http://git-wip-us.apache.org/repos/asf/incubator-myriad/blob/b5b468b9/myriad-commons/src/main/java/org/apache/mesos/v1/scheduler/Mesos.java
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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.mesos.v1.scheduler;
+
+import org.apache.mesos.v1.scheduler.Protos.Call;
+
+/**
+ * Abstract interface for connecting a scheduler to Mesos. This interface
+ * is used to send Call's to Mesos (e.g., launch tasks, kill tasks, etc.).
+ */
+public interface Mesos {
+ /**
+ * Sends a Call to the Mesos master. The scheduler should only invoke this
+ * method once it has received the 'connected' callback. Otherwise, all
calls
+ * would be dropped while disconnected.
+ *
+ * Some local validation of calls is performed which may generate
+ * events without ever being sent to the master.
+ *
+ * These comments are copied from include/mesos/v1/scheduler.hpp and should
+ * be kept in sync.
+ */
+ void send(Call call);
+
+ /**
+ * Force a reconnection with the Mesos master.
+ *
+ * In the case of a one-way network partition, the connection between the
+ * scheduler and master might not necessarily break. If the scheduler
detects
+ * a partition, due to lack of `HEARTBEAT` events (e.g., 5) within a time
+ * window, it can explicitly ask the library to force a reconnection with
+ * the master.
+ *
+ * This call would be ignored if the scheduler is already disconnected with
+ * the master (e.g., no new master has been elected). Otherwise, the
scheduler
+ * would get a 'disconnected' callback followed by a 'connected' callback.
+ *
+ * These comments are copied from include/mesos/v1/scheduler.hpp and should
+ * be kept in sync.
+ */
+ void reconnect();
+}
