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Engine Table: Implementation and closely-coupled utilities
/**
* Copyright (c) 2016-2022 Deephaven Data Labs and Patent Pending
*/
/*
* ---------------------------------------------------------------------------------------------------------------------
* AUTO-GENERATED CLASS - DO NOT EDIT MANUALLY - for any changes edit ColumnRegionChar and regenerate
* ---------------------------------------------------------------------------------------------------------------------
*/
package io.deephaven.engine.table.impl.sources.regioned;
import io.deephaven.chunk.attributes.Any;
import io.deephaven.chunk.ChunkType;
import io.deephaven.chunk.WritableChunk;
import io.deephaven.engine.page.PagingContextHolder;
import io.deephaven.util.QueryConstants;
import io.deephaven.util.annotations.FinalDefault;
import org.jetbrains.annotations.NotNull;
/**
* Column region interface for regions that support fetching primitive ints.
*/
public interface ColumnRegionInt extends ColumnRegion {
/**
* Get a single int from this region.
*
* @param elementIndex Element row key in the table's address space
* @return The int value at the specified element row key
*/
int getInt(long elementIndex);
/**
* Get a single int from this region.
*
* @param context A {@link PagingContextHolder} to enable resource caching where suitable, with current
* region index pointing to this region
* @param elementIndex Element row key in the table's address space
* @return The int value at the specified element row key
*/
default int getInt(@NotNull final FillContext context, final long elementIndex) {
return getInt(elementIndex);
}
@Override
@FinalDefault
default ChunkType getChunkType() {
return ChunkType.Int;
}
static ColumnRegionInt createNull(final long pageMask) {
//noinspection unchecked
return pageMask == Null.DEFAULT_INSTANCE.mask() ? Null.DEFAULT_INSTANCE : new Null(pageMask);
}
final class Null extends ColumnRegion.Null implements ColumnRegionInt {
@SuppressWarnings("rawtypes")
private static final ColumnRegionInt DEFAULT_INSTANCE = new ColumnRegionInt.Null(RegionedColumnSourceBase.PARAMETERS.regionMask);
private Null(final long pageMask) {
super(pageMask);
}
@Override
public int getInt(final long elementIndex) {
return QueryConstants.NULL_INT;
}
}
final class Constant
extends GenericColumnRegionBase
implements ColumnRegionInt, WithDefaultsForRepeatingValues {
private final int value;
public Constant(final long pageMask, final int value) {
super(pageMask);
this.value = value;
}
@Override
public int getInt(final long elementIndex) {
return value;
}
@Override
public void fillChunkAppend(@NotNull final FillContext context, @NotNull final WritableChunk super ATTR> destination, final int length) {
final int offset = destination.size();
destination.asWritableIntChunk().fillWithValue(offset, length, value);
destination.setSize(offset + length);
}
}
final class StaticPageStore
extends RegionedPageStore.Static>
implements ColumnRegionInt {
public StaticPageStore(@NotNull final Parameters parameters, @NotNull final ColumnRegionInt[] regions) {
super(parameters, regions);
}
@Override
public void invalidate() {
for(int ii = 0; ii < getRegionCount(); ii++) {
getRegion(ii).invalidate();
}
}
@Override
public int getInt(final long elementIndex) {
return lookupRegion(elementIndex).getInt(elementIndex);
}
@Override
public int getInt(@NotNull final FillContext context, final long elementIndex) {
return lookupRegion(elementIndex).getInt(context, elementIndex);
}
}
}
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