xiaofei.library.datastorage.database

接口 IDbOperation

所有已知实现类:

DbCache, DbService

public interface IDbOperation

Created by Xiaofei on 15/11/9. This interface defines basic methods of database operations.

方法概要

限定符和类型	方法和说明
void	clearTable() Delete all the objects in the table.
void	close() Close the database.
<T> boolean	containsObject(java.lang.Class<T> clazz, java.lang.String objectId) Return true if the table contains the object of the specified class and the specified object id.
<T> void	deleteAllObjects(java.lang.Class<T> clazz) Delete all the object of the specified class.
<T> void	deleteObject(java.lang.Class<T> clazz, java.lang.String objectId) Delete the object of the specified class and the specified object id.
<T> void	deleteObjects(java.lang.Class<T> clazz, java.util.List<java.lang.String> objectIds) Delete the objects of the specified class and the specified object ids.
<T> java.util.List<<any>>	getAllObjects(java.lang.Class<T> clazz) Return all the objects of the specified class.
<T> T	getObject(java.lang.Class<T> clazz, java.lang.String objectIds) Return the objects of the specified class and the specified object ids.
<T> java.util.List<<any>>	getObjects(java.lang.Class<T> clazz, Condition<T> condition) Return the objects of the specified class, which satisfy the condition.
<T> void	insertObject(T object, java.lang.String objectId) Insert the object of the specified object id.
<T> void	insertObjects(java.util.List<T> objects, java.util.List<java.lang.String> objectIds) Insert the objects of the specified object ids.
<T> void	replaceObjects(java.lang.Class<T> clazz, java.util.List<java.lang.String> oldObjectIds, java.util.List<T> newObjects, java.util.List<java.lang.String> newObjectIds) Replace the objects of the old object ids with the objects of the new object ids.

方法详细资料

containsObject

<T> boolean containsObject(java.lang.Class<T> clazz,
                           java.lang.String objectId)

Return true if the table contains the object of the specified class and the specified object id. Return false otherwise.

类型参数:

T -

参数:

clazz -

objectId -

返回:

insertObject

<T> void insertObject(T object,
                      java.lang.String objectId)

Insert the object of the specified object id. If the table contains an object of the same id, it replace the old one with the new one.

类型参数:

T -

参数:

object -

objectId -

insertObjects

<T> void insertObjects(java.util.List<T> objects,
                       java.util.List<java.lang.String> objectIds)

Insert the objects of the specified object ids. If the table contains an object of the same id, it replace the old one with the new one.

类型参数:

T -

参数:

objects -

objectIds -

getAllObjects

<T> java.util.List<<any>> getAllObjects(java.lang.Class<T> clazz)

Return all the objects of the specified class. The result is a list of pairs, whose first element is the object id and the second element is the corresponding object.

类型参数:

T -

参数:

clazz -

返回:

getObject

<T> T getObject(java.lang.Class<T> clazz,
                java.lang.String objectIds)

Return the objects of the specified class and the specified object ids.

类型参数:

T -

参数:

clazz -

objectIds -

返回:

getObjects

<T> java.util.List<<any>> getObjects(java.lang.Class<T> clazz,
                                     Condition<T> condition)

Return the objects of the specified class, which satisfy the condition.

类型参数:

T -

参数:

clazz -

condition -

返回:

deleteObject

<T> void deleteObject(java.lang.Class<T> clazz,
                      java.lang.String objectId)

Delete the object of the specified class and the specified object id.

类型参数:

T -

参数:

clazz -

objectId -

deleteObjects

<T> void deleteObjects(java.lang.Class<T> clazz,
                       java.util.List<java.lang.String> objectIds)

Delete the objects of the specified class and the specified object ids.

类型参数:

T -

参数:

clazz -

objectIds -

deleteAllObjects

<T> void deleteAllObjects(java.lang.Class<T> clazz)

Delete all the object of the specified class.

类型参数:

T -

参数:

clazz -

replaceObjects

<T> void replaceObjects(java.lang.Class<T> clazz,
                        java.util.List<java.lang.String> oldObjectIds,
                        java.util.List<T> newObjects,
                        java.util.List<java.lang.String> newObjectIds)

Replace the objects of the old object ids with the objects of the new object ids.

类型参数:

T -

参数:

clazz -

oldObjectIds -

newObjects -

newObjectIds -

close

void close()

Close the database.

clearTable

void clearTable()

Delete all the objects in the table.