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/**
 * 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.phoenix.trace.util;

import org.apache.hadoop.conf.Configuration;
import org.apache.phoenix.jdbc.PhoenixConnection;

/**
 * Helper class to wrap access to configured properties.
 */
abstract class ConfigurationAdapter {

  public abstract String get(String key, String defaultValue);

  public static class ConnectionConfigurationAdapter extends ConfigurationAdapter {
    private PhoenixConnection conn;

    public ConnectionConfigurationAdapter(PhoenixConnection connection) {
      this.conn = connection;
    }

    @Override
    public String get(String key, String defaultValue) {
      return conn.getQueryServices().getProps().get(key, defaultValue);
    }
  }

  public static class HadoopConfigConfigurationAdapter extends ConfigurationAdapter {
    private Configuration conf;

    public HadoopConfigConfigurationAdapter(Configuration conf) {
      this.conf = conf;
    }

    @Override
    public String get(String key, String defaultValue) {
      return conf.get(key, defaultValue);
    }
  }
}