Apache MINA 框架之默认session管理类实现

DefaultSocketSessionConfig 类

extends AbstractSocketSessionConfig extends AbstractIoSessionConfig

implements SocketSessionConfig,IoSessionConfig

protected IoService parent;
private boolean defaultReuseAddress;
private boolean reuseAddress;
//接受数据缓冲区大小
 private int receiveBufferSize = -1;
//发送数据缓冲区大小
 private int sendBufferSize = -1;

 private int trafficClass = 0；
 private boolean keepAlive = false;
 private boolean oobInline = false;
 private int soLinger = -1;
 private boolean tcpNoDelay = false;

 public void init(IoService parent) {
        this.parent = parent;

        if (parent instanceof SocketAcceptor) {
            defaultReuseAddress = true;
        } else {
            defaultReuseAddress = false;
        }

        reuseAddress = defaultReuseAddress;
    }

doSetAll方法

 protected final void doSetAll(IoSessionConfig config) {
        if (!(config instanceof SocketSessionConfig)) {
            return;
        }

        if (config instanceof AbstractSocketSessionConfig) {
            // Minimize unnecessary system calls by checking all 'propertyChanged' properties.
            AbstractSocketSessionConfig cfg = (AbstractSocketSessionConfig) config;
            if (cfg.isKeepAliveChanged()) {
                setKeepAlive(cfg.isKeepAlive());
            }
            if (cfg.isOobInlineChanged()) {
                setOobInline(cfg.isOobInline());
            }
            if (cfg.isReceiveBufferSizeChanged()) {
                setReceiveBufferSize(cfg.getReceiveBufferSize());
            }
            if (cfg.isReuseAddressChanged()) {
                setReuseAddress(cfg.isReuseAddress());
            }
            if (cfg.isSendBufferSizeChanged()) {
                setSendBufferSize(cfg.getSendBufferSize());
            }
            if (cfg.isSoLingerChanged()) {
                setSoLinger(cfg.getSoLinger());
            }
            if (cfg.isTcpNoDelayChanged()) {
                setTcpNoDelay(cfg.isTcpNoDelay());
            }
            if (cfg.isTrafficClassChanged() && getTrafficClass() != cfg.getTrafficClass()) {
                setTrafficClass(cfg.getTrafficClass());
            }
        } else {
            SocketSessionConfig cfg = (SocketSessionConfig) config;
            setKeepAlive(cfg.isKeepAlive());
            setOobInline(cfg.isOobInline());
            setReceiveBufferSize(cfg.getReceiveBufferSize());
            setReuseAddress(cfg.isReuseAddress());
            setSendBufferSize(cfg.getSendBufferSize());
            setSoLinger(cfg.getSoLinger());
            setTcpNoDelay(cfg.isTcpNoDelay());
            if (getTrafficClass() != cfg.getTrafficClass()) {
                setTrafficClass(cfg.getTrafficClass());
            }
        }
}