content: /*
   * 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.interpreter;
  
  import org.apache.calcite.rel.core.Match;
  
  /**
   * Interpreter node that implements a
   * {@link Match}.
   */
  public class MatchNode extends AbstractSingleNode<Match> {
    MatchNode(Compiler compiler, Match rel) {
      super(compiler, rel);
    }
  
    @Override public void run() throws InterruptedException {
      Row row;
      while ((row = source.receive()) != null) {
        sink.send(row);
      }
      sink.end();
    }
  }
  