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//
// 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 longs.
 */
@SuppressWarnings("rawtypes")
public final class LongChunkSoftPool implements LongChunkPool {

    private final WritableLongChunk EMPTY = WritableLongChunk.writableChunkWrap(ArrayTypeUtils.EMPTY_LONG_ARRAY);

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

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

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

    LongChunkSoftPool() {
        // noinspection unchecked
        writableLongChunks = 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;
            writableLongChunks[pcci] = new SegmentedSoftPool<>(
                    SUB_POOL_SEGMENT_CAPACITY,
                    () -> ChunkPoolInstrumentation
                            .getAndRecord(() -> WritableLongChunk.makeWritableChunkForPool(chunkCapacity)),
                    (final WritableLongChunk chunk) -> chunk.setSize(chunkCapacity));
        }
        resettableLongChunks = new SegmentedSoftPool<>(
                SUB_POOL_SEGMENT_CAPACITY,
                () -> ChunkPoolInstrumentation.getAndRecord(ResettableLongChunk::makeResettableChunkForPool),
                ResettableLongChunk::clear);
        resettableWritableLongChunks = new SegmentedSoftPool<>(
                SUB_POOL_SEGMENT_CAPACITY,
                () -> ChunkPoolInstrumentation.getAndRecord(ResettableWritableLongChunk::makeResettableChunkForPool),
                ResettableWritableLongChunk::clear);
    }

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

            @Override
            public  void giveWritableChunk(@NotNull final WritableChunk writableChunk) {
                giveWritableLongChunk(writableChunk.asWritableLongChunk());
            }

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

            @Override
            public  void giveResettableChunk(
                    @NotNull final ResettableReadOnlyChunk resettableChunk) {
                giveResettableLongChunk(resettableChunk.asResettableLongChunk());
            }

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

            @Override
            public  void giveResettableWritableChunk(
                    @NotNull final ResettableWritableChunk resettableWritableChunk) {
                giveResettableWritableLongChunk(resettableWritableChunk.asResettableWritableLongChunk());
            }
        };
    }

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

    @Override
    public void giveWritableLongChunk(@NotNull final WritableLongChunk writableLongChunk) {
        if (writableLongChunk == EMPTY || writableLongChunk.isAlias(EMPTY)) {
            return;
        }
        ChunkPoolReleaseTracking.onGive(writableLongChunk);
        final int capacity = writableLongChunk.capacity();
        final int poolIndexForGive = getPoolIndexForGive(checkCapacityBounds(capacity));
        if (poolIndexForGive >= 0) {
            writableLongChunks[poolIndexForGive].give(writableLongChunk);
        }
    }

    @Override
    public  ResettableLongChunk takeResettableLongChunk() {
        // noinspection unchecked
        return ChunkPoolReleaseTracking.onTake(resettableLongChunks.take());
    }

    @Override
    public void giveResettableLongChunk(@NotNull final ResettableLongChunk resettableLongChunk) {
        resettableLongChunks.give(ChunkPoolReleaseTracking.onGive(resettableLongChunk));
    }

    @Override
    public  ResettableWritableLongChunk takeResettableWritableLongChunk() {
        // noinspection unchecked
        return ChunkPoolReleaseTracking.onTake(resettableWritableLongChunks.take());
    }

    @Override
    public void giveResettableWritableLongChunk(
            @NotNull final ResettableWritableLongChunk resettableWritableLongChunk) {
        resettableWritableLongChunks.give(ChunkPoolReleaseTracking.onGive(resettableWritableLongChunk));
    }
}