| /* |
| * Copyright 2014, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package com.google.net.stubby.transport; |
| |
| import com.google.net.stubby.Metadata; |
| import com.google.net.stubby.Status; |
| |
| /** An observer of client-side stream events. */ |
| public interface ClientStreamListener extends StreamListener { |
| /** |
| * Called upon receiving all header information from the remote end-point. Note that transports |
| * are not required to call this method if no header information is received, this would occur |
| * when a stream immediately terminates with an error and only |
| * {@link #closed(com.google.net.stubby.Status, Metadata.Trailers)} is called. |
| * |
| * <p>This method should return quickly, as the same thread may be used to process other streams. |
| * |
| * @param headers the fully buffered received headers. |
| */ |
| void headersRead(Metadata.Headers headers); |
| |
| /** |
| * Called when the stream is fully closed. {@link |
| * com.google.net.stubby.Status.Code#OK} is the only status code that is guaranteed |
| * to have been sent from the remote server. Any other status code may have been caused by |
| * abnormal stream termination. This is guaranteed to always be the final call on a listener. No |
| * further callbacks will be issued. |
| * |
| * <p>This method should return quickly, as the same thread may be used to process other streams. |
| * |
| * @param status details about the remote closure |
| * @param trailers trailing metadata |
| */ |
| void closed(Status status, Metadata.Trailers trailers); |
| } |