/// <summary>
/// 获取要素类对象
/// </summary>
/// <param name="dto">参数模型</param>
/// <returns></returns>
public virtual TFeatureClass GetFeatureClass(InputFeatureClassDTO dto)
{
TWorkspace workspace;
if (EnumDataSourceType.ENTERPRISE_GEODATABASE == EnumUtil.GetEnumObjByName <EnumDataSourceType>(dto.Source.Type))
{
// 企业级数据库连接
OracleConn conn = JsonConvert.DeserializeObject <OracleConn>(dto.Source.Connection);
workspace = this.OpenWorkspace(conn);
}
else
{
LocalConn conn = JsonConvert.DeserializeObject <LocalConn>(dto.Source.Connection);
conn.Type = EnumUtil.GetEnumObjByName <EnumDataSourceType>(dto.Source.Type);
workspace = this.OpenWorkspace(conn);
}
if (null == workspace)
{
throw new BusinessException((int)EnumSystemStatusCode.DME_ERROR, "获取源要素类工作空间失败");
}
TFeatureClass featureClass = this.GetFeatureClass(workspace, dto.Name);
if (null == featureClass)
{
throw new BusinessException((int)EnumSystemStatusCode.DME_ERROR, "获取源要素类对象失败");
}
return(featureClass);
}
public override IWorkspace Open(LocalConn conn)
{
IWorkspace workspace = null;
switch (conn.Type)
{
case Base.Common.EnumDataSourceType.SHAPEFILE:
workspace = WorkspaceUtil.OpenShapeFileWorkspace(conn.Path);
break;
case Base.Common.EnumDataSourceType.COVERAGE:
workspace = WorkspaceUtil.OpenCoverageWorkspace(conn.Path);
break;
case Base.Common.EnumDataSourceType.PERSONAL_GEODATABASE:
workspace = WorkspaceUtil.OpenMdbWorspace(conn.Path);
break;
case Base.Common.EnumDataSourceType.FILE_GEODATABASE:
workspace = WorkspaceUtil.OpenFileGdbWorkspace(conn.Path);
break;
case Base.Common.EnumDataSourceType.TIN:
workspace = WorkspaceUtil.OpenTinWorkspace(conn.Path);
break;
case Base.Common.EnumDataSourceType.CAD:
workspace = WorkspaceUtil.OpenCadWorkspace(conn.Path);
break;
default:
throw new Exception($"不支持当前本地文件格式[{conn.Path}]");
}
return(workspace);
}
/// <summary>
/// 打开本地文件工作空间
/// </summary>
/// <param name="conn"></param>
/// <returns></returns>
public virtual TWorkspace OpenWorkspace(LocalConn conn)
{
string md5Hash = MD5HashUtil.GetMD5Hash(JsonConvert.SerializeObject(conn));
if (TWorkspaceDic.ContainsKey(md5Hash))
{
return(TWorkspaceDic[md5Hash]);
}
TWorkspace workspace = this._dmeWorkspace.Open(conn);
TWorkspaceDic[md5Hash] = workspace;
return(workspace);
}
/// <summary> /// 打开本地文件的工作空间，可以是本地mdb、gdb等等 /// </summary> /// <param name="conn"></param> /// <returns></returns> public abstract TWorkspace Open(LocalConn conn);
