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CSHARP-476: Added support for calling constructors, factory methods o…
…r arbitrary code to instantiate an object during deserialization.
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rstam
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Jan 16, 2013
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67 changes: 67 additions & 0 deletions
67
MongoDB.Bson/Serialization/Attributes/BsonConstructorAttribute.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* Copyright 2010-2013 10gen Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| using System; | ||
|
|
||
| namespace MongoDB.Bson.Serialization.Attributes | ||
| { | ||
| /// <summary> | ||
| /// Specifies that this constructor should be used for creator-based deserialization. | ||
| /// </summary> | ||
| [AttributeUsage(AttributeTargets.Constructor)] | ||
| public class BsonConstructorAttribute : Attribute, IBsonCreatorMapAttribute | ||
| { | ||
| // private fields | ||
| private string[] _argumentNames; | ||
|
|
||
| // constructors | ||
| /// <summary> | ||
| /// Initializes a new instance of the BsonConstructorAttribute class. | ||
| /// </summary> | ||
| public BsonConstructorAttribute() | ||
| { } | ||
|
|
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| /// <summary> | ||
| /// Initializes a new instance of the BsonConstructorAttribute class. | ||
| /// </summary> | ||
| /// <param name="argumentNames">The names of the members that the creator argument values come from.</param> | ||
| public BsonConstructorAttribute(params string[] argumentNames) | ||
| { | ||
| _argumentNames = argumentNames; | ||
| } | ||
|
|
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| // public properties | ||
| /// <summary> | ||
| /// Gets the names of the members that the creator arguments values come from. | ||
| /// </summary> | ||
| public string[] ArgumentNames | ||
| { | ||
| get { return _argumentNames; } | ||
| } | ||
|
|
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| // public methods | ||
| /// <summary> | ||
| /// Applies a modification to the creator map. | ||
| /// </summary> | ||
| /// <param name="creatorMap">The creator map.</param> | ||
| public void Apply(BsonCreatorMap creatorMap) | ||
| { | ||
| if (_argumentNames != null) | ||
| { | ||
| creatorMap.SetArguments(_argumentNames); | ||
| } | ||
| } | ||
| } | ||
| } |
67 changes: 67 additions & 0 deletions
67
MongoDB.Bson/Serialization/Attributes/BsonFactoryMethodAttribute.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* Copyright 2010-2013 10gen Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| using System; | ||
|
|
||
| namespace MongoDB.Bson.Serialization.Attributes | ||
| { | ||
| /// <summary> | ||
| /// Specifies that this factory method should be used for creator-based deserialization. | ||
| /// </summary> | ||
| [AttributeUsage(AttributeTargets.Method)] | ||
| public class BsonFactoryMethodAttribute : Attribute, IBsonCreatorMapAttribute | ||
| { | ||
| // private fields | ||
| private string[] _argumentNames; | ||
|
|
||
| // constructors | ||
| /// <summary> | ||
| /// Initializes a new instance of the BsonFactoryMethodAttribute class. | ||
| /// </summary> | ||
| public BsonFactoryMethodAttribute() | ||
| { } | ||
|
|
||
| /// <summary> | ||
| /// Initializes a new instance of the BsonFactoryMethodAttribute class. | ||
| /// </summary> | ||
| /// <param name="argumentNames">The names of the members that the creator argument values come from.</param> | ||
| public BsonFactoryMethodAttribute(params string[] argumentNames) | ||
| { | ||
| _argumentNames = argumentNames; | ||
| } | ||
|
|
||
| // public properties | ||
| /// <summary> | ||
| /// Gets the names of the members that the creator arguments values come from. | ||
| /// </summary> | ||
| public string[] ArgumentNames | ||
| { | ||
| get { return _argumentNames; } | ||
| } | ||
|
|
||
| // public methods | ||
| /// <summary> | ||
| /// Applies a modification to the creator map. | ||
| /// </summary> | ||
| /// <param name="creatorMap">The creator map.</param> | ||
| public void Apply(BsonCreatorMap creatorMap) | ||
| { | ||
| if (_argumentNames != null) | ||
| { | ||
| creatorMap.SetArguments(_argumentNames); | ||
| } | ||
| } | ||
| } | ||
| } |
29 changes: 29 additions & 0 deletions
29
MongoDB.Bson/Serialization/Attributes/IBsonCreatorMapAttribute.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| /* Copyright 2010-2013 10gen Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| namespace MongoDB.Bson.Serialization | ||
| { | ||
| /// <summary> | ||
| /// Represents an attribute used to modify a creator map. | ||
| /// </summary> | ||
| public interface IBsonCreatorMapAttribute | ||
| { | ||
| /// <summary> | ||
| /// Applies the attribute to the creator map. | ||
| /// </summary> | ||
| /// <param name="creatorMap">The creator map.</param> | ||
| void Apply(BsonCreatorMap creatorMap); | ||
| } | ||
| } |
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