| /* |
| * Copyright (c) 2014 DataTorrent, Inc. ALL Rights Reserved. |
| * |
| * Licensed 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 com.datatorrent.lib.dedup; |
| |
| import com.datatorrent.api.Context; |
| import com.datatorrent.api.DAG; |
| |
| import com.datatorrent.lib.bucket.Bucketable; |
| import com.datatorrent.lib.bucket.Event; |
| import com.datatorrent.lib.bucket.HdfsBucketStore; |
| import com.datatorrent.lib.bucket.NonOperationalBucketStore; |
| |
| /** |
| * {@link Deduper} that uses hdfs to store buckets. |
| * |
| * @since 0.9.5 |
| */ |
| public abstract class DeduperWithHdfsStore<INPUT extends Bucketable & Event, OUTPUT> extends Deduper<INPUT, OUTPUT> |
| { |
| @Override |
| public void setup(Context.OperatorContext context) |
| { |
| boolean stateless = context.getValue(Context.OperatorContext.STATELESS); |
| if (stateless) { |
| bucketManager.setBucketStore(new NonOperationalBucketStore<INPUT>()); |
| } |
| else { |
| ((HdfsBucketStore<INPUT>) bucketManager.getBucketStore()).setConfiguration(context.getId(), context.getValue(DAG.APPLICATION_PATH), partitionKeys, partitionMask); |
| } |
| super.setup(context); |
| } |
| } |