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+#ifndef QPID_CLIENT_SUBSCRIPTIONSETTINGS_H
+#define QPID_CLIENT_SUBSCRIPTIONSETTINGS_H
+
+/*
+ *
+ * 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.
+ *
+ */
+#include "qpid/client/FlowControl.h"
+#include "qpid/framing/enum.h"
+
+namespace qpid {
+namespace client {
+
+/** Bring AMQP enum definitions for message class into this namespace. */
+using namespace qpid::framing::message;
+
+enum CompletionMode {
+ MANUAL_COMPLETION = 0,
+ COMPLETE_ON_DELIVERY = 1,
+ COMPLETE_ON_ACCEPT = 2
+};
+/**
+ * Settings for a subscription.
+ */
+struct SubscriptionSettings
+{
+ SubscriptionSettings(
+ FlowControl flow=FlowControl::unlimited(),
+ AcceptMode accept=ACCEPT_MODE_EXPLICIT,
+ AcquireMode acquire=ACQUIRE_MODE_PRE_ACQUIRED,
+ unsigned int autoAck_=1,
+ CompletionMode completion=COMPLETE_ON_DELIVERY
+ ) : flowControl(flow), acceptMode(accept), acquireMode(acquire), autoAck(autoAck_), completionMode(completion), exclusive(false) {}
+
+ FlowControl flowControl; ///@< Flow control settings. @see FlowControl
+ /**
+ * The acceptMode determines whether the broker should expect
+ * delivery of messages to be acknowledged by the client
+ * indicating that it accepts them. A value of
+ * ACCEPT_MODE_EXPLICIT means that messages must be accepted
+ * (note: this may be done automatically by the library - see
+ * autoAck - or through an explicit call be the application - see
+ * Subscription::accept()) before they can be dequeued. A value of
+ * ACCEPT_MODE_NONE means that the broker can dequeue a message as
+ * soon as it is acquired.
+ */
+ AcceptMode acceptMode; ///@< ACCEPT_MODE_EXPLICIT or ACCEPT_MODE_NONE
+ /**
+ * The acquireMode determines whether messages are locked for the
+ * subscriber when delivered, and thus are not delivered to any
+ * other subscriber unless this subscriber releases them.
+ *
+ * The default is ACQUIRE_MODE_PRE_ACQUIRED meaning that the
+ * subscriber expects to have been given that message exclusively
+ * (i.e. the message will not be given to any other subscriber
+ * unless released explicitly or by this subscribers session
+ * failing without having accepted the message).
+ *
+ * Delivery of message in ACQUIRE_MODE_NOT_ACQUIRED mode means the
+ * message will still be available for other subscribers to
+ * receive. The application can if desired acquire a (set of)
+ * messages through an explicit acquire call - see
+ * Subscription::acquire().
+ */
+ AcquireMode acquireMode; ///@< ACQUIRE_MODE_PRE_ACQUIRED or ACQUIRE_MODE_NOT_ACQUIRED
+
+ /**
+ * Configures the frequency at which messages are automatically
+ * accepted (e.g. a value of 5 means that messages are accepted in
+ * batches of 5). A value of 0 means no automatic acknowledgement
+ * will occur and the application will itself be responsible for
+ * accepting messages.
+ */
+ unsigned int autoAck;
+ /**
+ * In windowing mode, completion of a message will cause the
+ * credit used up by that message to be reallocated. The
+ * subscriptions completion mode controls how completion is
+ * managed.
+ *
+ * If set to COMPLETE_ON_DELIVERY (which is the default), messages
+ * will be marked as completed once they have been received. The
+ * server will be explicitly notified of all completed messages
+ * for the session when the next accept is sent through the
+ * subscription (either explictly or through autAck). However the
+ * server may also periodically request information on the
+ * completed messages.
+ *
+ * If set to COMPLETE_ON_ACCEPT, messages will be marked as
+ * completed once they are accepted (via the Subscription class)
+ * and the server will also be notified of all completed messages
+ * for the session.
+ *
+ * If set to MANUAL_COMPLETION the application is responsible for
+ * completing messages (@see Session::markCompleted()).
+ */
+ CompletionMode completionMode;
+ /**
+ * If set, requests that no other subscriber be allowed to access
+ * the queue while this subscription is active.
+ */
+ bool exclusive;
+};
+
+}} // namespace qpid::client
+
+#endif /*!QPID_CLIENT_SUBSCRIPTIONSETTINGS_H*/