| /* |
| * 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.eagle.log.entity.old; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.eagle.log.base.taggedlog.TaggedLogAPIEntity; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.eagle.log.base.taggedlog.TaggedLogObjectMapper; |
| import org.apache.eagle.log.entity.InternalLog; |
| import org.apache.eagle.common.EagleBase64Wrapper; |
| |
| public class GenericByRowkeyReader { |
| private static final Logger LOG = LoggerFactory.getLogger(GenericByRowkeyReader.class); |
| |
| private TaggedLogObjectMapper mapper; |
| private String table; |
| private String columnFamily; |
| private boolean outputAll; |
| private List<String> outputColumns; |
| private GenericReader.EntityFactory entityFactory; |
| |
| public GenericByRowkeyReader(TaggedLogObjectMapper mapper, GenericReader.EntityFactory entityFactory, |
| String table, String columnFamily, boolean outputAll, |
| List<String> outputColumns) { |
| this.mapper = mapper; |
| this.entityFactory = entityFactory; |
| this.table = table; |
| this.columnFamily = columnFamily; |
| this.outputAll = outputAll; |
| this.outputColumns = outputColumns; |
| } |
| |
| public List<TaggedLogAPIEntity> read(List<String> rowkeys) throws IOException { |
| HBaseLogByRowkeyReader reader = new HBaseLogByRowkeyReader(this.table, this.columnFamily, outputAll, |
| outputColumns); |
| List<TaggedLogAPIEntity> entities = new ArrayList<TaggedLogAPIEntity>(); |
| try { |
| reader.open(); |
| for (String rowkeyString : rowkeys) { |
| byte[] rowkey = EagleBase64Wrapper.decode(rowkeyString); |
| InternalLog log = reader.get(rowkey); |
| TaggedLogAPIEntity entity = entityFactory.create(); |
| entities.add(entity); |
| entity.setTags(log.getTags()); |
| entity.setTimestamp(log.getTimestamp()); |
| entity.setEncodedRowkey(log.getEncodedRowkey()); |
| entity.setPrefix(log.getPrefix()); |
| Map<String, byte[]> qualifierValues = log.getQualifierValues(); |
| mapper.populateQualifierValues(entity, qualifierValues); |
| } |
| } catch (IOException ex) { |
| LOG.error("Fail read by rowkey", ex); |
| throw ex; |
| } finally { |
| reader.close(); |
| } |
| |
| return entities; |
| } |
| } |