Package com.querydsl.core.types.dsl

Class BeanPath<T>

java.lang.Object

com.querydsl.core.types.dsl.DslExpression<T>

com.querydsl.core.types.dsl.SimpleExpression<T>

com.querydsl.core.types.dsl.BeanPath<T>

Type Parameters:

T - expression type

All Implemented Interfaces:

Expression<T>, Path<T>, Serializable

Direct Known Subclasses:

EntityPathBase

public class BeanPath<T>
extends SimpleExpression<T>
implements Path<T>

BeanPath represents bean paths

Author:

tiwe

See Also:

• Serialized Form

Field Summary

Fields inherited from class com.querydsl.core.types.dsl.DslExpression

hashCode, mixin

Constructor Summary

Constructors

Constructor	Description
BeanPath(Class<? extends T> type, Path<?> parent, String property)
BeanPath(Class<? extends T> type, PathMetadata metadata)
BeanPath(Class<? extends T> type, PathMetadata metadata, @Nullable PathInits inits)
BeanPath(Class<? extends T> type, String variable)

Method Summary

Modifier and Type	Method	Description
final <R, C> R	accept(Visitor<R,C> v, C context)	Accept the visitor with the given context
protected <P extends Path<?>> P	add(P path)	Template method for tracking child path creation
<U extends BeanPath<? extends T>> U	as(Class<U> clazz)	Cast the path to a subtype querytype
protected <A, E> ArrayPath<A,E>	createArray(String property, Class<? super A> type)	Create a new array path
protected BooleanPath	createBoolean(String property)	Create a new Boolean path
protected <A, Q extends SimpleExpression<? super A>> CollectionPath<A,Q>	createCollection(String property, Class<? super A> type, Class<? super Q> queryType, PathInits inits)	Create a new Collection typed path
protected <A extends Comparable> ComparablePath<A>	createComparable(String property, Class<? super A> type)	Create a new Comparable typed path
protected <A extends Comparable> DatePath<A>	createDate(String property, Class<? super A> type)	Create a new Date path
protected <A extends Comparable> DateTimePath<A>	createDateTime(String property, Class<? super A> type)	Create a new DateTime path
protected <A extends Enum<A>> EnumPath<A>	createEnum(String property, Class<A> type)	Create a new Enum path
protected <A, E extends SimpleExpression<? super A>> ListPath<A,E>	createList(String property, Class<? super A> type, Class<? super E> queryType, PathInits inits)	Create a new List typed path
protected <K, V, E extends SimpleExpression<? super V>> MapPath<K,V,E>	createMap(String property, Class<? super K> key, Class<? super V> value, Class<? super E> queryType)	Create a new Map typed path
protected <A extends Number & Comparable<?>> NumberPath<A>	createNumber(String property, Class<? super A> type)	Create a new Number path
protected <A, E extends SimpleExpression<? super A>> SetPath<A,E>	createSet(String property, Class<? super A> type, Class<? super E> queryType, PathInits inits)	Create a new Set typed path
protected <A> SimplePath<A>	createSimple(String property, Class<? super A> type)	Create a new Simple path
protected StringPath	createString(String property)	Create a new String path
protected <A extends Comparable> TimePath<A>	createTime(String property, Class<? super A> type)	Create a new Time path
protected PathMetadata	forProperty(String property)
AnnotatedElement	getAnnotatedElement()	Return the annotated element related to the given path
PathMetadata	getMetadata()	Get the metadata for this path
Path<?>	getRoot()	Get the root for this path
<B extends T> BooleanExpression	instanceOf(Class<B> type)	Create an this instanceOf type expression
BooleanExpression	instanceOfAny(Class... types)

Methods inherited from class com.querydsl.core.types.dsl.SimpleExpression

as, as, count, countDistinct, eq, eq, eqAll, eqAll, eqAny, eqAny, in, in, in, in, in, isNotNull, isNull, ne, ne, neAll, neAny, notIn, notIn, notIn, notIn, notIn, nullif, nullif, when, when

Methods inherited from class com.querydsl.core.types.dsl.DslExpression

equals, getType, hashCode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.querydsl.core.types.Expression

getType

Constructor Details

BeanPath

public BeanPath(Class<? extends T> type,
 String variable)

BeanPath

public BeanPath(Class<? extends T> type,
 Path<?> parent,
 String property)

BeanPath

public BeanPath(Class<? extends T> type,
 PathMetadata metadata)

BeanPath

public BeanPath(Class<? extends T> type,
 PathMetadata metadata,
 @Nullable
 @Nullable PathInits inits)

Method Details

accept

public final <R,
C> R accept(Visitor<R,C> v,
 C context)

Description copied from interface: Expression

Accept the visitor with the given context

Specified by:

accept in interface Expression<T>

Type Parameters:

