com.dangdang.ddframe.rdb.sharding.jdbc.core.connection

类 ShardingConnection

java.lang.Object

com.dangdang.ddframe.rdb.sharding.jdbc.adapter.WrapperAdapter

com.dangdang.ddframe.rdb.sharding.jdbc.unsupported.AbstractUnsupportedOperationConnection

com.dangdang.ddframe.rdb.sharding.jdbc.adapter.AbstractConnectionAdapter

com.dangdang.ddframe.rdb.sharding.jdbc.core.connection.ShardingConnection

所有已实现的接口:

AutoCloseable, Connection, Wrapper

public final class ShardingConnection
extends AbstractConnectionAdapter

支持分片的数据库连接.

作者:

zhangliang, gaohongtao

字段概要

从接口继承的字段 java.sql.Connection

TRANSACTION_NONE, TRANSACTION_READ_COMMITTED, TRANSACTION_READ_UNCOMMITTED, TRANSACTION_REPEATABLE_READ, TRANSACTION_SERIALIZABLE

构造器概要

构造器

构造器和说明
ShardingConnection()

方法概要

方法

限定符和类型	方法和说明
void	close()
Statement	createStatement()
Statement	createStatement(int resultSetType, int resultSetConcurrency)
Statement	createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
Connection	getConnection(String dataSourceName, SQLType sqlType) 根据数据源名称获取相应的数据库连接.
Collection<Connection>	getConnections()
DatabaseMetaData	getMetaData()
PreparedStatement	prepareStatement(String sql)
PreparedStatement	prepareStatement(String sql, int autoGeneratedKeys)
PreparedStatement	prepareStatement(String sql, int[] columnIndexes)
PreparedStatement	prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
PreparedStatement	prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
PreparedStatement	prepareStatement(String sql, String[] columnNames)
void	release(Connection connection) 释放数据库连接.

从类继承的方法 com.dangdang.ddframe.rdb.sharding.jdbc.adapter.AbstractConnectionAdapter

clearWarnings, commit, getAutoCommit, getHoldability, getTransactionIsolation, getWarnings, isClosed, isReadOnly, rollback, setAutoCommit, setHoldability, setReadOnly, setTransactionIsolation

从类继承的方法 com.dangdang.ddframe.rdb.sharding.jdbc.unsupported.AbstractUnsupportedOperationConnection

abort, createArrayOf, createBlob, createClob, createNClob, createSQLXML, createStruct, getCatalog, getClientInfo, getClientInfo, getNetworkTimeout, getSchema, getTypeMap, isValid, nativeSQL, prepareCall, prepareCall, prepareCall, releaseSavepoint, rollback, setCatalog, setClientInfo, setClientInfo, setNetworkTimeout, setSavepoint, setSavepoint, setSchema, setTypeMap

从类继承的方法 com.dangdang.ddframe.rdb.sharding.jdbc.adapter.WrapperAdapter

isWrapperFor, recordMethodInvocation, replayMethodsInvocation, throwSQLExceptionIfNecessary, unwrap

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.sql.Wrapper

isWrapperFor, unwrap

构造器详细资料

ShardingConnection

public ShardingConnection()

方法详细资料

getConnection

public Connection getConnection(String dataSourceName,
                       SQLType sqlType)
                         throws SQLException

根据数据源名称获取相应的数据库连接.

参数:

dataSourceName - 数据源名称

sqlType - SQL语句类型

返回:

数据库连接

抛出:

SQLException - SQL异常

release

public void release(Connection connection)

释放数据库连接.

参数:

connection - 待释放的数据库连接

getMetaData

public DatabaseMetaData getMetaData()
                             throws SQLException

抛出:

SQLException

prepareStatement

public PreparedStatement prepareStatement(String sql)
                                   throws SQLException

抛出:

SQLException

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                 int resultSetType,
                                 int resultSetConcurrency)
                                   throws SQLException

抛出:

SQLException

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                 int resultSetType,
                                 int resultSetConcurrency,
                                 int resultSetHoldability)
                                   throws SQLException

抛出:

SQLException

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                 int autoGeneratedKeys)
                                   throws SQLException

抛出:

SQLException

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                 int[] columnIndexes)
                                   throws SQLException

抛出:

SQLException

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                 String[] columnNames)
                                   throws SQLException

抛出:

SQLException

createStatement

public Statement createStatement()
                          throws SQLException

抛出:

SQLException

createStatement

public Statement createStatement(int resultSetType,
                        int resultSetConcurrency)
                          throws SQLException

抛出:

SQLException

createStatement

public Statement createStatement(int resultSetType,
                        int resultSetConcurrency,
                        int resultSetHoldability)
                          throws SQLException

抛出:

SQLException

getConnections

public Collection<Connection> getConnections()

指定者:

getConnections 在类中 AbstractConnectionAdapter

close

public void close()
           throws SQLException

指定者:

close 在接口中 AutoCloseable

指定者:

close 在接口中 Connection

覆盖:

close 在类中 AbstractConnectionAdapter

抛出:

SQLException