Eliminate protocol-framework

[controller.git] / opendaylight / commons / protocol-framework / src / main / java / org / opendaylight / protocol / framework / ReconnectPromise.java

diff --git a/opendaylight/commons/protocol-framework/src/main/java/org/opendaylight/protocol/framework/ReconnectPromise.java b/opendaylight/commons/protocol-framework/src/main/java/org/opendaylight/protocol/framework/ReconnectPromise.java
deleted file mode 100644 (file)
index f9fadb0..0000000
--- a/opendaylight/commons/protocol-framework/src/main/java/org/opendaylight/protocol/framework/ReconnectPromise.java
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.protocol.framework;
-
-import com.google.common.base.Preconditions;
-import io.netty.bootstrap.Bootstrap;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelInboundHandlerAdapter;
-import io.netty.util.concurrent.DefaultPromise;
-import io.netty.util.concurrent.EventExecutor;
-import io.netty.util.concurrent.Future;
-import io.netty.util.concurrent.GenericFutureListener;
-import java.net.InetSocketAddress;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@Deprecated
-final class ReconnectPromise<S extends ProtocolSession<?>, L extends SessionListener<?, ?, ?>> extends DefaultPromise<Void> {
-    private static final Logger LOG = LoggerFactory.getLogger(ReconnectPromise.class);
-
-    private final AbstractDispatcher<S, L> dispatcher;
-    private final InetSocketAddress address;
-    private final ReconnectStrategyFactory strategyFactory;
-    private final Bootstrap b;
-    private final AbstractDispatcher.PipelineInitializer<S> initializer;
-    private Future<?> pending;
-
-    public ReconnectPromise(final EventExecutor executor, final AbstractDispatcher<S, L> dispatcher, final InetSocketAddress address,
-                            final ReconnectStrategyFactory connectStrategyFactory, final Bootstrap b, final AbstractDispatcher.PipelineInitializer<S> initializer) {
-        super(executor);
-        this.b = b;
-        this.initializer = Preconditions.checkNotNull(initializer);
-        this.dispatcher = Preconditions.checkNotNull(dispatcher);
-        this.address = Preconditions.checkNotNull(address);
-        this.strategyFactory = Preconditions.checkNotNull(connectStrategyFactory);
-    }
-
-    synchronized void connect() {
-        final ReconnectStrategy cs = this.strategyFactory.createReconnectStrategy();
-
-        // Set up a client with pre-configured bootstrap, but add a closed channel handler into the pipeline to support reconnect attempts
-        pending = this.dispatcher.createClient(this.address, cs, b, (channel, promise) -> {
-            initializer.initializeChannel(channel, promise);
-            // add closed channel handler
-            // This handler has to be added as last channel handler and the channel inactive event has to be caught by it
-            // Handlers in front of it can react to channelInactive event, but have to forward the event or the reconnect will not work
-            // This handler is last so all handlers in front of it can handle channel inactive (to e.g. resource cleanup) before a new connection is started
-            channel.pipeline().addLast(new ClosedChannelHandler(ReconnectPromise.this));
-        });
-
-        pending.addListener((GenericFutureListener<Future<Object>>) future -> {
-            if (!future.isSuccess()) {
-                ReconnectPromise.this.setFailure(future.cause());
-            }
-        });
-    }
-
-    /**
-     *
-     * @return true if initial connection was established successfully, false if initial connection failed due to e.g. Connection refused, Negotiation failed
-     */
-    private boolean isInitialConnectFinished() {
-        Preconditions.checkNotNull(pending);
-        return pending.isDone() && pending.isSuccess();
-    }
-
-    @Override
-    public synchronized boolean cancel(final boolean mayInterruptIfRunning) {
-        if (super.cancel(mayInterruptIfRunning)) {
-            Preconditions.checkNotNull(pending);
-            this.pending.cancel(mayInterruptIfRunning);
-            return true;
-        }
-
-        return false;
-    }
-
-    /**
-     * Channel handler that responds to channelInactive event and reconnects the session.
-     * Only if the promise was not canceled.
-     */
-    private static final class ClosedChannelHandler extends ChannelInboundHandlerAdapter {
-        private final ReconnectPromise<?, ?> promise;
-
-        public ClosedChannelHandler(final ReconnectPromise<?, ?> promise) {
-            this.promise = promise;
-        }
-
-        @Override
-        public void channelInactive(final ChannelHandlerContext ctx) throws Exception {
-            // This is the ultimate channel inactive handler, not forwarding
-            if (promise.isCancelled()) {
-                return;
-            }
-
-            if (promise.isInitialConnectFinished() == false) {
-                LOG.debug("Connection to {} was dropped during negotiation, reattempting", promise.address);
-            }
-
-            LOG.debug("Reconnecting after connection to {} was dropped", promise.address);
-            promise.connect();
-        }
-    }
-
-}