| /* |
| * 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.flink.table.plan.schema |
| |
| import org.apache.flink.streaming.api.datastream.DataStream |
| import org.apache.flink.table.api.scala._ |
| import org.apache.flink.table.plan.stats.{FlinkStatistic, TableStats} |
| |
| class DataStreamTable[T]( |
| val dataStream: DataStream[T], |
| val producesUpdates: Boolean, |
| val isAccRetract: Boolean, |
| override val fieldIndexes: Array[Int], |
| override val fieldNames: Array[String], |
| statistic: FlinkStatistic = FlinkStatistic.UNKNOWN) |
| extends InlineTable(dataStream.getType, fieldIndexes, fieldNames, statistic) { |
| |
| // This is only used for boundedStream now, we supply default statistic. |
| def this( |
| stream: DataStream[T], |
| fieldIndexes: Array[Int], |
| fieldNames: Array[String]) { |
| this(stream, false, false, fieldIndexes, fieldNames, |
| FlinkStatistic.builder.tableStats((TableStats(1000L))).build()) |
| } |
| |
| /** |
| * Creates a copy of this table, changing statistic. |
| * |
| * @param statistic A new FlinkStatistic. |
| * @return Copy of this table, substituting statistic. |
| */ |
| override def copy(statistic: FlinkStatistic): FlinkTable = |
| new DataStreamTable( |
| dataStream, producesUpdates, isAccRetract, fieldIndexes, fieldNames, statistic) |
| } |