AbstractPersistentProperty (Spring Data Core 2.7.0-M4 API)

java.lang.Object
- org.springframework.data.mapping.model.AbstractPersistentProperty

All Implemented Interfaces:

PersistentProperty

Direct Known Subclasses:

AnnotationBasedPersistentProperty
```
public abstract class AbstractPersistentProperty>
extends Object
implements PersistentProperty
```
Simple implementation of PersistentProperty.

Author:

Jon Brisbin, Oliver Gierke, Christoph Strobl, Mark Paluch

Constructor Summary

Constructors
Constructor and Description
`AbstractPersistentProperty(Property property, PersistentEntity<?,P> owner, SimpleTypeHolder simpleTypeHolder)`

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method and Description
`protected abstract Association<P>`	`createAssociation()`
`boolean`	`equals(Object obj)`
`Class<?>`	`getActualType()` Returns the actual type of the property.
`protected TypeInformation<?>`	`getActualTypeInformation()`
`Association<P>`	`getAssociation()`
`Class<?>`	`getAssociationTargetType()` Return the type the property refers to in case it's an association, i.e.
`TypeInformation<?>`	`getAssociationTargetTypeInformation()` Return the type the property refers to in case it's an association, i.e.
`Class<?>`	`getComponentType()` Returns the component type of the type if it is a `Collection`.
`Field`	`getField()`
`Method`	`getGetter()` Returns the getter method to access the property value if available.
`Class<?>`	`getMapValueType()` Returns the type of the values if the property is a `Map`.
`String`	`getName()` The name of the property
`PersistentEntity<?,P>`	`getOwner()` Returns the `PersistentEntity` owning the current `PersistentProperty`.
`Iterable<? extends TypeInformation<?>>`	`getPersistentEntityTypeInformation()` Returns the detected `TypeInformations` if the property references a `PersistentEntity`.
`Iterable<? extends TypeInformation<?>>`	`getPersistentEntityTypes()` Returns the `TypeInformation` if the property references a `PersistentEntity`.
`protected Property`	`getProperty()`
`Class<?>`	`getRawType()` Returns the raw type as it's pulled from from the reflected property.
`Method`	`getSetter()` Returns the setter method to set a property value.
`String`	`getSpelExpression()`
`Class<?>`	`getType()` The type of the property
`TypeInformation<?>`	`getTypeInformation()` Returns the `TypeInformation` of the property.
`Method`	`getWither()` Returns the with `Method` to set a property value on a new object instance.
`int`	`hashCode()`
`boolean`	`isArray()` Returns whether the property is an array.
`boolean`	`isAssociation()` Returns whether the property is an `Association`.
`boolean`	`isCollectionLike()` Returns whether the property is a `Collection`, `Iterable` or an array.
`boolean`	`isEntity()` Returns whether the type of the `PersistentProperty` is actually to be regarded as `PersistentEntity` in turn.
`boolean`	`isImmutable()` Returns whether the current property is immutable, i.e. if there is no setter or the backing `Field` is `final`.
`boolean`	`isMap()` Returns whether the property is a `Map`.
`boolean`	`isTransient()` Returns whether the property is transient.
`boolean`	`isWritable()` Returns whether the current property is writable, i.e. if the value held for it shall be written to the data store.
`String`	`toString()`
`boolean`	`usePropertyAccess()` Returns whether property access shall be used for reading the property value.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.springframework.data.mapping.PersistentProperty
findAnnotation, findPropertyOrOwnerAnnotation, getAccessorForOwner, getRequiredAnnotation, getRequiredAssociation, getRequiredField, getRequiredGetter, getRequiredSetter, getRequiredWither, getValueConverterType, hasActualTypeAnnotation, hasValueConverter, isAnnotationPresent, isIdProperty, isVersionProperty

- Constructor Detail
 - AbstractPersistentProperty
```
public AbstractPersistentProperty(Property property,
 PersistentEntity<?,P> owner,
 SimpleTypeHolder simpleTypeHolder)
```
- Method Detail
 - createAssociation
```
protected abstract Association createAssociation()
```
 - getOwner
```
public PersistentEntity<?,P> getOwner()
```
 Description copied from interface: PersistentProperty
 
 Returns the PersistentEntity owning the current PersistentProperty.
 
 Specified by:
 
 getOwner in interface PersistentProperty>
 
 Returns:
 
 never null.
 - getName
```
public String getName()
```
 Description copied from interface: PersistentProperty
 
 The name of the property
 
 Specified by:
 
 getName in interface PersistentProperty>
 
 Returns:
 
 The property name
 - getType
```
public Class<?> getType()
```
 Description copied from interface: PersistentProperty
 
 The type of the property
 
 Specified by:
 
 getType in interface PersistentProperty>
 
 Returns:
 
 The property type
 - getRawType
```
public Class<?> getRawType()
```
 Description copied from interface: PersistentProperty
 
 Returns the raw type as it's pulled from from the reflected property.
 
