UnpooledUnsafeNoCleanerDirectByteBuf Class — netty Architecture

Source Code

buffer/src/main/java/io/netty/buffer/UnpooledUnsafeNoCleanerDirectByteBuf.java lines 23–60

class UnpooledUnsafeNoCleanerDirectByteBuf extends UnpooledUnsafeDirectByteBuf {
    UnpooledUnsafeNoCleanerDirectByteBuf(ByteBufAllocator alloc, int initialCapacity, int maxCapacity) {
        super(alloc, initialCapacity, maxCapacity);
    }

    @Override
    protected CleanableDirectBuffer allocateDirectBuffer(int capacity) {
        return PlatformDependent.allocateDirectBufferNoCleaner(capacity);
    }

    @Override
    protected ByteBuffer allocateDirect(int initialCapacity) {
        throw new UnsupportedOperationException();
    }

    CleanableDirectBuffer reallocateDirect(CleanableDirectBuffer oldBuffer, int initialCapacity) {
        return PlatformDependent.reallocateDirectBufferNoCleaner(oldBuffer, initialCapacity);
    }

    @Override
    protected void freeDirect(ByteBuffer buffer) {
        throw new UnsupportedOperationException();
    }

    @Override
    public ByteBuf capacity(int newCapacity) {
        checkNewCapacity(newCapacity);

        int oldCapacity = capacity();
        if (newCapacity == oldCapacity) {
            return this;
        }

        trimIndicesToCapacity(newCapacity);
        setByteBuffer(reallocateDirect(cleanable, newCapacity), false);
        return this;
    }
}