123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106 |
- /*
- @VaadinApache2LicenseForJavaFiles@
- */
- package com.vaadin.terminal.gwt.client;
-
- import java.util.Collection;
-
- import com.google.gwt.event.shared.GwtEvent;
- import com.google.gwt.event.shared.HandlerRegistration;
- import com.vaadin.terminal.gwt.client.communication.ClientRpc;
- import com.vaadin.terminal.gwt.client.communication.SharedState;
- import com.vaadin.terminal.gwt.client.communication.StateChangeEvent.StateChangeHandler;
-
- /**
- * Interface implemented by all client side classes that can be communicate with
- * the server. Classes implementing this interface are initialized by the
- * framework when needed and have the ability to communicate with the server.
- *
- * @author Vaadin Ltd
- * @version @VERSION@
- * @since 7.0.0
- */
- public interface ServerConnector extends Connector {
-
- /**
- * Sets a new state for the connector.
- *
- * @param state
- * The new state
- * @deprecated This should be removed. Framework should update what is
- * returned by getState() instead of setting a new state object.
- * Note that this must be done either so that setState accepts a
- * state object once (first time received from the server) or
- * getState() in AbstractConnector uses a generated class to
- * create the state object (like RpcProy.craete())
- */
- @Deprecated
- public void setState(SharedState state);
-
- /**
- * Gets ApplicationConnection instance that created this connector.
- *
- * @return The ApplicationConnection as set by
- * {@link #doInit(String, ApplicationConnection)}
- */
- public ApplicationConnection getConnection();
-
- /**
- * Tests whether the connector is enabled or not. Disabled connectors will
- * ignore all attempts at communications. Received messages will be
- * discarded. This method must check that the connector is enabled in
- * context, that is if it's parent is disabled, this method must return
- * false.
- *
- * @return true if the connector is enabled, false otherwise
- */
- public boolean isEnabled();
-
- /**
- *
- * Called once by the framework to initialize the connector.
- * <p>
- * Note that the shared state is not yet available at this point nor any
- * hierarchy information.
- */
- public void doInit(String connectorId, ApplicationConnection connection);
-
- /**
- * For internal use by the framework: returns the registered RPC
- * implementations for an RPC interface identifier.
- *
- * TODO interface identifier type or format may change
- *
- * @param rpcInterfaceId
- * RPC interface identifier: fully qualified interface type name
- * @return RPC interface implementations registered for an RPC interface,
- * not null
- */
- public <T extends ClientRpc> Collection<T> getRpcImplementations(
- String rpcInterfaceId);
-
- /**
- * Adds a handler that is called whenever some part of the state has been
- * updated by the server.
- *
- * @param handler
- * The handler that should be added.
- * @return A handler registration reference that can be used to unregister
- * the handler
- */
- public HandlerRegistration addStateChangeHandler(StateChangeHandler handler);
-
- /**
- * Sends the given event to all registered handlers.
- *
- * @param event
- * The event to send.
- */
- public void fireEvent(GwtEvent<?> event);
-
- /**
- * Event called when connector has been unregistered.
- */
- public void onUnregister();
-
- }
|