com.dangdang.ddframe.rdb.sharding.api.rule

类 ShardingRule

java.lang.Object

com.dangdang.ddframe.rdb.sharding.api.rule.ShardingRule

public final class ShardingRule
extends Object

Databases and tables sharding rule configuration.

作者:

zhangliang

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	ShardingRule.ShardingRuleBuilder Sharding rule builder.

构造器概要

构造器

构造器和说明
ShardingRule(DataSourceRule dataSourceRule, Collection<TableRule> tableRules, Collection<BindingTableRule> bindingTableRules, DatabaseShardingStrategy databaseShardingStrategy, TableShardingStrategy tableShardingStrategy, KeyGenerator keyGenerator) 已过时。 should be private

方法概要

方法

限定符和类型	方法和说明
static ShardingRule.ShardingRuleBuilder	builder() Get sharding rule builder.
Collection<String>	filterAllBindingTables(Collection<String> logicTables) Filter all binding tables.
com.google.common.base.Optional<BindingTableRule>	findBindingTableRule(String logicTable) Get binding table rule via logic table name.
Number	generateKey(String logicTableName) Generate key.
DatabaseShardingStrategy	getDatabaseShardingStrategy(TableRule tableRule) Get database sharding strategy.
com.google.common.base.Optional<String>	getGenerateKeyColumn(String logicTableName) get generated key's column name.
TableRule	getTableRule(String logicTableName) Find table rule though logic table name.
TableShardingStrategy	getTableShardingStrategy(TableRule tableRule) Get table sharding strategy.
boolean	isAllBindingTables(Collection<String> logicTables) Adjust logic tables is all belong to binding tables.
boolean	isShardingColumn(Column column) Adjust is sharding column or not.
com.google.common.base.Optional<TableRule>	tryFindTableRule(String logicTableName) Try to find table rule though logic table name.

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

ShardingRule

@Deprecated
public ShardingRule(DataSourceRule dataSourceRule,
                       Collection<TableRule> tableRules,
                       Collection<BindingTableRule> bindingTableRules,
                       DatabaseShardingStrategy databaseShardingStrategy,
                       TableShardingStrategy tableShardingStrategy,
                       KeyGenerator keyGenerator)

已过时。 should be private

Constructs a full properties sharding rule.

Should not use for spring namespace.

参数:

dataSourceRule - data source rule

tableRules - table rules

bindingTableRules - binding table rules

databaseShardingStrategy - default database sharding strategy

tableShardingStrategy - default table sharding strategy

keyGenerator - default primary key generator

方法详细资料

builder

public static ShardingRule.ShardingRuleBuilder builder()

Get sharding rule builder.

返回:

sharding rule builder

tryFindTableRule

public com.google.common.base.Optional<TableRule> tryFindTableRule(String logicTableName)

Try to find table rule though logic table name.

参数:

logicTableName - logic table name

返回:

table rule

getTableRule

public TableRule getTableRule(String logicTableName)

Find table rule though logic table name.

参数:

logicTableName - logic table name

返回:

table rule

getDatabaseShardingStrategy

public DatabaseShardingStrategy getDatabaseShardingStrategy(TableRule tableRule)

Get database sharding strategy.

Use default database sharding strategy if not found.

参数:

tableRule - table rule

返回:

database sharding strategy

getTableShardingStrategy

public TableShardingStrategy getTableShardingStrategy(TableRule tableRule)

Get table sharding strategy.

Use default table sharding strategy if not found.

参数:

tableRule - table rule

返回:

table sharding strategy

isAllBindingTables

public boolean isAllBindingTables(Collection<String> logicTables)

Adjust logic tables is all belong to binding tables.

参数:

logicTables - names of logic tables

返回:

logic tables is all belong to binding tables or not

filterAllBindingTables

public Collection<String> filterAllBindingTables(Collection<String> logicTables)

Filter all binding tables.

参数:

logicTables - names of logic tables

返回:

names for filtered binding tables

findBindingTableRule

public com.google.common.base.Optional<BindingTableRule> findBindingTableRule(String logicTable)

Get binding table rule via logic table name.

参数:

logicTable - logic table name

返回:

binding table rule

isShardingColumn

public boolean isShardingColumn(Column column)

Adjust is sharding column or not.

参数:

column - column object

返回:

is sharding column or not

getGenerateKeyColumn

public com.google.common.base.Optional<String> getGenerateKeyColumn(String logicTableName)

get generated key's column name.

参数:

logicTableName - logic table name

返回:

generated key's column name

generateKey

public Number generateKey(String logicTableName)

Generate key.

参数:

logicTableName - logic table name

返回:

generated key