DataAbilityOperation

java.lang.Object
- ohos.aafwk.ability.DataAbilityOperation

所有已实现的接口:

Sequenceable
```
public class DataAbilityOperation
extends Object
implements Sequenceable
```
Performs an operation on the database.
DataAbilityOperation describes a single operation among a batch of operations that can be performed on the database, such as add, delete, update, or query.

从以下版本开始:

1

SystemCapability

SystemCapability.Aafwk#ABILITY

嵌套类概要

嵌套类
限定符和类型类说明

static class DataAbilityOperation.Builder
Creates a DataAbilityOperation.
- 从接口继承的嵌套类/接口 ohos.utils.Sequenceable
  Sequenceable.Producer<T>

嵌套类
限定符和类型	类	说明
`static class`	`DataAbilityOperation.Builder`	Creates a `DataAbilityOperation`.

字段概要

字段
限定符和类型	字段	说明
`static Sequenceable.Producer<DataAbilityOperation>`	`PRODUCER`	Creates a `DataAbilityOperation` instance from a `Parcel`.
`static int`	`TYPE_ASSERT`	Indicates an assert operation.
`static int`	`TYPE_DELETE`	Indicates a delete operation.
`static int`	`TYPE_INSERT`	Indicates an insert operation.
`static int`	`TYPE_UPDATE`	Indicates an update operation.

构造器概要

构造器
构造器	说明
`DataAbilityOperation(DataAbilityOperation dataAbilityOperation, Uri withUri)`	A constructor used to create a `DataAbilityOperation` instance with input parameters `dataAbilityOperation` and `withUri`.
`DataAbilityOperation(Parcel in)`	A constructor used to create a `DataAbilityOperation` instance with the input parameter `Parcel`.

方法概要

所有方法静态方法实例方法具体方法
限定符和类型	方法	说明
`static DataAbilityOperation`	`createFromParcel(Parcel in)`	Creates a `DataAbilityOperation` instance based on the given `Parcel` object.
`Map<Integer,Integer>`	`getDataAbilityPredicatesBackReferences()`	Obtains the internal `Map<Integer, Integer>` object.
`Integer`	`getExpectedCount()`	Obtains the expected number of rows affected by the operation.
`int`	`getType()`	Obtains the data operation type.
`Uri`	`getUri()`	Obtains the data path of the operation.
`ValuesBucket`	`getValuesBucket()`	Obtains the data records affected by the operation.
`ValuesBucket`	`getValuesBucketReferences()`	Obtains the internal `ValuesBucket` variable.
`boolean`	`isAssertOperation()`	Checks whether this operation is an assert query.
`boolean`	`isDeleteOperation()`	Checks whether a delete operation is created.
`boolean`	`isInsertOperation()`	Checks whether an insert operation is created.
`boolean`	`isInterruptionAllowed()`	Checks whether an operation can be interrupted.
`boolean`	`isUpdateOperation()`	Checks whether an update operation is created.
`boolean`	`marshalling(Parcel out)`	Marshals a `DataAbilityOperation` object into a `Parcel`.
`static DataAbilityOperation.Builder`	`newAssertBuilder(Uri uri)`	Creates an operation for asserting updated data.
`static DataAbilityOperation.Builder`	`newDeleteBuilder(Uri uri)`	Creates an operation for deleting data.
`static DataAbilityOperation.Builder`	`newInsertBuilder(Uri uri)`	Creates an operation for inserting data.
`static DataAbilityOperation.Builder`	`newUpdateBuilder(Uri uri)`	Creates an operation for updating data.
`void`	`setUri(Uri uri)`	Sets the data path of the operation.
`String`	`toString()`	Prints out a string containing the class object information.
`boolean`	`unmarshalling(Parcel in)`	Unmarshals a `DataAbilityOperation` object from a `Parcel`.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

从接口继承的方法 ohos.utils.Sequenceable
hasFileDescriptor

- 字段详细资料
  - PRODUCER
```
public static final Sequenceable.Producer<DataAbilityOperation> PRODUCER
```
    Creates a DataAbilityOperation instance from a Parcel.
    
