Package org.hibernate.engine.query.spi

Examples of org.hibernate.engine.query.spi.HQLQueryPlan

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   *  Copied from org.hibernate.jpa.spi.AbstractEntityManagerImpl
   */
  private void resultClassChecking(Class resultClass, org.hibernate.Query hqlQuery) {
    // make sure the query is a select -> HHH-7192
    final SessionImplementor session = unwrap( SessionImplementor.class );
    final HQLQueryPlan queryPlan = session.getFactory().getQueryPlanCache()
        .getHQLQueryPlan( hqlQuery.getQueryString(), false, session.getLoadQueryInfluencers().getEnabledFilters() );
    if ( queryPlan.getTranslators()[0].isManipulationStatement() ) {
      throw new IllegalArgumentException( "Update/delete queries cannot be typed" );
    }

    // do some return type validation checking
    if ( Object[].class.equals( resultClass ) ) {
      // no validation needed
    }
    else if ( Tuple.class.equals( resultClass ) ) {
      TupleBuilderTransformer tupleTransformer = new TupleBuilderTransformer( hqlQuery );
      hqlQuery.setResultTransformer( tupleTransformer );
    }
    else {
      final Class dynamicInstantiationClass = queryPlan.getDynamicInstantiationResultType();
      if ( dynamicInstantiationClass != null ) {
        if ( !resultClass.isAssignableFrom( dynamicInstantiationClass ) ) {
          throw new IllegalArgumentException( "Mismatch in requested result type [" + resultClass.getName() + "] and actual result type ["
              + dynamicInstantiationClass.getName() + "]" );
        }
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  @Override
  public int executeUpdate(String query, QueryParameters queryParameters)
      throws HibernateException {
    errorIfClosed();
    queryParameters.validateParameters();
    HQLQueryPlan plan = getHQLQueryPlan( query, false );
    boolean success = false;
    int result = 0;
    try {
      result = plan.performExecuteUpdate( queryParameters, this );
      success = true;
    }
    finally {
      afterOperation(success);
    }
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  @Override
  public List list(String query, QueryParameters queryParameters) throws HibernateException {
    errorIfClosed();
    queryParameters.validateParameters();
    HQLQueryPlan plan = getHQLQueryPlan( query, false );
    boolean success = false;
    List results = Collections.EMPTY_LIST;
    try {
      results = plan.performList( queryParameters, this );
      success = true;
    }
    finally {
      afterOperation(success);
    }
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  }

  @Override
  public ScrollableResults scroll(String query, QueryParameters queryParameters) throws HibernateException {
    errorIfClosed();
    HQLQueryPlan plan = getHQLQueryPlan( query, false );
    return plan.performScroll( queryParameters, this );
  }
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  }

  protected void resultClassChecking(Class resultClass, org.hibernate.Query hqlQuery) {
    // make sure the query is a select -> HHH-7192
    final SessionImplementor session = unwrap( SessionImplementor.class );
    final HQLQueryPlan queryPlan = session.getFactory().getQueryPlanCache().getHQLQueryPlan(
        hqlQuery.getQueryString(),
        false,
        session.getLoadQueryInfluencers().getEnabledFilters()
    );
    if ( queryPlan.getTranslators()[0].isManipulationStatement() ) {
      throw new IllegalArgumentException( "Update/delete queries cannot be typed" );
    }

    // do some return type validation checking
    if ( Object[].class.equals( resultClass ) ) {
      // no validation needed
    }
    else if ( Tuple.class.equals( resultClass ) ) {
      TupleBuilderTransformer tupleTransformer = new TupleBuilderTransformer( hqlQuery );
      hqlQuery.setResultTransformer( tupleTransformer  );
    }
    else {
      final Class dynamicInstantiationClass = queryPlan.getDynamicInstantiationResultType();
      if ( dynamicInstantiationClass != null ) {
        if ( ! resultClass.isAssignableFrom( dynamicInstantiationClass ) ) {
          throw new IllegalArgumentException(
              "Mismatch in requested result type [" + resultClass.getName() +
                  "] and actual result type [" + dynamicInstantiationClass.getName() + "]"
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  public List list(String query, QueryParameters queryParameters) throws HibernateException {
    errorIfClosed();
    checkTransactionSynchStatus();
    queryParameters.validateParameters();
   
