com.parse4cn1.operation

Interface ParseOperation

All Known Implementing Classes:

AddToArrayOperation, AddUniqueToArrayOperation, DeleteFieldOperation, IncrementFieldOperation, RelationOperation, RemoveFromArrayOperation, SetFieldOperation

public interface ParseOperation

A parse operation is an operation that can be performed on a parse object to change its state, e.g., add, delete or modify fields, or create relations with other objects.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	apply(java.lang.Object oldValue, ParseObject parseObject, java.lang.String key) Applies the operation to the specified object.
java.lang.Object	encode(IParseObjectEncodingStrategy objectEncoder) Encodes this parse operation in a form that is understood by the Parse REST API.

Method Detail

apply

java.lang.Object apply(java.lang.Object oldValue,
                       ParseObject parseObject,
                       java.lang.String key)
                throws ParseException

Applies the operation to the specified object.

Parameters:

oldValue - The old value of the field referenced by key.

parseObject - The parse object on which the operation is to be applied.

key - The field on which the operation is to be applied.

Returns:

The new value of key or null if the value is to be removed.

Throws:

ParseException

encode

java.lang.Object encode(IParseObjectEncodingStrategy objectEncoder)
                 throws ParseException

Encodes this parse operation in a form that is understood by the Parse REST API.

Parameters:

objectEncoder - The encoder to be used for encoding.

Returns:

The encoded parse operation

Throws:

ParseException