| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.mina.transport.socket.nio; |
| |
| import java.nio.channels.ByteChannel; |
| import java.nio.channels.Channel; |
| import java.nio.channels.SelectionKey; |
| |
| import org.apache.mina.core.filterchain.DefaultIoFilterChain; |
| import org.apache.mina.core.filterchain.IoFilterChain; |
| import org.apache.mina.core.service.IoProcessor; |
| import org.apache.mina.core.service.IoService; |
| import org.apache.mina.core.session.AbstractIoSession; |
| import org.apache.mina.core.session.IoSession; |
| |
| /** |
| * An {@link IoSession} which is managed by the NIO transport. |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public abstract class NioSession extends AbstractIoSession { |
| /** The NioSession processor */ |
| protected final IoProcessor<NioSession> processor; |
| |
| /** The communication channel */ |
| protected final Channel channel; |
| |
| /** The SelectionKey used for this session */ |
| private SelectionKey key; |
| |
| /** The FilterChain created for this session */ |
| private final IoFilterChain filterChain; |
| |
| /** |
| * |
| * Creates a new instance of NioSession, with its associated IoProcessor. |
| * <br> |
| * This method is only called by the inherited class. |
| * |
| * @param processor The associated {@link IoProcessor} |
| * @param service The associated {@link IoService} |
| * @param channel The associated {@link Channel} |
| */ |
| protected NioSession(IoProcessor<NioSession> processor, IoService service, Channel channel) { |
| super(service); |
| this.channel = channel; |
| this.processor = processor; |
| filterChain = new DefaultIoFilterChain(this); |
| } |
| |
| /** |
| * @return The ByteChannel associated with this {@link IoSession} |
| */ |
| abstract ByteChannel getChannel(); |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public IoFilterChain getFilterChain() { |
| return filterChain; |
| } |
| |
| /** |
| * @return The {@link SelectionKey} associated with this {@link IoSession} |
| */ |
| /* No qualifier*/SelectionKey getSelectionKey() { |
| return key; |
| } |
| |
| /** |
| * Sets the {@link SelectionKey} for this {@link IoSession} |
| * |
| * @param key The new {@link SelectionKey} |
| */ |
| /* No qualifier*/void setSelectionKey(SelectionKey key) { |
| this.key = key; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public IoProcessor<NioSession> getProcessor() { |
| return processor; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public final boolean isActive() { |
| return key.isValid(); |
| } |
| } |