| // $Id$ |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 Org.Apache.Etch.Bindings.Csharp.Msg |
| { |
| /// <summary> |
| /// class used to implement ValueFactory based import / export code |
| /// for service defined types. |
| /// </summary> |
| public class ImportExportHelper |
| { |
| protected ImportExportHelper() |
| { |
| ev = delegate(ValueFactory vf, Object value) |
| { |
| throw new NotImplementedException("must override ExportValue method"); |
| }; |
| iv = delegate(StructValue sv) |
| { |
| throw new NotImplementedException("must override ImportValue method"); |
| }; |
| } |
| |
| public ImportExportHelper( ExportValueDelegate ev, ImportValueDelegate iv ) |
| { |
| if (ev == null) |
| throw new ArgumentNullException("ev == null"); |
| |
| if (iv == null) |
| throw new ArgumentNullException("iv == null"); |
| |
| this.ev = ev; |
| this.iv = iv; |
| } |
| |
| private readonly ExportValueDelegate ev; |
| |
| private readonly ImportValueDelegate iv; |
| |
| /// <summary> |
| /// Exports a value by creating an equivalent StructValue. |
| /// </summary> |
| /// <param name="vf">the value factory used to export.</param> |
| /// <param name="value">a service defined type to export.</param> |
| /// <returns>a StructValue representing the exported value.</returns> |
| public virtual StructValue ExportValue( ValueFactory vf, Object value ) |
| { |
| return ev( vf, value ); |
| } |
| |
| /// <summary> |
| /// Imports a value from an equivalent StructValue. |
| /// </summary> |
| /// <param name="sv">a StructValue representing the exported value.</param> |
| /// <returns>a service defined type.</returns> |
| public virtual Object ImportValue( StructValue sv ) |
| { |
| return iv( sv ); |
| } |
| |
| /// <summary> |
| /// Exports a value by creating an equivalent StructValue. |
| /// </summary> |
| /// <param name="vf">the value factory to use for export.</param> |
| /// <param name="value">a service defined type to export.</param> |
| /// <returns>a StructValue representing the exported value.</returns> |
| public delegate StructValue ExportValueDelegate(ValueFactory vf, Object value); |
| |
| /// <summary> |
| /// Imports a value from an equivalent StructValue. |
| /// </summary> |
| /// <param name="sv">a StructValue representing the exported value.</param> |
| /// <returns>a service defined type.</returns> |
| public delegate Object ImportValueDelegate( StructValue sv ); |
| } |
| } |