com.github.braisdom.objsql

接口 TableRowAdapter<T>

所有已知子接口:

DomainModelDescriptor<T>

所有已知实现类:

BeanModelDescriptor, DynamicTableRowDescriptor

public interface TableRowAdapter<T>

Describes the Java Bean which maps a row in the table, and behaviors for Java Bean mapping.
By default, a row of table will be adapted into an instance of Java Bean, if you need different rule of mapping, you can implement it for querying and persistence.

作者:

braisdom

另请参阅:

Query, Persistence, AbstractQuery.AbstractQuery(DomainModelDescriptor), AbstractPersistence.AbstractPersistence(DomainModelDescriptor)

方法概要

限定符和类型	方法和说明
default ColumnTransition	getColumnTransition(String fieldName)
Class	getDomainModelClass() Returns a Java class which associates table
default Optional<String>	getFieldDefaultValue(String fieldName)
String	getFieldName(String columnName) Returns field name by given column name
default Class	getFieldType(String fieldName)
default FieldValue	getFieldValue(Object bean, String fieldName)
String	getTableName() Returns a table name which associates Java Bean
default boolean	hasDefaultValue(String fieldName)
default boolean	isTransitable(String fieldName)
T	newInstance() Creates an instance of associated Java class
default void	setFieldValue(T modelObject, String fieldName, Object fieldValue)
default void	setGeneratedKey(T bean, Object primaryKeyValue) Set a primary key generated by database.

方法详细资料

getTableName

String getTableName()

Returns a table name which associates Java Bean

返回:

table name

getDomainModelClass

Class getDomainModelClass()

Returns a Java class which associates table

返回:

newInstance

T newInstance()

Creates an instance of associated Java class

返回:

setGeneratedKey

default void setGeneratedKey(T bean,
                             Object primaryKeyValue)

Set a primary key generated by database. Notice: not all databases support generated keys.

参数:

bean -

primaryKeyValue -

另请参阅:

Statement.getGeneratedKeys()

getFieldName

String getFieldName(String columnName)

Returns field name by given column name

参数:

columnName -

返回:

getFieldDefaultValue

default Optional<String> getFieldDefaultValue(String fieldName)

hasDefaultValue

default boolean hasDefaultValue(String fieldName)

getFieldValue

default FieldValue getFieldValue(Object bean,
                                 String fieldName)

getFieldType

default Class getFieldType(String fieldName)

isTransitable

default boolean isTransitable(String fieldName)

getColumnTransition

default ColumnTransition getColumnTransition(String fieldName)

setFieldValue

default void setFieldValue(T modelObject,
                           String fieldName,
                           Object fieldValue)