| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.qpid.protonj2.client; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Options class that controls various aspects of a {@link StreamReceiver} instance and how |
| * a streamed message transfer is written. |
| */ |
| public final class StreamReceiverOptions extends LinkOptions<StreamReceiverOptions> implements Cloneable { |
| |
| /** |
| * Defines the default read buffering size which is used to control how much incoming |
| * data can be buffered before the remote has back pressured applied to avoid out of |
| * memory conditions. |
| */ |
| public static final int DEFAULT_READ_BUFFER_SIZE = SessionOptions.DEFAULT_SESSION_INCOMING_CAPACITY; |
| |
| private int readBufferSize = DEFAULT_READ_BUFFER_SIZE; |
| private long drainTimeout = ConnectionOptions.DEFAULT_DRAIN_TIMEOUT; |
| private boolean autoAccept = true; |
| private int creditWindow = 10; |
| |
| /** |
| * Creates a {@link StreamReceiverOptions} instance with default values for all options |
| */ |
| public StreamReceiverOptions() { |
| } |
| |
| /** |
| * Create a {@link StreamReceiverOptions} instance that copies all configuration from the given |
| * {@link StreamReceiverOptions} instance. |
| * |
| * @param options |
| * The options instance to copy all configuration values from. |
| */ |
| public StreamReceiverOptions(StreamReceiverOptions options) { |
| if (options != null) { |
| options.copyInto(this); |
| } |
| } |
| |
| @Override |
| public StreamReceiverOptions clone() { |
| return copyInto(new StreamReceiverOptions()); |
| } |
| |
| /** |
| * Copy all options from this {@link StreamReceiverOptions} instance into the instance |
| * provided. |
| * |
| * @param other |
| * the target of this copy operation. |
| * |
| * @return the {@link StreamReceiverOptions} instance that was given. |
| */ |
| protected StreamReceiverOptions copyInto(StreamReceiverOptions other) { |
| super.copyInto(other); |
| |
| other.readBufferSize(readBufferSize); |
| other.autoAccept(autoAccept); |
| other.creditWindow(creditWindow); |
| other.drainTimeout(drainTimeout); |
| |
| return other; |
| } |
| |
| /** |
| * @return the configured session capacity for the parent session of the {@link StreamReceiver}. |
| */ |
| public int readBufferSize() { |
| return readBufferSize; |
| } |
| |
| /** |
| * Sets the incoming buffer capacity (in bytes) that the {@link StreamReceiver}. |
| * <p> |
| * When the remote peer is sending incoming data for a {@link StreamReceiverMessage} the amount that is stored |
| * in memory before back pressure is applied to the remote is controlled by this option. If the user |
| * does not read incoming data as it arrives this limit can prevent out of memory errors that might |
| * otherwise arise as the remote attempts to immediately send all contents of very large message payloads. |
| * |
| * @param readBufferSize |
| * The number of bytes that the {@link StreamReceiver} will buffer for a given {@link StreamReceiverMessage}. |
| * |
| * @return this {@link StreamReceiverOptions} instance. |
| */ |
| public StreamReceiverOptions readBufferSize(int readBufferSize) { |
| this.readBufferSize = readBufferSize; |
| return this; |
| } |
| |
| /** |
| * Controls if the created Receiver will automatically accept the deliveries that have |
| * been received by the application (default is <code>true</code>). |
| * |
| * @param autoAccept |
| * The value to assign for auto delivery acceptance. |
| * |
| * @return this {@link StreamReceiverOptions} instance. |
| */ |
| public StreamReceiverOptions autoAccept(boolean autoAccept) { |
| this.autoAccept = autoAccept; |
| return this; |
| } |
| |
| /** |
| * @return the current value of the {@link Receiver} auto accept setting. |
| */ |
| public boolean autoAccept() { |
| return autoAccept; |
| } |
| |
| /** |
| * @return the credit window configuration that will be applied to created {@link Receiver} instances. |
| */ |
| public int creditWindow() { |
| return creditWindow; |
| } |
| |
| /** |
| * A credit window value that will be used to maintain an window of credit for Receiver instances |
| * that are created. The {@link Receiver} will allow up to the credit window amount of incoming |
| * deliveries to be queued and as they are read from the {@link Receiver} the window will be extended |
| * to maintain a consistent backlog of deliveries. The default is to configure a credit window of 10. |
| * <p> |
| * To disable credit windowing and allow the client application to control the credit on the {@link Receiver} |
| * link the credit window value should be set to zero. |
| * |
| * @param creditWindow |
| * The assigned credit window value to use. |
| * |
| * @return this {@link StreamReceiverOptions} instance. |
| */ |
| public StreamReceiverOptions creditWindow(int creditWindow) { |
| this.creditWindow = creditWindow; |
| return this; |
| } |
| |
| /** |
| * @return the configured drain timeout value that will use to fail a pending drain request. |
| */ |
| public long drainTimeout() { |
| return drainTimeout; |
| } |
| |
| /** |
| * Sets the drain timeout (in milliseconds) after which a {@link Receiver} request to drain |
| * link credit is considered failed and the request will be marked as such. |
| * |
| * @param drainTimeout |
| * the drainTimeout to use for receiver links. |
| * |
| * @return this {@link StreamReceiverOptions} instance. |
| */ |
| public StreamReceiverOptions drainTimeout(long drainTimeout) { |
| return drainTimeout(drainTimeout, TimeUnit.MILLISECONDS); |
| } |
| |
| /** |
| * Sets the drain timeout value after which a {@link Receiver} request to drain |
| * link credit is considered failed and the request will be marked as such. |
| * |
| * @param timeout |
| * Timeout value to wait for a remote response. |
| * @param units |
| * The {@link TimeUnit} that defines the timeout span. |
| * |
| * @return this {@link StreamReceiverOptions} instance. |
| */ |
| public StreamReceiverOptions drainTimeout(long timeout, TimeUnit units) { |
| this.drainTimeout = units.toMillis(timeout); |
| return this; |
| } |
| |
| @Override |
| protected StreamReceiverOptions self() { |
| return this; |
| } |
| } |