 Specified by:
 
 getRawType in interface PersistentProperty>
 
 Returns:
 
 the raw type of the property.
 - getTypeInformation
```
public TypeInformation<?> getTypeInformation()
```
 Description copied from interface: PersistentProperty
 
 Returns the TypeInformation of the property.
 
 Specified by:
 
 getTypeInformation in interface PersistentProperty>
 
 Returns:
 - getPersistentEntityTypes
```
public Iterable<? extends TypeInformation<?>> getPersistentEntityTypes()
```
 Description copied from interface: PersistentProperty
 
 Returns the TypeInformation if the property references a PersistentEntity. Will return null in case it refers to a simple type. Will return Collection's component type or the Map's value type transparently.
 
 Specified by:
 
 getPersistentEntityTypes in interface PersistentProperty>
 
 Returns:
 - getPersistentEntityTypeInformation
```
public Iterable<? extends TypeInformation<?>> getPersistentEntityTypeInformation()
```
 Description copied from interface: PersistentProperty
 
 Returns the detected TypeInformations if the property references a PersistentEntity. Will return an empty Iterable in case it refers to a simple type. Will return the Collection's component types or the Map's value type transparently.
 
 Specified by:
 
 getPersistentEntityTypeInformation in interface PersistentProperty>
 
 Returns:
 
 never null.
 - getGetter
```
@Nullable
public Method getGetter()
```
 Description copied from interface: PersistentProperty
 
 Returns the getter method to access the property value if available. Might return null in case there is no getter method with a return type assignable to the actual property's type.
 
 Specified by:
 
 getGetter in interface PersistentProperty>
 
 Returns:
 
 the getter method to access the property value if available, otherwise null.
 - getSetter
```
@Nullable
public Method getSetter()
```
 Description copied from interface: PersistentProperty
 
 Returns the setter method to set a property value. Might return null in case there is no setter available.
 
 Specified by:
 
 getSetter in interface PersistentProperty>
 
 Returns:
 
 the setter method to set a property value if available, otherwise null.
 - getWither
```
@Nullable
public Method getWither()
```
 Description copied from interface: PersistentProperty
 Returns the with Method to set a property value on a new object instance. Might return null in case there is no with available.
 With methods are property-bound instance methods that accept a single argument of the property type creating a new object instance.
```
 class Person {
 final String id;
 final String name;

 // …

 Person withName(String name) {
 return new Person(this.id, name);
 }
 }
 
```
 Specified by:
 
 getWither in interface PersistentProperty>
 
 Returns:
 
 the with Method to set a property value on a new object instance if available, otherwise null.
 - getField
```
@Nullable
public Field getField()
```
 Specified by:
 
 getField in interface PersistentProperty>
 - getSpelExpression
```
@Nullable
public String getSpelExpression()
```
 Specified by:
 
 getSpelExpression in interface PersistentProperty>
 
 Returns:
 
 null if no expression defined.
 - isTransient
```
public boolean isTransient()
```
 Description copied from interface: PersistentProperty
 
 Returns whether the property is transient.
 
 Specified by:
 
 isTransient in interface PersistentProperty>
 
 Returns:
 - isWritable
```
public boolean isWritable()
```
 Description copied from interface: PersistentProperty
 
 Returns whether the current property is writable, i.e. if the value held for it shall be written to the data store.
 
 Specified by:
 
 isWritable in interface PersistentProperty>
 
 Returns:
 - isImmutable
```
public boolean isImmutable()
```
 Description copied from interface: PersistentProperty
 
 Returns whether the current property is immutable, i.e. if there is no setter or the backing Field is final.
 
 Specified by:
 
 isImmutable in interface PersistentProperty>
 
 Returns:
 
 See Also:
 
 Modifier.isFinal(int)
 - isAssociation
```
public boolean isAssociation()
```
 Description copied from interface: PersistentProperty
 
 Returns whether the property is an Association.
 
 Specified by:
 
 isAssociation in interface PersistentProperty>
 
 Returns:
 - getAssociation
```
@Nullable
public Association getAssociation()
```
 Specified by:
 
 getAssociation in interface PersistentProperty>
 
 Returns:
 
 null if property is not part of an Association.
 - getAssociationTargetType
```
@Nullable
public Class<?> getAssociationTargetType()
```
 Description copied from interface: PersistentProperty
 
 Return the type the property refers to in case it's an association, i.e. PersistentProperty.isAssociation() returns true. That means, that implementations must return a non-null value from this method in that case. We also recommend to return null for non-associations right away to establish symmetry between this method and PersistentProperty.isAssociation().
 
