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.column.operation.lsm.flush;
  
  import org.apache.asterix.om.lazy.RecordLazyVisitablePointable;
  import org.apache.asterix.om.lazy.TypedRecordLazyVisitablePointable;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.storage.am.lsm.btree.column.cloud.buffercache.IColumnWriteContext;
  import org.apache.hyracks.storage.am.lsm.btree.tuples.LSMBTreeTupleReference;
  
  public class FlushColumnTupleWithMetaWriter extends FlushColumnTupleWriter {
      private final ColumnTransformer metaColumnTransformer;
      private final RecordLazyVisitablePointable metaPointable;
  
      public FlushColumnTupleWithMetaWriter(FlushColumnMetadata columnMetadata, int pageSize, int maxNumberOfTuples,
              double tolerance, int maxLeafNodeSize, IColumnWriteContext writeContext) {
          super(columnMetadata, pageSize, maxNumberOfTuples, tolerance, maxLeafNodeSize, writeContext);
          metaColumnTransformer =
                  new ColumnTransformer(columnMetadata, columnMetadata.getMetaRoot(), presentColumnsIndexes);
          metaPointable = new TypedRecordLazyVisitablePointable(columnMetadata.getMetaType());
      }
  
      @Override
      protected void writeMeta(LSMBTreeTupleReference btreeTuple) throws HyracksDataException {
          if (btreeTuple.isAntimatter()) {
              return;
          }
  
          int metaFieldId = columnMetadata.getMetaRecordFieldIndex();
          metaPointable.set(btreeTuple.getFieldData(metaFieldId), btreeTuple.getFieldStart(metaFieldId),
                  btreeTuple.getFieldLength(metaFieldId));
          //In case the primary key is not in the meta part, we take the maximum
          primaryKeysEstimatedSize = Math.max(metaColumnTransformer.transform(metaPointable), primaryKeysEstimatedSize);
      }
  }
  