org.apache.cayenne.reflect

## Class PersistentDescriptorFactory

- java.lang.Object
- - org.apache.cayenne.reflect.PersistentDescriptorFactory

- All Implemented Interfaces:
    ClassDescriptorFactory
  Direct Known Subclasses:
    DataObjectDescriptorFactory, ValueHolderDescriptorFactory

      public abstract class PersistentDescriptorFactory
      extends Object
      implements ClassDescriptorFactory

  A convenience superclass for `ClassDescriptorFactory` implementors.
  Since:
    3.0

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected ClassDescriptorMap` | `descriptorMap`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `PersistentDescriptorFactory(ClassDescriptorMap descriptorMap)`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected Accessor` | `createAccessor(PersistentDescriptor descriptor, String propertyName, Class<?> propertyType)` Creates an accessor for the property.
    `protected void` | `createAttributeProperty(PersistentDescriptor descriptor, ObjAttribute attribute)`
    `protected PersistentDescriptor` | `createDescriptor()`
    `protected Accessor` | `createEmbeddableAccessor(EmbeddableDescriptor descriptor, String propertyName, Class<?> propertyType)` Creates an accessor for the property of the embeddable class.
    `protected EmbeddableDescriptor` | `createEmbeddableDescriptor(EmbeddedAttribute embeddedAttribute)` Creates a descriptor of the embedded property.
    `protected void` | `createEmbeddedAttributeProperty(PersistentDescriptor descriptor, EmbeddedAttribute embeddedAttribute, ObjAttribute attribute)`
    `protected Accessor` | `createMapKeyAccessor(ObjRelationship relationship, ClassDescriptor targetDescriptor)` Creates an accessor to read a map key for a given relationship.
    `protected abstract void` | `createToManyCollectionProperty(PersistentDescriptor descriptor, ObjRelationship relationship)`
    `protected abstract void` | `createToManyListProperty(PersistentDescriptor descriptor, ObjRelationship relationship)`
    `protected abstract void` | `createToManyMapProperty(PersistentDescriptor descriptor, ObjRelationship relationship)`
    `protected abstract void` | `createToManySetProperty(PersistentDescriptor descriptor, ObjRelationship relationship)`
    `protected abstract void` | `createToOneProperty(PersistentDescriptor descriptor, ObjRelationship relationship)`
    `protected ClassDescriptor` | `getDescriptor(ObjEntity entity, Class<?> entityClass)`
    `ClassDescriptor` | `getDescriptor(String entityName)` Returns a ClassDescriptor instance for a given symbolic entity name.
    `protected void` | `indexQualifiers(PersistentDescriptor descriptor, EntityInheritanceTree inheritanceTree)`
    `protected void` | `indexRootDbEntities(PersistentDescriptor descriptor, EntityInheritanceTree inheritanceTree)`
    `protected void` | `indexSubclassDescriptors(PersistentDescriptor descriptor, EntityInheritanceTree inheritanceTree)`
    `protected void` | `indexSuperclassProperties(PersistentDescriptor descriptor)` Adds superclass properties to the descriptor, applying proper overrides.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### descriptorMap

          protected ClassDescriptorMap descriptorMap

  - ### Constructor Detail

    - #### PersistentDescriptorFactory

          public PersistentDescriptorFactory(ClassDescriptorMap descriptorMap)

  - ### Method Detail

    - #### getDescriptor

          public ClassDescriptor getDescriptor(String entityName)

      Description copied from interface: `ClassDescriptorFactory`
      Returns a ClassDescriptor instance for a given symbolic entity name. Returns null if this factory doesn't support this type of entity.
      Specified by:
        `getDescriptor` in interface `ClassDescriptorFactory`

    - #### getDescriptor

          protected ClassDescriptor getDescriptor(ObjEntity entity,
                                                  Class<?> entityClass)

    - #### createDescriptor

          protected PersistentDescriptor createDescriptor()

    - #### createAttributeProperty

          protected void createAttributeProperty(PersistentDescriptor descriptor,
                                                 ObjAttribute attribute)

    - #### createEmbeddedAttributeProperty

          protected void createEmbeddedAttributeProperty(PersistentDescriptor descriptor,
                                                         EmbeddedAttribute embeddedAttribute,
                                                         ObjAttribute attribute)

    - #### createToOneProperty

          protected abstract void createToOneProperty(PersistentDescriptor descriptor,
                                                      ObjRelationship relationship)

    - #### createToManySetProperty

          protected abstract void createToManySetProperty(PersistentDescriptor descriptor,
                                                          ObjRelationship relationship)

    - #### createToManyMapProperty

          protected abstract void createToManyMapProperty(PersistentDescriptor descriptor,
                                                          ObjRelationship relationship)

    - #### createToManyListProperty

          protected abstract void createToManyListProperty(PersistentDescriptor descriptor,
                                                           ObjRelationship relationship)

    - #### createToManyCollectionProperty

          protected abstract void createToManyCollectionProperty(PersistentDescriptor descriptor,
                                                                 ObjRelationship relationship)

    - #### indexSubclassDescriptors

          protected void indexSubclassDescriptors(PersistentDescriptor descriptor,
                                                  EntityInheritanceTree inheritanceTree)

    - #### indexRootDbEntities

          protected void indexRootDbEntities(PersistentDescriptor descriptor,
                                             EntityInheritanceTree inheritanceTree)

    - #### indexQualifiers

          protected void indexQualifiers(PersistentDescriptor descriptor,
                                         EntityInheritanceTree inheritanceTree)

    - #### indexSuperclassProperties

          protected void indexSuperclassProperties(PersistentDescriptor descriptor)

      Adds superclass properties to the descriptor, applying proper overrides.

    - #### createAccessor

          protected Accessor createAccessor(PersistentDescriptor descriptor,
                                            String propertyName,
                                            Class<?> propertyType)
                                     throws PropertyException

      Creates an accessor for the property.
      Throws:
        `PropertyException`

    - #### createMapKeyAccessor

          protected Accessor createMapKeyAccessor(ObjRelationship relationship,
                                                  ClassDescriptor targetDescriptor)

      Creates an accessor to read a map key for a given relationship.

    - #### createEmbeddableAccessor

          protected Accessor createEmbeddableAccessor(EmbeddableDescriptor descriptor,
                                                      String propertyName,
                                                      Class<?> propertyType)

      Creates an accessor for the property of the embeddable class.

    - #### createEmbeddableDescriptor

          protected EmbeddableDescriptor createEmbeddableDescriptor(EmbeddedAttribute embeddedAttribute)

      Creates a descriptor of the embedded property.

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