Examples with ColumnDescriptor org.apache.cayenne.access.jdbc.ColumnDescriptor used on opensource projects

Example 16 with ColumnDescriptor

use of org.apache.cayenne.access.jdbc.ColumnDescriptor in project cayenne by apache.

the class DefaultTransformerFactory method decryptor.

@Override
public MapTransformer decryptor(ColumnDescriptor[] columns, Object sampleRow) {
    if (!(sampleRow instanceof Map)) {
        return null;
    }
    int len = columns.length;
    List<Integer> cryptoColumns = null;
    for (int i = 0; i < len; i++) {
        DbAttribute a = columns[i].getAttribute();
        if (a != null && columnMapper.isEncrypted(a)) {
            if (cryptoColumns == null) {
                cryptoColumns = new ArrayList<>(len - i);
            }
            cryptoColumns.add(i);
        }
    }
    if (cryptoColumns != null) {
        int dlen = cryptoColumns.size();
        String[] mapKeys = new String[dlen];
        ValueDecryptor[] transformers = new ValueDecryptor[dlen];
        for (int i = 0; i < dlen; i++) {
            ColumnDescriptor cd = columns[cryptoColumns.get(i)];
            mapKeys[i] = cd.getDataRowKey();
            transformers[i] = transformerFactory.decryptor(cd.getAttribute());
        }
        return new DefaultMapTransformer(mapKeys, transformers, bytesTransformerFactory.decryptor());
    }
    return null;
}

Example 17 with ColumnDescriptor

use of org.apache.cayenne.access.jdbc.ColumnDescriptor in project cayenne by apache.

the class ResultDirective method render.

@Override
public boolean render(InternalContextAdapter context, Writer writer, Node node) throws IOException, ResourceNotFoundException, ParseErrorException, MethodInvocationException {
    String column = getChildAsString(context, node, 0);
    if (column == null) {
        throw new ParseErrorException("Column name expected at line " + node.getLine() + ", column " + node.getColumn());
    }
    String alias = getChildAsString(context, node, 2);
    String dataRowKey = getChildAsString(context, node, 3);
    // determine what we want to name this column in a resulting DataRow...
    String label = (!Util.isEmptyString(dataRowKey)) ? dataRowKey : (!Util.isEmptyString(alias)) ? alias : null;
    ColumnDescriptor columnDescriptor = new ColumnDescriptor();
    columnDescriptor.setName(column);
    columnDescriptor.setDataRowKey(label);
    String type = getChildAsString(context, node, 1);
    if (type != null) {
        columnDescriptor.setJavaClass(guessType(type));
    }
    // TODO: andrus 6/27/2007 - this is an unofficial jdbcType parameter
    // that is added
    // temporarily pending CAY-813 implementation for the sake of EJBQL
    // query...
    Object jdbcType = getChild(context, node, 4);
    if (jdbcType instanceof Number) {
        columnDescriptor.setJdbcType(((Number) jdbcType).intValue());
    }
    writer.write(column);
    // won't probably buy us much.
    if (!Util.isEmptyString(alias) && !alias.equals(column)) {
        writer.write(" AS ");
        writer.write(alias);
    }
    bindResult(context, columnDescriptor);
    return true;
}