Package org.hibernate.engine

Examples of org.hibernate.engine.JoinSequence$Join

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    Iterator iter = joins.entrySet().iterator();
    while ( iter.hasNext() ) {
      Map.Entry me = ( Map.Entry ) iter.next();
      String name = ( String ) me.getKey();
      JoinSequence join = ( JoinSequence ) me.getValue();
      join.setSelector( new JoinSequence.Selector() {
        public boolean includeSubclasses(String alias) {
          boolean include = returnedTypes.contains( alias ) && !isShallowQuery();
          return include;
        }
      } );

      if ( typeMap.containsKey( name ) ) {
        ojf.addFragment( join.toJoinFragment( enabledFilters, true ) );
      }
      else if ( collections.containsKey( name ) ) {
        ojf.addFragment( join.toJoinFragment( enabledFilters, true ) );
      }
      else {
        //name from a super query (a bit inelegant that it shows up here)
      }
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    String[] keyColumnNames = persister.getKeyColumnNames();
    //if (keyColumnNames.length!=1) throw new QueryException("composite-key collection in filter: " + collectionRole);

    String collectionName;
    JoinSequence join = new JoinSequence( getFactory() );
    collectionName = persister.isOneToMany() ?
        elementName :
        createNameForCollection( collectionRole );
    join.setRoot( persister, collectionName );
    if ( !persister.isOneToMany() ) {
      //many-to-many
      addCollection( collectionName, collectionRole );
      try {
        join.addJoin( ( AssociationType ) persister.getElementType(),
            elementName,
            JoinFragment.INNER_JOIN,
            persister.getElementColumnNames(collectionName) );
      }
      catch ( MappingException me ) {
        throw new QueryException( me );
      }
    }
    join.addCondition( collectionName, keyColumnNames, " = ?" );
    //if ( persister.hasWhere() ) join.addCondition( persister.getSQLWhereString(collectionName) );
    EntityType elemType = ( EntityType ) collectionElementType;
    addFrom( elementName, elemType.getAssociatedEntityName(), join );

  }
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    // owner and the collection elements.
    String[] keyColumnNames = persister.getKeyColumnNames();
    String fkTableAlias = persister.isOneToMany()
        ? fromElement.getTableAlias()
        : fromClause.getAliasGenerator().createName( collectionFilterRole );
    JoinSequence join = sessionFactoryHelper.createJoinSequence();
    join.setRoot( persister, fkTableAlias );
    if ( !persister.isOneToMany() ) {
      join.addJoin( ( AssociationType ) persister.getElementType(),
          fromElement.getTableAlias(),
          JoinFragment.INNER_JOIN,
          persister.getElementColumnNames( fkTableAlias ) );
    }
    join.addCondition( fkTableAlias, keyColumnNames, " = ?" );
    fromElement.setJoinSequence( join );
    fromElement.setFilter( true );
    if ( log.isDebugEnabled() ) {
      log.debug( "createFromFilterElement() : processed filter FROM element." );
    }
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    // Iterate through the alias,JoinSequence pairs and generate SQL token nodes.
    Iterator iter = fromElements.iterator();
    while ( iter.hasNext() ) {
      final FromElement fromElement = ( FromElement ) iter.next();
      JoinSequence join = fromElement.getJoinSequence();
      join.setSelector(
          new JoinSequence.Selector() {
            public boolean includeSubclasses(String alias) {
              // The uber-rule here is that we need to include  subclass joins if
              // the FromElement is in any way dereferenced by a property from
              // the subclass table; otherwise we end up with column references
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    if ( alias != null ) {
      reset( q ); //reset the dotcount (but not the path)
      currentName = alias; //after reset!
      currentPropertyMapping = q.getPropertyMapping( currentName );
      if ( !ignoreInitialJoin ) {
        JoinSequence ojf = q.getPathJoin( path.toString() );
        try {
          joinSequence.addCondition( ojf.toJoinFragment( q.getEnabledFilters(), true ).toWhereFragmentString() ); //after reset!
        }
        catch ( MappingException me ) {
          throw new QueryException( me );
        }
        // we don't need to worry about any condition in the ON clause
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  public void start(QueryTranslatorImpl q) {
    if ( !continuation ) {
      reset( q );
      path.setLength( 0 );
      joinSequence = new JoinSequence( q.getFactory() ).setUseThetaStyle( useThetaStyleJoin );
    }
  }
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    if ( !collPersister.hasIndex() ) throw new QueryException( "unindexed collection before []: " + path );
    String[] indexCols = collPersister.getIndexColumnNames();
    if ( indexCols.length != 1 ) throw new QueryException( "composite-index appears in []: " + path );
    //String[] keyCols = collPersister.getKeyColumnNames();

    JoinSequence fromJoins = new JoinSequence( q.getFactory() )
        .setUseThetaStyle( useThetaStyleJoin )
        .setRoot( collPersister, collectionName )
        .setNext( joinSequence.copy() );

    if ( !continuation ) addJoin( collectionName, collPersister.getCollectionType() );
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    boolean useFoundFromElement = found && ( elem.isImplied() || areSame( classAlias, elem.getClassAlias() ) );

    if ( ! useFoundFromElement ) {
      // If this is an implied join in a from element, then use the impled join type which is part of the
      // tree parser's state (set by the gramamar actions).
      JoinSequence joinSequence = getSessionFactoryHelper()
        .createJoinSequence( impliedJoin, propertyType, tableAlias, joinType, joinColumns );

      FromElementFactory factory = new FromElementFactory(
              currentFromClause,
          getLhs().getFromElement(),
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    // owner and the collection elements.
    String[] keyColumnNames = persister.getKeyColumnNames();
    String fkTableAlias = persister.isOneToMany()
        ? fromElement.getTableAlias()
        : fromClause.getAliasGenerator().createName( collectionFilterRole );
    JoinSequence join = sessionFactoryHelper.createJoinSequence();
    join.setRoot( persister, fkTableAlias );
    if ( !persister.isOneToMany() ) {
      join.addJoin( ( AssociationType ) persister.getElementType(),
          fromElement.getTableAlias(),
          JoinFragment.INNER_JOIN,
          persister.getElementColumnNames( fkTableAlias ) );
    }
    join.addCondition( fkTableAlias, keyColumnNames, " = ?" );
    fromElement.setJoinSequence( join );
    fromElement.setFilter( true );
    if ( log.isDebugEnabled() ) {
      log.debug( "createFromFilterElement() : processed filter FROM element." );
    }
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    if ( alias != null ) {
      reset( q ); //reset the dotcount (but not the path)
      currentName = alias; //after reset!
      currentPropertyMapping = q.getPropertyMapping( currentName );
      if ( !ignoreInitialJoin ) {
        JoinSequence ojf = q.getPathJoin( path.toString() );
        try {
          joinSequence.addCondition( ojf.toJoinFragment( q.getEnabledFilters(), true ).toWhereFragmentString() ); //after reset!
        }
        catch ( MappingException me ) {
          throw new QueryException( me );
        }
        // we don't need to worry about any condition in the ON clause
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