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/**
 * Copyright (c) 2016-2022 Deephaven Data Labs and Patent Pending
 */
/*
 * ---------------------------------------------------------------------------------------------------------------------
 * AUTO-GENERATED CLASS - DO NOT EDIT MANUALLY - for any changes edit CharAggregateColumnSource and regenerate
 * ---------------------------------------------------------------------------------------------------------------------
 */
package io.deephaven.engine.table.impl.sources.aggregate;

import io.deephaven.engine.rowset.RowSequence;
import io.deephaven.vector.DoubleVector;
import io.deephaven.engine.table.impl.vector.DoubleVectorColumnWrapper;
import io.deephaven.engine.table.ColumnSource;
import io.deephaven.chunk.attributes.Values;
import io.deephaven.chunk.ObjectChunk;
import io.deephaven.chunk.WritableChunk;
import io.deephaven.chunk.WritableObjectChunk;
import io.deephaven.engine.rowset.RowSet;
import org.jetbrains.annotations.NotNull;

/**
 * {@link ColumnSource} implementation for aggregation result double columns.
 */
public final class DoubleAggregateColumnSource extends BaseAggregateColumnSource {

    DoubleAggregateColumnSource(@NotNull final ColumnSource aggregatedSource,
            @NotNull final ColumnSource groupRowSetSource) {
        super(DoubleVector.class, aggregatedSource, groupRowSetSource);
    }

    @Override
    public DoubleVector get(final long rowKey) {
        if (rowKey == RowSequence.NULL_ROW_KEY) {
            return null;
        }
        return new DoubleVectorColumnWrapper(aggregatedSource, groupRowSetSource.get(rowKey));
    }

    @Override
    public DoubleVector getPrev(final long rowKey) {
        if (rowKey == RowSequence.NULL_ROW_KEY) {
            return null;
        }
        return new DoubleVectorColumnWrapper(aggregatedSourcePrev, getPrevGroupRowSet(rowKey));
    }

    @Override
    public void fillChunk(
            @NotNull final FillContext context,
            @NotNull final WritableChunk destination,
            @NotNull final RowSequence rowSequence) {
        final ObjectChunk groupRowSetChunk = groupRowSetSource
                .getChunk(((AggregateFillContext) context).groupRowSetGetContext, rowSequence).asObjectChunk();
        final WritableObjectChunk typedDestination = destination.asWritableObjectChunk();
        final int size = rowSequence.intSize();
        for (int di = 0; di < size; ++di) {
            typedDestination.set(di, new DoubleVectorColumnWrapper(aggregatedSource, groupRowSetChunk.get(di)));
        }
        typedDestination.setSize(size);
    }

    @Override
    public void fillPrevChunk(
            @NotNull final FillContext context,
            @NotNull final WritableChunk destination,
            @NotNull final RowSequence rowSequence) {
        final ObjectChunk groupRowSetPrevChunk = groupRowSetSource
                .getPrevChunk(((AggregateFillContext) context).groupRowSetGetContext, rowSequence).asObjectChunk();
        final WritableObjectChunk typedDestination = destination.asWritableObjectChunk();
        final int size = rowSequence.intSize();
        for (int di = 0; di < size; ++di) {
            final RowSet groupRowSetPrev = groupRowSetPrevChunk.get(di);
            final RowSet groupRowSetToUse = groupRowSetPrev.isTracking()
                    ? groupRowSetPrev.trackingCast().prev()
                    : groupRowSetPrev;
            typedDestination.set(di, new DoubleVectorColumnWrapper(aggregatedSourcePrev, groupRowSetToUse));
        }
        typedDestination.setSize(size);
    }
}