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main() — netty Function Reference

Architecture documentation for the main() function in FactorialClient.java from the netty codebase.

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Entity Profile

Dependency Diagram

graph TD
  0544e424_04a2_5fc6_e8e5_0ce640494bb7["main()"]
  fddf5e55_7d11_7a99_f8da_5cedf4577068["FactorialClient"]
  0544e424_04a2_5fc6_e8e5_0ce640494bb7 -->|defined in| fddf5e55_7d11_7a99_f8da_5cedf4577068
  style 0544e424_04a2_5fc6_e8e5_0ce640494bb7 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

example/src/main/java/io/netty/example/factorial/FactorialClient.java lines 37–60

    public static void main(String[] args) throws Exception {
        // Configure SSL.
        final SslContext sslCtx = ServerUtil.buildSslContext();

        EventLoopGroup group = new MultiThreadIoEventLoopGroup(NioIoHandler.newFactory());
        try {
            Bootstrap b = new Bootstrap();
            b.group(group)
             .channel(NioSocketChannel.class)
             .handler(new FactorialClientInitializer(sslCtx));

            // Make a new connection.
            ChannelFuture f = b.connect(HOST, PORT).sync();

            // Get the handler instance to retrieve the answer.
            FactorialClientHandler handler =
                (FactorialClientHandler) f.channel().pipeline().last();

            // Print out the answer.
            System.err.format("Factorial of %,d is: %,d", COUNT, handler.getFactorial());
        } finally {
            group.shutdownGracefully();
        }
    }

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Frequently Asked Questions

What does main() do?
main() is a function in the netty codebase, defined in example/src/main/java/io/netty/example/factorial/FactorialClient.java.
Where is main() defined?
main() is defined in example/src/main/java/io/netty/example/factorial/FactorialClient.java at line 37.

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