io.deephaven.engine.table.impl.updateby.prod.ByteCumProdOperator Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of deephaven-engine-table Show documentation
Show all versions of deephaven-engine-table Show documentation
Engine Table: Implementation and closely-coupled utilities
/*
* ---------------------------------------------------------------------------------------------------------------------
* AUTO-GENERATED CLASS - DO NOT EDIT MANUALLY - for any changes edit ShortCumProdOperator and regenerate
* ---------------------------------------------------------------------------------------------------------------------
*/
package io.deephaven.engine.table.impl.updateby.prod;
import io.deephaven.base.verify.Assert;
import io.deephaven.chunk.Chunk;
import io.deephaven.chunk.ByteChunk;
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.BaseLongUpdateByOperator;
import io.deephaven.engine.table.impl.util.RowRedirection;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import static io.deephaven.util.QueryConstants.NULL_LONG;
import static io.deephaven.util.QueryConstants.NULL_BYTE;
public class ByteCumProdOperator extends BaseLongUpdateByOperator {
// region extra-fields
final byte nullValue;
// endregion extra-fields
protected class Context extends BaseLongUpdateByOperator.Context {
public ByteChunk extends Values> byteValueChunk;
protected Context(final int chunkSize) {
super(chunkSize);
}
@Override
public void setValueChunks(@NotNull final Chunk extends Values>[] valueChunks) {
byteValueChunk = valueChunks[0].asByteChunk();
}
@Override
public void push(int pos, int count) {
Assert.eq(count, "push count", 1);
final byte val = byteValueChunk.get(pos);
if (val != nullValue) {
curVal = curVal == NULL_LONG ? val : curVal * val;
}
}
}
public ByteCumProdOperator(@NotNull final MatchPair pair,
@Nullable final RowRedirection rowRedirection
// region extra-constructor-args
,final byte nullValue
// endregion extra-constructor-args
) {
super(pair, new String[] { pair.rightColumn }, rowRedirection);
// region constructor
this.nullValue = nullValue;
// endregion constructor
}
@NotNull
@Override
public UpdateByOperator.Context makeUpdateContext(final int affectedChunkSize, final int influencerChunkSize) {
return new Context(affectedChunkSize);
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy