Example usage for org.apache.ibatis.executor.keygen Jdbc3KeyGenerator INSTANCE

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In this page you can find the example usage for org.apache.ibatis.executor.keygen Jdbc3KeyGenerator INSTANCE.

Prototype

Jdbc3KeyGenerator INSTANCE

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A shared instance.

Usage

From source file:com.baomidou.mybatisplus.MybatisMapperAnnotationBuilder.java

License:Apache License

void parseStatement(Method method) {
    Class<?> parameterTypeClass = getParameterType(method);
    LanguageDriver languageDriver = getLanguageDriver(method);
    SqlSource sqlSource = getSqlSourceFromAnnotations(method, parameterTypeClass, languageDriver);
    if (sqlSource != null) {
        Options options = method.getAnnotation(Options.class);
        final String mappedStatementId = type.getName() + "." + method.getName();
        Integer fetchSize = null;
        Integer timeout = null;/* w ww . j ava2s  . c  o m*/
        StatementType statementType = StatementType.PREPARED;
        ResultSetType resultSetType = ResultSetType.FORWARD_ONLY;
        SqlCommandType sqlCommandType = getSqlCommandType(method);
        boolean isSelect = sqlCommandType == SqlCommandType.SELECT;
        boolean flushCache = !isSelect;
        boolean useCache = isSelect;

        KeyGenerator keyGenerator;
        String keyProperty = "id";
        String keyColumn = null;
        if (SqlCommandType.INSERT.equals(sqlCommandType) || SqlCommandType.UPDATE.equals(sqlCommandType)) {
            // first check for SelectKey annotation - that overrides everything else
            SelectKey selectKey = method.getAnnotation(SelectKey.class);
            if (selectKey != null) {
                keyGenerator = handleSelectKeyAnnotation(selectKey, mappedStatementId, getParameterType(method),
                        languageDriver);
                keyProperty = selectKey.keyProperty();
            } else if (options == null) {
                keyGenerator = configuration.isUseGeneratedKeys() ? Jdbc3KeyGenerator.INSTANCE
                        : NoKeyGenerator.INSTANCE;
            } else {
                keyGenerator = options.useGeneratedKeys() ? Jdbc3KeyGenerator.INSTANCE
                        : NoKeyGenerator.INSTANCE;
                keyProperty = options.keyProperty();
                keyColumn = options.keyColumn();
            }
        } else {
            keyGenerator = NoKeyGenerator.INSTANCE;
        }

        if (options != null) {
            if (FlushCachePolicy.TRUE.equals(options.flushCache())) {
                flushCache = true;
            } else if (FlushCachePolicy.FALSE.equals(options.flushCache())) {
                flushCache = false;
            }
            useCache = options.useCache();
            fetchSize = options.fetchSize() > -1 || options.fetchSize() == Integer.MIN_VALUE
                    ? options.fetchSize()
                    : null; //issue #348
            timeout = options.timeout() > -1 ? options.timeout() : null;
            statementType = options.statementType();
            resultSetType = options.resultSetType();
        }

        String resultMapId = null;
        ResultMap resultMapAnnotation = method.getAnnotation(ResultMap.class);
        if (resultMapAnnotation != null) {
            String[] resultMaps = resultMapAnnotation.value();
            StringBuilder sb = new StringBuilder();
            for (String resultMap : resultMaps) {
                if (sb.length() > 0) {
                    sb.append(",");
                }
                sb.append(resultMap);
            }
            resultMapId = sb.toString();
        } else if (isSelect) {
            resultMapId = parseResultMap(method);
        }

        assistant.addMappedStatement(mappedStatementId, sqlSource, statementType, sqlCommandType, fetchSize,
                timeout,
                // ParameterMapID
                null, parameterTypeClass, resultMapId, getReturnType(method), resultSetType, flushCache,
                useCache,
                // TODO gcode issue #577
                false, keyGenerator, keyProperty, keyColumn,
                // DatabaseID
                null, languageDriver,
                // ResultSets
                options != null ? nullOrEmpty(options.resultSets()) : null);
    }
}

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