Example usage for org.apache.ibatis.parsing XPathParser evalNode

Introduction

In this page you can find the example usage for org.apache.ibatis.parsing XPathParser evalNode.

Prototype

public XNode evalNode(String expression) 

Source Link

Usage

From source file:com.baomidou.mybatisplus.spring.MybatisMapperRefresh.java

License:Apache License

/**
 * mapper//from   w  w  w .j av  a2  s . c om
 *
 * @throws Exception
 */
@SuppressWarnings("rawtypes")
private void refresh(Resource resource)
        throws ClassNotFoundException, NoSuchFieldException, IllegalAccessException {
    this.configuration = sqlSessionFactory.getConfiguration();
    boolean isSupper = configuration.getClass().getSuperclass() == Configuration.class;
    try {
        Field loadedResourcesField = isSupper
                ? configuration.getClass().getSuperclass().getDeclaredField("loadedResources")
                : configuration.getClass().getDeclaredField("loadedResources");
        loadedResourcesField.setAccessible(true);
        Set loadedResourcesSet = ((Set) loadedResourcesField.get(configuration));
        XPathParser xPathParser = new XPathParser(resource.getInputStream(), true, configuration.getVariables(),
                new XMLMapperEntityResolver());
        XNode context = xPathParser.evalNode("/mapper");
        String namespace = context.getStringAttribute("namespace");
        Field field = MapperRegistry.class.getDeclaredField("knownMappers");
        field.setAccessible(true);
        Map mapConfig = (Map) field.get(configuration.getMapperRegistry());
        mapConfig.remove(Resources.classForName(namespace));
        loadedResourcesSet.remove(resource.toString());
        configuration.getCacheNames().remove(namespace);
        cleanParameterMap(context.evalNodes("/mapper/parameterMap"), namespace);
        cleanResultMap(context.evalNodes("/mapper/resultMap"), namespace);
        cleanKeyGenerators(context.evalNodes("insert|update"), namespace);
        cleanSqlElement(context.evalNodes("/mapper/sql"), namespace);
        XMLMapperBuilder xmlMapperBuilder = new XMLMapperBuilder(resource.getInputStream(),
                sqlSessionFactory.getConfiguration(), // sql??
                resource.toString(), sqlSessionFactory.getConfiguration().getSqlFragments());
        xmlMapperBuilder.parse();
        logger.debug("refresh: '" + resource + "', success!");
    } catch (IOException e) {
        logger.error("Refresh IOException :" + e.getMessage());
    } finally {
        ErrorContext.instance().reset();
    }
}

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From source file:com.jdy.ddj.common.utils.SqlSessionFactoryBean.java

License:Apache License

/**
 * ??/*from w  w  w  . j a  v  a 2s  . c om*/
 * @param parser
 * @param configuration
 */
private void parseTypeAliasesElement(XPathParser parser, Configuration configuration) {
    XNode typeAliasesElement = parser.evalNode("/configuration/typeAliases");
    if (typeAliasesElement != null) {
        for (XNode child : typeAliasesElement.getChildren()) {
            if ("package".equals(child.getName())) {
                String typeAliasPackage = child.getStringAttribute("name");
                configuration.getTypeAliasRegistry().registerAliases(typeAliasPackage);
            } else {
                String alias = child.getStringAttribute("alias");
                String type = child.getStringAttribute("type");
                try {
                    Class<?> clazz = Resources.classForName(type);
                    if (alias == null) {
                        configuration.getTypeAliasRegistry().registerAlias(clazz);
                    } else {
                        configuration.getTypeAliasRegistry().registerAlias(alias, clazz);
                    }
                } catch (ClassNotFoundException e) {
                    throw new BuilderException("Error registering typeAlias for '" + alias + "'. Cause: " + e,
                            e);
                }
            }
        }
    }
}

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From source file:com.mybatisX.spring.MybatisMapperRefresh.java

License:Apache License

/**
 * mapper//from  w  w  w  .  j a va 2 s .com
 * 
 * @throws Exception
 */
@SuppressWarnings("rawtypes")
private void refresh(Resource resource) throws Exception {
    this.configuration = sqlSessionFactory.getConfiguration();
    boolean isSupper = configuration.getClass().getSuperclass() == Configuration.class;
    try {
        Field loadedResourcesField = isSupper
                ? configuration.getClass().getSuperclass().getDeclaredField("loadedResources")
                : configuration.getClass().getDeclaredField("loadedResources");
        loadedResourcesField.setAccessible(true);
        Set loadedResourcesSet = ((Set) loadedResourcesField.get(configuration));
        XPathParser xPathParser = new XPathParser(resource.getInputStream(), true, configuration.getVariables(),
                new XMLMapperEntityResolver());
        XNode context = xPathParser.evalNode("/mapper");
        String namespace = context.getStringAttribute("namespace");
        Field field = MapperRegistry.class.getDeclaredField("knownMappers");
        field.setAccessible(true);
        Map mapConfig = (Map) field.get(configuration.getMapperRegistry());
        mapConfig.remove(Resources.classForName(namespace));
        loadedResourcesSet.remove(resource.toString());
        configuration.getCacheNames().remove(namespace);
        cleanParameterMap(context.evalNodes("/mapper/parameterMap"), namespace);
        cleanResultMap(context.evalNodes("/mapper/resultMap"), namespace);
        cleanKeyGenerators(context.evalNodes("insert|update"), namespace);
        cleanSqlElement(context.evalNodes("/mapper/sql"), namespace);
        XMLMapperBuilder xmlMapperBuilder = new XMLMapperBuilder(resource.getInputStream(),
                sqlSessionFactory.getConfiguration(), // sql??
                resource.toString(), sqlSessionFactory.getConfiguration().getSqlFragments());
        xmlMapperBuilder.parse();
        logger.debug("refresh:" + resource + ",success!");
    } catch (Exception e) {
        throw new NestedIOException("Failed to parse mapping resource: '" + resource + "'", e);
    } finally {
        ErrorContext.instance().reset();
    }
}

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