| /* |
| * 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.drill.exec.physical.base; |
| |
| import org.apache.drill.exec.record.RecordBatch; |
| import org.apache.drill.exec.record.RecordBatch.IterOutcome; |
| |
| /** |
| * Contract between Lateral Join and any operator on right side of it consuming the input |
| * from left side. |
| */ |
| public interface LateralContract { |
| |
| /** |
| * Get reference to left side incoming of {@link org.apache.drill.exec.physical.impl.join.LateralJoinBatch}. |
| * @return The incoming {@link org.apache.drill.exec.record.RecordBatch} |
| */ |
| RecordBatch getIncoming(); |
| |
| /** |
| * Get current record index in incoming to be processed. |
| * @return The current record index in incoming to be processed. |
| */ |
| int getRecordIndex(); |
| |
| /** |
| * Get the current outcome of left incoming batch. |
| * @return The current outcome of left incoming batch. |
| */ |
| IterOutcome getLeftOutcome(); |
| } |