io.deephaven.engine.table.impl.util.reverse.ObjectReverseKernel 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

Engine Table: Implementation and closely-coupled utilities

There is a newer version: 0.37.1

Show newest version

/**
 * Copyright (c) 2016-2022 Deephaven Data Labs and Patent Pending
 */
package io.deephaven.engine.table.impl.util.reverse;

import io.deephaven.chunk.*;
import io.deephaven.chunk.attributes.Any;

public class ObjectReverseKernel {
    public static  void reverse(WritableObjectChunk chunkToReverse) {
        for (int ii = 0; ii < chunkToReverse.size() / 2; ++ii) {
            final int jj = chunkToReverse.size() - ii - 1;
            final Object t = chunkToReverse.get(jj);
            chunkToReverse.set(jj, chunkToReverse.get(ii));
            chunkToReverse.set(ii, t);
        }
    }

    private static class ObjectReverseKernelContext implements ReverseKernel {
        @Override
        public  void reverse(WritableChunk chunkToReverse) {
            ObjectReverseKernel.reverse(chunkToReverse.asWritableObjectChunk());
        }
    }

    public final static ReverseKernel INSTANCE = new ObjectReverseKernelContext();
}