QueryCondition (Mybatis-Flex)

java.lang.Object
- com.mybatisflex.core.query.QueryCondition

所有已实现的接口:

CloneSupport<QueryCondition>, Serializable, Cloneable

直接已知子类:

Brackets, OperatorQueryCondition, OperatorSelectCondition, RawQueryCondition
```
public class QueryCondition
extends Object
implements CloneSupport<QueryCondition>
```
另请参阅:

序列化表格

字段概要

字段
限定符和类型	字段和说明
`protected QueryColumn`	`column`
`protected SqlConnector`	`connector`
`protected boolean`	`effective`
`private boolean`	`empty` 是否为空条件，默认false
`protected String`	`logic`
`protected QueryCondition`	`next`
`protected QueryCondition`	`prev`
`protected Object`	`value`

构造器概要

构造器
构造器和说明

QueryCondition()

构造器
构造器和说明
`QueryCondition()`

方法概要

所有方法静态方法实例方法具体方法
限定符和类型	方法和说明
`QueryCondition`	`and(QueryCondition nextCondition)`
`QueryCondition`	`and(String sql)`
`QueryCondition`	`and(String sql, Object... params)`
`protected void`	`appendQuestionMark(StringBuilder sqlBuilder)`
`private int`	`calculateValueArrayCount()`
`boolean`	`checkEffective()`
`QueryCondition`	`clone()` 改写 `Object.clone()` 方法。
`protected void`	`connect(QueryCondition nextCondition, SqlConnector connector)`
`(专用程序包) boolean`	`containsTable(String... tables)`
`static QueryCondition`	`create(QueryColumn queryColumn, Object value)`
`static QueryCondition`	`create(QueryColumn queryColumn, SqlOperator logic, Object value)`
`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()`
`(专用程序包) boolean`	`nextContainsTable(String... tables)`
`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。

从类继承的方法 java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

字段详细资料

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
```

empty
```
private boolean empty
```
是否为空条件，默认false

构造器详细资料
- QueryCondition
```
public QueryCondition()
```

方法详细资料

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,
                                    String logic,
                                    Object value)

create

public static QueryCondition create(QueryColumn queryColumn,
                                    SqlOperator 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。

参数:

effective - 是否启用该条件

返回:

QueryCondition

when
```
public QueryCondition when(BooleanSupplier fn)
```
动态条件构造。

参数:

fn - 是否启用该条件

返回:

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

返回:

QueryCondition

getNextEffectiveCondition

protected QueryCondition getNextEffectiveCondition()

appendQuestionMark

protected void appendQuestionMark(StringBuilder sqlBuilder)

calculateValueArrayCount

private int calculateValueArrayCount()

containsTable

boolean containsTable(String... tables)

nextContainsTable

boolean nextContainsTable(String... tables)

toString
```
public String toString()
```
覆盖:

toString 在类中 Object

clone
```
public QueryCondition clone()
```
从接口复制的说明: CloneSupport

改写 Object.clone() 方法。

指定者:

clone 在接口中 CloneSupport<QueryCondition>

覆盖:

clone 在类中 Object

返回:

克隆对象

类 QueryCondition

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

column

logic

value

effective

prev

next

connector

empty

构造器详细资料

QueryCondition

方法详细资料

notEmpty

setEmpty

createEmpty

create

create

create

create

getColumn

setColumn

getValue

setValue

getLogic

setLogic

when

when

checkEffective

and

and

and

or

or

or

connect

toSql

getPrevEffectiveCondition

getNextEffectiveCondition

appendQuestionMark

calculateValueArrayCount

containsTable

nextContainsTable

toString

clone