| /** |
| * 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.metron.enrichment.adapters.simplehbase; |
| |
| |
| import com.google.common.collect.Iterables; |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.lang.invoke.MethodHandles; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| import org.apache.metron.common.utils.LazyLogger; |
| import org.apache.metron.common.utils.LazyLoggerFactory; |
| import org.apache.metron.enrichment.cache.CacheKey; |
| import org.apache.metron.enrichment.converter.EnrichmentKey; |
| import org.apache.metron.enrichment.converter.EnrichmentValue; |
| import org.apache.metron.enrichment.interfaces.EnrichmentAdapter; |
| import org.apache.metron.enrichment.lookup.EnrichmentLookup; |
| import org.apache.metron.enrichment.lookup.LookupKV; |
| import org.apache.metron.enrichment.lookup.accesstracker.NoopAccessTracker; |
| import org.apache.metron.enrichment.utils.EnrichmentUtils; |
| import org.json.simple.JSONObject; |
| |
| public class SimpleHBaseAdapter implements EnrichmentAdapter<CacheKey>,Serializable { |
| protected static final LazyLogger LOG = LazyLoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| protected SimpleHBaseConfig config; |
| protected EnrichmentLookup lookup; |
| |
| public SimpleHBaseAdapter() { |
| } |
| public SimpleHBaseAdapter(SimpleHBaseConfig config) { |
| withConfig(config); |
| } |
| |
| public SimpleHBaseAdapter withConfig(SimpleHBaseConfig config) { |
| this.config = config; |
| return this; |
| } |
| |
| @Override |
| public void logAccess(CacheKey value) { |
| } |
| |
| |
| public boolean isInitialized() { |
| return lookup != null && lookup.getTable() != null; |
| } |
| @Override |
| public JSONObject enrich(CacheKey value) { |
| JSONObject enriched = new JSONObject(); |
| if(!isInitialized()) { |
| initializeAdapter(null); |
| } |
| List<String> enrichmentTypes = value.getConfig() |
| .getEnrichment().getFieldToTypeMap() |
| .get(EnrichmentUtils.toTopLevelField(value.getField())); |
| if(isInitialized() && enrichmentTypes != null && value.getValue() != null) { |
| try { |
| for (LookupKV<EnrichmentKey, EnrichmentValue> kv : |
| lookup.get(Iterables.transform(enrichmentTypes |
| , new EnrichmentUtils.TypeToKey( value.coerceValue(String.class) |
| , lookup.getTable() |
| , value.getConfig().getEnrichment() |
| ) |
| ) |
| , false |
| ) |
| ) |
| { |
| if (kv != null && kv.getValue() != null && kv.getValue().getMetadata() != null) { |
| for (Map.Entry<String, Object> values : kv.getValue().getMetadata().entrySet()) { |
| enriched.put(kv.getKey().type + "." + values.getKey(), values.getValue()); |
| } |
| LOG.trace("Enriched type {} => {}", () -> kv.getKey().type, ()->enriched); |
| } |
| } |
| } |
| catch (IOException e) { |
| LOG.error("Unable to retrieve value: {}", e.getMessage(), e); |
| initializeAdapter(null); |
| throw new RuntimeException("Unable to retrieve value: " + e.getMessage(), e); |
| } |
| } |
| LOG.trace("SimpleHBaseAdapter succeeded: {}", enriched); |
| return enriched; |
| } |
| |
| @Override |
| public boolean initializeAdapter(Map<String, Object> configuration) { |
| String hbaseTable = config.getHBaseTable(); |
| Configuration hbaseConfig = HBaseConfiguration.create(); |
| try { |
| lookup = new EnrichmentLookup( config.getProvider().getTable(hbaseConfig, hbaseTable) |
| , config.getHBaseCF() |
| , new NoopAccessTracker() |
| ); |
| } catch (IOException e) { |
| LOG.error("Unable to initialize adapter: {}", e.getMessage(), e); |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public void updateAdapter(Map<String, Object> config) { |
| } |
| |
| @Override |
| public void cleanup() { |
| try { |
| lookup.close(); |
| } catch (Exception e) { |
| LOG.error("Unable to cleanup access tracker", e); |
| } |
| } |
| |
| @Override |
| public String getOutputPrefix(CacheKey value) { |
| return value.getField(); |
| } |
| } |