    从以下版本开始:
    
    4
  - TYPE_ASSERT
```
public static final int TYPE_ASSERT
```
    Indicates an assert operation.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - TYPE_DELETE
```
public static final int TYPE_DELETE
```
    Indicates a delete operation.
    
    从以下版本开始:
    
    1
    
    另请参阅:
    
    常量字段值
  - TYPE_INSERT
```
public static final int TYPE_INSERT
```
    Indicates an insert operation.
    
    从以下版本开始:
    
    1
    
    另请参阅:
    
    常量字段值
  - TYPE_UPDATE
```
public static final int TYPE_UPDATE
```
    Indicates an update operation.
    
    从以下版本开始:
    
    1
    
    另请参阅:
    
    常量字段值
- 构造器详细资料
  - DataAbilityOperation
```
public DataAbilityOperation(DataAbilityOperation dataAbilityOperation,
                            Uri withUri)
```
    A constructor used to create a DataAbilityOperation instance with input parameters dataAbilityOperation and withUri.
    
    参数:
    
    dataAbilityOperation - Indicates the DataAbilityOperation object to create.
    
    withUri - Indicates the Uri object.
    
    从以下版本开始:
    
    1
  - DataAbilityOperation
```
public DataAbilityOperation(Parcel in)
```
    A constructor used to create a DataAbilityOperation instance with the input parameter Parcel.
    
    参数:
    
    in - Indicates the Parcel object.
    
    从以下版本开始:
    
    1
- 方法详细资料
  - newInsertBuilder
```
public static DataAbilityOperation.Builder newInsertBuilder(Uri uri)
```
    Creates an operation for inserting data.
    
    参数:
    
    uri - Indicates the path of data to operate.
    
    返回:
    
    Returns an insert DataAbilityOperation.Builder object.
    
    从以下版本开始:
    
    1
  - newUpdateBuilder
```
public static DataAbilityOperation.Builder newUpdateBuilder(Uri uri)
```
    Creates an operation for updating data.
    
    参数:
    
    uri - Indicates the path of data to operate.
    
    返回:
    
    Returns an update DataAbilityOperation.Builder object.
    
    从以下版本开始:
    
    1
  - newDeleteBuilder
```
public static DataAbilityOperation.Builder newDeleteBuilder(Uri uri)
```
    Creates an operation for deleting data.
    
    参数:
    
    uri - Indicates the path of data to operate.
    
    返回:
    
    Returns a delete DataAbilityOperation.Builder object.
    
    从以下版本开始:
    
    1
  - newAssertBuilder
```
public static DataAbilityOperation.Builder newAssertBuilder(Uri uri)
```
    Creates an operation for asserting updated data.
    
    参数:
    
    uri - Indicates the path of data to operate.
    
    返回:
    
    Returns a DataAbilityOperation.Builder object for the assert query operation.
    
    从以下版本开始:
    
    3
  - getType
```
public int getType()
```
    Obtains the data operation type.
    
    返回:
    
    Returns the data operation type, which can be TYPE_INSERT, TYPE_UPDATE or TYPE_DELETE.
    
    从以下版本开始:
    
    1
  - getUri
```
public Uri getUri()
```
    Obtains the data path of the operation.
    
    返回:
    
    Returns the data path.
    
    从以下版本开始:
    
    1
  - setUri
```
public void setUri(Uri uri)
```
    Sets the data path of the operation.
    
    参数:
    
    uri - Indicates the URI of the data to operate.
    
    从以下版本开始:
    
    7
  - getValuesBucket
```
public ValuesBucket getValuesBucket()
```
    Obtains the data records affected by the operation.
    
    返回:
    
    Returns the data records affected by the operation.
    
    从以下版本开始:
    
    1
  - getExpectedCount
```
public Integer getExpectedCount()
```
    Obtains the expected number of rows affected by the operation.
    
    返回:
    
    Returns the expected number of rows affected by the operation.
    
