/*
* Copyright (c) 2007-2010 Concurrent, Inc. All Rights Reserved.
*
* Project and contact information: http://www.cascading.org/
*
* This file is part of the Cascading project.
*
* Cascading 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.
*
* Cascading 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 Cascading. If not, see <http://www.gnu.org/licenses/>.
*/
package cascading.operation;
import cascading.tuple.Fields;
/**
*
*/
public interface OperationCall<C>
{
/**
* Returns the user set context object, C.
*
* @return user defined object
*/
C getContext();
/**
* Sets the user defined 'context' object.
*
* @param context user defined object
*/
void setContext( C context );
/**
* Returns the {@link Fields} of the expected arguments {@link cascading.tuple.TupleEntry}.
*
* @return the argumentFields (type Fields) of this OperationCall object.
*/
Fields getArgumentFields();
}