| /* |
| * 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.calcite.test.schemata.orderstream; |
| |
| import org.apache.calcite.DataContext; |
| import org.apache.calcite.config.CalciteConnectionConfig; |
| import org.apache.calcite.linq4j.Enumerable; |
| import org.apache.calcite.linq4j.Linq4j; |
| import org.apache.calcite.schema.StreamableTable; |
| import org.apache.calcite.schema.Table; |
| import org.apache.calcite.sql.SqlCall; |
| import org.apache.calcite.sql.SqlNode; |
| |
| import com.google.common.collect.ImmutableList; |
| |
| import org.checkerframework.checker.nullness.qual.Nullable; |
| |
| /** |
| * Table representing the ORDERS stream. |
| */ |
| public class OrdersTable extends BaseOrderStreamTable |
| implements StreamableTable { |
| private final ImmutableList<Object[]> rows; |
| |
| public OrdersTable(ImmutableList<Object[]> rows) { |
| this.rows = rows; |
| } |
| |
| public Enumerable<@Nullable Object[]> scan(DataContext root) { |
| return Linq4j.asEnumerable(rows); |
| } |
| |
| @Override public Table stream() { |
| return new OrdersTable(rows); |
| } |
| |
| @Override public boolean isRolledUp(String column) { |
| return false; |
| } |
| |
| @Override public boolean rolledUpColumnValidInsideAgg(String column, |
| SqlCall call, @Nullable SqlNode parent, @Nullable CalciteConnectionConfig config) { |
| return false; |
| } |
| } |