| | | 1 | | /* |
| | | 2 | | * Copyright 2018 Stanislav Muhametsin. All rights Reserved. |
| | | 3 | | * |
| | | 4 | | * Licensed under the Apache License, Version 2.0 (the "License"); |
| | | 5 | | * you may not use this file except in compliance with the License. |
| | | 6 | | * You may obtain a copy of the License at |
| | | 7 | | * |
| | | 8 | | * http://www.apache.org/licenses/LICENSE-2.0 |
| | | 9 | | * |
| | | 10 | | * Unless required by applicable law or agreed to in writing, software |
| | | 11 | | * distributed under the License is distributed on an "AS IS" BASIS, |
| | | 12 | | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| | | 13 | | * implied. |
| | | 14 | | * |
| | | 15 | | * See the License for the specific language governing permissions and |
| | | 16 | | * limitations under the License. |
| | | 17 | | */ |
| | | 18 | | using System; |
| | | 19 | | using System.Collections.Generic; |
| | | 20 | | using System.Text; |
| | | 21 | | using System.Threading; |
| | | 22 | | using UtilPack; |
| | | 23 | | |
| | | 24 | | namespace CBAM.NATS.Implementation |
| | | 25 | | { |
| | | 26 | | internal sealed class NATSMessageImpl : NATSMessage |
| | | 27 | | { |
| | | 28 | | private Byte[] _data; |
| | | 29 | | private Int32 _dataLength; |
| | | 30 | | |
| | | 31 | | public NATSMessageImpl( |
| | | 32 | | String subject, |
| | | 33 | | Int64 subID, |
| | | 34 | | String replyTo, |
| | | 35 | | Byte[] data, |
| | | 36 | | Int32 dataLength |
| | | 37 | | ) |
| | | 38 | | { |
| | | 39 | | this.Subject = ArgumentValidator.ValidateNotEmpty( nameof( subject ), subject ); |
| | | 40 | | this.SubscriptionID = subID; |
| | | 41 | | this.ReplyTo = replyTo; |
| | | 42 | | this._data = data ?? Empty<Byte>.Array; |
| | | 43 | | this._dataLength = dataLength; |
| | | 44 | | } |
| | | 45 | | |
| | | 46 | | public String Subject { get; } |
| | | 47 | | |
| | | 48 | | public Int64 SubscriptionID { get; } |
| | | 49 | | |
| | | 50 | | public String ReplyTo { get; } |
| | | 51 | | |
| | | 52 | | public Int32 DataLength => this._data.Length; |
| | | 53 | | |
| | | 54 | | public Int32 CopyDataTo( Byte[] array, Int32 offsetInMessage, Int32 offsetInArray, Int32 count ) |
| | | 55 | | { |
| | | 56 | | if ( offsetInMessage < 0 ) |
| | | 57 | | { |
| | | 58 | | offsetInMessage = 0; |
| | | 59 | | } |
| | | 60 | | else if ( offsetInMessage >= this._dataLength ) |
| | | 61 | | { |
| | | 62 | | offsetInMessage = this._dataLength - 1; |
| | | 63 | | } |
| | | 64 | | |
| | | 65 | | if ( count < 0 || count > this._dataLength - offsetInMessage ) |
| | | 66 | | { |
| | | 67 | | count = this._dataLength - offsetInMessage; |
| | | 68 | | } |
| | | 69 | | |
| | | 70 | | this._data.CopyTo( array, ref offsetInMessage, offsetInArray, count ); |
| | | 71 | | |
| | | 72 | | return count; |
| | | 73 | | } |
| | | 74 | | |
| | | 75 | | public Byte GetSingleByteAt( Int32 offsetInMessage ) |
| | | 76 | | { |
| | | 77 | | if ( offsetInMessage < 0 || offsetInMessage >= this._dataLength ) |
| | | 78 | | { |
| | | 79 | | throw new ArgumentException( nameof( offsetInMessage ) ); |
| | | 80 | | } |
| | | 81 | | return this._data[offsetInMessage]; |
| | | 82 | | } |
| | | 83 | | |
| | | 84 | | internal void SetData( Byte[] data, Int32 dataLength ) |
| | | 85 | | { |
| | | 86 | | Interlocked.Exchange( ref this._data, data ?? Empty<Byte>.Array ); |
| | | 87 | | Interlocked.Exchange( ref this._dataLength, dataLength ); |
| | | 88 | | } |
| | | 89 | | } |
| | | 90 | | |
| | | 91 | | internal sealed class NATSPublishCompletedImpl : NATSPublishCompleted |
| | | 92 | | { |
| | | 93 | | |
| | 0 | 94 | | public static NATSPublishCompleted Instance { get; } = new NATSPublishCompletedImpl(); |
| | | 95 | | |
| | 0 | 96 | | private NATSPublishCompletedImpl() |
| | | 97 | | { |
| | | 98 | | |
| | 0 | 99 | | } |
| | | 100 | | } |
| | | 101 | | } |