content: /*
   *
   *  * Copyright 2020 Alibaba Group Holding Limited.
   *  *
   *  * Licensed 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.alibaba.graphscope.common.ir.meta;
  
  import com.alibaba.graphscope.common.ir.meta.procedure.GraphStoredProcedures;
  import com.alibaba.graphscope.common.ir.meta.schema.IrGraphSchema;
  import com.alibaba.graphscope.groot.common.schema.api.GraphStatistics;
  
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  /**
   * This class describes all metadata information required by IR, including Schema, Procedures and Statistics.
   */
  public class IrMetaStats extends IrMeta {
      private final @Nullable GraphStatistics statistics;
  
      public IrMetaStats(
              SnapshotId snapshotId,
              IrGraphSchema schema,
              GraphStoredProcedures storedProcedures,
              GraphStatistics statistics) {
          this(GraphId.DEFAULT, snapshotId, schema, storedProcedures, statistics);
      }
  
      public IrMetaStats(
              GraphId graphId,
              SnapshotId snapshotId,
              IrGraphSchema schema,
              GraphStoredProcedures storedProcedures,
              GraphStatistics statistics) {
          super(graphId, snapshotId, schema, storedProcedures);
          this.statistics = statistics;
      }
  
      public @Nullable GraphStatistics getStatistics() {
          return this.statistics;
      }
  }
  