org.tinygroup.parsedsql

Class SQLBuilder

java.lang.Object

org.tinygroup.parsedsql.SQLBuilder

All Implemented Interfaces:

Appendable, Cloneable

public class SQLBuilder
extends Object
implements Appendable, Cloneable

SQL构建器.

Author:

renhui

Constructor Summary

Constructors

Constructor and Description
SQLBuilder()

Method Summary

Modifier and Type	Method and Description
Appendable	append(char c)
Appendable	append(CharSequence sql)
Appendable	append(CharSequence sql, int start, int end)
void	appendToken(String token) 增加占位符.
void	appendToken(String label, String token) 增加占位符.
void	buildSQL(String label, String token) 用实际的值替代占位符.
void	buildSQL(String label, String token, boolean isDerived) 用实际的值替代占位符,并可以标记该SQL是否为派生SQL.
SQLBuilder	buildSQLWithNewToken() 用实际的值替代占位符,并返回新的构建器.
boolean	isChanged()
void	recordNewToken(String label, String token) 记录新的Token.
void	removeDerivedSQL() 移除衍生的SQL片段.
String	toSQL() 生成SQL语句.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SQLBuilder

public SQLBuilder()

Method Detail

appendToken

public void appendToken(String token)

增加占位符.

Parameters:

token - 占位符

isChanged

public boolean isChanged()

appendToken

public void appendToken(String label,
                        String token)

增加占位符.

Parameters:

label - 占位符标签

token - 占位符

buildSQL

public void buildSQL(String label,
                     String token)

用实际的值替代占位符.

Parameters:

label - 占位符

token - 实际的值

buildSQL

public void buildSQL(String label,
                     String token,
                     boolean isDerived)

用实际的值替代占位符,并可以标记该SQL是否为派生SQL.

Parameters:

label - 占位符

token - 实际的值

isDerived - 是否是派生的SQL

recordNewToken

public void recordNewToken(String label,
                           String token)

记录新的Token.

Parameters:

label - 占位符

token - 实际的值

buildSQLWithNewToken

public SQLBuilder buildSQLWithNewToken()

用实际的值替代占位符,并返回新的构建器.

Returns:

新SQL构建器

toSQL

public String toSQL()

生成SQL语句.

Returns:

SQL语句

append

public Appendable append(CharSequence sql)
                  throws IOException

Specified by:

append in interface Appendable

Throws:

IOException

append

public Appendable append(CharSequence sql,
                         int start,
                         int end)
                  throws IOException

Specified by:

append in interface Appendable

Throws:

IOException

append

public Appendable append(char c)
                  throws IOException

Specified by:

append in interface Appendable

Throws:

IOException

removeDerivedSQL

public void removeDerivedSQL()

移除衍生的SQL片段.

toString

public String toString()

Overrides:

toString in class Object