com.bstek.dorado.data.entity

Class EntityUtils

java.lang.Object

com.bstek.dorado.data.entity.EntityUtils

public abstract class EntityUtils
extends java.lang.Object

Since:

2010-12-20

Author:

Benny Bao (mailto:benny.bao@bstek.com)

Method Summary

Methods

Modifier and Type	Method and Description
static void	copyProperties(java.lang.Object target, java.lang.Object source)
static void	deleteEntity(java.lang.Object entity)
static boolean	getBoolean(java.lang.Object entity, java.lang.String property)
static AggregationDataType	getDataType(java.util.Collection<?> entities)
static EntityDataType	getDataType(java.lang.Object entity)
static double	getDouble(java.lang.Object entity, java.lang.String property)
static EntityEnhancer	getEntityEnhancer(java.lang.Object entity)
static float	getFloat(java.lang.Object entity, java.lang.String property)
static int	getInt(java.lang.Object entity, java.lang.String property)
static java.lang.Iterable	getIterable(java.util.Collection entities, FilterType filterType)
static <E> java.lang.Iterable<E>	getIterable(java.util.Collection entities, FilterType filterType, java.lang.Class<E> cl)
static java.util.Iterator	getIterator(java.util.Collection entities, FilterType filterType) 返回一个具有筛选功能的数据实体迭代器。
static <E> java.util.Iterator<E>	getIterator(java.util.Collection entities, FilterType filterType, java.lang.Class<E> cl)
static long	getLong(java.lang.Object entity, java.lang.String property)
static boolean	getOldBoolean(java.lang.Object entity, java.lang.String property)
static double	getOldDouble(java.lang.Object entity, java.lang.String property)
static float	getOldFloat(java.lang.Object entity, java.lang.String property)
static int	getOldInt(java.lang.Object entity, java.lang.String property)
static long	getOldLong(java.lang.Object entity, java.lang.String property)
static java.lang.String	getOldString(java.lang.Object entity, java.lang.String property)
static <T> T	getOldValue(java.lang.Object entity, java.lang.String property)
static EntityState	getState(java.lang.Object entity)
static java.lang.String	getString(java.lang.Object entity, java.lang.String property)
static <T> T	getValue(java.lang.Object entity, java.lang.String property)
static boolean	hasOldValues(java.lang.Object entity)
static boolean	isCascadeDirty(java.lang.Object entity)
static boolean	isDirty(java.lang.Object entity)
static boolean	isEntity(java.lang.Object entity)
static boolean	isLoaded(java.lang.Object entity, java.lang.String property)
static boolean	isSimpleType(java.lang.Class<?> cl) 判断传入的数据是否是简单的数值类型。
static boolean	isSimpleValue(java.lang.Object data) 判断传入的数据是否是简单的数值。
static boolean	loadIfNecessary(java.lang.Object entity, java.lang.String property)
static void	markDeleted(java.lang.Object entity)
static <T> T	newEntity(java.lang.Class<? extends T> type)
static <T> T	newEntity(java.lang.Class<? extends T> type, EntityDataType entityDataType)
static <T> T	newEntity(EntityDataType entityDataType)
static void	resetEntities(java.util.Collection<?> entities) 重置一组数据实体。
static void	resetEntities(java.util.Collection<?> entities, boolean lockState)
static void	resetEntity(java.lang.Object entity) 重置数据实体。 此操作不仅会重置数据实体为com.bstek.dorado.data.state.EntityState#NONE， 同时也将清除先前保存的属性原始值。
static void	resetEntity(java.lang.Object entity, boolean lockState)
static void	setState(java.lang.Object entity, EntityState state)
static void	setValue(java.lang.Object entity, java.lang.String property, java.lang.Object value)
static void	setValues(java.lang.Object entity, java.util.Map properties)
static <T> T	toEntity(java.lang.Object object)
static <T> T	toEntity(java.lang.Object object, DataType dataType)
static <T> T	toPureData(java.lang.Object entity)

Methods inherited from class java.lang.Object

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

Method Detail

isSimpleValue

public static boolean isSimpleValue(java.lang.Object data)

判断传入的数据是否是简单的数值。

isSimpleType

public static boolean isSimpleType(java.lang.Class<?> cl)

判断传入的数据是否是简单的数值类型。

getEntityEnhancer

public static EntityEnhancer getEntityEnhancer(java.lang.Object entity)

isEntity

public static boolean isEntity(java.lang.Object entity)

getDataType

public static AggregationDataType getDataType(java.util.Collection<?> entities)

getDataType

public static EntityDataType getDataType(java.lang.Object entity)

getState

public static EntityState getState(java.lang.Object entity)

setState

public static void setState(java.lang.Object entity,
            EntityState state)

isDirty

public static boolean isDirty(java.lang.Object entity)

isCascadeDirty

public static boolean isCascadeDirty(java.lang.Object entity)
                              throws java.lang.Exception

