Examples with TypeHandler org.apache.ibatis.type.TypeHandler used on opensource projects

Example 6 with TypeHandler

use of org.apache.ibatis.type.TypeHandler in project mybatis-3 by mybatis.

the class DefaultResultSetHandler method createParameterizedResultObject.

Object createParameterizedResultObject(ResultSetWrapper rsw, Class<?> resultType, List<ResultMapping> constructorMappings, List<Class<?>> constructorArgTypes, List<Object> constructorArgs, String columnPrefix) {
    boolean foundValues = false;
    for (ResultMapping constructorMapping : constructorMappings) {
        final Class<?> parameterType = constructorMapping.getJavaType();
        final String column = constructorMapping.getColumn();
        final Object value;
        try {
            if (constructorMapping.getNestedQueryId() != null) {
                value = getNestedQueryConstructorValue(rsw.getResultSet(), constructorMapping, columnPrefix);
            } else if (constructorMapping.getNestedResultMapId() != null) {
                final ResultMap resultMap = configuration.getResultMap(constructorMapping.getNestedResultMapId());
                value = getRowValue(rsw, resultMap);
            } else {
                final TypeHandler<?> typeHandler = constructorMapping.getTypeHandler();
                value = typeHandler.getResult(rsw.getResultSet(), prependPrefix(column, columnPrefix));
            }
        } catch (ResultMapException e) {
            throw new ExecutorException("Could not process result for mapping: " + constructorMapping, e);
        } catch (SQLException e) {
            throw new ExecutorException("Could not process result for mapping: " + constructorMapping, e);
        }
        constructorArgTypes.add(parameterType);
        constructorArgs.add(value);
        foundValues = value != null || foundValues;
    }
    return foundValues ? objectFactory.create(resultType, constructorArgTypes, constructorArgs) : null;
}

Example 7 with TypeHandler

use of org.apache.ibatis.type.TypeHandler in project mybatis-3 by mybatis.

the class SqlRunner method getResults.

private List<Map<String, Object>> getResults(ResultSet rs) throws SQLException {
    try {
        List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
        List<String> columns = new ArrayList<String>();
        List<TypeHandler<?>> typeHandlers = new ArrayList<TypeHandler<?>>();
        ResultSetMetaData rsmd = rs.getMetaData();
        for (int i = 0, n = rsmd.getColumnCount(); i < n; i++) {
            columns.add(rsmd.getColumnLabel(i + 1));
            try {
                Class<?> type = Resources.classForName(rsmd.getColumnClassName(i + 1));
                TypeHandler<?> typeHandler = typeHandlerRegistry.getTypeHandler(type);
                if (typeHandler == null) {
                    typeHandler = typeHandlerRegistry.getTypeHandler(Object.class);
                }
                typeHandlers.add(typeHandler);
            } catch (Exception e) {
                typeHandlers.add(typeHandlerRegistry.getTypeHandler(Object.class));
            }
        }
        while (rs.next()) {
            Map<String, Object> row = new HashMap<String, Object>();
            for (int i = 0, n = columns.size(); i < n; i++) {
                String name = columns.get(i);
                TypeHandler<?> handler = typeHandlers.get(i);
                row.put(name.toUpperCase(Locale.ENGLISH), handler.getResult(rs, name));
            }
            list.add(row);
        }
        return list;
    } finally {
        if (rs != null) {
            try {
                rs.close();
            } catch (Exception e) {
            // ignore
            }
        }
    }
}

Example 8 with TypeHandler

use of org.apache.ibatis.type.TypeHandler in project mybatis-3 by mybatis.

the class MapperAnnotationBuilder method applyConstructorArgs.

