org.jsimpledb

Class JReferenceField

java.lang.Object

org.jsimpledb.JSchemaObject

org.jsimpledb.JField

org.jsimpledb.JSimpleField

org.jsimpledb.JReferenceField

public class JReferenceField
extends JSimpleField

Represents a reference field in a JClass or a reference sub-field of a complex field in a JClass.

Method Summary

Modifier and Type	Method and Description
Converter<ObjId,JObject>	getConverter(JTransaction jtx) Get a Converter that converts this field values between core API type and Java model type.
DeleteAction	getOnDelete() Get the DeleteAction configured for this field.
JObject	getValue(JObject jobj) Get the Java value of this field in the given Java model object.
boolean	isCascadeDelete() Determine whether the referred-to object should be deleted when an object containing this field is deleted.
<R> R	visit(JFieldSwitch<R> target) Apply visitor pattern.

Methods inherited from class org.jsimpledb.JSimpleField

getFieldType, getParentField, getSetter, getTypeToken, isIndexed, setValue

Methods inherited from class org.jsimpledb.JField

getGetter

Methods inherited from class org.jsimpledb.JSchemaObject

getJSimpleDB, getName, getStorageId, toString

Methods inherited from class java.lang.Object

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

Method Detail

getValue

public JObject getValue(JObject jobj)

Description copied from class: JField

Get the Java value of this field in the given Java model object. Does not alter the schema version of the object.

Overrides:

getValue in class JSimpleField

Parameters:

jobj - object containing this field

Returns:

this field's value in jobj

visit

public <R> R visit(JFieldSwitch<R> target)

Description copied from class: JField

Apply visitor pattern.

Overrides:

visit in class JSimpleField

Type Parameters:

R - visit return type

Parameters:

target - target to invoke

Returns:

value from the method of target corresponding to this instance's type

getConverter

public Converter<ObjId,JObject> getConverter(JTransaction jtx)

Description copied from class: JSimpleField

Get a Converter that converts this field values between core API type and Java model type. Only Enum and reference types require conversion; for all other types, this returns an identity converter.

Overrides:

getConverter in class JSimpleField

Parameters:

jtx - transaction

Returns:

Converter from core API field type to Java model field type

getOnDelete

public DeleteAction getOnDelete()

Get the DeleteAction configured for this field.

Returns:

this field's DeleteAction

isCascadeDelete

public boolean isCascadeDelete()

Determine whether the referred-to object should be deleted when an object containing this field is deleted.

Returns:

this field's delete cascade setting