# Uses of Interface
org.apache.cayenne.exp.property.Property

Packages that use Property
Package
Description
org.apache.cayenne.access.translator.select
org.apache.cayenne.exp
Cayenne data expression classes.
org.apache.cayenne.exp.property
Property API
org.apache.cayenne.query
Defines standard queries supported by Cayenne and extension mechanism to create custom queries.

- ## Uses of Property in org.apache.cayenne.access.translator.select

  Methods in org.apache.cayenne.access.translator.select that return types with arguments of type Property
  Modifier and Type
  Method
  Description
  `Collection<Property<?>>`
  FluentSelectWrapper.`getColumns()`
  `Collection<Property<?>>`
  SelectQueryWrapper.`getColumns()`
  Deprecated.
  `Collection<Property<?>>`
  TranslatableQueryWrapper.`getColumns()`

- ## Uses of Property in org.apache.cayenne.exp

  Classes in org.apache.cayenne.exp that implement Property
  Modifier and Type
  Class
  Description
  `class`
  `Property<E>`
  Deprecated.
  since 4.2 in favour of type-specific set of properties, see `PropertyFactory` and `org.apache.cayenne.exp.property` package.

- ## Uses of Property in org.apache.cayenne.exp.property

  Subinterfaces of Property in org.apache.cayenne.exp.property
  Modifier and Type
  Interface
  Description
  `interface`
  `ComparableProperty<E>`
  Interface (or "Trait") that provides basic functionality for comparable properties.
  `interface`
  `IdProperty<E>`
  Base class for properties mapped to PK
  `interface`
  `PathProperty<E>`
  Property that represents path segment (relationship or embeddable).
  `interface`
  `RelationshipProperty<E>`
  Interface (or "Trait") that provides basic functionality for all types of relationships.
  Classes in org.apache.cayenne.exp.property that implement Property
  Modifier and Type
  Class
  Description
  `class`
  `BaseIdProperty<E>`
  Property that represents non-numeric PK
  `class`
  `BaseProperty<E>`
  Property that represents generic attribute.
  `class`
  `CollectionProperty<V extends Persistent,E extends Collection<V>>`
  Base class for `ListProperty` and `SetProperty`
  `class`
  `DateProperty<E>`
  Property that represents date/time attribute.
  `class`
  `EmbeddableProperty<E>`
  Property that represents object attribute mapped on `Embeddable` object.
  `class`
  `EntityProperty<E extends Persistent>`
  Property that represents to-one relationships.
  `class`
  `ListProperty<V extends Persistent>`
  Property that represents to-many relationship mapped on `List`.
  `class`
  `MapProperty<K,V extends Persistent>`
  Property that represents to-many relationship mapped on `Map`.
  `class`
  `NumericIdProperty<E extends Number>`
  Property that represents numeric PK
  `class`
  `NumericProperty<E extends Number>`
  Property that represents attributes mapped on numeric types
  `class`
  `SetProperty<V extends Persistent>`
  Property that represents to-many relationship mapped on `Set`.
  `class`
  `StringProperty<E extends CharSequence>`
  Property that represents attributes mapped on string types

- ## Uses of Property in org.apache.cayenne.query

  Fields in org.apache.cayenne.query with type parameters of type Property
  Modifier and Type
  Field
  Description
  `protected Collection<Property<?>>`
  SelectQuery.`columns`
  Deprecated.
  Methods in org.apache.cayenne.query that return types with arguments of type Property
  Modifier and Type
  Method
  Description
  `Collection<Property<?>>`
  ColumnSelect.`getColumns()`
  `Collection<Property<?>>`
  FluentSelect.`getColumns()`
  `Collection<Property<?>>`
  SelectQuery.`getColumns()`
  Deprecated.
  Methods in org.apache.cayenne.query with parameters of type Property
  Modifier and Type
  Method
  Description
  `protected <E> ColumnSelect<E>`
  ColumnSelect.`column(Property<E> property)`
  `<E> ColumnSelect<E>`
  ObjectSelect.`column(Property<E> property)`
  Select one specific property.
  `static ColumnSelect<Object[]>`
  ObjectSelect.`columnQuery(Class<?> entityType, Property<?>... columns)`
  Creates a ColumnSelect that will fetch multiple columns of a given `ObjEntity`
  `static <E> ColumnSelect<E>`
  ObjectSelect.`columnQuery(Class<?> entityType, Property<E> column)`
  Creates a ColumnSelect that will fetch single property that can be resolved against a given `ObjEntity` class.
  `ColumnSelect<Object[]>`
  ColumnSelect.`columns(Property<?>... properties)`
  Add properties to select.
  `ColumnSelect<Object[]>`
  ObjectSelect.`columns(Property<?>... properties)`
  Select only specific properties.
  `void`
  SelectQuery.`setColumns(Property<?>... columns)`
  Deprecated.
  Method parameters in org.apache.cayenne.query with type arguments of type Property
  Modifier and Type
  Method
  Description
  `ColumnSelect<Object[]>`
  ColumnSelect.`columns(Collection<Property<?>> properties)`
  Add properties to select.
  `void`
  SelectQuery.`setColumns(Collection<Property<?>> columns)`
  Deprecated.