private void applyConstructorArgs(Arg[] args, Class<?> resultType, List<ResultMapping> resultMappings) {
    for (Arg arg : args) {
        List<ResultFlag> flags = new ArrayList<ResultFlag>();
        flags.add(ResultFlag.CONSTRUCTOR);
        if (arg.id()) {
            flags.add(ResultFlag.ID);
        }
        @SuppressWarnings("unchecked") Class<? extends TypeHandler<?>> typeHandler = (Class<? extends TypeHandler<?>>) (arg.typeHandler() == UnknownTypeHandler.class ? null : arg.typeHandler());
        ResultMapping resultMapping = assistant.buildResultMapping(resultType, nullOrEmpty(arg.name()), nullOrEmpty(arg.column()), arg.javaType() == void.class ? null : arg.javaType(), arg.jdbcType() == JdbcType.UNDEFINED ? null : arg.jdbcType(), nullOrEmpty(arg.select()), nullOrEmpty(arg.resultMap()), null, null, typeHandler, flags, null, null, false);
        resultMappings.add(resultMapping);
    }
}

Example 9 with TypeHandler

use of org.apache.ibatis.type.TypeHandler in project mybatis-3 by mybatis.

the class XMLMapperBuilder method buildResultMappingFromContext.

private ResultMapping buildResultMappingFromContext(XNode context, Class<?> resultType, List<ResultFlag> flags) throws Exception {
    String property;
    if (flags.contains(ResultFlag.CONSTRUCTOR)) {
        property = context.getStringAttribute("name");
    } else {
        property = context.getStringAttribute("property");
    }
    String column = context.getStringAttribute("column");
    String javaType = context.getStringAttribute("javaType");
    String jdbcType = context.getStringAttribute("jdbcType");
    String nestedSelect = context.getStringAttribute("select");
    String nestedResultMap = context.getStringAttribute("resultMap", processNestedResultMappings(context, Collections.<ResultMapping>emptyList()));
    String notNullColumn = context.getStringAttribute("notNullColumn");
    String columnPrefix = context.getStringAttribute("columnPrefix");
    String typeHandler = context.getStringAttribute("typeHandler");
    String resultSet = context.getStringAttribute("resultSet");
    String foreignColumn = context.getStringAttribute("foreignColumn");
    boolean lazy = "lazy".equals(context.getStringAttribute("fetchType", configuration.isLazyLoadingEnabled() ? "lazy" : "eager"));
    Class<?> javaTypeClass = resolveClass(javaType);
    @SuppressWarnings("unchecked") Class<? extends TypeHandler<?>> typeHandlerClass = (Class<? extends TypeHandler<?>>) resolveClass(typeHandler);
    JdbcType jdbcTypeEnum = resolveJdbcType(jdbcType);
    return builderAssistant.buildResultMapping(resultType, property, column, javaTypeClass, jdbcTypeEnum, nestedSelect, nestedResultMap, notNullColumn, columnPrefix, typeHandlerClass, flags, resultSet, foreignColumn, lazy);
}

Example 10 with TypeHandler

use of org.apache.ibatis.type.TypeHandler in project mybatis-3 by mybatis.

the class XMLMapperBuilder method processDiscriminatorElement.

private Discriminator processDiscriminatorElement(XNode context, Class<?> resultType, List<ResultMapping> resultMappings) throws Exception {
    String column = context.getStringAttribute("column");
    String javaType = context.getStringAttribute("javaType");
    String jdbcType = context.getStringAttribute("jdbcType");
    String typeHandler = context.getStringAttribute("typeHandler");
    Class<?> javaTypeClass = resolveClass(javaType);
    @SuppressWarnings("unchecked") Class<? extends TypeHandler<?>> typeHandlerClass = (Class<? extends TypeHandler<?>>) resolveClass(typeHandler);
    JdbcType jdbcTypeEnum = resolveJdbcType(jdbcType);
    Map<String, String> discriminatorMap = new HashMap<String, String>();
    for (XNode caseChild : context.getChildren()) {
        String value = caseChild.getStringAttribute("value");
        String resultMap = caseChild.getStringAttribute("resultMap", processNestedResultMappings(caseChild, resultMappings));
        discriminatorMap.put(value, resultMap);
    }
    return builderAssistant.buildDiscriminator(resultType, column, javaTypeClass, jdbcTypeEnum, typeHandlerClass, discriminatorMap);
}