| /* |
| * 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.cassandra.cql3.selection; |
| |
| import java.util.List; |
| |
| import com.google.common.collect.Lists; |
| |
| import org.apache.cassandra.schema.TableMetadata; |
| import org.apache.cassandra.cql3.ColumnIdentifier; |
| |
| |
| public class RawSelector |
| { |
| public final Selectable.Raw selectable; |
| public final ColumnIdentifier alias; |
| |
| public RawSelector(Selectable.Raw selectable, ColumnIdentifier alias) |
| { |
| this.selectable = selectable; |
| this.alias = alias; |
| } |
| |
| /** |
| * Converts the specified list of <code>RawSelector</code>s into a list of <code>Selectable</code>s. |
| * |
| * @param raws the <code>RawSelector</code>s to converts. |
| * @return a list of <code>Selectable</code>s |
| */ |
| public static List<Selectable> toSelectables(List<RawSelector> raws, final TableMetadata table) |
| { |
| return Lists.transform(raws, raw -> raw.prepare(table)); |
| } |
| |
| private Selectable prepare(TableMetadata table) |
| { |
| Selectable s = selectable.prepare(table); |
| return alias != null ? new AliasedSelectable(s, alias) : s; |
| } |
| } |