org.hibernate.internal.util.collections.ArrayHelper#toTypeArray ( )源码实例Demo

@Override
protected void autoDiscoverTypes(ResultSet rs) {
	try {
		JdbcResultMetadata metadata = new JdbcResultMetadata( getFactory(), rs );
		rowProcessor.prepareForAutoDiscovery( metadata );

		List<String> aliases = new ArrayList<>();
		List<Type> types = new ArrayList<>();
		for ( ResultColumnProcessor resultProcessor : rowProcessor.getColumnProcessors() ) {
			resultProcessor.performDiscovery( metadata, types, aliases );
		}

		validateAliases( aliases );

		resultTypes = ArrayHelper.toTypeArray( types );
		transformerAliases = ArrayHelper.toStringArray( aliases );
	}
	catch (SQLException e) {
		throw new HibernateException( "Exception while trying to autodiscover types.", e );
	}
}
 

public CriteriaJoinWalker(
		final OuterJoinLoadable persister,
		final CriteriaQueryTranslator translator,
		final SessionFactoryImplementor factory,
		final CriteriaImpl criteria,
		final String rootEntityName,
		final LoadQueryInfluencers loadQueryInfluencers,
		final String alias) {
	super( persister, factory, loadQueryInfluencers, alias );

	this.translator = translator;

	querySpaces = translator.getQuerySpaces();

	if ( translator.hasProjection() ) {
		initProjection(
				translator.getSelect(),
				translator.getWhereCondition(),
				translator.getOrderBy(),
				translator.getGroupBy(),
				LockOptions.NONE
		);
		resultTypes = translator.getProjectedTypes();
		userAliases = translator.getProjectedAliases();
		includeInResultRow = new boolean[resultTypes.length];
		Arrays.fill( includeInResultRow, true );
	}
	else {
		initAll( translator.getWhereCondition(), translator.getOrderBy(), LockOptions.NONE );
		// root entity comes last
		userAliasList.add( criteria.getAlias() ); //root entity comes *last*
		resultTypeList.add( translator.getResultType( criteria ) );
		includeInResultRowList.add( true );
		userAliases = ArrayHelper.toStringArray( userAliasList );
		resultTypes = ArrayHelper.toTypeArray( resultTypeList );
		includeInResultRow = ArrayHelper.toBooleanArray( includeInResultRowList );
	}
}
 

private void initializeColumns() {
	AST propertySpec = getFirstChild();
	List types = new ArrayList();
	visitPropertySpecNodes( propertySpec.getFirstChild(), types );
	this.types = ArrayHelper.toTypeArray( types );
	columnSpec = columnSpec.substring( 0, columnSpec.length() - 2 );
}