/*
 * 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.driver.core;

/** A value for a User Defined Type. */
public class UDTValue extends AbstractData<UDTValue> {

  private final UserType definition;

  UDTValue(UserType definition) {
    super(definition.getProtocolVersion(), definition.size());
    this.definition = definition;
  }

  @Override
  protected DataType getType(int i) {
    return definition.byIdx[i].getType();
  }

  @Override
  protected String getName(int i) {
    return definition.byIdx[i].getName();
  }

  @Override
  protected CodecRegistry getCodecRegistry() {
    return definition.getCodecRegistry();
  }

  @Override
  protected int[] getAllIndexesOf(String name) {
    int[] indexes = definition.byName.get(Metadata.handleId(name));
    if (indexes == null)
      throw new IllegalArgumentException(name + " is not a field defined in this UDT");
    return indexes;
  }

  /**
   * The UDT this is a value of.
   *
   * @return the UDT this is a value of.
   */
  public UserType getType() {
    return definition;
  }

  @Override
  public boolean equals(Object o) {
    if (!(o instanceof UDTValue)) return false;

    UDTValue that = (UDTValue) o;
    if (!definition.equals(that.definition)) return false;

    return super.equals(o);
  }

  @Override
  public int hashCode() {
    return super.hashCode();
  }

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder();
    TypeCodec<Object> codec = getCodecRegistry().codecFor(definition);
    sb.append(codec.format(this));
    return sb.toString();
  }
}
