Github user kchilton2 commented on a diff in the pull request:
https://github.com/apache/incubator-rya/pull/257#discussion_r160242820
--- Diff:
extras/rya.streams/api/src/main/java/org/apache/rya/streams/api/interactor/StartQuery.java
---
@@ -0,0 +1,41 @@
+/*
+ * 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.rya.streams.api.interactor;
+
+import java.util.UUID;
+
+import org.apache.rya.streams.api.exception.RyaStreamsException;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * Starts processing a query in Rya Streams.
+ */
+@DefaultAnnotation(NonNull.class)
+public interface StartQuery {
--- End diff --
Start query indicates the query execution system that is running in the
background should ensure that query is being processed. The RunQuery command
will execute the query using the invoking thread.
---
