metron-interface/metron-rest/src/main/java/org/apache/metron/rest/config/HBaseConfig.java

/**
 * 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.rest.config;

import static org.apache.metron.rest.MetronRestConstants.TEST_PROFILE;

import java.lang.reflect.InvocationTargetException;
import java.util.Map;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.metron.common.configuration.EnrichmentConfigurations;
import org.apache.metron.hbase.HTableProvider;
import org.apache.metron.hbase.TableProvider;
import org.apache.metron.hbase.client.HBaseClient;
import org.apache.metron.rest.RestException;
import org.apache.metron.rest.service.GlobalConfigService;
import org.apache.metron.rest.user.UserSettingsClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;

@Configuration
@Profile("!" + TEST_PROFILE)
public class HBaseConfig {

    @Autowired
    private GlobalConfigService globalConfigService;

    @Autowired
    public HBaseConfig(GlobalConfigService globalConfigService) {
        this.globalConfigService = globalConfigService;
    }

    @Bean()
    public UserSettingsClient userSettingsClient() {
      UserSettingsClient userSettingsClient = new UserSettingsClient();
      userSettingsClient.init(() -> {
        try {
          return globalConfigService.get();
        } catch (RestException e) {
          throw new IllegalStateException("Unable to retrieve the global config.", e);
        }
      }, getTableProvider());
      return userSettingsClient;
    }

    // Used for testing
    protected HTableProvider getTableProvider() {
        return new HTableProvider();
    }

    @Bean()
    public HBaseClient hBaseClient() {
      Map<String, Object> restConfig = null;
      try {
        restConfig = globalConfigService.get();
      } catch (RestException e) {
        throw new IllegalStateException("Unable to retrieve the global config.", e);
      }
      TableProvider provider = null;
      try {
        provider = TableProvider
            .create((String) restConfig.get(EnrichmentConfigurations.TABLE_PROVIDER),
                HTableProvider::new);
      } catch (ClassNotFoundException | InstantiationException | InvocationTargetException | IllegalAccessException | NoSuchMethodException e) {
        throw new IllegalStateException("Unable to create table provider", e);
      }
      return new HBaseClient(provider, HBaseConfiguration.create(),
          (String) restConfig.get(EnrichmentConfigurations.TABLE_NAME));
    }

}