<configuration> <properties resource="db.properties"></properties> <settings> <!-- 控制全局缓存(二级缓存),默认 true--> <setting name="cacheEnabled" value="true"/> <!-- 延迟加载的全局开关。当开启时,所有关联对象都会延迟加载。默认 false --> <setting name="lazyLoadingEnabled" value="true"/> <!-- 当开启时,任何方法的调用都会加载该对象的所有属性。默认 false,可通过select标签的 fetchType来覆盖--> <setting name="aggressiveLazyLoading" value="true"/>
</settings> ..................... </configuration>
默认设置:
private void settingsElement(Properties props) throws Exception { this.configuration.setAutoMappingBehavior(AutoMappingBehavior.valueOf(props.getProperty("autoMappingBehavior", "PARTIAL"))); this.configuration.setAutoMappingUnknownColumnBehavior(AutoMappingUnknownColumnBehavior.valueOf(props.getProperty("autoMappingUnknownColumnBehavior", "NONE"))); this.configuration.setCacheEnabled(this.booleanValueOf(props.getProperty("cacheEnabled"), true)); this.configuration.setProxyFactory((ProxyFactory)this.createInstance(props.getProperty("proxyFactory"))); this.configuration.setLazyLoadingEnabled(this.booleanValueOf(props.getProperty("lazyLoadingEnabled"), false)); this.configuration.setAggressiveLazyLoading(this.booleanValueOf(props.getProperty("aggressiveLazyLoading"), true)); this.configuration.setMultipleResultSetsEnabled(this.booleanValueOf(props.getProperty("multipleResultSetsEnabled"), true)); this.configuration.setUseColumnLabel(this.booleanValueOf(props.getProperty("useColumnLabel"), true)); this.configuration.setUseGeneratedKeys(this.booleanValueOf(props.getProperty("useGeneratedKeys"), false)); this.configuration.setDefaultExecutorType(ExecutorType.valueOf(props.getProperty("defaultExecutorType", "SIMPLE"))); this.configuration.setDefaultStatementTimeout(this.integerValueOf(props.getProperty("defaultStatementTimeout"), (Integer)null)); this.configuration.setDefaultFetchSize(this.integerValueOf(props.getProperty("defaultFetchSize"), (Integer)null)); this.configuration.setMapUnderscoreToCamelCase(this.booleanValueOf(props.getProperty("mapUnderscoreToCamelCase"), false)); this.configuration.setSafeRowBoundsEnabled(this.booleanValueOf(props.getProperty("safeRowBoundsEnabled"), false)); this.configuration.setLocalCacheScope(LocalCacheScope.valueOf(props.getProperty("localCacheScope", "SESSION"))); this.configuration.setJdbcTypeForNull(JdbcType.valueOf(props.getProperty("jdbcTypeForNull", "OTHER"))); this.configuration.setLazyLoadTriggerMethods(this.stringSetValueOf(props.getProperty("lazyLoadTriggerMethods"), "equals,clone,hashCode,toString")); this.configuration.setSafeResultHandlerEnabled(this.booleanValueOf(props.getProperty("safeResultHandlerEnabled"), true)); this.configuration.setDefaultScriptingLanguage(this.resolveClass(props.getProperty("defaultScriptingLanguage"))); this.configuration.setCallSettersOnNulls(this.booleanValueOf(props.getProperty("callSettersOnNulls"), false)); this.configuration.setUseActualParamName(this.booleanValueOf(props.getProperty("useActualParamName"), false)); this.configuration.setLogPrefix(props.getProperty("logPrefix")); Class<? extends Log> logImpl = this.resolveClass(props.getProperty("logImpl")); this.configuration.setLogImpl(logImpl); this.configuration.setConfigurationFactory(this.resolveClass(props.getProperty("configurationFactory"))); }