Switch to controller-provided protocol framework

[bgpcep.git] / framework / src / main / java / org / opendaylight / protocol / framework / AbstractSessionNegotiator.java

diff --git a/framework/src/main/java/org/opendaylight/protocol/framework/AbstractSessionNegotiator.java b/framework/src/main/java/org/opendaylight/protocol/framework/AbstractSessionNegotiator.java
deleted file mode 100644 (file)
index f34ba5a..0000000
--- a/framework/src/main/java/org/opendaylight/protocol/framework/AbstractSessionNegotiator.java
+++ /dev/null
@@ -1,74 +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 io.netty.channel.Channel;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelInboundHandlerAdapter;
-import io.netty.util.concurrent.Promise;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.base.Preconditions;
-
-/**
- * Abstract base class for session negotiators. It implements the basic
- * substrate to implement SessionNegotiator API specification, with subclasses
- * needing to provide only
- *
- * @param <M> Protocol message type
- * @param <S> Protocol session type, has to extend ProtocolSession<M>
- */
-public abstract class AbstractSessionNegotiator<M, S extends AbstractProtocolSession<?>> extends ChannelInboundHandlerAdapter implements SessionNegotiator<S> {
-       private final Logger logger = LoggerFactory.getLogger(AbstractSessionNegotiator.class);
-       private final Promise<S> promise;
-       protected final Channel channel;
-
-       public AbstractSessionNegotiator(final Promise<S> promise, final Channel channel) {
-               this.promise = Preconditions.checkNotNull(promise);
-               this.channel = Preconditions.checkNotNull(channel);
-       }
-
-       protected abstract void startNegotiation() throws Exception;
-       protected abstract void handleMessage(M msg) throws Exception;
-
-       protected final void negotiationSuccessful(final S session) {
-               logger.debug("Negotiation on channel {} successful with session {}", channel, session);
-               channel.pipeline().replace(this, "session", session);
-               promise.setSuccess(session);
-       }
-
-       protected final void negotiationFailed(final Throwable cause) {
-               logger.debug("Negotiation on channel {} failed", channel, cause);
-               channel.close();
-               promise.setFailure(cause);
-       }
-
-       @Override
-       public final void channelActive(final ChannelHandlerContext ctx) {
-               logger.debug("Starting session negotiation on channel {}", channel);
-               try {
-                       startNegotiation();
-               } catch (Exception e) {
-                       logger.info("Unexpected negotiation failure", e);
-                       negotiationFailed(e);
-               }
-       }
-
-       @Override
-       public final void channelRead(final ChannelHandlerContext ctx, final Object msg) {
-               logger.debug("Negotiation read invoked on channel {}", channel);
-               try {
-                       handleMessage((M)msg);
-               } catch (Exception e) {
-                       logger.debug("Unexpected exception during negotiation", e);
-                       negotiationFailed(e);
-               }
-       }
-}