org.openlowcode.server.data

Class DataObjectElement<E extends DataObjectElementDefinition<?,F>,F extends DataObject<F>>

java.lang.Object

org.openlowcode.tools.misc.Named

org.openlowcode.server.data.DataObjectElement<E,F>

Type Parameters:

E - class of the data object element

F - data object this element is part of

All Implemented Interfaces:

NamedInterface

Direct Known Subclasses:

DataObjectField, DataObjectProperty

public abstract class DataObjectElement<E extends DataObjectElementDefinition<?,F>,F extends DataObject<F>>
extends Named

A data Object Element is the base component of a data object. It is made of some stored information, and possibly some business logic.

Author:

Open Lowcode SAS

Field Summary

Fields

Modifier and Type	Field and Description
protected E	definition
protected NamedList<Field>	field
protected DataObjectPayload	parentpayload

Constructor Summary

Constructors

Constructor and Description
DataObjectElement(E definition, DataObjectPayload parentpayload)

Method Summary

Modifier and Type	Method and Description
NamedList<DataUpdateTrigger<F>>	getAllTriggersForRefresh() This class needs to be implemented by every field or property that can launch an action (such as a calculated field)
Field	getFieldFromName(java.lang.String name)
int	getFieldNumber() provides the number of fields in this element
Field	getStoredField(int index)
NamedList<DataUpdateTrigger<F>>	getTriggersForThisUpdate() This class needs to be implemented by every field or property that can launch an action (such as a calculated field)
void	initFromDB(Row row, TableAlias alias)
void	postTreatmentAfterInitFromDB() A placeholder to allow data object elements to perform some postprocessing after initialization from database

Methods inherited from class org.openlowcode.tools.misc.Named

changeName, cleanName, equals, getName

Methods inherited from class java.lang.Object

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

Field Detail

field

protected NamedList<Field> field

definition

protected E extends DataObjectElementDefinition<?,F> definition

parentpayload

protected DataObjectPayload parentpayload

Constructor Detail

DataObjectElement

public DataObjectElement(E definition,
                         DataObjectPayload parentpayload)

Parameters:

definition - definition of the element

parentpayload - payload of the object

Method Detail

getTriggersForThisUpdate

public NamedList<DataUpdateTrigger<F>> getTriggersForThisUpdate()

This class needs to be implemented by every field or property that can launch an action (such as a calculated field)

Returns:

the list of triggers to launch after an update action.

getAllTriggersForRefresh

public NamedList<DataUpdateTrigger<F>> getAllTriggersForRefresh()

This class needs to be implemented by every field or property that can launch an action (such as a calculated field)

Returns:

the list of triggers to launch after a refresh action.

getFieldFromName

public Field getFieldFromName(java.lang.String name)

Parameters:

name - name of the field

Returns:

the field if it exists

getFieldNumber

public int getFieldNumber()

provides the number of fields in this element

Returns:

an integer representing the number of fields

getStoredField

public Field getStoredField(int index)

Parameters:

index - an index between 0 (included) and getFieldNumber (excluded)

Returns:

the field if it exist, an exception is out of of range

initFromDB

public void initFromDB(Row row,
                       TableAlias alias)

postTreatmentAfterInitFromDB

public void postTreatmentAfterInitFromDB()

A placeholder to allow data object elements to perform some postprocessing after initialization from database