github-actions[bot] opened a new issue, #375:
URL: https://github.com/apache/incubator-wayang/issues/375

   check why this does not work because of the List<V> generic type
   
   public void open(ExecutionContext executionContext) {
   
   context = 
executionContext.<ML4allGlobalVars>getBroadcast("context").iterator().next();
   
   
https://github.com/apache/incubator-wayang/blob/d75a5723989928ac2e633d76bf665b2a5cb3eaf1/wayang-ml4all/src/main/java/org/apache/wayang/ml4all/abstraction/plan/wrappers/AssignWrapper.java#L26
   
   ```java
   
   /*
    * 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.ml4all.abstraction.plan.wrappers;
   
   import org.apache.wayang.ml4all.abstraction.api.Update;
   import org.apache.wayang.ml4all.abstraction.plan.ML4allGlobalVars;
   
   import java.util.List;
   
   public class AssignWrapper<R> extends 
LogicalOperatorWrapperWithContext<ML4allGlobalVars, List<R>> { //TODO:check why 
this does not work because of the List<V> generic type
   
       Update<R,?> logOp;
   
       public AssignWrapper(Update logOp) {
           this.logOp = logOp;
       }
   
       @Override
       public ML4allGlobalVars apply(List<R> o) {
           ML4allGlobalVars newContext = context.clone();
           return this.logOp.assign(o, newContext);
       }
   
       @Override
       public void initialise() {
   
       }
   
   //    @Override
   //    public void open(ExecutionContext executionContext) {
   //        context = 
executionContext.<ML4allGlobalVars>getBroadcast("context").iterator().next();
   //
   //    }
   }
   
   ```
   
   c3d0a623a7d8e7bac13e2adf6316762638dd2b33


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