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/*
* Copyright 2000-2014 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.ui.renderers;
import com.vaadin.server.ClientConnector;
import com.vaadin.server.Extension;
import elemental.json.JsonValue;
/**
* A ClientConnector for controlling client-side
* {@link com.vaadin.client.widget.grid.Renderer Grid renderers}. Renderers
* currently extend the Extension interface, but this fact should be regarded as
* an implementation detail and subject to change in a future major or minor
* Vaadin revision.
*
* @param <T>
* the type this renderer knows how to present
*
* @since 7.4
* @author Vaadin Ltd
*/
public interface Renderer<T> extends Extension {
/**
* Returns the class literal corresponding to the presentation type T.
*
* @return the class literal of T
*/
Class<T> getPresentationType();
/**
* Encodes the given value into a {@link JsonValue}.
*
* @param value
* the value to encode
* @return a JSON representation of the given value
*/
JsonValue encode(T value);
/**
* This method is inherited from Extension but should never be called
* directly with a Renderer.
*/
@Override
@Deprecated
void remove();
/**
* This method is inherited from Extension but should never be called
* directly with a Renderer.
*/
@Override
@Deprecated
void setParent(ClientConnector parent);
}
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