com.mybatisflex.core.query

Class QueryCondition

java.lang.Object

com.mybatisflex.core.query.QueryCondition

All Implemented Interfaces:

CloneSupport<QueryCondition>, Serializable, Cloneable

Direct Known Subclasses:

Brackets, OperatorQueryCondition, OperatorSelectCondition, QueryConditionAdapter, RawQueryCondition

public class QueryCondition
extends Object
implements CloneSupport<QueryCondition>

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected QueryColumn	column
protected SqlConnector	connector
protected boolean	effective
protected String	logic
protected QueryCondition	next
protected QueryCondition	prev
protected Object	value

Constructor Summary

Constructors

Constructor and Description
QueryCondition()

Method Summary

Modifier and Type	Method and Description
QueryCondition	and(QueryCondition nextCondition)
QueryCondition	and(String sql)
QueryCondition	and(String sql, Object... params)
protected void	appendQuestionMark(StringBuilder sqlBuilder)
boolean	checkEffective()
QueryCondition	clone() 改写 Object.clone() 方法。
protected void	connect(QueryCondition nextCondition, SqlConnector connector)
static QueryCondition	create(QueryColumn queryColumn, Object value)
static QueryCondition	create(QueryColumn queryColumn, SqlOperator logic, Collection<?> values)
static QueryCondition	create(QueryColumn queryColumn, SqlOperator logic, Object value)
static QueryCondition	create(QueryColumn queryColumn, String logic, Collection<?> values)
static QueryCondition	create(QueryColumn queryColumn, String logic, Object value)
static QueryCondition	create(String schema, String table, String column, String logic, Object value)
static QueryCondition	createEmpty()
QueryColumn	getColumn()
String	getLogic()
protected QueryCondition	getNextEffectiveCondition()
protected QueryCondition	getPrevEffectiveCondition() 获取上一个 “有效” 的条件
Object	getValue()
protected boolean	notEmpty()
QueryCondition	or(QueryCondition nextCondition)
QueryCondition	or(String sql)
QueryCondition	or(String sql, Object... params)
void	setColumn(QueryColumn column)
protected QueryCondition	setEmpty(boolean empty)
void	setLogic(String logic)
void	setValue(Object value)
String	toSql(List<QueryTable> queryTables, IDialect dialect)
String	toString()
QueryCondition	when(boolean effective) 动态条件构造。
QueryCondition	when(BooleanSupplier fn) 动态条件构造。

Methods inherited from class java.lang.Object

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

Field Detail

column

protected QueryColumn column

logic

protected String logic

value

protected Object value

effective

protected boolean effective

prev

protected QueryCondition prev

next

protected QueryCondition next

connector

protected SqlConnector connector

Constructor Detail

QueryCondition

public QueryCondition()

Method Detail

notEmpty

protected boolean notEmpty()

setEmpty

protected QueryCondition setEmpty(boolean empty)

createEmpty

public static QueryCondition createEmpty()

create

public static QueryCondition create(String schema,
                                    String table,
                                    String column,
                                    String logic,
                                    Object value)

create

public static QueryCondition create(QueryColumn queryColumn,
                                    Object value)

create

public static QueryCondition create(QueryColumn queryColumn,
                                    SqlOperator logic,
                                    Collection<?> values)

create

public static QueryCondition create(QueryColumn queryColumn,
                                    SqlOperator logic,
                                    Object value)

create

public static QueryCondition create(QueryColumn queryColumn,
                                    String logic,
                                    Collection<?> values)

create

public static QueryCondition create(QueryColumn queryColumn,
                                    String logic,
                                    Object value)

getColumn

public QueryColumn getColumn()

setColumn

public void setColumn(QueryColumn column)

getValue

public Object getValue()

setValue

public void setValue(Object value)

getLogic

public String getLogic()

setLogic

public void setLogic(String logic)

when

public QueryCondition when(boolean effective)

动态条件构造。

Parameters:

effective - 是否启用该条件

Returns:

QueryCondition

when

public QueryCondition when(BooleanSupplier fn)

动态条件构造。

Parameters:

fn - 是否启用该条件

Returns:

QueryCondition

checkEffective

public boolean checkEffective()

and

public QueryCondition and(String sql)

and

public QueryCondition and(String sql,
                          Object... params)

and

public QueryCondition and(QueryCondition nextCondition)

or

public QueryCondition or(String sql)

or

public QueryCondition or(String sql,
                         Object... params)

or

public QueryCondition or(QueryCondition nextCondition)

connect

protected void connect(QueryCondition nextCondition,
                       SqlConnector connector)

toSql

public String toSql(List<QueryTable> queryTables,
                    IDialect dialect)

getPrevEffectiveCondition

protected QueryCondition getPrevEffectiveCondition()

获取上一个 “有效” 的条件

Returns:

QueryCondition

getNextEffectiveCondition

protected QueryCondition getNextEffectiveCondition()

appendQuestionMark

protected void appendQuestionMark(StringBuilder sqlBuilder)

toString

public String toString()

Overrides:

toString in class Object

clone

public QueryCondition clone()

Description copied from interface: CloneSupport

改写 Object.clone() 方法。

Specified by:

clone in interface CloneSupport<QueryCondition>

Overrides:

clone in class Object

Returns:

克隆对象