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-rw-r--r--qpid/cpp/include/qmf/Subscription.h82
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diff --git a/qpid/cpp/include/qmf/Subscription.h b/qpid/cpp/include/qmf/Subscription.h
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+#ifndef QMF_SUBSCRIPTION_H
+#define QMF_SUBSCRIPTION_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 <qmf/ImportExport.h>
+#include "qmf/Handle.h"
+#include "qpid/types/Variant.h"
+#include <string>
+
+namespace qmf {
+
+#ifndef SWIG
+ template <class> class PrivateImplRef;
+#endif
+
+ class SubscriptionImpl;
+ class Data;
+
+ class QMF_CLASS_EXTERN Subscription : public qmf::Handle<SubscriptionImpl> {
+ public:
+ QMF_EXTERN Subscription(SubscriptionImpl* impl = 0);
+ QMF_EXTERN Subscription(const Subscription&);
+ QMF_EXTERN Subscription& operator=(const Subscription&);
+ QMF_EXTERN ~Subscription();
+
+ /**
+ * Construction: A subscription is created by calling ConsoleSession::subscribe.
+ */
+
+ /**
+ * Cancel subscriptions to all subscribed agents. After this is called, the subscription
+ * shall be inactive.
+ */
+ QMF_EXTERN void cancel();
+
+ /**
+ * Check to see if this subscription is active. It is active if it has a live subscription
+ * on at least one agent. If it is not active, there is nothing that can be done to make it
+ * active, it can only be deleted.
+ */
+ QMF_EXTERN bool isActive() const;
+
+ /**
+ * lock and unlock should be used to bracket a traversal of the data set. After lock is called,
+ * the subscription will not change its set of available data objects. Between calls to getDataCount
+ * and getData, no data objects will be added or removed. After unlock is called, the set of data
+ * will catch up to any activity that occurred while the lock was in effect.
+ */
+ QMF_EXTERN void lock();
+ QMF_EXTERN void unlock();
+ QMF_EXTERN uint32_t getDataCount() const;
+ QMF_EXTERN Data getData(uint32_t) const;
+
+#ifndef SWIG
+ private:
+ friend class qmf::PrivateImplRef<Subscription>;
+ friend struct SubscriptionImplAccess;
+#endif
+ };
+
+}
+
+#endif