    从以下版本开始:
    
    1
  - getValuesBucketReferences
```
public ValuesBucket getValuesBucketReferences()
```
    Obtains the internal ValuesBucket variable.
    
    返回:
    
    Returns the ValuesBucket object.
    
    从以下版本开始:
    
    3
  - getDataAbilityPredicatesBackReferences
```
public Map<Integer,Integer> getDataAbilityPredicatesBackReferences()
```
    Obtains the internal Map<Integer, Integer> object.
    
    返回:
    
    Returns the Map<Integer, Integer> object.
    
    从以下版本开始:
    
    3
  - isInsertOperation
```
public boolean isInsertOperation()
```
    Checks whether an insert operation is created.
    
    返回:
    
    Returns true if it is an insert operation; returns false otherwise.
    
    从以下版本开始:
    
    1
  - isDeleteOperation
```
public boolean isDeleteOperation()
```
    Checks whether a delete operation is created.
    
    返回:
    
    Returns true if it is a delete operation; returns false otherwise.
    
    从以下版本开始:
    
    1
  - isUpdateOperation
```
public boolean isUpdateOperation()
```
    Checks whether an update operation is created.
    
    返回:
    
    Returns true if it is an update operation; returns false otherwise.
    
    从以下版本开始:
    
    1
  - isAssertOperation
```
public boolean isAssertOperation()
```
    Checks whether this operation is an assert query.
    
    返回:
    
    从以下版本开始:
    
    3
  - isInterruptionAllowed
```
public boolean isInterruptionAllowed()
```
    Checks whether an operation can be interrupted.
    
    返回:
    
    Returns true if the operation can be interrupted; returns false otherwise.
    
    从以下版本开始:
    
    4
  - toString
```
public String toString()
```
    Prints out a string containing the class object information.
    
    覆盖:
    
    toString 在类中 Object
    
    返回:
    
    Returns object information.
    
    从以下版本开始:
    
    1
  - marshalling
```
public boolean marshalling(Parcel out)
```
    Marshals a DataAbilityOperation object into a Parcel.
    
    指定者:
    
    marshalling 在接口中 Sequenceable
    
    参数:
    
    out - Indicates the Parcel object for marshalling.
    
    返回:
    
    Returns true if the marshalling is successful; returns false otherwise.
    
    从以下版本开始:
    
    1
  - unmarshalling
```
public boolean unmarshalling(Parcel in)
```
    Unmarshals a DataAbilityOperation object from a Parcel. This method is implemented by the createFromParcel(Parcel in) method.
    
    指定者:
    
    unmarshalling 在接口中 Sequenceable
    
    参数:
    
    in - Indicates the Parcel object for unmarshalling.
    
    返回:
    
    Returns true if the unmarshalling is successful; returns false otherwise.
    
    从以下版本开始:
    
    1
  - createFromParcel
```
public static DataAbilityOperation createFromParcel(Parcel in)
```
    Creates a DataAbilityOperation instance based on the given Parcel object. Used to transfer DataAbilityOperation object using Parcel.
    
    参数:
    
    in - Indicates the Parcel object.
    
    返回:
    
    Returns the DataAbilityOperation object.
    
    从以下版本开始:
    
    1

类 DataAbilityOperation

嵌套类概要

从接口继承的嵌套类/接口 ohos.utils.Sequenceable

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

从接口继承的方法 ohos.utils.Sequenceable

字段详细资料

PRODUCER

TYPE_ASSERT

TYPE_DELETE

TYPE_INSERT

TYPE_UPDATE

构造器详细资料

DataAbilityOperation

DataAbilityOperation

方法详细资料

newInsertBuilder

newUpdateBuilder

newDeleteBuilder

newAssertBuilder

getType

getUri

setUri

getValuesBucket

getExpectedCount

getValuesBucketReferences

getDataAbilityPredicatesBackReferences

isInsertOperation

isDeleteOperation

isUpdateOperation

isAssertOperation

isInterruptionAllowed

toString

marshalling

unmarshalling

createFromParcel