2 * Copyright (c) 2015 Pantheon Technologies s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.openflowjava.protocol.api.connection;
10 import com.google.common.annotations.Beta;
11 import com.google.common.util.concurrent.FutureCallback;
12 import java.util.function.Function;
13 import javax.annotation.Nonnull;
14 import javax.annotation.Nullable;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
18 public interface OutboundQueue {
20 * Reserve an entry in the outbound queue.
21 * @return XID for the new message, or null if the queue is full
26 * Commit the specified offset using a message. Specified callback will
27 * be invoked once we know how it has resolved, either with a normal response,
28 * implied completion via a barrier, or failure (such as connection drop). For
29 * multipart responses, {@link FutureCallback#onSuccess(Object)} will be invoked
30 * multiple times as the corresponding responses arrive. If the request is completed
31 * with a response, the object reported will be non-null. If the request's completion
32 * is implied by a barrier, the object reported will be null.
34 * If this request fails on the remote device, {@link FutureCallback#onFailure(Throwable)}
35 * will be called with an instance of {@link DeviceRequestFailedException}.
37 * If the request fails due to local reasons, {@link FutureCallback#onFailure(Throwable)}
38 * will be called with an instance of {@link OutboundQueueException}. In particular, if
39 * this request failed because the device disconnected, {@link OutboundQueueException#DEVICE_DISCONNECTED}
42 * @param xid Previously-reserved XID
43 * @param message Message which should be sent out, or null if the reservation
44 * should be cancelled.
45 * @param callback Callback to be invoked, or null if no callback should be invoked.
46 * @throws IllegalArgumentException if the slot is already committed or was never reserved.
50 @Nullable OfHeader message,
51 @Nullable FutureCallback<OfHeader> callback);
54 * Commit the specified offset using a message. Specified callback will
55 * be invoked once we know how it has resolved, either with a normal response,
56 * implied completion via a barrier, or failure (such as connection drop). For
57 * multipart responses, {@link FutureCallback#onSuccess(Object)} will be invoked
58 * multiple times as the corresponding responses arrive. If the request is completed
59 * with a response, the object reported will be non-null. If the request's completion
60 * is implied by a barrier, the object reported will be null.
62 * If this request fails on the remote device, {@link FutureCallback#onFailure(Throwable)}
63 * will be called with an instance of {@link DeviceRequestFailedException}.
65 * If the request fails due to local reasons, {@link FutureCallback#onFailure(Throwable)}
66 * will be called with an instance of {@link OutboundQueueException}. In particular, if
67 * this request failed because the device disconnected, {@link OutboundQueueException#DEVICE_DISCONNECTED}
70 * @param xid Previously-reserved XID
71 * @param message Message which should be sent out, or null if the reservation
72 * should be cancelled.
73 * @param callback Callback to be invoked, or null if no callback should be invoked.
74 * @param isComplete Function to determine if OfHeader is processing is complete
75 * @throws IllegalArgumentException if the slot is already committed or was never reserved.
79 @Nullable OfHeader message,
80 @Nullable FutureCallback<OfHeader> callback,
81 @Nullable Function<OfHeader, Boolean> isComplete);