Examples of java.nio.channels.Channel

java.nio.channels.Channel
A channel is a conduit to IO services covering such items as files, sockets, hardware devices, IO ports, or some software component.
Channels are open upon creation, and can be explicitly closed. Once a channel is closed it cannot be re-opened, and attempts to perform IO operations on the closed channel result in a ClosedChannelException .

Particular implementations or sub-interfaces of Channel dictate whther they are thread-safe or not.

            asDatagramSocket().setBroadcast(asBoolean(val));
        }
    }


    private void setKeepAlive(IRubyObject val) throws IOException, BadDescriptorException {
        Channel socketChannel = getOpenChannel();
        if(socketChannel instanceof SocketChannel) {
            asSocket().setKeepAlive(asBoolean(val));
        }
    }

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            asSocket().setKeepAlive(asBoolean(val));
        }
    }


    private void setTcpNoDelay(IRubyObject val) throws IOException, BadDescriptorException {
        Channel socketChannel = getOpenChannel();
        if(socketChannel instanceof SocketChannel) {
            asSocket().setTcpNoDelay(asBoolean(val));
        }
    }

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            asSocket().setTcpNoDelay(asBoolean(val));
        }
    }


    private void joinMulticastGroup(IRubyObject val) throws IOException, BadDescriptorException {
        Channel socketChannel = getOpenChannel();


        if(socketChannel instanceof DatagramChannel) {
            if (multicastStateManager == null) {
                multicastStateManager = new MulticastStateManager();
            }

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            }
        }
    }


    private void setReuseAddr(IRubyObject val) throws IOException, BadDescriptorException {
        Channel socketChannel = getOpenChannel();
        if (socketChannel instanceof ServerSocketChannel) {
            asServerSocket().setReuseAddress(asBoolean(val));
        } else if (socketChannel instanceof SocketChannel) {
            asSocket().setReuseAddress(asBoolean(val));
        } else if (socketChannel instanceof DatagramChannel) {

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            asDatagramSocket().setReuseAddress(asBoolean(val));
        }
    }


    private void setRcvBuf(IRubyObject val) throws IOException, BadDescriptorException {
        Channel socketChannel = getOpenChannel();
        if(socketChannel instanceof SocketChannel) {
            asSocket().setReceiveBufferSize(asNumber(val));
        } else if(socketChannel instanceof ServerSocketChannel) {
            asServerSocket().setReceiveBufferSize(asNumber(val));
        } else if(socketChannel instanceof DatagramChannel) {

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            asDatagramSocket().setReceiveBufferSize(asNumber(val));
        }
    }


    private void setTimeout(IRubyObject val) throws IOException, BadDescriptorException {
        Channel socketChannel = getOpenChannel();
        if(socketChannel instanceof SocketChannel) {
            asSocket().setSoTimeout(asNumber(val));
        } else if(socketChannel instanceof ServerSocketChannel) {
            asServerSocket().setSoTimeout(asNumber(val));
        } else if(socketChannel instanceof DatagramChannel) {

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        }
    }


    private void setSndBuf(IRubyObject val) throws IOException, BadDescriptorException {
        try {
            Channel socketChannel = getOpenChannel();
            if(socketChannel instanceof SocketChannel) {
                asSocket().setSendBufferSize(asNumber(val));
            } else if(socketChannel instanceof DatagramChannel) {
                asDatagramSocket().setSendBufferSize(asNumber(val));
            }

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            throw getRuntime().newErrnoEINVALError(iae.getMessage());
        }
    }


    private void setLinger(IRubyObject val) throws IOException, BadDescriptorException {
        Channel socketChannel = getOpenChannel();
        if(socketChannel instanceof SocketChannel) {
            if(val instanceof RubyBoolean && !val.isTrue()) {
                asSocket().setSoLinger(false, 0);
            } else {
                int num = asNumber(val);

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            }
        }
    }


    private void setOOBInline(IRubyObject val) throws IOException, BadDescriptorException {
        Channel socketChannel = getOpenChannel();
        if(socketChannel instanceof SocketChannel) {
            asSocket().setOOBInline(asBoolean(val));
        }
    }

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            return val.isTrue();
        }
    }


    private IRubyObject getKeepAlive(Ruby runtime) throws IOException, BadDescriptorException {
        Channel socketChannel = getOpenChannel();
        return trueFalse(runtime,
                         (socketChannel instanceof SocketChannel) ? asSocket().getKeepAlive() : false
                         );
    }

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