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 org.apache.asterix.metadata.entities;
  
  import java.util.Objects;
  
  import org.apache.asterix.common.metadata.DataverseName;
  import org.apache.asterix.metadata.MetadataCache;
  import org.apache.asterix.metadata.api.IMetadataEntity;
  import org.apache.asterix.metadata.utils.Creator;
  
  /**
   * Metadata describing a dataverse.
   */
  public class Dataverse implements IMetadataEntity<Dataverse> {
  
      private static final long serialVersionUID = 3L;
      private final String databaseName;
      private final DataverseName dataverseName;
      private final String dataFormat;
      private final int pendingOp;
      private final Creator creator;
  
      public Dataverse(String databaseName, DataverseName dataverseName, String format, int pendingOp, Creator creator) {
          this.databaseName = Objects.requireNonNull(databaseName);
          this.dataverseName = dataverseName;
          this.dataFormat = format;
          this.pendingOp = pendingOp;
          this.creator = creator;
      }
  
      public String getDatabaseName() {
          return databaseName;
      }
  
      public DataverseName getDataverseName() {
          return dataverseName;
      }
  
      public String getDataFormat() {
          return dataFormat;
      }
  
      public int getPendingOp() {
          return pendingOp;
      }
  
      public Creator getCreator() {
          return creator;
      }
  
      @Override
      public Dataverse addToCache(MetadataCache cache) {
          return cache.addDataverseIfNotExists(this);
      }
  
      @Override
      public Dataverse dropFromCache(MetadataCache cache) {
          return cache.dropDataverse(this);
      }
  
      @Override
      public String toString() {
          return getClass().getSimpleName() + ":" + databaseName + ":" + dataverseName;
      }
  
      @Override
      public boolean equals(Object o) {
          if (!(o instanceof Dataverse)) {
              return false;
          }
          Dataverse other = (Dataverse) o;
          return Objects.equals(databaseName, other.databaseName) && dataverseName.equals(other.getDataverseName());
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(databaseName, dataverseName);
      }
  }
  