Examples with TnRelationKey org.dbflute.s2dao.rowcreator.TnRelationKey used on opensource projects

Example 1 with TnRelationKey

use of org.dbflute.s2dao.rowcreator.TnRelationKey in project dbflute-core by dbflute.

the class TnBeanListResultSetHandler method mappingFirstRelation.

/**
 * Do mapping first relation row. <br>
 * This logic is similar to next relation mapping in {@link TnRelationRowCreatorExtension}. <br>
 * So you should check it when this logic has modification.
 * @param rs The result set of JDBC, connecting to database here. (NotNull)
 * @param row The base point row. (NotNull)
 * @param rpt The property type of the relation. (NotNull)
 * @param selectColumnMap The map of select column. (NotNull)
 * @param selectIndexMap The map of select index. map:{entityNo(e.g. loc00 or _0_3) = map:{selectColumnKeyName = selectIndex}} (NullAllowed)
 * @param relPropCache The map of relation property cache. (NotNull)
 * @param relRowCache The cache of relation row. (NotNull)
 * @param relSelector The selector of relation, which can determines e.g. is it not-selected relation?. (NotNull)
 * @throws SQLException When it fails to handle the SQL.
 */
protected void mappingFirstRelation(ResultSet rs, Object row, TnRelationPropertyType rpt, Map<String, String> selectColumnMap, Map<String, Map<String, Integer>> selectIndexMap, Map<String, Map<String, TnPropertyMapping>> relPropCache, TnRelationRowCache relRowCache, TnRelationSelector relSelector) throws SQLException {
    final String relationNoSuffix = getFirstLevelRelationPath(rpt);
    final TnRelationKey relKey = // basic resource
    relRowCache.createRelationKey(// basic resource
    rs, // basic resource
    rpt, // select resource
    selectColumnMap, // select resource
    selectIndexMap, // indicates relation location
    relationNoSuffix);
    Object relationRow = null;
    if (relKey != null) {
        final boolean canUseRelationCache = relSelector.canUseRelationCache(relationNoSuffix);
        if (canUseRelationCache) {
            relationRow = relRowCache.getRelationRow(relationNoSuffix, relKey);
        }
        if (relationRow == null) {
            // when no cache
            relationRow = createRelationRow(// basic resource
            rs, // basic resource
            rpt, // select resource
            selectColumnMap, // select resource
            selectIndexMap, relKey, relPropCache, relRowCache, // relation resource
            relSelector);
            if (relationRow != null) {
                // is new created relation row
                adjustCreatedRelationRow(relationRow, relationNoSuffix, relSelector, rpt);
                if (canUseRelationCache) {
                    relRowCache.addRelationRow(relationNoSuffix, relKey, relationRow);
                }
            }
        }
    }
    // if exists, optional or plain value
    // if null, empty optional or nothing
    relationRow = filterOptionalRelationRowIfNeeds(row, rpt, relationRow);
    if (relationRow != null) {
        // exists or empty optional
        rpt.getPropertyAccessor().setValue(row, relationRow);
    }
}

Example 2 with TnRelationKey

use of org.dbflute.s2dao.rowcreator.TnRelationKey in project dbflute-core by dbflute.

the class TnRelationRowCreatorExtension method mappingNextRelation.

/**
 * Do mapping next relation row. <br>
 * This logic is similar to first relation mapping in {@link TnBeanListResultSetHandler}. <br>
 * So you should check it when this logic has modification.
 * @param res The resource of relation row creation. (NotNull)
 * @param row The base point row, which is previous relation row. (NotNull)
 * @throws SQLException When it fails to handle the SQL.
 */
protected void mappingNextRelation(TnRelationRowCreationResource res, Object row) throws SQLException {
    if (res.isStopCurrentRelationMapping()) {
        return;
    }
    // also saves it in resource
    final TnRelationKey relKey = res.prepareRelationKey();
    final TnRelationPropertyType rpt = res.getRelationPropertyType();
    Object relationRow = null;
    if (relKey != null) {
        final String relationNoSuffix = res.getRelationNoSuffix();
        final boolean canUseRelationCache = res.canUseRelationCache();
        TnRelationRowCache relRowCache = null;
        if (canUseRelationCache) {
            relRowCache = res.getRelRowCache();
            relationRow = relRowCache.getRelationRow(relationNoSuffix, relKey);
        }
        if (relationRow == null) {
            // when no cache
            relationRow = createRelationRow(res);
            if (relationRow != null) {
                // is new created relation row
                adjustCreatedRelationRow(relationRow, res.getRelationNoSuffix(), res.getRelationSelector(), rpt);
                if (canUseRelationCache) {
                    relRowCache.addRelationRow(relationNoSuffix, relKey, relationRow);
                }
            }
        }
    }
    // if exists, optional or plain value
    // if null, empty optional or nothing
    relationRow = filterOptionalRelationRowIfNeeds(row, rpt, relationRow);
    if (relationRow != null) {
        // exists or empty optional
        rpt.getPropertyAccessor().setValue(row, relationRow);
    }
}