Package org.hibernate.persister.entity

Examples of org.hibernate.persister.entity.Queryable$Declarer


  private StatementExecutor buildAppropriateStatementExecutor(HqlSqlWalker walker) {
    Statement statement = ( Statement ) walker.getAST();
    if ( walker.getStatementType() == HqlSqlTokenTypes.DELETE ) {
      FromElement fromElement = walker.getFinalFromClause().getFromElement();
      Queryable persister = fromElement.getQueryable();
      if ( persister.isMultiTable() ) {
        return new MultiTableDeleteExecutor( walker );
      }
      else {
        return new BasicExecutor( walker, persister );
      }
    }
    else if ( walker.getStatementType() == HqlSqlTokenTypes.UPDATE ) {
      FromElement fromElement = walker.getFinalFromClause().getFromElement();
      Queryable persister = fromElement.getQueryable();
      if ( persister.isMultiTable() ) {
        // even here, if only properties mapped to the "base table" are referenced
        // in the set and where clauses, this could be handled by the BasicDelegate.
        // TODO : decide if it is better performance-wise to perform that check, or to simply use the MultiTableUpdateDelegate
        return new MultiTableUpdateExecutor( walker );
      }
View Full Code Here


        throw new QueryException( "alias not found: " + name );
      }
      return getCollectionPersister( role ); //.getElementPropertyMapping();
    }
    else {
      Queryable persister = getEntityPersister( type );
      if ( persister == null ) throw new QueryException( "persistent class not found: " + type );
      return persister;
    }
  }
View Full Code Here

    decoratedPropertyMappings.put( name, mapping );
  }

  private Queryable getEntityPersisterForName(String name) throws QueryException {
    String type = getType( name );
    Queryable persister = getEntityPersister( type );
    if ( persister == null ) throw new QueryException( "persistent class not found: " + type );
    return persister;
  }
View Full Code Here

  protected void postProcessDML(RestrictableStatement statement) throws SemanticException {
    statement.getFromClause().resolve();

    FromElement fromElement = ( FromElement ) statement.getFromClause().getFromElements().get( 0 );
    Queryable persister = fromElement.getQueryable();
    // Make #@%$^#^&# sure no alias is applied to the table name
    fromElement.setText( persister.getTableName() );

    // append any filter fragments; the EMPTY_MAP is used under the assumption that
    // currently enabled filters should not affect this process
    if ( persister.getDiscriminatorType() != null ) {
      new SyntheticAndFactory( getASTFactory() ).addDiscriminatorWhereFragment(
              statement,
              persister,
              java.util.Collections.EMPTY_MAP,
              fromElement.getTableAlias()
View Full Code Here

      CollectionPersister p = getCollectionPersister( ( String ) iter.next() );
      addQuerySpaces( p.getCollectionSpaces() );
    }
    iter = typeMap.keySet().iterator();
    while ( iter.hasNext() ) {
      Queryable p = getEntityPersisterForName( ( String ) iter.next() );
      addQuerySpaces( p.getQuerySpaces() );
    }

    sqlString = sql.toQueryString();

    if ( holderClass != null ) holderConstructor = ReflectHelper.getConstructor( holderClass, returnTypes );
View Full Code Here

  protected void postProcessInsert(AST insert) throws SemanticException, QueryException {
    InsertStatement insertStatement = ( InsertStatement ) insert;
    insertStatement.validate();

    SelectClause selectClause = insertStatement.getSelectClause();
    Queryable persister = insertStatement.getIntoClause().getQueryable();

    if ( !insertStatement.getIntoClause().isExplicitIdInsertion() ) {
      // We need to generate ids as part of this bulk insert.
      //
      // Note that this is only supported for sequence-style generators and
      // post-insert-style generators; basically, only in-db generators
      IdentifierGenerator generator = persister.getIdentifierGenerator();
      if ( !supportsIdGenWithBulkInsertion( generator ) ) {
        throw new QueryException( "can only generate ids as part of bulk insert with either sequence or post-insert style generators" );
      }

