Examples of org.hibernate.engine.query.HQLQueryPlan

org.hibernate.engine.query.HQLQueryPlan
Defines a query execution plan for an HQL query (or filter). @author Steve Ebersole

  //TODO: COPY/PASTE FROM SessionImpl, pull up!


  public List list(String query, QueryParameters queryParameters) throws HibernateException {
    errorIfClosed();
    queryParameters.validateParameters();
    HQLQueryPlan plan = getHQLQueryPlan( query, false );
    boolean success = false;
    List results = CollectionHelper.EMPTY_LIST;
    try {
      results = plan.performList( queryParameters, this );
      success = true;
    }
    finally {
      afterOperation(success);
    }

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    return loader.scroll(queryParameters, this);
  }


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

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    assertEquals( "incorrect expected param type", Hibernate.DOUBLE, translator.getParameterTranslations().getOrdinalParameterExpectedType( 1 ) );


  }


  public void testReturnMetadata() {
    HQLQueryPlan plan = createQueryPlan( "from Animal a" );
    check( plan.getReturnMetadata(), false, true );


    plan = createQueryPlan( "select a as animal from Animal a" );
    check( plan.getReturnMetadata(), false, false );


    plan = createQueryPlan( "from java.lang.Object" );
    check( plan.getReturnMetadata(), true, true );


    plan = createQueryPlan( "select o as entity from java.lang.Object o" );
    check( plan.getReturnMetadata(), true, false );
  }

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  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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  //TODO: COPY/PASTE FROM SessionImpl, pull up!


  public List list(String query, QueryParameters queryParameters) throws HibernateException {
    errorIfClosed();
    queryParameters.validateParameters();
    HQLQueryPlan plan = getHQLQueryPlan( query, false );
    boolean success = false;
    List results = CollectionHelper.EMPTY_LIST;
    try {
      results = plan.performList( queryParameters, this );
      success = true;
    }
    finally {
      afterOperation(success);
    }

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    return loader.scroll(queryParameters, this);
  }


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

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  public List list(String query, QueryParameters queryParameters) throws HibernateException {
    errorIfClosed();
    checkTransactionSynchStatus();
    queryParameters.validateParameters();
    HQLQueryPlan plan = getHQLQueryPlan( query, false );
    autoFlushIfRequired( plan.getQuerySpaces() );


    List results = CollectionHelper.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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  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);
    }

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  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 {
      dontFlushFromFind--;
    }
  }

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  }


  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 {
      dontFlushFromFind--;
    }
  }

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org.hibernate.cfg.Settings

org.hibernate.ejb.AbstractEntityManagerImpl

org.hibernate.engine.QueryParameters

org.hibernate.engine.RowSelection

org.hibernate.hql.QueryTranslatorFactory

org.hibernate.impl.AbstractSessionImpl

org.hibernate.impl.SessionImpl

org.hibernate.impl.StatelessSessionImpl

org.hibernate.internal.util.collections.IdentitySet

org.hibernate.internal.util.collections.JoinedIterator

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