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- /*
- @VaadinApache2LicenseForJavaFiles@
- */
- package com.vaadin.shared;
-
- import java.io.Serializable;
-
- import com.vaadin.shared.communication.SharedState;
- import com.vaadin.terminal.gwt.client.ServerConnector;
- import com.vaadin.terminal.gwt.server.ClientConnector;
-
- /**
- * Interface implemented by all classes that are capable of communicating with
- * the server or the client side.
- * <p>
- * A connector consists of a shared state (server sets the state and
- * automatically communicates changes to the client) and the possibility to do
- * RPC calls either from the server to the client or from the client to the
- * server.
- * </p>
- * <p>
- * No classes should implement this interface directly, client side classes
- * wanting to communicate with server side should implement
- * {@link ServerConnector} and server side classes should implement
- * {@link ClientConnector}.
- * </p>
- *
- * @author Vaadin Ltd
- * @version @VERSION@
- * @since 7.0.0
- */
- public interface Connector extends Serializable {
- /**
- * Gets the current shared state of the connector.
- *
- * @since 7.0.
- * @return state The shared state object. Can be any sub type of
- * {@link SharedState}. Never null.
- */
- public SharedState getState();
-
- /**
- * Returns the id for this connector. This is set by the framework and does
- * not change during the lifetime of a connector.
- *
- * @return The id for the connector.
- */
- public String getConnectorId();
-
- /**
- * Gets the parent connector of this connector, or <code>null</code> if the
- * connector is not attached to any parent.
- *
- * @return the parent connector, or <code>null</code> if there is no parent.
- */
- public Connector getParent();
-
- }
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