Throws:

java.lang.Exception

newEntity

public static <T> T newEntity(java.lang.Class<? extends T> type)
                   throws java.lang.Exception

Throws:

java.lang.Exception

newEntity

public static <T> T newEntity(EntityDataType entityDataType)
                   throws java.lang.Exception

Throws:

java.lang.Exception

newEntity

public static <T> T newEntity(java.lang.Class<? extends T> type,
              EntityDataType entityDataType)
                   throws java.lang.Exception

Throws:

java.lang.Exception

deleteEntity

public static void deleteEntity(java.lang.Object entity)
                         throws java.lang.Exception

Throws:

java.lang.Exception

toEntity

public static <T> T toEntity(java.lang.Object object)
                  throws java.lang.Exception

Throws:

java.lang.Exception

toEntity

public static <T> T toEntity(java.lang.Object object,
             DataType dataType)
                  throws java.lang.Exception

Throws:

java.lang.Exception

toPureData

public static <T> T toPureData(java.lang.Object entity)
                    throws java.lang.Exception

Throws:

java.lang.Exception

markDeleted

public static void markDeleted(java.lang.Object entity)

resetEntity

public static void resetEntity(java.lang.Object entity)

重置数据实体。
此操作不仅会重置数据实体为com.bstek.dorado.data.state.EntityState#NONE， 同时也将清除先前保存的属性原始值。

Parameters:

entity - 数据实体。

resetEntity

public static void resetEntity(java.lang.Object entity,
               boolean lockState)

resetEntities

public static void resetEntities(java.util.Collection<?> entities)

重置一组数据实体。

Parameters:

entities - 数据实体的集合。

See Also:

resetEntity(Object)

resetEntities

public static void resetEntities(java.util.Collection<?> entities,
                 boolean lockState)

getIterator

public static java.util.Iterator getIterator(java.util.Collection entities,
                             FilterType filterType)

返回一个具有筛选功能的数据实体迭代器。

Parameters:

entities - 数据实体的集合。

filter - 筛选方式。

Returns:

迭代器。

getIterator

public static <E> java.util.Iterator<E> getIterator(java.util.Collection entities,
                                    FilterType filterType,
                                    java.lang.Class<E> cl)

getIterable

public static java.lang.Iterable getIterable(java.util.Collection entities,
                             FilterType filterType)

getIterable

public static <E> java.lang.Iterable<E> getIterable(java.util.Collection entities,
                                    FilterType filterType,
                                    java.lang.Class<E> cl)

isLoaded

public static boolean isLoaded(java.lang.Object entity,
               java.lang.String property)

loadIfNecessary

public static boolean loadIfNecessary(java.lang.Object entity,
                      java.lang.String property)
                               throws java.lang.Exception

Throws:

java.lang.Exception

getValue

public static <T> T getValue(java.lang.Object entity,
             java.lang.String property)

getString

public static java.lang.String getString(java.lang.Object entity,
                         java.lang.String property)

getInt

public static int getInt(java.lang.Object entity,
         java.lang.String property)

getLong

public static long getLong(java.lang.Object entity,
           java.lang.String property)

getFloat

public static float getFloat(java.lang.Object entity,
             java.lang.String property)

getDouble

public static double getDouble(java.lang.Object entity,
               java.lang.String property)

getBoolean

public static boolean getBoolean(java.lang.Object entity,
                 java.lang.String property)

setValue

public static void setValue(java.lang.Object entity,
            java.lang.String property,
            java.lang.Object value)

setValues

public static void setValues(java.lang.Object entity,
             java.util.Map properties)

hasOldValues

public static boolean hasOldValues(java.lang.Object entity)

getOldValue

public static <T> T getOldValue(java.lang.Object entity,
                java.lang.String property)

getOldString

public static java.lang.String getOldString(java.lang.Object entity,
                            java.lang.String property)

getOldInt

public static int getOldInt(java.lang.Object entity,
            java.lang.String property)

getOldLong

public static long getOldLong(java.lang.Object entity,
              java.lang.String property)

getOldFloat

public static float getOldFloat(java.lang.Object entity,
                java.lang.String property)

getOldDouble

public static double getOldDouble(java.lang.Object entity,
                  java.lang.String property)

getOldBoolean

public static boolean getOldBoolean(java.lang.Object entity,
                    java.lang.String property)

copyProperties

public static void copyProperties(java.lang.Object target,
                  java.lang.Object source)
                           throws java.lang.Exception

Throws:

java.lang.Exception