DbParameter.cs :  » Inversion-of-Control-Dependency-Injection » Spring.net » Spring » Data » Common » C# / CSharp Open Source

#region License

/*
 * Copyright  2002-2005 the original author or authors.
 * 
 * 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.
 */

#endregion

#region Imports

using System;
using System.Data;

#endregion

namespace Spring.Data.Common{
  /// <summary>
    /// A parameter class used by <see cref="DbParametersBuilder"/>
  /// </summary>
  /// <author>Mark Pollack (.NET)</author>
  public class DbParameter : Spring.Data.Common.IDbParameter
  {
    #region Fields
        private Enum dbType;      
      private ParameterDirection direction;
        private bool isNullable;
        private string name;
      private string sourceColumn;
      private DataRowVersion sourceVersion;
        private object val;
      private byte precision;
      private byte scale;
      private int size;
    #endregion

    #region Constructor (s)
    /// <summary>
    /// Initializes a new instance of the <see cref="DbParameter"/> class.
        /// </summary>
        /// <remarks>
        /// Sets the SourceVersion to be Default and the ParameterDirection to be Input.
        /// </remarks>
    public DbParameter()
    {
            sourceVersion = DataRowVersion.Default;
            direction = ParameterDirection.Input;        
    }

    #endregion

        #region IDbParameter Members

        public Enum DbType
        {
            set
            {
                dbType = value;
            }
        }

        #endregion

      public IDbParameter Type(Enum dbType)
      {
          this.dbType = dbType;
          return this;
      }

      public IDbParameter Type(Enum dbType, int size)
      {
          this.dbType = dbType;
          this.size = size;
          return this;
      }

      public Enum GetDbType()
      {
          return dbType;
      }

      public IDbParameter Direction(ParameterDirection direction)
      {
          this.direction = direction;
          return this;
      }

      public ParameterDirection GetDirection()
      {
          return direction;
      }

      public IDbParameter IsNullable(bool isNullable)
      {
          this.isNullable = isNullable;
          return this;
      }

      public bool GetIsNullable()
      {
          return isNullable;
      }

      public IDbParameter Name(string name)
      {
          this.name = name;
          return this;
      }

      public string GetName()
      {
          return name;
      }

      public IDbParameter SourceColumn(string sourceColumn)
      {
          this.sourceColumn = sourceColumn;
          return this;
      }

      public string GetSourceColumn()
      {
          return sourceColumn;
      }

      public IDbParameter SourceVersion(DataRowVersion sourceVersion)
      {
          this.sourceVersion = sourceVersion;
          return this;
      }

      public DataRowVersion GetSourceVersion()
      {
          return sourceVersion;
      }

      public IDbParameter Value(object val)
      {
          this.val = val;
          return this;
      }

      public object GetValue()
      {
         return val;
      }

      public IDbParameter Precision(byte precision)
      {
          this.precision = precision;
          return this;
      }

      public byte GetPrecision()
      {
          return precision;         
      }

      public IDbParameter Scale(byte scale)
      {
          this.scale = scale;
          return this;
      }

      public byte GetScale()
      {
          return scale;
      }

      public IDbParameter Size(int size)
      {
          this.size = size;
          return this;
      }

      public int GetSize()
      {
          return size;
      }
  }
}