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- /*
- * Copyright 2000-2021 Vaadin Ltd.
- *
- * 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.vaadin.v7.client.widget.grid.selection;
-
- import com.vaadin.client.data.DataSource.RowHandle;
-
- /**
- * An abstract class that adds a consistent API for common methods that's needed
- * by Vaadin's server-based selection models to work.
- * <p>
- * <em>Note:</em> This should be an interface instead of an abstract class, if
- * only we could define protected methods in an interface.
- *
- * @author Vaadin Ltd
- * @param <T>
- * The grid's row type
- * @since 7.4
- */
- public abstract class AbstractRowHandleSelectionModel<T>
- implements SelectionModel<T> {
- /**
- * Select a row, based on its
- * {@link com.vaadin.client.data.DataSource.RowHandle RowHandle}.
- * <p>
- * <em>Note:</em> this method may not fire selection change events.
- *
- * @param handle
- * the handle to select by
- * @return <code>true</code> if the selection state was changed by this call
- * @throws UnsupportedOperationException
- * if the selection model does not support either handles or
- * selection
- */
- protected abstract boolean selectByHandle(RowHandle<T> handle);
-
- /**
- * Deselect a row, based on its
- * {@link com.vaadin.client.data.DataSource.RowHandle RowHandle}.
- * <p>
- * <em>Note:</em> this method may not fire selection change events.
- *
- * @param handle
- * the handle to deselect by
- * @return <code>true</code> if the selection state was changed by this call
- * @throws UnsupportedOperationException
- * if the selection model does not support either handles or
- * deselection
- */
- protected abstract boolean deselectByHandle(RowHandle<T> handle)
- throws UnsupportedOperationException;
- }
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