oracle.cabo.data.jbo.servlet.event
Class BaseEventHandler

java.lang.Object
  |
  +--oracle.cabo.data.jbo.servlet.event.BaseEventHandler

All Implemented Interfaces:

EventHandler, JboConstants, JboServletConstants

Direct Known Subclasses:

ApplyParameterEventHandler, ChainingEventHandler, CommitEventHandler, ExecuteQueryEventHandler, FindByExampleEventHandler, FirstEventHandler, GotoEventHandler, InsertRowEventHandler, LastEventHandler, NextEventHandler, PreviousEventHandler, RemoveRowEventHandler, RollbackEventHandler, SetPagePropertyEventHandler, SortEventHandler

public abstract class BaseEventHandler

extends java.lang.Object

implements EventHandler, JboServletConstants

Base BC4J event handler.

Fields inherited from interface oracle.cabo.data.jbo.servlet.JboServletConstants

APPLY_PARAMETER_NAME, CHAINING_NAME, COMMIT_NAME, CREATE_ROW_NAME, EXAMPLE_ATTRIBUTE_NAME, EXAMPLE_ROW_NAME, EXECUTE_QUERY_NAME, FIND_APP_MODULE_NAME, FIND_ATTR_DEF_NAME, FIND_ATTRIBUTE_NAME, FIND_BY_EXAMPLE_NAME, FIND_ROOT_APP_MODULE_NAME, FIND_ROW_BY_KEY_NAME, FIND_ROW_NAME, FIND_ROW_SET_ITERATOR_NAME, FIND_ROW_SET_NAME, FIND_VIEW_OBJECT_NAME, FIRST_NAME, GOTO_NAME, INSERT_ROW_NAME, LAST_NAME, NEXT_NAME, ORD_FILE_UPLOAD_MAP, PAGE_EVENT_PROPERTY, PAGE_PROPERTY, PARAMETER_KEY_NAME, PARAMETER_NAME, PREVIOUS_NAME, PROPERTY_KEY_NAME, REMOVE_ROW_NAME, ROLLBACK_NAME, SELECTION_KEY_NAME, SET_ATTRIBUTE_NAME, SET_PAGE_PROPERTY_NAME, SET_REGION_NAME, SORT_NAME, STRING_KEY_NAME

Fields inherited from interface oracle.cabo.data.jbo.JboConstants

ACQUIRE_LOCK_ATTRIBUTE, APP_MODULE_DEF_NAME, APP_MODULE_DEF_PROPERTY, APP_MODULE_PROPERTY, ATTR_DEF_PROPERTY, ATTR_LIST_PROPERTY, AUTO_CREATE_ATTRIBUTE, BC4J_NAMESPACE, CONFIG_NAME_ATTRIBUTE, DEF_FULL_NAME_ATTRIBUTE, FORWARD_ONLY_ATTRIBUTE, NAME_ATTRIBUTE, NESTED_ATTR_DEFS_PROPERTY, RANGE_SIZE_ATTRIBUTE, REGISTRY_DEF_NAME, REGISTRY_DEF_PROPERTY, REGISTRY_PROPERTY, RELEASE_MODE_ATTRIBUTE, RELEASE_MODE_RESERVED, RELEASE_MODE_STATEFUL, RELEASE_MODE_STATELESS, ROOT_APP_MODULE_DEF_NAME, ROOT_APP_MODULE_DEF_PROPERTY, ROW_DEF_NAME, ROW_PROPERTY, ROW_SET_DEF_NAME, ROW_SET_DEF_PROPERTY, ROW_SET_ITERATOR_DEF_NAME, ROW_SET_ITERATOR_DEF_PROPERTY, ROW_SET_ITERATOR_PROPERTY, ROW_SET_PROPERTY, STRUCT_DEF_PROPERTY, TRANSACTION_PROPERTY, USES_CURRENCY_ATTRIBUTE, VIEW_OBJECT_DEF_NAME, VIEW_OBJECT_DEF_PROPERTY, VIEW_OBJECT_PROPERTY, WAIT_TIMEOUT_ATTRIBUTE

Constructor Summary

BaseEventHandler()
Creates a new base BC4J event handler.

Method Summary

protected void	addValidationAttribute(BajaContext context, oracle.jbo.Row row, java.lang.String attrName, java.lang.String messageKey, java.lang.String invalidText)
protected void	checkRootHandler(BajaContext context)
protected void	consume(BajaContext context, PageEvent event)
protected MessageData	getMessageData(BajaContext context, boolean createIfNull)
protected TableDataProvider	getTableDataProvider(BajaContext context, boolean createIfNull)
protected DictionaryData	getValidationData(BajaContext context, boolean createIfNull)
EventResult	handleEvent(BajaContext context, Page page, PageEvent event) Handles the UIX Controller event.
protected abstract EventResult	handleEventImpl(BajaContext context, Page page, PageEvent event)
protected boolean	hasValidationErrors(BajaContext context)
protected boolean	isConsumed(BajaContext context, PageEvent event)
protected boolean	isRootHandler(BajaContext context)
protected void	posthandle(BajaContext context, Page page, PageEvent event)
protected void	prehandle(BajaContext context, Page page, PageEvent event)
protected void	processValidationError(BajaContext context, oracle.jbo.Row row, java.lang.String attrName, java.lang.String message)

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseEventHandler

public BaseEventHandler()

Creates a new base BC4J event handler.

Method Detail

handleEvent

public final EventResult handleEvent(BajaContext context,
                                     Page page,
                                     PageEvent event)
                              throws java.lang.Throwable

Handles the UIX Controller event.

Specified by:

handleEvent in interface EventHandler

Following copied from interface: oracle.cabo.servlet.event.EventHandler

Parameters:

context - the BajaContext

page - the page the client is requesting

event - the event on that page, or null if the client is just requesting a page display

Returns:

an object encapsulating results of this event

Throws:

java.lang.Throwable - if any processing of the event fails

prehandle

protected void prehandle(BajaContext context,
                         Page page,
                         PageEvent event)
                  throws java.lang.Throwable

posthandle

protected void posthandle(BajaContext context,
                          Page page,
                          PageEvent event)
                   throws java.lang.Throwable

handleEventImpl

protected abstract EventResult handleEventImpl(BajaContext context,
                                               Page page,
                                               PageEvent event)
                                        throws java.lang.Throwable

getMessageData

protected MessageData getMessageData(BajaContext context,
                                     boolean createIfNull)

getValidationData

protected DictionaryData getValidationData(BajaContext context,
                                           boolean createIfNull)

getTableDataProvider

protected TableDataProvider getTableDataProvider(BajaContext context,
                                                 boolean createIfNull)

consume

protected void consume(BajaContext context,
                       PageEvent event)

isConsumed

protected boolean isConsumed(BajaContext context,
                             PageEvent event)

isRootHandler

protected boolean isRootHandler(BajaContext context)

checkRootHandler

protected void checkRootHandler(BajaContext context)

addValidationAttribute

protected void addValidationAttribute(BajaContext context,
                                      oracle.jbo.Row row,
                                      java.lang.String attrName,
                                      java.lang.String messageKey,
                                      java.lang.String invalidText)

hasValidationErrors

protected boolean hasValidationErrors(BajaContext context)

processValidationError

protected void processValidationError(BajaContext context,
                                      oracle.jbo.Row row,
                                      java.lang.String attrName,
                                      java.lang.String message)