Package org.apache.hc.core5.reactive

Class ReactiveDataConsumer

  • All Implemented Interfaces:
    AsyncDataConsumer, ResourceHolder, org.reactivestreams.Publisher<java.nio.ByteBuffer>
    @Contract(threading=SAFE)
final class ReactiveDataConsumer
extends java.lang.Object
implements AsyncDataConsumer, org.reactivestreams.Publisher<java.nio.ByteBuffer>
    An asynchronous data consumer that supports Reactive Streams.
    Since:
    5.0

    • Field Detail

      • requests

        private final java.util.concurrent.atomic.AtomicLong requests

      • buffers

        private final java.util.concurrent.BlockingQueue<java.nio.ByteBuffer> buffers

      • flushInProgress

        private final java.util.concurrent.atomic.AtomicBoolean flushInProgress

      • flushLock

        private final java.lang.Object flushLock

      • windowScalingIncrement

        private final java.util.concurrent.atomic.AtomicInteger windowScalingIncrement

      • cancelled

        private volatile boolean cancelled

      • completed

        private volatile boolean completed

      • exception

        private volatile java.lang.Exception exception

      • subscriber

        private volatile org.reactivestreams.Subscriber<? super java.nio.ByteBuffer> subscriber

    • Constructor Detail

      • ReactiveDataConsumer

        ReactiveDataConsumer()

    • Method Detail

      • failed

        public void failed​(java.lang.Exception cause)

      • updateCapacity

        public void updateCapacity​(CapacityChannel capacityChannel)
                    throws java.io.IOException
        Description copied from interface: AsyncDataConsumer
        Triggered to signal ability of the underlying data stream to receive data capacity update. The data consumer can choose to write data immediately inside the call or asynchronously at some later point.
        Specified by:
        updateCapacity in interface AsyncDataConsumer
        Parameters:
        capacityChannel - the channel for capacity updates.
        Throws:
        java.io.IOException

      • signalCapacity

        private void signalCapacity​(CapacityChannel channel)
                     throws java.io.IOException
        Throws:
        java.io.IOException

      • throwIfCancelled

        private void throwIfCancelled()
                       throws java.io.IOException
        Throws:
        java.io.IOException

      • consume

        public void consume​(java.nio.ByteBuffer byteBuffer)
             throws java.io.IOException
        Description copied from interface: AsyncDataConsumer
        Triggered to pass incoming data to the data consumer. The consumer must consume the entire content of the data buffer. The consumer must stop incrementing its capacity on the capacity channel if it is unable to accept more data. Once the data consumer has handled accumulated data or allocated more intermediate storage it can update its capacity information on the capacity channel.
        Specified by:
        consume in interface AsyncDataConsumer
        Parameters:
        byteBuffer - data source.
        Throws:
        java.io.IOException

      • streamEnd

        public void streamEnd​(java.util.List<? extends Header> trailers)
        Description copied from interface: AsyncDataConsumer
        Triggered to signal termination of the data stream.
        Specified by:
        streamEnd in interface AsyncDataConsumer
        Parameters:
        trailers - data stream trailers.

      • flushToSubscriber

        private void flushToSubscriber()

      • subscribe

        public void subscribe​(org.reactivestreams.Subscriber<? super java.nio.ByteBuffer> subscriber)
        Specified by:
        subscribe in interface org.reactivestreams.Publisher<java.nio.ByteBuffer>