icu.easyj.db.dialect

Class DbDialectAdapter

java.lang.Object

icu.easyj.db.dialect.DbDialectAdapter

All Implemented Interfaces:

icu.easyj.core.dialect.IDialect, IDbDialect, Serializable

Direct Known Subclasses:

CommonDbServiceImpl

public class DbDialectAdapter
extends Object
implements IDbDialect

数据库方言适配器

Author:

wangliang181230

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected IDbDialect	dbDialect

Constructor Summary

Constructors

Constructor and Description
DbDialectAdapter(IDbDialect dbDialect)
DbDialectAdapter(Supplier<IDbDialect> dbDialectSupplier)

Method Summary

Modifier and Type	Method and Description
String	getDbType() 获取数据库类型
String	getSeqCurrValSql(String seqName) 获取当前序列号的SQL
String	getSeqNextValSql(String seqName) 获取下一个序列号的SQL
String	getSeqSetValSql(String seqName, long newVal) 获取 设置序列值的SQL
String	getTimeSql() 获取数据库当前时间的SQL（不同数据库SQL语句不同）
String	getVersionSql() 获取数据库版本号的SQL

Methods inherited from class java.lang.Object

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

Methods inherited from interface icu.easyj.db.dialect.IDbDialect

isDbType, isDbType

Field Detail

dbDialect

@NonNull
protected final IDbDialect dbDialect

Constructor Detail

DbDialectAdapter

public DbDialectAdapter(Supplier<IDbDialect> dbDialectSupplier)

DbDialectAdapter

public DbDialectAdapter(IDbDialect dbDialect)

Method Detail

getVersionSql

public String getVersionSql()

Description copied from interface: IDbDialect

获取数据库版本号的SQL

Specified by:

getVersionSql in interface IDbDialect

Returns:

获取数据库版本号的SQL

getTimeSql

public String getTimeSql()

Description copied from interface: IDbDialect

获取数据库当前时间的SQL（不同数据库SQL语句不同）

Specified by:

getTimeSql in interface IDbDialect

Returns:

获取数据库当前时间的SQL

getSeqCurrValSql

public String getSeqCurrValSql(String seqName)

Description copied from interface: IDbDialect

获取当前序列号的SQL

Specified by:

getSeqCurrValSql in interface IDbDialect

Parameters:

seqName - 序列名

Returns:

获取当前序列号的SQL

getSeqNextValSql

public String getSeqNextValSql(String seqName)

Description copied from interface: IDbDialect

获取下一个序列号的SQL

Specified by:

getSeqNextValSql in interface IDbDialect

Parameters:

seqName - 序列名

Returns:

获取下一个序列号的SQL

getSeqSetValSql

public String getSeqSetValSql(String seqName,
                              long newVal)

Description copied from interface: IDbDialect

获取 设置序列值的SQL

Specified by:

getSeqSetValSql in interface IDbDialect

Parameters:

seqName - 序列名

newVal - 新的序列值

Returns:

设置序列值的SQL

getDbType

@NonNull
public String getDbType()

Description copied from interface: IDbDialect

获取数据库类型

Specified by:

getDbType in interface IDbDialect

Returns:

数据库类型（要求只包含 数字 和 小写英文字母）