io.micronaut.data.model

Interface PersistentProperty

All Superinterfaces:

io.micronaut.core.annotation.AnnotationMetadataProvider, io.micronaut.core.annotation.AnnotationSource, io.micronaut.core.naming.Named, PersistentElement

All Known Subinterfaces:

Association, Embedded

All Known Implementing Classes:

RuntimeAssociation, RuntimePersistentProperty, SourcePersistentProperty

public interface PersistentProperty
extends PersistentElement

Models a persistent property. That is a property that is saved and retrieved from the database.

Since:

1.0

Author:

graemerocher

Field Summary

Fields inherited from interface io.micronaut.core.annotation.AnnotationSource

EMPTY

Method Summary

Modifier and Type	Method and Description
default java.lang.String	getCapitilizedName() The name with the first letter in upper case as per Java bean conventions.
default DataType	getDataType()
java.lang.String	getName() The name of the property.
PersistentEntity	getOwner() Obtains the owner of this persistent property.
java.lang.String	getTypeName() The type of the property.
default boolean	isAssignable(java.lang.Class<?> type) Is the property assignable to the given type.
boolean	isAssignable(java.lang.String type) Is the property assignable to the given type name.
default boolean	isAutoPopulated()
default boolean	isConstructorArgument()
default boolean	isEnum()
default boolean	isGenerated() Whether the property is generated.
static boolean	isNullableMetadata(io.micronaut.core.annotation.AnnotationMetadata metadata) Return whether the metadata indicates the instance is nullable.
default boolean	isOptional() Whether the property can be set to null.
default boolean	isReadOnly() Whether the property is read-only, for example for generated values.
default boolean	isRequired() Whether a property is required to be specified.

Methods inherited from interface io.micronaut.data.model.PersistentElement

getPersistedName

Methods inherited from interface io.micronaut.core.annotation.AnnotationMetadataProvider

findAnnotation, findAnnotation, findDeclaredAnnotation, findDeclaredAnnotation, getAnnotationMetadata, isAnnotationPresent, isDeclaredAnnotationPresent, synthesize, synthesizeAll, synthesizeAnnotationsByType, synthesizeDeclared, synthesizeDeclared, synthesizeDeclaredAnnotationsByType

Methods inherited from interface io.micronaut.core.annotation.AnnotationSource

getAnnotation, getAnnotation, getDeclaredAnnotation, getDeclaredAnnotation, isAnnotationPresent, isDeclaredAnnotationPresent, synthesize, synthesizeDeclared

Method Detail

getName

@NonNull
java.lang.String getName()

The name of the property.

Specified by:

getName in interface io.micronaut.core.naming.Named

Returns:

The property name

getCapitilizedName

@NonNull
default java.lang.String getCapitilizedName()

The name with the first letter in upper case as per Java bean conventions.

Returns:

The capitilized name

getTypeName

@NonNull
java.lang.String getTypeName()

The type of the property.

Returns:

The property type

getOwner

@NonNull
PersistentEntity getOwner()

Obtains the owner of this persistent property.

Returns:

The owner

isOptional

default boolean isOptional()

Whether the property can be set to null.

Returns:

True if it can

isRequired

default boolean isRequired()

Whether a property is required to be specified. This returns false if the property is both not nullable and not generated.

Returns:

True if the property is required

See Also:

isOptional(), isGenerated()

isReadOnly

default boolean isReadOnly()

Whether the property is read-only, for example for generated values.

Returns:

True if it is read-only

isConstructorArgument

default boolean isConstructorArgument()

Returns:

Is the property also a constructor argument.

isGenerated

default boolean isGenerated()

Whether the property is generated.

Returns:

True if is generated

isAutoPopulated

default boolean isAutoPopulated()

Returns:

True if the property is autopopulated

isAssignable

boolean isAssignable(@NonNull
                     java.lang.String type)

Is the property assignable to the given type name.

Parameters:

type - The type name

Returns:

True if it is

isAssignable

default boolean isAssignable(@NonNull
                             java.lang.Class<?> type)

Is the property assignable to the given type.

Parameters:

type - The type

Returns:

True it is

getDataType

default DataType getDataType()

Returns:

The data type

isEnum

default boolean isEnum()

Returns:

Returns whether the property is an enum.

isNullableMetadata

static boolean isNullableMetadata(@NonNull
                                  io.micronaut.core.annotation.AnnotationMetadata metadata)

Return whether the metadata indicates the instance is nullable.

Parameters:

metadata - The metadata

Returns:

True if it is nullable