io.deephaven.chunk.util.pools.ShortChunkSoftPool 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
//
// ****** AUTO-GENERATED CLASS - DO NOT EDIT MANUALLY
// ****** Edit CharChunkSoftPool and run "./gradlew replicateSourcesAndChunks" to regenerate
//
// @formatter:off
package io.deephaven.chunk.util.pools;

import io.deephaven.util.type.ArrayTypeUtils;
import io.deephaven.chunk.attributes.Any;
import io.deephaven.chunk.*;
import io.deephaven.util.datastructures.SegmentedSoftPool;
import org.jetbrains.annotations.NotNull;

import static io.deephaven.chunk.util.pools.ChunkPoolConstants.*;

/**
 * {@link ChunkPool} implementation for chunks of shorts.
 */
@SuppressWarnings("rawtypes")
public final class ShortChunkSoftPool implements ShortChunkPool {

    private final WritableShortChunk EMPTY = WritableShortChunk.writableChunkWrap(ArrayTypeUtils.EMPTY_SHORT_ARRAY);

    /**
     * Sub-pools by power-of-two sizes for {@link WritableShortChunk}s.
     */
    private final SegmentedSoftPool[] writableShortChunks;

    /**
     * Sub-pool of {@link ResettableShortChunk}s.
     */
    private final SegmentedSoftPool resettableShortChunks;

    /**
     * Sub-pool of {@link ResettableWritableShortChunk}s.
     */
    private final SegmentedSoftPool resettableWritableShortChunks;

    ShortChunkSoftPool() {
        // noinspection unchecked
        writableShortChunks = new SegmentedSoftPool[NUM_POOLED_CHUNK_CAPACITIES];
        for (int pcci = 0; pcci < NUM_POOLED_CHUNK_CAPACITIES; ++pcci) {
            final int chunkLog2Capacity = pcci + SMALLEST_POOLED_CHUNK_LOG2_CAPACITY;
            final int chunkCapacity = 1 << chunkLog2Capacity;
            writableShortChunks[pcci] = new SegmentedSoftPool<>(
                    SUB_POOL_SEGMENT_CAPACITY,
                    () -> ChunkPoolInstrumentation
                            .getAndRecord(() -> WritableShortChunk.makeWritableChunkForPool(chunkCapacity)),
                    (final WritableShortChunk chunk) -> chunk.setSize(chunkCapacity));
        }
        resettableShortChunks = new SegmentedSoftPool<>(
                SUB_POOL_SEGMENT_CAPACITY,
                () -> ChunkPoolInstrumentation.getAndRecord(ResettableShortChunk::makeResettableChunkForPool),
                ResettableShortChunk::clear);
        resettableWritableShortChunks = new SegmentedSoftPool<>(
                SUB_POOL_SEGMENT_CAPACITY,
                () -> ChunkPoolInstrumentation.getAndRecord(ResettableWritableShortChunk::makeResettableChunkForPool),
                ResettableWritableShortChunk::clear);
    }

    @Override
    public ChunkPool asChunkPool() {
        return new ChunkPool() {
            @Override
            public  WritableChunk takeWritableChunk(final int capacity) {
                return takeWritableShortChunk(capacity);
            }

            @Override
            public  void giveWritableChunk(@NotNull final WritableChunk writableChunk) {
                giveWritableShortChunk(writableChunk.asWritableShortChunk());
            }

            @Override
            public  ResettableReadOnlyChunk takeResettableChunk() {
                return takeResettableShortChunk();
            }

            @Override
            public  void giveResettableChunk(
                    @NotNull final ResettableReadOnlyChunk resettableChunk) {
                giveResettableShortChunk(resettableChunk.asResettableShortChunk());
            }

            @Override
            public  ResettableWritableChunk takeResettableWritableChunk() {
                return takeResettableWritableShortChunk();
            }

            @Override
            public  void giveResettableWritableChunk(
                    @NotNull final ResettableWritableChunk resettableWritableChunk) {
                giveResettableWritableShortChunk(resettableWritableChunk.asResettableWritableShortChunk());
            }
        };
    }

    @Override
    public  WritableShortChunk takeWritableShortChunk(final int capacity) {
        if (capacity == 0) {
            // noinspection unchecked
            return (WritableShortChunk) EMPTY;
        }
        final int poolIndexForTake = getPoolIndexForTake(checkCapacityBounds(capacity));
        if (poolIndexForTake >= 0) {
            // noinspection resource
            final WritableShortChunk result = writableShortChunks[poolIndexForTake].take();
            result.setSize(capacity);
            // noinspection unchecked
            return ChunkPoolReleaseTracking.onTake(result);
        }
        // noinspection unchecked
        return ChunkPoolReleaseTracking.onTake(WritableShortChunk.makeWritableChunkForPool(capacity));
    }

    @Override
    public void giveWritableShortChunk(@NotNull final WritableShortChunk writableShortChunk) {
        if (writableShortChunk == EMPTY || writableShortChunk.isAlias(EMPTY)) {
            return;
        }
        ChunkPoolReleaseTracking.onGive(writableShortChunk);
        final int capacity = writableShortChunk.capacity();
        final int poolIndexForGive = getPoolIndexForGive(checkCapacityBounds(capacity));
        if (poolIndexForGive >= 0) {
            writableShortChunks[poolIndexForGive].give(writableShortChunk);
        }
    }

    @Override
    public  ResettableShortChunk takeResettableShortChunk() {
        // noinspection unchecked
        return ChunkPoolReleaseTracking.onTake(resettableShortChunks.take());
    }

    @Override
    public void giveResettableShortChunk(@NotNull final ResettableShortChunk resettableShortChunk) {
        resettableShortChunks.give(ChunkPoolReleaseTracking.onGive(resettableShortChunk));
    }

    @Override
    public  ResettableWritableShortChunk takeResettableWritableShortChunk() {
        // noinspection unchecked
        return ChunkPoolReleaseTracking.onTake(resettableWritableShortChunks.take());
    }

    @Override
    public void giveResettableWritableShortChunk(
            @NotNull final ResettableWritableShortChunk resettableWritableShortChunk) {
        resettableWritableShortChunks.give(ChunkPoolReleaseTracking.onGive(resettableWritableShortChunk));
    }
}