com.lightstreamer.javameclient.midp

Interface ExtendedItemUpdate

All Superinterfaces:

SimpleItemUpdate

public interface ExtendedItemUpdate
extends SimpleItemUpdate

Carries any update pertaining to an item. Changed and unchanged values are distinguished.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getFieldNewValue(java.lang.String field) Inquiry method that gets the new value for a specified field, as received from the Server with the current update or ExtendedTableListener.UNCHANGED if the field is not changed.
boolean	isFieldChanged(java.lang.String field) Inquiry method to know whether the value for a field is changed after the reception of an update from the Server for an item.
boolean	isReusable() Asks whether or not the object may be reused by LSClient.

Methods inherited from interface com.lightstreamer.javameclient.midp.SimpleItemUpdate

getFieldNewValue, getNumFields, isFieldChanged

Method Detail

isReusable

boolean isReusable()

Asks whether or not the object may be reused by LSClient. If the object may be reused, it should not be stored by the application; otherwise, it can be freely stored by the application.
The LSClient instance may reuse the object only if allowed through LSClient.useReusableItemUpdates(boolean)

Specified by:

isReusable in interface SimpleItemUpdate

Returns:

true if the object may be reused by LSClient; false otherwise.

getFieldNewValue

java.lang.String getFieldNewValue(java.lang.String field)

Inquiry method that gets the new value for a specified field, as received from the Server with the current update or ExtendedTableListener.UNCHANGED if the field is not changed.

Parameters:

field - The name of the field.

Returns:

ExtendedTableListener.UNCHANGED if the value is unchanged; the received value otherwise.

isFieldChanged

boolean isFieldChanged(java.lang.String field)

Inquiry method to know whether the value for a field is changed after the reception of an update from the Server for an item.

Parameters:

field - The name of the field.

Returns:

true if the value is changed; false otherwise.