org.teasoft.bee.osql.chain

Interface Where<T>

All Known Subinterfaces:

Delete, Select, Update

public interface Where<T>

generate standard SQL of where part with chain programming.

Since:

2.4.0

Author:

Kingstar

Method Summary

Modifier and Type	Method and Description
T	and() Default will automatically add and.
T	between(String field, Number low, Number high)
T	in(String field, Number... valueList)
T	in(String field, String valueList)
T	isNotNull(String field)
T	isNull(String field)
T	lParentheses() add "("
T	not()
T	notBetween(String field, Number low, Number high)
T	notIn(String field, Number... valueList)
T	notIn(String field, String valueList)
T	op(String field, Number value) will transfer to field=value or field=?
T	op(String field, Op op, Object value) add a expression formatter as : field operator value, eg:op("field1",Op.ge,11) --> field1 >= 11
T	op(String field, String value) will transfer to field='value' or field=?
T	opWithField(String field1, Op op, String field2)
T	or()
T	rParentheses() add ")"
T	where()
T	where(String expression)

Method Detail

lParentheses

T lParentheses()

add "("

Returns:

T

rParentheses

T rParentheses()

add ")"

Returns:

T

op

T op(String field,
     String value)

will transfer to field='value' or field=?

Parameters:

field -

value -

Returns:

op

T op(String field,
     Number value)

will transfer to field=value or field=?

Parameters:

field -

value -

Returns:

op

T op(String field,
     Op op,
     Object value)

add a expression formatter as : field operator value, eg:op("field1",Op.ge,11) --> field1 >= 11

Parameters:

field -

op - Op

value - support String,Number, and if the Op is In/NotIn, can use Number Array,String,Set,List.

Returns:

T

opWithField

T opWithField(String field1,
              Op op,
              String field2)

and

T and()

Default will automatically add and.

Returns:

T

or

T or()

not

T not()

where

T where()

where

T where(String expression)

between

T between(String field,
          Number low,
          Number high)

notBetween

T notBetween(String field,
             Number low,
             Number high)

isNull

T isNull(String field)

isNotNull

T isNotNull(String field)

in

T in(String field,
     Number... valueList)

notIn

T notIn(String field,
        Number... valueList)

in

T in(String field,
     String valueList)

notIn

T notIn(String field,
        String valueList)