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ThreadLocalDirectByteBuf Class — netty Architecture

Architecture documentation for the ThreadLocalDirectByteBuf class in ByteBufUtil.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  3af531be_852c_d7f9_0595_e937132be83e["ThreadLocalDirectByteBuf"]
  373e0ae1_9ed6_8f3b_aa9e_665e0d7416be["ByteBufUtil.java"]
  3af531be_852c_d7f9_0595_e937132be83e -->|defined in| 373e0ae1_9ed6_8f3b_aa9e_665e0d7416be
  c798754d_06be_9b28_4450_e44d51594ff9["ThreadLocalDirectByteBuf()"]
  3af531be_852c_d7f9_0595_e937132be83e -->|method| c798754d_06be_9b28_4450_e44d51594ff9
  c478af19_45e4_331d_99a3_e531e0dae028["deallocate()"]
  3af531be_852c_d7f9_0595_e937132be83e -->|method| c478af19_45e4_331d_99a3_e531e0dae028

Relationship Graph

Source Code

buffer/src/main/java/io/netty/buffer/ByteBufUtil.java lines 1736–1767

    static final class ThreadLocalDirectByteBuf extends UnpooledDirectByteBuf {

        private static final Recycler<ThreadLocalDirectByteBuf> RECYCLER = new Recycler<ThreadLocalDirectByteBuf>() {
            @Override
            protected ThreadLocalDirectByteBuf newObject(Handle<ThreadLocalDirectByteBuf> handle) {
                return new ThreadLocalDirectByteBuf(handle);
            }
        };

        static ThreadLocalDirectByteBuf newInstance() {
            ThreadLocalDirectByteBuf buf = RECYCLER.get();
            buf.resetRefCnt();
            return buf;
        }

        private final EnhancedHandle<ThreadLocalDirectByteBuf> handle;

        private ThreadLocalDirectByteBuf(Handle<ThreadLocalDirectByteBuf> handle) {
            super(UnpooledByteBufAllocator.DEFAULT, 256, Integer.MAX_VALUE);
            this.handle = (EnhancedHandle<ThreadLocalDirectByteBuf>) handle;
        }

        @Override
        protected void deallocate() {
            if (capacity() > THREAD_LOCAL_BUFFER_SIZE) {
                super.deallocate();
            } else {
                clear();
                handle.unguardedRecycle(this);
            }
        }
    }

Defined In

Source

Frequently Asked Questions

What is the ThreadLocalDirectByteBuf class?
ThreadLocalDirectByteBuf is a class in the netty codebase, defined in buffer/src/main/java/io/netty/buffer/ByteBufUtil.java.
Where is ThreadLocalDirectByteBuf defined?
ThreadLocalDirectByteBuf is defined in buffer/src/main/java/io/netty/buffer/ByteBufUtil.java at line 1736.

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