content: /*******************************************************************************
   * Copyright (C) 2021, 1C-Soft LLC and others.
   *
   * This program and the accompanying materials are made
   * available under the terms of the Eclipse Public License 2.0
   * which is available at https://www.eclipse.org/legal/epl-2.0/
   *
   * SPDX-License-Identifier: EPL-2.0
   *
   * Contributors:
   *     1C-Soft LLC - initial API and implementation
   *******************************************************************************/
  package com.e1c.v8codestyle.ql.check;
  
  import static com._1c.g5.v8.dt.ql.model.QlPackage.Literals.QUERY_SCHEMA_QUERY_SOURCE_JOIN__SOURCE;
  
  import org.eclipse.core.runtime.IProgressMonitor;
  import org.eclipse.emf.ecore.EObject;
  
  import com._1c.g5.v8.dt.ql.model.QuerySchemaNestedQuery;
  import com._1c.g5.v8.dt.ql.model.QuerySchemaQuerySourceJoin;
  import com.e1c.g5.v8.dt.check.CheckComplexity;
  import com.e1c.g5.v8.dt.check.ICheckParameters;
  import com.e1c.g5.v8.dt.check.settings.IssueSeverity;
  import com.e1c.g5.v8.dt.check.settings.IssueType;
  import com.e1c.g5.v8.dt.ql.check.QlBasicDelegateCheck;
  import com.e1c.v8codestyle.check.StandardCheckExtension;
  import com.e1c.v8codestyle.internal.ql.CorePlugin;
  
  /**
   * The check of QL query that join with sub query, which lead to performance decrease.
   *
   * @author Dmitriy Marmyshev
   */
  public class JoinToSubQuery
      extends QlBasicDelegateCheck
  {
  
      private static final String CHECK_ID = "ql-join-to-sub-query"; //$NON-NLS-1$
  
      @Override
      public String getCheckId()
      {
          return CHECK_ID;
      }
  
      @Override
      protected void configureCheck(CheckConfigurer builder)
      {
          builder.title(Messages.JoinToSubQuery_title)
              .description(Messages.JoinToSubQuery_description)
              .complexity(CheckComplexity.NORMAL)
              .severity(IssueSeverity.MAJOR)
              .issueType(IssueType.PERFORMANCE)
              .extension(new StandardCheckExtension(655, getCheckId(), CorePlugin.PLUGIN_ID))
              .delegate(QuerySchemaQuerySourceJoin.class);
      }
  
      @Override
      protected void checkQlObject(EObject object, QueryOwner owner, IQlResultAcceptor resultAceptor,
          ICheckParameters parameters, IProgressMonitor monitor)
      {
          QuerySchemaQuerySourceJoin join = (QuerySchemaQuerySourceJoin)object;
  
          if (join.getSource() != null && join.getSource().getSource() instanceof QuerySchemaNestedQuery)
          {
              resultAceptor.addIssue(Messages.JoinToSubQuery_Query_join_to_sub_query_not_allowed, object,
                  QUERY_SCHEMA_QUERY_SOURCE_JOIN__SOURCE);
          }
      }
  
  }
  