 Specified by:
 
 getAssociationTargetType in interface PersistentProperty>
 
 Returns:
 
 the type the property refers to in case it's an association, i.e. PersistentProperty.isAssociation() returns true.
 - getAssociationTargetTypeInformation
```
@Nullable
public TypeInformation<?> getAssociationTargetTypeInformation()
```
 Description copied from interface: PersistentProperty
 
 Return the type the property refers to in case it's an association, i.e. PersistentProperty.isAssociation() returns true. That means, that implementations must return a non-null value from this method in that case. We also recommend to return null for non-associations right away to establish symmetry between this method and PersistentProperty.isAssociation().
 
 Specified by:
 
 getAssociationTargetTypeInformation in interface PersistentProperty>
 
 Returns:
 
 the type the property refers to in case it's an association, i.e. PersistentProperty.isAssociation() returns true.
 - isCollectionLike
```
public boolean isCollectionLike()
```
 Description copied from interface: PersistentProperty
 
 Returns whether the property is a Collection, Iterable or an array.
 
 Specified by:
 
 isCollectionLike in interface PersistentProperty>
 
 Returns:
 - isMap
```
public boolean isMap()
```
 Description copied from interface: PersistentProperty
 
 Returns whether the property is a Map.
 
 Specified by:
 
 isMap in interface PersistentProperty>
 
 Returns:
 - isArray
```
public boolean isArray()
```
 Description copied from interface: PersistentProperty
 
 Returns whether the property is an array.
 
 Specified by:
 
 isArray in interface PersistentProperty>
 
 Returns:
 - isEntity
```
public boolean isEntity()
```
 Description copied from interface: PersistentProperty
 
 Returns whether the type of the PersistentProperty is actually to be regarded as PersistentEntity in turn.
 
 Specified by:
 
 isEntity in interface PersistentProperty>
 
 Returns:
 
 true a PersistentEntity.
 - getComponentType
```
@Nullable
public Class<?> getComponentType()
```
 Description copied from interface: PersistentProperty
 
 Returns the component type of the type if it is a Collection. Will return the type of the key if the property is a Map.
 
 Specified by:
 
 getComponentType in interface PersistentProperty>
 
 Returns:
 
 the component type, the map's key type or null if neither Collection nor Map.
 - getMapValueType
```
@Nullable
public Class<?> getMapValueType()
```
 Description copied from interface: PersistentProperty
 
 Returns the type of the values if the property is a Map.
 
 Specified by:
 
 getMapValueType in interface PersistentProperty>
 
 Returns:
 
 the map's value type or null if no Map
 - getActualType
```
public Class<?> getActualType()
```
 Description copied from interface: PersistentProperty
 
 Returns the actual type of the property. This will be the original property type if no generics were used, the component type for collection-like types and arrays as well as the value type for map properties.
 
 Specified by:
 
 getActualType in interface PersistentProperty>
 
 Returns:
 - usePropertyAccess
```
public boolean usePropertyAccess()
```
 Description copied from interface: PersistentProperty
 
 Returns whether property access shall be used for reading the property value. This means it will use the getter instead of field access.
 
 Specified by:
 
 usePropertyAccess in interface PersistentProperty>
 
 Returns:
 - getProperty
```
protected Property getProperty()
```
 - getActualTypeInformation
```
protected TypeInformation<?> getActualTypeInformation()
```
 - equals
```
public boolean equals(@Nullable
 Object obj)
```
 Overrides:
 
 equals in class Object
 - hashCode
```
public int hashCode()
```
 Overrides:
 
 hashCode in class Object
 - toString
```
public String toString()
```
 Overrides:
 
 toString in class Object

Class AbstractPersistentProperty<P extends PersistentProperty<P>>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface org.springframework.data.mapping.PersistentProperty

Constructor Detail

AbstractPersistentProperty

Method Detail

createAssociation

getOwner

getName

getType

getRawType

getTypeInformation

getPersistentEntityTypes

getPersistentEntityTypeInformation

getGetter

getSetter

getWither

getField

getSpelExpression

isTransient

isWritable

isImmutable

isAssociation

getAssociation

getAssociationTargetType

getAssociationTargetTypeInformation

isCollectionLike

isMap

isArray

isEntity

getComponentType

getMapValueType

getActualType

usePropertyAccess

getProperty

getActualTypeInformation

equals

hashCode

toString