| /* |
| * 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; |
| |
| import org.apache.qpid.protonj2.client.exceptions.ClientSendTimedOutException; |
| |
| /** |
| * Options class that controls various aspects of a {@link StreamSenderMessage} instance and how |
| * a streamed message transfer is written. |
| */ |
| public class StreamSenderOptions extends LinkOptions<StreamSenderOptions> implements Cloneable { |
| |
| /** |
| * Defines the default pending write buffering size which is used to control how much outgoing |
| * data can be buffered for local writing before the sender has back pressured applied to avoid |
| * out of memory conditions due to overly large pending batched writes. |
| */ |
| public static final int DEFAULT_PENDING_WRITES_BUFFER_SIZE = SessionOptions.DEFAULT_SESSION_OUTGOING_CAPACITY; |
| |
| private long sendTimeout = ConnectionOptions.DEFAULT_SEND_TIMEOUT; |
| |
| private int pendingWritesBufferSize = DEFAULT_PENDING_WRITES_BUFFER_SIZE; |
| |
| /** |
| * Defines the default minimum size that the context write buffer will allocate |
| * which drives the interval auto flushing of written data for this context. |
| */ |
| public static final int MIN_BUFFER_SIZE_LIMIT = 256; |
| |
| private int writeBufferSize; |
| |
| /** |
| * Creates a {@link StreamSenderOptions} instance with default values for all options |
| */ |
| public StreamSenderOptions() { |
| } |
| |
| @Override |
| public StreamSenderOptions clone() { |
| return copyInto(new StreamSenderOptions()); |
| } |
| |
| /** |
| * Create a {@link StreamSenderOptions} instance that copies all configuration from the given |
| * {@link StreamSenderOptions} instance. |
| * |
| * @param options |
| * The options instance to copy all configuration values from. |
| */ |
| public StreamSenderOptions(StreamSenderOptions options) { |
| if (options != null) { |
| options.copyInto(this); |
| } |
| } |
| |
| /** |
| * Copy all options from this {@link StreamSenderOptions} instance into the instance |
| * provided. |
| * |
| * @param other |
| * the target of this copy operation. |
| * |
| * @return the {@link StreamSenderOptions} instance that was given. |
| */ |
| protected StreamSenderOptions copyInto(StreamSenderOptions other) { |
| super.copyInto(other); |
| |
| other.writeBufferSize(writeBufferSize); |
| other.sendTimeout(sendTimeout); |
| other.pendingWritesBufferSize(pendingWritesBufferSize); |
| |
| return other; |
| } |
| |
| /** |
| * @return the configured context write buffering limit for the associated {@link StreamSender} |
| */ |
| public int writeBufferSize() { |
| return writeBufferSize; |
| } |
| |
| /** |
| * Sets the overall number of bytes the stream sender will buffer before automatically flushing the |
| * currently buffered bytes. By default the stream sender implementation chooses a value for this |
| * buffer limit based on the configured frame size limits of the connection. |
| * |
| * @param writeBufferSize |
| * The number of bytes that can be written before the context performs a flush operation. |
| * |
| * @return this {@link StreamSenderOptions} instance. |
| */ |
| public StreamSenderOptions writeBufferSize(int writeBufferSize) { |
| this.writeBufferSize = writeBufferSize; |
| return this; |
| } |
| |
| /** |
| * @return the configured pending write buffering limit for the associated {@link StreamSender} |
| */ |
| public int pendingWritesBufferSize() { |
| return this.pendingWritesBufferSize; |
| } |
| |
| /** |
| * Sets the overall number of bytes the stream sender will allow to be pending for write before applying |
| * back pressure to the stream write caller. By default the stream sender implementation chooses a value |
| * for this pending write limit based on the configured frame size limits of the connection. This is an |
| * advanced option and should not be used unless the impact of doing so is understood by the user. |
| * |
| * @param pendingWritesBufferSize |
| * The number of bytes that can be pending for write before the sender applies back pressure. |
| * |
| * @return this {@link StreamSenderOptions} instance. |
| */ |
| public StreamSenderOptions pendingWritesBufferSize(int pendingWritesBufferSize) { |
| this.pendingWritesBufferSize = pendingWritesBufferSize; |
| return this; |
| } |
| |
| /** |
| * @return the timeout used when awaiting a response from the remote when a resource is message send. |
| */ |
| public long sendTimeout() { |
| return sendTimeout; |
| } |
| |
| /** |
| * Configures the timeout used when awaiting a send operation to complete. A send will block if the |
| * remote has not granted the {@link Sender} or the {@link Session} credit to do so, if the send blocks |
| * for longer than this timeout the send call will fail with an {@link ClientSendTimedOutException} |
| * exception to indicate that the send did not complete. |
| * |
| * @param sendTimeout |
| * Timeout value in milliseconds to wait for a remote response. |
| * |
| * @return this {@link StreamSenderOptions} instance. |
| */ |
| public StreamSenderOptions sendTimeout(long sendTimeout) { |
| return sendTimeout(sendTimeout, TimeUnit.MILLISECONDS); |
| } |
| |
| /** |
| * Configures the timeout used when awaiting a send operation to complete. A send will block if the |
| * remote has not granted the {@link Sender} or the {@link Session} credit to do so, if the send blocks |
| * for longer than this timeout the send call will fail with an {@link ClientSendTimedOutException} |
| * exception to indicate that the send did not complete. |
| * |
| * @param timeout |
| * Timeout value to wait for a remote response. |
| * @param units |
| * The {@link TimeUnit} that defines the timeout span. |
| * |
| * @return this {@link StreamSenderOptions} instance. |
| */ |
| public StreamSenderOptions sendTimeout(long timeout, TimeUnit units) { |
| this.sendTimeout = units.toMillis(timeout); |
| return this; |
| } |
| |
| @Override |
| protected StreamSenderOptions self() { |
| return this; |
| } |
| } |