Package pt.unl.fct.di.novasys.babel.protocols.storage.notifications

Class JSONDataNotification

java.lang.Object

pt.unl.fct.di.novasys.babel.generic.ProtoNotification

pt.unl.fct.di.novasys.babel.protocols.storage.notifications.common.CommonNotification

pt.unl.fct.di.novasys.babel.protocols.storage.notifications.common.CommonDataNotification

pt.unl.fct.di.novasys.babel.protocols.storage.notifications.JSONDataNotification

public class JSONDataNotification
extends CommonDataNotification

A notification of new data parsed as a JSON string. The object is passed as an argument on the construct and is therefore parsed into a JSON string by the GSON package to passed the result unto the upper layers. Additionaly, the information about the original object type is stored as a field to help unparse the value if needed.

Field Summary

Fields

Modifier and Type	Field	Description
static final com.google.gson.Gson	gson
static final short	NOTIFICATION_ID
static final short	REPLY_ID

Constructor Summary

Constructors

Constructor	Description
JSONDataNotification(CommonOperationType type, String keySpaceID, String collectionID, String objectID, Object value)	Constructs a JSONDataNotification with the given notification data type (READ, UPDATE, etc.), the keySpace identifier, the collection identifier and the collection identifier.
JSONDataNotification(CommonOperationType type, String keySpaceID, String collectionID, String objectID, Object value, String message)	Constructs a JSONDataNotification with the given notification data type (READ, UPDATE, etc.), the keySpace identifier, the collection identifier and the collection identifier.

Method Summary

Modifier and Type	Method	Description
String	getResult()	Gets the result of the operation as a JSON string.
Class<? extends Object>	getResultType()	Gets the class type associated with the result.

Methods inherited from class pt.unl.fct.di.novasys.babel.protocols.storage.notifications.common.CommonDataNotification

getCollectionID, getKeySpaceID, getObjectID, getType

Methods inherited from class pt.unl.fct.di.novasys.babel.protocols.storage.notifications.common.CommonNotification

getMessage

Methods inherited from class pt.unl.fct.di.novasys.babel.generic.ProtoNotification

getId

Methods inherited from class java.lang.Object

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

Field Details

NOTIFICATION_ID

public static final short NOTIFICATION_ID

See Also:

• Constant Field Values

REPLY_ID

public static final short REPLY_ID

See Also:

• Constant Field Values

gson

public static final com.google.gson.Gson gson

Constructor Details

JSONDataNotification

public JSONDataNotification(CommonOperationType type,
 String keySpaceID,
 String collectionID,
 String objectID,
 Object value)

Constructs a JSONDataNotification with the given notification data type (READ, UPDATE, etc.), the keySpace identifier, the collection identifier and the collection identifier. The data is also passed as an argument and converted into a JSON string by the GSON package.

Parameters:

type - the data notification type

keySpaceID - the keySpace identifier

collectionID - the collection identifier

objectID - the object identifier

value - data to be converted into JSON

JSONDataNotification

public JSONDataNotification(CommonOperationType type,
 String keySpaceID,
 String collectionID,
 String objectID,
 Object value,
 String message)

Constructs a JSONDataNotification with the given notification data type (READ, UPDATE, etc.), the keySpace identifier, the collection identifier and the collection identifier. The data is also passed as an argument and converted into a JSON string by the GSON package. Additionally, a message is passed as an argument describing the contents of the notification.

Parameters:

type - the data notification type

keySpaceID - the keySpace identifier

collectionID - the collection identifier

objectID - the object identifier

value - data to be converted into JSON

message - a message describing the contents of the notification

Method Details

getResult

public String getResult()

Gets the result of the operation as a JSON string.

Returns:

the result of the operation.

getResultType

public Class<? extends Object> getResultType()

Gets the class type associated with the result. This can aid in parsing the result back to a readable object.

Returns:

the class type associated with the result.