content: /*
   * 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 com.datastax.oss.driver.internal.core.adminrequest;
  
  import com.datastax.oss.driver.api.core.ProtocolVersion;
  import com.datastax.oss.driver.api.core.type.codec.TypeCodec;
  import com.datastax.oss.driver.api.core.type.codec.TypeCodecs;
  import com.datastax.oss.driver.shaded.guava.common.annotations.VisibleForTesting;
  import com.datastax.oss.protocol.internal.ProtocolConstants;
  import com.datastax.oss.protocol.internal.response.result.ColumnSpec;
  import edu.umd.cs.findbugs.annotations.Nullable;
  import java.net.InetAddress;
  import java.nio.ByteBuffer;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  import java.util.UUID;
  import net.jcip.annotations.Immutable;
  
  @Immutable
  public class AdminRow {
  
    @VisibleForTesting
    static final TypeCodec<List<String>> LIST_OF_TEXT = TypeCodecs.listOf(TypeCodecs.TEXT);
  
    private static final TypeCodec<Set<String>> SET_OF_TEXT = TypeCodecs.setOf(TypeCodecs.TEXT);
    private static final TypeCodec<Map<String, String>> MAP_OF_STRING_TO_STRING =
        TypeCodecs.mapOf(TypeCodecs.TEXT, TypeCodecs.TEXT);
  
    private final Map<String, ColumnSpec> columnSpecs;
    private final List<ByteBuffer> data;
    private final ProtocolVersion protocolVersion;
  
    public AdminRow(
        Map<String, ColumnSpec> columnSpecs, List<ByteBuffer> data, ProtocolVersion protocolVersion) {
      this.columnSpecs = columnSpecs;
      this.data = data;
      this.protocolVersion = protocolVersion;
    }
  
    @Nullable
    public Boolean getBoolean(String columnName) {
      return get(columnName, TypeCodecs.BOOLEAN);
    }
  
    @Nullable
    public Integer getInteger(String columnName) {
      return get(columnName, TypeCodecs.INT);
    }
  
    public boolean isString(String columnName) {
      return columnSpecs.get(columnName).type.id == ProtocolConstants.DataType.VARCHAR;
    }
  
    @Nullable
    public String getString(String columnName) {
      return get(columnName, TypeCodecs.TEXT);
    }
  
    @Nullable
    public UUID getUuid(String columnName) {
      return get(columnName, TypeCodecs.UUID);
    }
  
    @Nullable
    public ByteBuffer getByteBuffer(String columnName) {
      return get(columnName, TypeCodecs.BLOB);
    }
  
    @Nullable
    public InetAddress getInetAddress(String columnName) {
      return get(columnName, TypeCodecs.INET);
    }
  
    @Nullable
    public List<String> getListOfString(String columnName) {
      return get(columnName, LIST_OF_TEXT);
    }
  
    @Nullable
    public Set<String> getSetOfString(String columnName) {
      return get(columnName, SET_OF_TEXT);
    }
  
    @Nullable
    public Map<String, String> getMapOfStringToString(String columnName) {
      return get(columnName, MAP_OF_STRING_TO_STRING);
    }
  
    public boolean isNull(String columnName) {
      if (!contains(columnName)) {
        return true;
      } else {
        int index = columnSpecs.get(columnName).index;
        return data.get(index) == null;
      }
    }
  
    public boolean contains(String columnName) {
      return columnSpecs.containsKey(columnName);
    }
  
    @Nullable
    public <T> T get(String columnName, TypeCodec<T> codec) {
      // Minimal checks here: this is for internal use, so the caller should know what they're
      // doing
      if (!contains(columnName)) {
        return null;
      } else {
        int index = columnSpecs.get(columnName).index;
        return codec.decode(data.get(index), protocolVersion);
      }
    }
  }
  