKeyword.Def.DESC.value).all(CqlKeyword.Def.LIMIT.value)
.all(CqlKeyword.Def.ALLOW_FILTERING.value).all(CqlKeyword.Def.TOKEN.value).template();
}
@Override
public CqlCompletion getCompletion(CqlQuery query) {
CqlCompletion.Builder builder = builderTemplate.naturalOrder();
Optional<CqlTable> table = extractTableName(CqlKeyword.Def.FROM.value, query);
SortedSet<CqlColumnName> columnNames = queryService.findColumnNames(table);
builder.all(columnNames);
CqlCompletion cmp = builder.build();
return cmp;
}
}