| | | 1 | | namespace Microsoft.Azure.Batch.Protocol |
| | | 2 | | { |
| | | 3 | | using System; |
| | | 4 | | using System.Collections.Generic; |
| | | 5 | | using System.Reflection; |
| | | 6 | | |
| | | 7 | | /// <summary> |
| | | 8 | | /// Represents a method that intercepts a request to the Batch service in order |
| | | 9 | | /// to modify the parameters. |
| | | 10 | | /// </summary> |
| | | 11 | | /// <param name="request">The parameters of the request being intercepted.</param> |
| | | 12 | | public delegate void BatchRequestModificationInterceptHandler(Protocol.IBatchRequest request); |
| | | 13 | | |
| | | 14 | | /// <summary> |
| | | 15 | | /// Represents a method that intercepts a request to the Batch service in order |
| | | 16 | | /// to replace the parameters and/or operation context. |
| | | 17 | | /// </summary> |
| | | 18 | | /// <param name="request">The parameters of the request being intercepted.</param> |
| | | 19 | | public delegate void BatchRequestReplacementInterceptHandler(ref Protocol.IBatchRequest request); |
| | | 20 | | |
| | | 21 | | /// <summary> |
| | | 22 | | /// Derived classes can inspect, replace or modify a BatchRequest. |
| | | 23 | | /// </summary> |
| | | 24 | | public class RequestReplacementInterceptor : BatchClientBehavior |
| | | 25 | | { |
| | | 26 | | /// <summary> |
| | | 27 | | /// Initializes a new instance of RequestReplacementInterceptor. |
| | | 28 | | /// </summary> |
| | 1058 | 29 | | public RequestReplacementInterceptor() |
| | | 30 | | { |
| | 1058 | 31 | | this.ReplacementInterceptHandler = RequestReplacementInterceptor.NOOP; // benign noop. |
| | 1058 | 32 | | } |
| | | 33 | | |
| | | 34 | | /// <summary> |
| | | 35 | | /// Initializes a new instance of RequestReplacementInterceptor |
| | | 36 | | /// </summary> |
| | | 37 | | /// <param name="replacementInterceptor"></param> |
| | 0 | 38 | | public RequestReplacementInterceptor(BatchRequestReplacementInterceptHandler replacementInterceptor) |
| | | 39 | | { |
| | 0 | 40 | | this.ReplacementInterceptHandler = replacementInterceptor; |
| | 0 | 41 | | } |
| | | 42 | | |
| | | 43 | | /// <summary> |
| | | 44 | | /// Does nothing. |
| | | 45 | | /// </summary> |
| | | 46 | | private static void NOOP(ref Protocol.IBatchRequest request) |
| | | 47 | | { |
| | 0 | 48 | | } |
| | | 49 | | |
| | | 50 | | /// <summary> |
| | | 51 | | /// Gets or sets a method that will be called just before a <see cref="IBatchRequest"/> is executed. |
| | | 52 | | /// The request can be inspected, replaced, modified or ignored. |
| | | 53 | | /// </summary> |
| | | 54 | | public BatchRequestReplacementInterceptHandler ReplacementInterceptHandler |
| | | 55 | | { |
| | 266 | 56 | | get; |
| | 2801 | 57 | | set; |
| | | 58 | | } |
| | | 59 | | } |
| | | 60 | | |
| | | 61 | | /// <summary> |
| | | 62 | | /// This class enables an interceptor to inspect, modify or ignore a <see cref="IBatchRequest"/>. |
| | | 63 | | /// </summary> |
| | | 64 | | public class RequestInterceptor : RequestReplacementInterceptor |
| | | 65 | | { |
| | | 66 | | private BatchRequestModificationInterceptHandler _modInterceptor; |
| | | 67 | | |
| | | 68 | | /// <summary> |
| | | 69 | | /// Initializes a new instance of RequestInterceptor. |
| | | 70 | | /// </summary> |
| | | 71 | | public RequestInterceptor() |
| | | 72 | | { |
| | | 73 | | this.ModificationInterceptHandler = RequestInterceptor.NOOP; // benign default |
| | | 74 | | } |
| | | 75 | | |
| | | 76 | | /// <summary> |
| | | 77 | | /// Initializes a new instance of RequestInterceptor that calls a given BatchRequestModificationInterceptHandler |
| | | 78 | | /// </summary> |
| | | 79 | | /// <param name="interceptor">A delegate that will be allowed to inspect, modify or ignore a BatchRequest.</para |
| | | 80 | | public RequestInterceptor(BatchRequestModificationInterceptHandler interceptor) |
| | | 81 | | { |
| | | 82 | | this.ModificationInterceptHandler = interceptor; |
| | | 83 | | } |
| | | 84 | | |
| | | 85 | | /// <summary> |
| | | 86 | | /// Gets or sets the BatchRequestModificationInterceptHandler. |
| | | 87 | | /// </summary> |
| | | 88 | | public BatchRequestModificationInterceptHandler ModificationInterceptHandler |
| | | 89 | | { |
| | | 90 | | get |
| | | 91 | | { |
| | | 92 | | return _modInterceptor; |
| | | 93 | | } |
| | | 94 | | set |
| | | 95 | | { |
| | | 96 | | _modInterceptor = value; |
| | | 97 | | base.ReplacementInterceptHandler = this.ReplacementInterceptHandler; |
| | | 98 | | } |
| | | 99 | | } |
| | | 100 | | |
| | | 101 | | /// <summary> |
| | | 102 | | /// An interceptor that does nothing. |
| | | 103 | | /// </summary> |
| | | 104 | | /// <param name="request"></param> |
| | | 105 | | /// <returns></returns> |
| | | 106 | | private static void NOOP(object request) |
| | | 107 | | { |
| | | 108 | | } |
| | | 109 | | |
| | | 110 | | /// <summary> |
| | | 111 | | /// A replacment interceptor that calls our modification interceptor. |
| | | 112 | | /// </summary> |
| | | 113 | | private new void ReplacementInterceptHandler(ref Protocol.IBatchRequest request) |
| | | 114 | | { |
| | | 115 | | _modInterceptor(request); |
| | | 116 | | } |
| | | 117 | | } |
| | | 118 | | } |