Examples with MetaData org.neo4j.ogm.MetaData used on opensource projects

Example 1 with MetaData

use of org.neo4j.ogm.MetaData in project LinkAgent by shulieTech.

the class Neo4jSessionConstructorInterceptor method afterLast.

@Override
public void afterLast(Advice advice) {
    Object[] args = advice.getParameterArray();
    Object target = advice.getTarget();
    /**
     * 压测状态判断
     * 影子session回调
     */
    if (!PradarSwitcher.isClusterTestEnabled() || target instanceof Neo4JSessionExt) {
        return;
    }
    try {
        // 业务库session
        Neo4jSession sourceSession = (Neo4jSession) target;
        DriverConfiguration driverConfiguration = ((HttpDriver) args[1]).getConfiguration();
        String s = driverConfiguration.getURI();
        Credentials credentials = driverConfiguration.getCredentials();
        String username = null;
        if (credentials instanceof AuthTokenCredentials) {
            username = ((AuthTokenCredentials) credentials).credentials();
        } else if (credentials instanceof UsernamePasswordCredentials) {
            username = ((UsernamePasswordCredentials) credentials).getUsername();
        }
        DataSourceMeta<Neo4jSession> neo4jSessionDataSourceMeta = new DataSourceMeta<Neo4jSession>(s, username, sourceSession);
        if (DataSourceWrapUtil.pressureDataSources.containsKey(neo4jSessionDataSourceMeta) && DataSourceWrapUtil.pressureDataSources.get(neo4jSessionDataSourceMeta) != null) {
            // 该业务库数据源已经初始化过影子库
            return;
        }
        if (isPerformanceDataSource(driverConfiguration)) {
            // 业务库配置是已初始化的影子库
            return;
        }
        // 从应用的影子库配置中获取
        String key = DbUrlUtils.getKey(neo4jSessionDataSourceMeta.getUrl(), neo4jSessionDataSourceMeta.getUsername());
        if (!GlobalConfig.getInstance().containsShadowDatabaseConfig(key)) {
            ErrorReporter.buildError().setErrorType(ErrorTypeEnum.DataSource).setErrorCode("datasource-0002").setMessage("没有配置对应的影子表或影子库！").setDetail("业务库配置:::url: " + s + "; 中间件类型：other").closePradar(ConfigNames.SHADOW_DATABASE_CONFIGS).report();
            return;
        }
        MetaData metaData = (MetaData) args[0];
        DataSourceWrapUtil.metaDataMap.put(sourceSession, metaData);
        DataSourceWrapUtil.wrap(neo4jSessionDataSourceMeta);
    } catch (Throwable e) {
        ErrorReporter.buildError().setErrorType(ErrorTypeEnum.DataSource).setErrorCode("datasource-0003").setMessage("影子库配置异常，无法由配置正确生成影子库！").setDetail("url: " + ((HttpDriver) args[1]).getConfiguration().getURI() + Throwables.getStackTraceAsString(e)).closePradar(ConfigNames.SHADOW_DATABASE_CONFIGS).report();
        throw new PressureMeasureError("Neo4J-002:影子库初始化失败:", e);
    }
}