io.deephaven.chunk.ResettableWritableCharChunkChunk Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of deephaven-engine-chunk Show documentation

Engine Chunks: Array-like data structures for dense, efficient data movement

The newest version!

//
// Copyright (c) 2016-2024 Deephaven Data Labs and Patent Pending
//
package io.deephaven.chunk;

import io.deephaven.chunk.attributes.Any;


public class ResettableWritableCharChunkChunk extends WritableCharChunkChunk
        implements ResettableWritableChunkChunk {

    public static  ResettableWritableCharChunkChunk makeResettableChunk() {
        return new ResettableWritableCharChunkChunk<>();
    }

    private ResettableWritableCharChunkChunk(WritableCharChunk[] data, int offset, int capacity) {
        super(data, offset, capacity);
    }

    private ResettableWritableCharChunkChunk() {
        this(WritableCharChunk.getEmptyChunkArray(), 0, 0);
    }

    @Override
    public ResettableWritableCharChunkChunk slice(int offset, int capacity) {
        ChunkHelpers.checkSliceArgs(size, offset, capacity);
        return new ResettableWritableCharChunkChunk<>(writableData, this.offset + offset, capacity);
    }

    @Override
    public final void resetFromChunk(WritableChunkChunk other, int offset, int capacity) {
        resetFromTypedChunk(other.asWritableCharChunkChunk(), offset, capacity);
    }

    @Override
    public final void resetFromArray(Object array, int offset, int capacity) {
        // noinspection unchecked
        final WritableCharChunk[] typedArray = (WritableCharChunk[]) array;
        resetFromTypedArray(typedArray, offset, capacity);
    }

    public final void resetFromTypedChunk(WritableCharChunkChunk other, int offset, int capacity) {
        ChunkHelpers.checkSliceArgs(other.size, offset, capacity);
        resetFromTypedArray(other.writableData, other.offset + offset, capacity);
    }

    public final void resetFromTypedArray(WritableCharChunk[] data, int offset, int capacity) {
        ChunkHelpers.checkArrayArgs(data.length, offset, capacity);
        final int oldCapacity = this.capacity;
        this.data = data;
        this.writableData = data;
        this.offset = offset;
        this.capacity = capacity;
        this.size = capacity;
        resetInnerCache(data, offset, oldCapacity, capacity);
    }
}