@@ -0,0 +1,1829 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one%0A * or more contributor license agreements.  See the NOTICE file%0A * distributed with this work for additional information%0A * regarding copyright ownership.  The ASF licenses this file%0A * to you under the Apache License, Version 2.0 (the%0A * %22License%22); you may not use this file except in compliance%0A * with the License.  You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage org.apache.cassandra.streaming;%0A%0Aimport java.util.UUID;%0A%0A/**%0A * StreamTask is an abstraction of the streaming task performed over specific ColumnFamily.%0A */%0Apublic abstract class StreamTask%0A%7B%0A    /** StreamSession that this task belongs */%0A    protected final StreamSession session;%0A%0A    protected final UUID cfId;%0A%0A    protected StreamTask(StreamSession session, UUID cfId)%0A    %7B%0A        this.session = session;%0A        this.cfId = cfId;%0A    %7D%0A%0A    /**%0A     * @return total number of files this task receives/streams.%0A     */%0A    public abstract int getTotalNumberOfFiles();%0A%0A    /**%0A     * @return total bytes expected to receive%0A     */%0A    public abstract long getTotalSize();%0A%0A    /**%0A     * Abort the task.%0A     * Subclass should implement cleaning up resources.%0A     */%0A    public abstract void abort();%0A%0A    /**%0A     * @return StreamSummary that describes this task%0A     */%0A    public StreamSummary getSummary()%0A    %7B%0A        return new StreamSummary(cfId, getTotalNumberOfFiles(), getTotalSize());%0A    %7D%0A%7D%0A

Add StreamTask.java