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/*
 * ---------------------------------------------------------------------------------------------------------------------
 * AUTO-GENERATED CLASS - DO NOT EDIT MANUALLY - for any changes edit ShortCumMinMaxOperator and regenerate
 * ---------------------------------------------------------------------------------------------------------------------
 */
package io.deephaven.engine.table.impl.updateby.minmax;

import io.deephaven.base.verify.Assert;
import io.deephaven.chunk.Chunk;
import io.deephaven.chunk.DoubleChunk;
import io.deephaven.chunk.attributes.Values;
import io.deephaven.engine.table.impl.MatchPair;
import io.deephaven.engine.table.impl.updateby.UpdateByOperator;
import io.deephaven.engine.table.impl.updateby.internal.BaseDoubleUpdateByOperator;
import org.jetbrains.annotations.NotNull;

import static io.deephaven.util.QueryConstants.*;

public class DoubleCumMinMaxOperator extends BaseDoubleUpdateByOperator {
    private final boolean isMax;

    // region extra-fields
    // endregion extra-fields

    protected class Context extends BaseDoubleUpdateByOperator.Context {
        public DoubleChunk doubleValueChunk;

        protected Context(final int chunkSize) {
            super(chunkSize);
        }

        @Override
        public void setValueChunks(@NotNull final Chunk[] valueChunks) {
            doubleValueChunk = valueChunks[0].asDoubleChunk();
        }

        @Override
        public void push(int pos, int count) {
            Assert.eq(count, "push count", 1);

            final double val = doubleValueChunk.get(pos);

            if (curVal == NULL_DOUBLE) {
                curVal = val;
            } else if (val != NULL_DOUBLE) {
                if ((isMax && val > curVal) ||
                        (!isMax && val < curVal)) {
                    curVal = val;
                }
            }
        }
    }

    public DoubleCumMinMaxOperator(
            @NotNull final MatchPair pair,
            final boolean isMax
            // region extra-constructor-args
            // endregion extra-constructor-args
    ) {
        super(pair, new String[] { pair.rightColumn });
        this.isMax = isMax;
        // region constructor
        // endregion constructor
    }

    @Override
    public UpdateByOperator copy() {
        return new DoubleCumMinMaxOperator(
                pair,
                isMax
                // region extra-copy-args
                // endregion extra-copy-args
        );
    }

    @NotNull
    @Override
    public UpdateByOperator.Context makeUpdateContext(final int affectedChunkSize, final int influencerChunkSize) {
        return new Context(affectedChunkSize);
    }

    // region extra-methods
    // endregion extra-methods
}