org.beangle.commons.dao.query.builder

Class Condition

java.lang.Object

org.beangle.commons.dao.query.builder.Condition

public class Condition
extends Object

查询条件 使用例子如下

      new Condition("std.id=?",new Long(2));
      或者 Condition("std.id=:std_id",new Long(2));
      ?绑定单值.命名参数允许绑定多值.但是只能由字母,数组和下划线组成
      一组condition只能采取上面一种形式
 

Version:

$Id: $

Author:

chaostone

Constructor Summary

Constructors

Constructor and Description
Condition(String content) Constructor for Condition.
Condition(String content, Object param1) Constructor for Condition.
Condition(String content, Object param1, Object param2) Constructor for Condition.
Condition(String content, Object param1, Object param2, Object param3) Constructor for Condition.

Method Summary

Modifier and Type	Method and Description
static Condition	eq(String content, Number value) eq.
static Condition	eq(String content, String value) eq.
boolean	equals(Object obj)
static Condition	ge(String content, Number value) ge.
String	getContent() Getter for the field content.
List<String>	getParamNames() 得到查询条件中所有的命名参数.
List<Object>	getParams() Getter for the field params.
int	hashCode() hashCode.
boolean	isNamed() isNamed.
static Condition	le(String content, Number value) le.
static Condition	like(String content, String value) like.
static Condition	ne(String content, Number value) ne.
Condition	param(Object value) param.
Condition	params(List<?> values) params.
String	toString() toString.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Condition

public Condition(String content)

Constructor for Condition.

Parameters:

content - a String object.

Condition

public Condition(String content,
                 Object param1)

Constructor for Condition.

Parameters:

content - a String object.

param1 - a Object object.

Condition

public Condition(String content,
                 Object param1,
                 Object param2)

Constructor for Condition.

Parameters:

content - a String object.

param1 - a Object object.

param2 - a Object object.

Condition

public Condition(String content,
                 Object param1,
                 Object param2,
                 Object param3)

Constructor for Condition.

Parameters:

content - a String object.

param1 - a Object object.

param2 - a Object object.

param3 - a Object object.

Method Detail

getContent

public String getContent()

Getter for the field content.

Returns:

a String object.

getParams

public List<Object> getParams()

Getter for the field params.

Returns:

a List object.

isNamed

public boolean isNamed()

isNamed.

Returns:

a boolean.

getParamNames

public List<String> getParamNames()

得到查询条件中所有的命名参数.

Returns:

a List object.

param

public Condition param(Object value)

param.

Parameters:

value - a Object object.

Returns:

a Condition object.

params

public Condition params(List<?> values)

params.

Parameters:

values - a List object.

Returns:

a Condition object.

toString

public String toString()

toString.

Overrides:

toString in class Object

Returns:

a String object.

See Also:

Object.toString()

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

hashCode.

Overrides:

hashCode in class Object

Returns:

a int.

eq

public static Condition eq(String content,
                           Number value)

eq.

Parameters:

content - a String object.

value - a Number object.

Returns:

a Condition object.

eq

public static Condition eq(String content,
                           String value)

eq.

Parameters:

content - a String object.

value - a String object.

Returns:

a Condition object.

le

public static Condition le(String content,
                           Number value)

le.

Parameters:

content - a String object.

value - a Number object.

Returns:

a Condition object.

ge

public static Condition ge(String content,
                           Number value)

ge.

Parameters:

content - a String object.

value - a Number object.

Returns:

a Condition object.

ne

public static Condition ne(String content,
                           Number value)

ne.

Parameters:

content - a String object.

value - a Number object.

Returns:

a Condition object.

like

public static Condition like(String content,
                             String value)

like.

Parameters:

content - a String object.

value - a String object.

Returns:

a Condition object.