| /* |
| * 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.wayang.flink.execution; |
| |
| import java.io.Serializable; |
| import java.util.Collection; |
| import org.apache.flink.api.common.functions.RichFunction; |
| import org.apache.wayang.core.function.ExecutionContext; |
| import org.apache.wayang.core.platform.ChannelInstance; |
| import org.apache.wayang.flink.operators.FlinkExecutionOperator; |
| import org.apache.wayang.flink.platform.FlinkPlatform; |
| |
| /** |
| * {@link ExecutionContext} implementation for the {@link FlinkPlatform}. |
| */ |
| public class FlinkExecutionContext implements ExecutionContext, Serializable { |
| |
| private transient FlinkExecutionOperator operator; |
| |
| private transient final ChannelInstance[] inputs; |
| |
| private transient int iterationNumber; |
| |
| private RichFunction richFunction; |
| |
| |
| public FlinkExecutionContext(FlinkExecutionOperator operator, ChannelInstance[] inputs, int iterationNumber) { |
| this.operator = operator; |
| this.inputs = inputs; |
| this.iterationNumber = iterationNumber; |
| } |
| |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public <Type> Collection<Type> getBroadcast(String name) { |
| return this.richFunction.getRuntimeContext().getBroadcastVariable(name); |
| } |
| |
| public void setRichFunction(RichFunction richFunction){ |
| this.richFunction = richFunction; |
| } |
| |
| @Override |
| public int getCurrentIteration() { |
| return this.iterationNumber; |
| } |
| } |