43 lines
1.4 KiB
C#
43 lines
1.4 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using LeanCloud.Storage.Internal.Codec;
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namespace LeanCloud.Storage.Internal.Operation {
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internal class LCRemoveRelationOperation : ILCOperation {
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List<LCObject> valueList;
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internal LCRemoveRelationOperation(LCObject obj) {
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valueList = new List<LCObject> { obj };
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}
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public ILCOperation MergeWithPrevious(ILCOperation previousOp) {
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if (previousOp is LCSetOperation || previousOp is LCDeleteOperation) {
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return previousOp;
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}
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if (previousOp is LCRemoveRelationOperation removeRelationOp) {
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valueList.AddRange(removeRelationOp.valueList);
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return this;
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}
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throw new ArgumentException("Operation is invalid after previous operation.");
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}
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public object Encode() {
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return new Dictionary<string, object> {
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{ "__op", "RemoveRelation" },
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{ "objects", LCEncoder.Encode(valueList) }
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};
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}
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public object Apply(object oldValue, string key) {
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LCRelation<LCObject> relation = new LCRelation<LCObject>();
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relation.TargetClass = valueList[0].ClassName;
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return relation;
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}
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public IEnumerable GetNewObjectList() {
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return null;
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}
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}
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}
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