| package org.apache.helix; |
| /* |
| * 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. |
| */ |
| |
| import java.io.IOException; |
| |
| public interface BucketDataAccessor { |
| |
| /** |
| * Write a HelixProperty in buckets, compressed. |
| * @param path path to which the metadata will be written to |
| * @param value HelixProperty to write |
| * @param <T> |
| * @throws IOException |
| */ |
| <T extends HelixProperty> boolean compressedBucketWrite(String path, T value) throws IOException; |
| |
| /** |
| * Read a HelixProperty that was written in buckets, compressed. |
| * @param path |
| * @param helixPropertySubType the subtype of HelixProperty the data was written in |
| * @param <T> |
| */ |
| <T extends HelixProperty> HelixProperty compressedBucketRead(String path, |
| Class<T> helixPropertySubType); |
| |
| /** |
| * Delete the HelixProperty in the given path. |
| * @param path |
| */ |
| void compressedBucketDelete(String path); |
| |
| /** |
| * Close the connection to the metadata store. |
| */ |
| void disconnect(); |
| } |