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ChannelOutboundHandlerAdapter Class — netty Architecture

Architecture documentation for the ChannelOutboundHandlerAdapter class in ChannelOutboundHandlerAdapter.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  89fc6887_eb95_0220_b30a_3f13bcdb2ce6["ChannelOutboundHandlerAdapter"]
  337bdf8c_6e48_e2cb_7a55_6b091560bfb0["ChannelOutboundHandlerAdapter.java"]
  89fc6887_eb95_0220_b30a_3f13bcdb2ce6 -->|defined in| 337bdf8c_6e48_e2cb_7a55_6b091560bfb0
  d40c88a8_0c8d_5595_f20f_5f4851a7eb54["bind()"]
  89fc6887_eb95_0220_b30a_3f13bcdb2ce6 -->|method| d40c88a8_0c8d_5595_f20f_5f4851a7eb54
  ff7bdef3_1194_6a42_f291_a5c4b30b13e7["connect()"]
  89fc6887_eb95_0220_b30a_3f13bcdb2ce6 -->|method| ff7bdef3_1194_6a42_f291_a5c4b30b13e7
  c869b598_d198_10e8_bcf0_78a651ddb9d2["disconnect()"]
  89fc6887_eb95_0220_b30a_3f13bcdb2ce6 -->|method| c869b598_d198_10e8_bcf0_78a651ddb9d2
  eb3be415_4f9a_9063_64ca_708fed0cdd9d["close()"]
  89fc6887_eb95_0220_b30a_3f13bcdb2ce6 -->|method| eb3be415_4f9a_9063_64ca_708fed0cdd9d
  dec9e260_f4f6_5514_72aa_f6972f9723d1["deregister()"]
  89fc6887_eb95_0220_b30a_3f13bcdb2ce6 -->|method| dec9e260_f4f6_5514_72aa_f6972f9723d1
  38b691d4_279e_9e37_3386_deef4a337e38["read()"]
  89fc6887_eb95_0220_b30a_3f13bcdb2ce6 -->|method| 38b691d4_279e_9e37_3386_deef4a337e38
  73377363_9d36_882b_65ea_9911b0652988["write()"]
  89fc6887_eb95_0220_b30a_3f13bcdb2ce6 -->|method| 73377363_9d36_882b_65ea_9911b0652988
  ace341ee_2b91_0ac9_73b7_8628093f89dd["flush()"]
  89fc6887_eb95_0220_b30a_3f13bcdb2ce6 -->|method| ace341ee_2b91_0ac9_73b7_8628093f89dd

Relationship Graph

Source Code

transport/src/main/java/io/netty/channel/ChannelOutboundHandlerAdapter.java lines 26–127

public class ChannelOutboundHandlerAdapter extends ChannelHandlerAdapter implements ChannelOutboundHandler {

    /**
     * Calls {@link ChannelHandlerContext#bind(SocketAddress, ChannelPromise)} to forward
     * to the next {@link ChannelOutboundHandler} in the {@link ChannelPipeline}.
     *
     * Sub-classes may override this method to change behavior.
     */
    @Skip
    @Override
    public void bind(ChannelHandlerContext ctx, SocketAddress localAddress,
            ChannelPromise promise) throws Exception {
        ctx.bind(localAddress, promise);
    }

    /**
     * Calls {@link ChannelHandlerContext#connect(SocketAddress, SocketAddress, ChannelPromise)} to forward
     * to the next {@link ChannelOutboundHandler} in the {@link ChannelPipeline}.
     *
     * Sub-classes may override this method to change behavior.
     */
    @Skip
    @Override
    public void connect(ChannelHandlerContext ctx, SocketAddress remoteAddress,
            SocketAddress localAddress, ChannelPromise promise) throws Exception {
        ctx.connect(remoteAddress, localAddress, promise);
    }

    /**
     * Calls {@link ChannelHandlerContext#disconnect(ChannelPromise)} to forward
     * to the next {@link ChannelOutboundHandler} in the {@link ChannelPipeline}.
     *
     * Sub-classes may override this method to change behavior.
     */
    @Skip
    @Override
    public void disconnect(ChannelHandlerContext ctx, ChannelPromise promise)
            throws Exception {
        ctx.disconnect(promise);
    }

    /**
     * Calls {@link ChannelHandlerContext#close(ChannelPromise)} to forward
     * to the next {@link ChannelOutboundHandler} in the {@link ChannelPipeline}.
     *
     * Sub-classes may override this method to change behavior.
     */
    @Skip
    @Override
    public void close(ChannelHandlerContext ctx, ChannelPromise promise)
            throws Exception {
        ctx.close(promise);
    }

    /**
     * Calls {@link ChannelHandlerContext#deregister(ChannelPromise)} to forward
     * to the next {@link ChannelOutboundHandler} in the {@link ChannelPipeline}.
     *
     * Sub-classes may override this method to change behavior.
     */
    @Skip
    @Override
    public void deregister(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception {
        ctx.deregister(promise);
    }

    /**
     * Calls {@link ChannelHandlerContext#read()} to forward
     * to the next {@link ChannelOutboundHandler} in the {@link ChannelPipeline}.
     *
     * Sub-classes may override this method to change behavior.
     */
    @Skip
    @Override
    public void read(ChannelHandlerContext ctx) throws Exception {
        ctx.read();
    }

    /**
     * Calls {@link ChannelHandlerContext#write(Object, ChannelPromise)} to forward
     * to the next {@link ChannelOutboundHandler} in the {@link ChannelPipeline}.

Defined In

Source

Frequently Asked Questions

What is the ChannelOutboundHandlerAdapter class?
ChannelOutboundHandlerAdapter is a class in the netty codebase, defined in transport/src/main/java/io/netty/channel/ChannelOutboundHandlerAdapter.java.
Where is ChannelOutboundHandlerAdapter defined?
ChannelOutboundHandlerAdapter is defined in transport/src/main/java/io/netty/channel/ChannelOutboundHandlerAdapter.java at line 26.

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