/*
* Copyright 2010 Google Inc.
*
* 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.
*/
package com.google.gwt.cell.client;
/**
* An interface for extracting a value of type C from an underlying data value
* of type T, provide a {@link Cell} to render that value, and provide a
* {@link FieldUpdater} to perform notification of updates to the cell.
*
* @param <T> the underlying data type
* @param <C> the cell data type
*/
public interface HasCell<T, C> {
/**
* Returns the {@link Cell} of type C.
*
* @return a Cell
*/
Cell<C> getCell();
/**
* Returns the {@link FieldUpdater} instance.
*
* @return an instance of FieldUpdater<T, C>
*/
FieldUpdater<T, C> getFieldUpdater();
/**
* Returns the value of type C extracted from the record of type T.
*
* @param object a record of type T
* @return a value of type C suitable for passing to the cell
*/
C getValue(T object);
}