org.apache.shardingsphere.core.metadata.table

Class TableMetas

java.lang.Object

org.apache.shardingsphere.core.metadata.table.TableMetas

public final class TableMetas
extends Object

Table metas.

Author:

panjuan, zhaojun, zhangliang

Constructor Summary

Constructors

Constructor and Description
TableMetas(Map<String,TableMetaData> tables)

Method Summary

Modifier and Type	Method and Description
boolean	containsColumn(String tableName, String columnName) Judge whether contains column name.
boolean	containsTable(String tableName) Judge contains table from table meta data or not.
TableMetaData	get(String logicTableName) Get table meta data by table name.
List<String>	getAllColumnNames(String tableName) Get all column names via table.
Collection<String>	getAllTableNames() Get all table names.
void	put(String logicTableName, TableMetaData tableMetaData) Add table meta data.
void	remove(String logicTableName) Remove table meta data.

Methods inherited from class java.lang.Object

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

Constructor Detail

TableMetas

public TableMetas(Map<String,TableMetaData> tables)

Method Detail

get

public TableMetaData get(String logicTableName)

Get table meta data by table name.

Parameters:

logicTableName - logicTableName logic table name

Returns:

table mata data

put

public void put(String logicTableName,
                TableMetaData tableMetaData)

Add table meta data.

Parameters:

logicTableName - logic table name

tableMetaData - table meta data

remove

public void remove(String logicTableName)

Remove table meta data.

Parameters:

logicTableName - logic table name

containsTable

public boolean containsTable(String tableName)

Judge contains table from table meta data or not.

Parameters:

tableName - table name

Returns:

contains table from table meta data or not

containsColumn

public boolean containsColumn(String tableName,
                              String columnName)

Judge whether contains column name.

Parameters:

tableName - table name

columnName - column name

Returns:

contains column name or not

getAllColumnNames

public List<String> getAllColumnNames(String tableName)

Get all column names via table.

Parameters:

tableName - table name

Returns:

column names

getAllTableNames

public Collection<String> getAllTableNames()

Get all table names.

Returns:

all table names