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+/*
+ *
+ * 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.qmf2.agent;
+
+import java.util.Map;
+
+// QMF2 Imports
+import org.apache.qpid.qmf2.common.Handle;
+import org.apache.qpid.qmf2.common.WorkItem;
+
+/**
+ * Descriptions below are taken from <a href=https://cwiki.apache.org/confluence/display/qpid/QMFv2+API+Proposal>QMF2 API Proposal</a>
+ * <pre>
+ * SUBSCRIBE_REQUEST: The SUBSCRIBE_REQUEST WorkItem provides a query that the agent application must periodically
+ * publish until the subscription is cancelled or expires. On receipt of this WorkItem, the
+ * application should call the Agent subscriptionResponse() method to acknowledge the request.
+ * On each publish interval, the application should call Agent subscriptionIndicate(), passing a
+ * list of the objects that satisfy the query. The subscription remains in effect until an
+ * UNSUBSCRIBE_REQUEST WorkItem for the subscription is received, or the subscription expires.
+ *
+ * The getParams() method of a QUERY WorkItem will return an instance of the SubscriptionParams class.
+ *
+ * The getHandle() WorkItem method returns the reply handle which should be passed to the Agent's
+ * subscriptionResponse() method.
+ * </pre>
+ * @author Fraser Adams
+ */
+
+public final class SubscribeRequestWorkItem extends WorkItem
+{
+ /**
+ * Construct a SubscribeRequestWorkItem. Convenience constructor not in API
+ *
+ * @param handle the reply handle
+ * @param params the SubscriptionParams used to populate the WorkItem's param
+ */
+ public SubscribeRequestWorkItem(final Handle handle, final SubscriptionParams params)
+ {
+ super(WorkItemType.SUBSCRIBE_REQUEST, handle, params);
+ }
+
+ /**
+ * Return the SubscriptionParams stored in the params Map.
+ * @return the SubscriptionParams stored in the params Map.
+ */
+ public SubscriptionParams getSubscriptionParams()
+ {
+ return (SubscriptionParams)getParams();
+ }
+}
+