cassandra-analytics-core/src/main/java/org/apache/cassandra/spark/cdc/CdcRowIterator.java

/*
 * 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
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package org.apache.cassandra.spark.cdc;

import java.util.ArrayList;
import java.util.List;

import org.apache.cassandra.spark.data.DataLayer;
import org.apache.cassandra.spark.sparksql.SparkCellIterator;
import org.apache.cassandra.spark.sparksql.SparkRowIterator;
import org.apache.cassandra.spark.sparksql.filters.CdcOffsetFilter;
import org.apache.cassandra.spark.sparksql.filters.PartitionKeyFilter;
import org.apache.spark.sql.types.StructType;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public class CdcRowIterator extends SparkRowIterator
{
    public CdcRowIterator(int partitionId,
                          @NotNull DataLayer dataLayer,
                          @Nullable StructType requiredSchema,
                          @Nullable CdcOffsetFilter cdcOffsetFilter)
    {
        super(partitionId, dataLayer, requiredSchema, new ArrayList<>(), cdcOffsetFilter);
    }

    @Override
    protected SparkCellIterator buildCellIterator(int partitionId,
                                                  @NotNull DataLayer dataLayer,
                                                  @Nullable StructType columnFilter,
                                                  @NotNull List<PartitionKeyFilter> partitionKeyFilters,
                                                  @Nullable CdcOffsetFilter cdcOffsetFilter)
    {
        return new CdcCellIterator(partitionId, dataLayer, columnFilter, partitionKeyFilters, cdcOffsetFilter);
    }
}