PorterStemmerComponent.cs

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// TraceLab - Software Traceability Instrument to Facilitate and Empower Traceability Research
// Copyright © 2012-2013 CoEST - National Science Foundation MRI-R2 Grant # CNS: 0959924
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

using TraceLab.Components.DevelopmentKit.Preprocessors.Stemmers.Porter;
using TraceLabSDK;
using TraceLabSDK.Types;

namespace TraceLab.Components.Library.Preprocessors.Stemmers
{
    [Component(Name = "English Porter Stemmer",
        Description = "Stems the words to their roots using the Porter stemming algorithm.",
        Author = "SAREC",
        Version = "1.0.0.0",
        ConfigurationType = null)]
    [IOSpec(IOSpecType.Input, "listOfArtifacts", typeof(TraceLabSDK.Types.TLArtifactsCollection))]
    [IOSpec(IOSpecType.Output, "listOfArtifacts", typeof(TraceLabSDK.Types.TLArtifactsCollection))]
    [Tag("Preprocessors.Stemmers")]
    public class PorterStemmerComponent : BaseComponent
    {
        public PorterStemmerComponent(ComponentLogger log) : base(log) { }

        public override void Compute()
        {
            TLArtifactsCollection listOfArtifacts = (TLArtifactsCollection)Workspace.Load("listOfArtifacts");
            TLArtifactsCollection stemmed = PorterStemmerUtils.ProcessArtifacts(listOfArtifacts);
            Workspace.Store("listOfArtifacts", stemmed);
        }
    }
}