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.type;
  
  import com.datastax.oss.driver.api.core.CqlIdentifier;
  import com.datastax.oss.driver.api.core.data.UdtValue;
  import com.datastax.oss.driver.api.core.detach.AttachmentPoint;
  import com.datastax.oss.driver.api.core.type.DataType;
  import com.datastax.oss.driver.api.core.type.UserDefinedType;
  import com.datastax.oss.driver.internal.core.data.DefaultUdtValue;
  import com.datastax.oss.driver.internal.core.data.IdentifierIndex;
  import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
  import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableList;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import java.io.IOException;
  import java.io.ObjectInputStream;
  import java.io.Serializable;
  import java.util.List;
  import java.util.Objects;
  import net.jcip.annotations.Immutable;
  
  @Immutable
  public class DefaultUserDefinedType implements UserDefinedType, Serializable {
  
    private static final long serialVersionUID = 1;
  
    /** @serial */
    private final CqlIdentifier keyspace;
    /** @serial */
    private final CqlIdentifier name;
  
    // Data types are only [de]serialized as part of a row, frozenness doesn't matter in that context
    private final transient boolean frozen;
  
    /** @serial */
    private final List<CqlIdentifier> fieldNames;
    /** @serial */
    private final List<DataType> fieldTypes;
  
    private transient IdentifierIndex index;
    private transient volatile AttachmentPoint attachmentPoint;
  
    public DefaultUserDefinedType(
        @NonNull CqlIdentifier keyspace,
        @NonNull CqlIdentifier name,
        boolean frozen,
        List<CqlIdentifier> fieldNames,
        @NonNull List<DataType> fieldTypes,
        @NonNull AttachmentPoint attachmentPoint) {
      Preconditions.checkNotNull(keyspace);
      Preconditions.checkNotNull(name);
      Preconditions.checkNotNull(fieldNames);
      Preconditions.checkNotNull(fieldTypes);
      Preconditions.checkArgument(fieldNames.size() > 0, "Field names list can't be null or empty");
      Preconditions.checkArgument(
          fieldTypes.size() == fieldNames.size(),
          "There should be the same number of field names and types");
      this.keyspace = keyspace;
      this.name = name;
      this.frozen = frozen;
      this.fieldNames = ImmutableList.copyOf(fieldNames);
      this.fieldTypes = ImmutableList.copyOf(fieldTypes);
      this.index = new IdentifierIndex(this.fieldNames);
      this.attachmentPoint = attachmentPoint;
    }
  
    public DefaultUserDefinedType(
        @NonNull CqlIdentifier keyspace,
        @NonNull CqlIdentifier name,
        boolean frozen,
        @NonNull List<CqlIdentifier> fieldNames,
        @NonNull List<DataType> fieldTypes) {
      this(keyspace, name, frozen, fieldNames, fieldTypes, AttachmentPoint.NONE);
    }
  
    @NonNull
    @Override
    public CqlIdentifier getKeyspace() {
      return keyspace;
    }
  
    @NonNull
    @Override
    public CqlIdentifier getName() {
      return name;
    }
  
    @Override
    public boolean isFrozen() {
      return frozen;
    }
  
    @NonNull
    @Override
    public List<CqlIdentifier> getFieldNames() {
      return fieldNames;
    }
  
    @NonNull
    @Override
    public List<Integer> allIndicesOf(@NonNull CqlIdentifier id) {
      return index.allIndicesOf(id);
    }
  
    @Override
    public int firstIndexOf(@NonNull CqlIdentifier id) {
      return index.firstIndexOf(id);
    }
  
    @NonNull
    @Override
    public List<Integer> allIndicesOf(@NonNull String name) {
      return index.allIndicesOf(name);
    }
  
    @Override
    public int firstIndexOf(@NonNull String name) {
      return index.firstIndexOf(name);
    }
  
    @NonNull
    @Override
    public List<DataType> getFieldTypes() {
      return fieldTypes;
    }
  
    @NonNull
    @Override
    public UserDefinedType copy(boolean newFrozen) {
      return (newFrozen == frozen)
          ? this
          : new DefaultUserDefinedType(
              keyspace, name, newFrozen, fieldNames, fieldTypes, attachmentPoint);
    }
  
    @NonNull
    @Override
    public UdtValue newValue() {
      return new DefaultUdtValue(this);
    }
  
    @NonNull
    @Override
    public UdtValue newValue(@NonNull Object... fields) {
      return new DefaultUdtValue(this, fields);
    }
  
    @Override
    public boolean isDetached() {
      return attachmentPoint == AttachmentPoint.NONE;
    }
  
    @Override
    public void attach(@NonNull AttachmentPoint attachmentPoint) {
      this.attachmentPoint = attachmentPoint;
      for (DataType fieldType : fieldTypes) {
        fieldType.attach(attachmentPoint);
      }
    }
  
    @NonNull
    @Override
    public AttachmentPoint getAttachmentPoint() {
      return attachmentPoint;
    }
  
    @Override
    public boolean equals(Object other) {
      if (other == this) {
        return true;
      } else if (other instanceof UserDefinedType) {
        UserDefinedType that = (UserDefinedType) other;
        // frozen is ignored in comparisons
        return this.keyspace.equals(that.getKeyspace())
            && this.name.equals(that.getName())
            && this.fieldNames.equals(that.getFieldNames())
            && this.fieldTypes.equals(that.getFieldTypes());
      } else {
        return false;
      }
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(keyspace, name, fieldNames, fieldTypes);
    }
  
    @Override
    public String toString() {
      return "UDT(" + keyspace.asCql(true) + "." + name.asCql(true) + ")";
    }
  
    private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
      in.defaultReadObject();
      Preconditions.checkNotNull(keyspace);
      Preconditions.checkNotNull(name);
      Preconditions.checkArgument(
          fieldNames != null && fieldNames.size() > 0, "Field names list can't be null or empty");
      Preconditions.checkArgument(
          fieldTypes != null && fieldTypes.size() == fieldNames.size(),
          "There should be the same number of field names and types");
      this.attachmentPoint = AttachmentPoint.NONE;
      this.index = new IdentifierIndex(this.fieldNames);
    }
  }
  