    HQLQueryPlan plan = queryParameters.getQueryPlan();
    if (plan == null) {
      plan = getHQLQueryPlan( query, false );
    }
   
    autoFlushIfRequired( plan.getQuerySpaces() );

    List results = Collections.EMPTY_LIST;
    boolean success = false;

    dontFlushFromFind++;   //stops flush being called multiple times if this method is recursively called
    try {
      results = plan.performList( queryParameters, this );
      success = true;
    }
    finally {
      dontFlushFromFind--;
      afterOperation(success);
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  @Override
  public int executeUpdate(String query, QueryParameters queryParameters) throws HibernateException {
    errorIfClosed();
    checkTransactionSynchStatus();
    queryParameters.validateParameters();
    HQLQueryPlan plan = getHQLQueryPlan( query, false );
    autoFlushIfRequired( plan.getQuerySpaces() );

    boolean success = false;
    int result = 0;
    try {
      result = plan.performExecuteUpdate( queryParameters, this );
      success = true;
    }
    finally {
      afterOperation(success);
      delayedAfterCompletion();
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  @Override
  public Iterator iterate(String query, QueryParameters queryParameters) throws HibernateException {
    errorIfClosed();
    checkTransactionSynchStatus();
    queryParameters.validateParameters();
    HQLQueryPlan plan = getHQLQueryPlan( query, true );
    autoFlushIfRequired( plan.getQuerySpaces() );

    dontFlushFromFind++; //stops flush being called multiple times if this method is recursively called
    try {
      return plan.performIterate( queryParameters, this );
    }
    finally {
      delayedAfterCompletion();
      dontFlushFromFind--;
    }
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  @Override
  public ScrollableResults scroll(String query, QueryParameters queryParameters) throws HibernateException {
    errorIfClosed();
    checkTransactionSynchStatus();
    HQLQueryPlan plan = getHQLQueryPlan( query, false );
    autoFlushIfRequired( plan.getQuerySpaces() );
    dontFlushFromFind++;
    try {
      return plan.performScroll( queryParameters, this );
    }
    finally {
      delayedAfterCompletion();
      dontFlushFromFind--;
    }
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      // do the translation
      org.hibernate.Query hqlQuery = getSession().createQuery( jpaqlString );

      // make sure the query is a select -> HHH-7192
      final SessionImplementor session = unwrap( SessionImplementor.class );
      final HQLQueryPlan queryPlan = session.getFactory().getQueryPlanCache().getHQLQueryPlan(
          jpaqlString,
          false,
          session.getLoadQueryInfluencers().getEnabledFilters()
      );
      if ( queryPlan.getTranslators()[0].isManipulationStatement() ) {
        throw new IllegalArgumentException( "Update/delete queries cannot be typed" );
      }

      // do some return type validation checking
      if ( Object[].class.equals( resultClass ) ) {
        // no validation needed
      }
      else if ( Tuple.class.equals( resultClass ) ) {
        TupleBuilderTransformer tupleTransformer = new TupleBuilderTransformer( hqlQuery );
        hqlQuery.setResultTransformer( tupleTransformer  );
      }
      else {
        final Class dynamicInstantiationClass = queryPlan.getDynamicInstantiationResultType();
        if ( dynamicInstantiationClass != null ) {
          if ( ! resultClass.isAssignableFrom( dynamicInstantiationClass ) ) {
            throw new IllegalArgumentException(
                "Mismatch in requested result type [" + resultClass.getName() +
                    "] and actual result type [" + dynamicInstantiationClass.getName() + "]"
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Related Classes of org.hibernate.engine.query.spi.HQLQueryPlan

  • org.hibernate.ejb.AbstractEntityManagerImpl
  • org.hibernate.engine.spi.QueryParameters
  • org.hibernate.engine.spi.RowSelection
  • org.hibernate.hql.spi.QueryTranslatorFactory
  • org.hibernate.internal.SessionImpl
  • org.hibernate.internal.StatelessSessionImpl
  • org.hibernate.internal.util.collections.IdentitySet
  • org.hibernate.internal.util.collections.JoinedIterator
  • org.hibernate.jpa.internal.QueryImpl
  • org.hibernate.jpa.spi.AbstractEntityManagerImpl
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