com.alicloud.openservices.tablestore.model

类 RowPutChange

java.lang.Object

com.alicloud.openservices.tablestore.model.RowChange

com.alicloud.openservices.tablestore.model.RowPutChange

所有已实现的接口:

IRow, Measurable, Comparable<IRow>

直接已知子类:

RowPutChangeWithCallback

public class RowPutChange
extends RowChange

构造器概要

构造器

构造器和说明
RowPutChange(RowPutChange toCopy) Copy constructor
RowPutChange(String tableName) Constructor.
RowPutChange(String tableName, PrimaryKey primaryKey) Constructor.
RowPutChange(String tableName, PrimaryKey primaryKey, long ts) Constructor.

方法概要

限定符和类型	方法和说明
RowPutChange	addColumn(Column column) Write a new attribute column.
RowPutChange	addColumn(String name, ColumnValue value) Write a new attribute column.
RowPutChange	addColumn(String name, ColumnValue value, long ts) Write a new attribute column.
RowPutChange	addColumns(Column[] columns) Write a new batch of attribute columns.
RowPutChange	addColumns(List<Column> columns) Write a new batch of attribute columns.
List<Column>	getColumnsToPut() Get the list of all attribute columns to be written.
List<Column>	getColumnsToPut(String name) Get the list of all attribute columns that have the same name as the specified one.
int	getDataSize() Get the size of the serialized data
boolean	has(String name) Check if there is already a property column with the same name written, ignoring whether the timestamp and value are equal.
boolean	has(String name, ColumnValue value) Check if there are attribute columns written with the same name and value, ignoring whether the timestamps are equal.
boolean	has(String name, long ts) Check if there is an attribute column written with the same name and timestamp, ignoring whether the values are equal.
boolean	has(String name, long ts, ColumnValue value) Check if there is an attribute column written with the same name, same timestamp, and same value.

从类继承的方法 com.alicloud.openservices.tablestore.model.RowChange

addReturnColumn, compareTo, getCondition, getPrimaryKey, getReturnColumnNames, getReturnType, getTableName, setCondition, setPrimaryKey, setReturnType, setTableName

从类继承的方法 java.lang.Object

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

构造器详细资料

RowPutChange

public RowPutChange(String tableName)

Constructor.

参数:

tableName - The name of the table

RowPutChange

public RowPutChange(String tableName,
                    PrimaryKey primaryKey)

Constructor.

参数:

tableName - The name of the table

primaryKey - The primary key of the row

RowPutChange

public RowPutChange(String tableName,
                    PrimaryKey primaryKey,
                    long ts)

Constructor.

Allows users to set a default timestamp; if the written column does not include a timestamp, this default timestamp will be used.

参数:

tableName - The name of the table

primaryKey - The primary key of the row

ts - Default timestamp

RowPutChange

public RowPutChange(RowPutChange toCopy)

Copy constructor

参数:

toCopy -

方法详细资料

addColumn

public RowPutChange addColumn(Column column)

Write a new attribute column.

参数:

column -

返回:

this (for invocation chain)

addColumn

public RowPutChange addColumn(String name,
                              ColumnValue value)

Write a new attribute column.

If timestamp has been set, then the default timestamp will be used.

参数:

name - the name of the attribute column

value - the value of the attribute column

返回:

this (for invocation chain)

addColumn

public RowPutChange addColumn(String name,
                              ColumnValue value,
                              long ts)

Write a new attribute column.

参数:

name - the name of the attribute column

value - the value of the attribute column

ts - the timestamp of the attribute column

返回:

this (for invocation chain)

addColumns

public RowPutChange addColumns(List<Column> columns)

Write a new batch of attribute columns.

The order of writing attribute columns is consistent with the order in the list.

参数:

columns - List of attribute columns

返回:

this (for invocation chain)

addColumns

public RowPutChange addColumns(Column[] columns)

Write a new batch of attribute columns.

The order of writing attribute columns is consistent with the order in the array.

参数:

columns -

返回:

this (for invocation chain)

getColumnsToPut

public List<Column> getColumnsToPut()

Get the list of all attribute columns to be written.

返回:

List of attribute columns

getColumnsToPut

public List<Column> getColumnsToPut(String name)

Get the list of all attribute columns that have the same name as the specified one.

参数:

name - The name of the attribute column

返回:

If the corresponding attribute columns are found, return a list containing these elements; otherwise, return an empty list.

getDataSize

public int getDataSize()

从接口复制的说明: Measurable

Get the size of the serialized data

返回:

the size of the serialized data

has

public boolean has(String name)

Check if there is already a property column with the same name written, ignoring whether the timestamp and value are equal.

参数:

name - The property column name

返回:

Returns true if it exists, otherwise returns false

has

public boolean has(String name,
                   long ts)

Check if there is an attribute column written with the same name and timestamp, ignoring whether the values are equal.

参数:

name - Attribute column name

ts - Attribute column timestamp

返回:

Returns true if it exists, otherwise returns false

has

public boolean has(String name,
                   ColumnValue value)

Check if there are attribute columns written with the same name and value, ignoring whether the timestamps are equal.

参数:

name - attribute column name

value - attribute column value

返回:

returns true if exists, otherwise returns false

has

public boolean has(String name,
                   long ts,
                   ColumnValue value)

Check if there is an attribute column written with the same name, same timestamp, and same value.

参数:

name - Attribute column name

ts - Attribute column timestamp

value - Attribute column value

返回:

Returns true if it exists, otherwise returns false