com.mybatisflex.core.relation

类 RelationManager

java.lang.Object

com.mybatisflex.core.relation.RelationManager

public class RelationManager
extends Object

作者:

michael

字段概要

字段

限定符和类型	字段和说明
private static ThreadLocal<Boolean>	autoClearConfig 每次查询是否自动清除 depth extraConditionParams ignoreRelations 的配置
private static Map<Class<?>,List<AbstractRelation>>	classRelations
private static int	defaultQueryDepth 默认查询深度
private static ThreadLocal<Integer>	depthThreadLocal 递归查询深度，默认为 2，在一些特殊场景下可以修改这个值
private static ThreadLocal<Map<String,Object>>	extraConditionParams 附加条件的查询参数
private static ThreadLocal<Set<String>>	ignoreRelations 查询时，可忽略某些已经添加 Relation 注解的属性
private static ThreadLocal<Set<String>>	onlyQueryRelations 查询时，仅查询这个配置的 Relations

构造器概要

构造器

限定符	构造器和说明
private	RelationManager()

方法概要

限定符和类型	方法和说明
static void	addExtraConditionParam(String key, Object value)
static <T> void	addIgnoreRelations(LambdaGetter<T>... ignoreRelations)
static void	addIgnoreRelations(String... ignoreRelations)
static <T> void	addQueryRelations(LambdaGetter<T>... queryRelations)
static void	addQueryRelations(String... queryRelations)
static void	clearAutoClearConfig()
static void	clearConfigIfNecessary() 清除查询配置
static void	clearExtraConditionParams()
static void	clearIgnoreRelations()
static void	clearMaxDepth()
static void	clearQueryRelations()
private static List<AbstractRelation>	doGetRelations(Class<?> entityClass)
(专用程序包) static <Entity> void	doQueryRelations(BaseMapper<?> mapper, List<Entity> entities, int currentDepth, int maxDepth, Set<String> ignoreRelations, Set<String> queryRelations)
static boolean	getAutoClearConfig()
static int	getDefaultQueryDepth()
static Map<String,Object>	getExtraConditionParams()
(专用程序包) static Object[]	getExtraConditionParams(List<String> keys)
static Set<String>	getIgnoreRelations()
static int	getMaxDepth()
static Set<String>	getQueryRelations()
static List<AbstractRelation>	getRelations(Class<?> clazz)
static <Entity> void	queryRelations(BaseMapper<?> mapper, List<Entity> entities)
static void	setAutoClearConfig(boolean enable)
static void	setDefaultQueryDepth(int defaultQueryDepth)
static void	setExtraConditionParams(Map<String,Object> params)
static void	setIgnoreRelations(Set<String> ignoreRelations)
static void	setMaxDepth(int maxDepth)
static void	setQueryRelations(Set<String> queryRelations)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

classRelations

private static Map<Class<?>,List<AbstractRelation>> classRelations

defaultQueryDepth

private static int defaultQueryDepth

默认查询深度

depthThreadLocal

private static ThreadLocal<Integer> depthThreadLocal

递归查询深度，默认为 2，在一些特殊场景下可以修改这个值

extraConditionParams

private static ThreadLocal<Map<String,Object>> extraConditionParams

附加条件的查询参数

ignoreRelations

private static ThreadLocal<Set<String>> ignoreRelations

查询时，可忽略某些已经添加 Relation 注解的属性

onlyQueryRelations

private static ThreadLocal<Set<String>> onlyQueryRelations

查询时，仅查询这个配置的 Relations

autoClearConfig

private static ThreadLocal<Boolean> autoClearConfig

每次查询是否自动清除 depth extraConditionParams ignoreRelations 的配置

构造器详细资料

RelationManager

private RelationManager()

方法详细资料

getDefaultQueryDepth

public static int getDefaultQueryDepth()

setDefaultQueryDepth

public static void setDefaultQueryDepth(int defaultQueryDepth)

setMaxDepth

public static void setMaxDepth(int maxDepth)

getMaxDepth

public static int getMaxDepth()

clearMaxDepth

public static void clearMaxDepth()

setExtraConditionParams

public static void setExtraConditionParams(Map<String,Object> params)

addExtraConditionParam

public static void addExtraConditionParam(String key,
                                          Object value)

getExtraConditionParams

public static Map<String,Object> getExtraConditionParams()

clearExtraConditionParams

public static void clearExtraConditionParams()

getIgnoreRelations

public static Set<String> getIgnoreRelations()

setIgnoreRelations

public static void setIgnoreRelations(Set<String> ignoreRelations)

addIgnoreRelations

public static <T> void addIgnoreRelations(LambdaGetter<T>... ignoreRelations)

addIgnoreRelations

public static void addIgnoreRelations(String... ignoreRelations)

clearIgnoreRelations

public static void clearIgnoreRelations()

getQueryRelations

public static Set<String> getQueryRelations()

setQueryRelations

public static void setQueryRelations(Set<String> queryRelations)

addQueryRelations

public static <T> void addQueryRelations(LambdaGetter<T>... queryRelations)

addQueryRelations

public static void addQueryRelations(String... queryRelations)

clearQueryRelations

public static void clearQueryRelations()

setAutoClearConfig

public static void setAutoClearConfig(boolean enable)

getAutoClearConfig

public static boolean getAutoClearConfig()

clearAutoClearConfig

public static void clearAutoClearConfig()

getExtraConditionParams

static Object[] getExtraConditionParams(List<String> keys)

getRelations

public static List<AbstractRelation> getRelations(Class<?> clazz)

doGetRelations

private static List<AbstractRelation> doGetRelations(Class<?> entityClass)

queryRelations

public static <Entity> void queryRelations(BaseMapper<?> mapper,
                                           List<Entity> entities)

clearConfigIfNecessary

public static void clearConfigIfNecessary()

清除查询配置

doQueryRelations

static <Entity> void doQueryRelations(BaseMapper<?> mapper,
                                      List<Entity> entities,
                                      int currentDepth,
                                      int maxDepth,
                                      Set<String> ignoreRelations,
                                      Set<String> queryRelations)