R - return type

C - context type

Parameters:

v - visitor

context - context of visit

Returns:

result of visit

as

public <U extends BeanPath<? extends T>> U as(Class<U> clazz)

Cast the path to a subtype querytype

Type Parameters:

U -

Parameters:

clazz - subtype class

Returns:

subtype instance with the same identity

add

protected <P extends Path<?>> P add(P path)

Template method for tracking child path creation

Type Parameters:

P -

Parameters:

path - path to be tracked

Returns:

path

createArray

protected <A,
E> ArrayPath<A,E> createArray(String property,
 Class<? super A> type)

Create a new array path

Type Parameters:

A -

Parameters:

property - property name

type - property type

Returns:

property path

createBoolean

protected BooleanPath createBoolean(String property)

Create a new Boolean path

Parameters:

property - property name

Returns:

property path

createCollection

protected <A,
Q extends SimpleExpression<? super A>>
CollectionPath<A,Q> createCollection(String property,
 Class<? super A> type,
 Class<? super Q> queryType,
 PathInits inits)

Create a new Collection typed path

Type Parameters:

A -

Parameters:

property - property name

type - property type

Returns:

property path

createComparable

protected <A extends Comparable> ComparablePath<A> createComparable(String property,
 Class<? super A> type)

Create a new Comparable typed path

Type Parameters:

A -

Parameters:

property - property name

type - property type

Returns:

property path

createEnum

protected <A extends Enum<A>> EnumPath<A> createEnum(String property,
 Class<A> type)

Create a new Enum path

Type Parameters:

A -

Parameters:

property - property name

type - property type

Returns:

property path

createDate

protected <A extends Comparable> DatePath<A> createDate(String property,
 Class<? super A> type)

Create a new Date path

Type Parameters:

A -

Parameters:

property - property name

type - property type

Returns:

property path

createDateTime

protected <A extends Comparable> DateTimePath<A> createDateTime(String property,
 Class<? super A> type)

Create a new DateTime path

Type Parameters:

A -

Parameters:

property - property name

type - property type

Returns:

property path

createList

protected <A,
E extends SimpleExpression<? super A>>
ListPath<A,E> createList(String property,
 Class<? super A> type,
 Class<? super E> queryType,
 PathInits inits)

Create a new List typed path

Type Parameters:

A -

E -

Parameters:

property - property name

type - property type

queryType - expression type

Returns:

property path

createMap

protected <K,
V,
E extends SimpleExpression<? super V>>
MapPath<K,V,E> createMap(String property,
 Class<? super K> key,
 Class<? super V> value,
 Class<? super E> queryType)

Create a new Map typed path

Type Parameters:

K -

V -

E -

Parameters:

property - property name

key - key type

value - value type

queryType - expression type

Returns:

property path

createNumber

protected <A extends Number & Comparable<?>>
NumberPath<A> createNumber(String property,
 Class<? super A> type)

Create a new Number path

Type Parameters:

A -

Parameters:

property - property name

type - property type

Returns:

property path

createSet

protected <A,
E extends SimpleExpression<? super A>>
SetPath<A,E> createSet(String property,
 Class<? super A> type,
 Class<? super E> queryType,
 PathInits inits)

Create a new Set typed path

Type Parameters:

A -

Parameters:

property - property name

type - property type

Returns:

property path

createSimple

protected <A> SimplePath<A> createSimple(String property,
 Class<? super A> type)

Create a new Simple path

Type Parameters:

A -

Parameters:

property - property name

type - property type

Returns:

property path

createString

protected StringPath createString(String property)

Create a new String path

Parameters:

property - property name

Returns:

property path

createTime

protected <A extends Comparable> TimePath<A> createTime(String property,
 Class<? super A> type)

Create a new Time path

Type Parameters:

A -

Parameters:

property - property name

type - property type

Returns:

property path

forProperty

protected PathMetadata forProperty(String property)

getMetadata

public PathMetadata getMetadata()

Description copied from interface: Path

Get the metadata for this path

Specified by:

getMetadata in interface Path<T>

Returns:

path metadata

getRoot

public Path<?> getRoot()

Description copied from interface: Path

Get the root for this path

Specified by:

getRoot in interface Path<T>

Returns:

root of path

instanceOf

public <B extends T> BooleanExpression instanceOf(Class<B> type)

Create an this instanceOf type expression

Type Parameters:

B -

Parameters:

type - rhs of the expression

Returns:

instanceof expression

instanceOfAny

public BooleanExpression instanceOfAny(Class... types)

getAnnotatedElement

public AnnotatedElement getAnnotatedElement()

Description copied from interface: Path

Return the annotated element related to the given path

For property paths the annotated element contains the annotations of the related field and/or getter method and for all others paths the annotated element is the expression type.

Specified by:

getAnnotatedElement in interface Path<T>

Returns:

annotated element