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   * 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
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   * <p/>
   * https://www.apache.org/licenses/LICENSE-2.0
   * <p/>
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  package org.apache.cayenne.query;
  
  import org.apache.cayenne.ObjectContext;
  import org.apache.cayenne.QueryResponse;
  import org.apache.cayenne.QueryResult;
  import org.apache.cayenne.util.QueryResultBuilder;
  
  import java.util.List;
  import java.util.Map;
  
  /**
   * A query that represents a named parameterized non selecting query stored in the mapping. The
   * actual query is resolved during execution.
   *
   * @since 4.0
   */
  public class MappedExec extends AbstractMappedQuery {
  
      public static MappedExec query(String queryName) {
          return new MappedExec(queryName);
      }
  
      protected MappedExec(String queryName) {
          super(queryName);
      }
  
      @Override
      public MappedExec params(Map<String, ?> parameters) {
          return (MappedExec) super.params(parameters);
      }
  
      @Override
      public MappedExec param(String name, Object value) {
          return (MappedExec) super.param(name, value);
      }
  
  
      public QueryResult execute(ObjectContext context) {
          // TODO: switch ObjectContext to QueryResult instead of QueryResponse
          // and create its own 'exec' method
          QueryResponse response = context.performGenericQuery(this);
  
          QueryResultBuilder builder = QueryResultBuilder.builder(response.size());
          for (response.reset(); response.next(); ) {
  
              if (response.isList()) {
                  builder.addSelectResult(response.currentList());
              } else {
                  builder.addBatchUpdateResult(response.currentUpdateCount());
              }
          }
  
          return builder.build();
      }
  
      public int[] update(ObjectContext context) {
          return context.performGenericQuery(this).firstUpdateCount();
      }
  }
  