      AST idSelectExprNode = null;

      if ( SequenceGenerator.class.isAssignableFrom( generator.getClass() ) ) {
        String seqName = ( String ) ( ( SequenceGenerator ) generator ).generatorKey();
        String nextval = sessionFactoryHelper.getFactory().getDialect().getSelectSequenceNextValString( seqName );
        idSelectExprNode = getASTFactory().create( HqlSqlTokenTypes.SQL_TOKEN, nextval );
      }
      else {
        //Don't need this, because we should never ever be selecting no columns in an insert ... select...
        //and because it causes a bug on DB2
        /*String idInsertString = sessionFactoryHelper.getFactory().getDialect().getIdentityInsertString();
        if ( idInsertString != null ) {
          idSelectExprNode = getASTFactory().create( HqlSqlTokenTypes.SQL_TOKEN, idInsertString );
        }*/
      }

      if ( idSelectExprNode != null ) {
        AST currentFirstSelectExprNode = selectClause.getFirstChild();
        selectClause.setFirstChild( idSelectExprNode );
        idSelectExprNode.setNextSibling( currentFirstSelectExprNode );

        insertStatement.getIntoClause().prependIdColumnSpec();
      }
    }

    final boolean includeVersionProperty = persister.isVersioned() &&
        !insertStatement.getIntoClause().isExplicitVersionInsertion() &&
        persister.isVersionPropertyInsertable();
    if ( includeVersionProperty ) {
      // We need to seed the version value as part of this bulk insert
      VersionType versionType = persister.getVersionType();
      AST versionValueNode = null;

      if ( sessionFactoryHelper.getFactory().getDialect().supportsParametersInInsertSelect() ) {
        versionValueNode = getASTFactory().create( HqlSqlTokenTypes.PARAM, "?" );
        ParameterSpecification paramSpec = new VersionTypeSeedParameterSpecification( versionType );
View Full Code Here

    return numberOfParametersInSetClause;
  }

  protected void evaluateAssignment(AST eq) throws SemanticException {
    prepareLogicOperator( eq );
    Queryable persister = getCurrentFromClause().getFromElement().getQueryable();
    evaluateAssignment( eq, persister, -1 );
  }
View Full Code Here

  public ArrayList getAssignmentSpecifications() {
    return assignmentSpecifications;
  }

  protected AST createIntoClause(String path, AST propertySpec) throws SemanticException {
    Queryable persister = ( Queryable ) getSessionFactoryHelper().requireClassPersister( path );

    IntoClause intoClause = ( IntoClause ) getASTFactory().create( INTO, persister.getEntityName() );
    intoClause.setFirstChild( propertySpec );
    intoClause.initialize( persister );

    addQuerySpaces( persister.getQuerySpaces() );

    return intoClause;
  }
View Full Code Here

  protected void prepareVersioned(AST updateNode, AST versioned) throws SemanticException {
    UpdateStatement updateStatement = ( UpdateStatement ) updateNode;
    FromClause fromClause = updateStatement.getFromClause();
    if ( versioned != null ) {
      // Make sure that the persister is versioned
      Queryable persister = fromClause.getFromElement().getQueryable();
      if ( !persister.isVersioned() ) {
        throw new SemanticException( "increment option specified for update of non-versioned entity" );
      }

      VersionType versionType = persister.getVersionType();
      if ( versionType instanceof UserVersionType ) {
        throw new SemanticException( "user-defined version types not supported for increment option" );
      }

      AST eq = getASTFactory().create( HqlSqlTokenTypes.EQ, "=" );
View Full Code Here

        throw new QueryException( "alias not found: " + name );
      }
      return getCollectionPersister( role ); //.getElementPropertyMapping();
    }
    else {
      Queryable persister = getEntityPersister( type );
      if ( persister == null ) throw new QueryException( "persistent class not found: " + type );
      return persister;
    }
  }
View Full Code Here

TOP

Related Classes of org.hibernate.persister.entity.Queryable$Declarer

Copyright © 2018 www.massapicom. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.