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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 doubles.
 */
@SuppressWarnings("rawtypes")
public final class DoubleChunkSoftPool implements DoubleChunkPool {

    private final WritableDoubleChunk EMPTY = WritableDoubleChunk.writableChunkWrap(ArrayTypeUtils.EMPTY_DOUBLE_ARRAY);

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

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

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

    DoubleChunkSoftPool() {
        // noinspection unchecked
        writableDoubleChunks = 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;
            writableDoubleChunks[pcci] = new SegmentedSoftPool<>(
                    SUB_POOL_SEGMENT_CAPACITY,
                    () -> ChunkPoolInstrumentation
                            .getAndRecord(() -> WritableDoubleChunk.makeWritableChunkForPool(chunkCapacity)),
                    (final WritableDoubleChunk chunk) -> chunk.setSize(chunkCapacity));
        }
        resettableDoubleChunks = new SegmentedSoftPool<>(
                SUB_POOL_SEGMENT_CAPACITY,
                () -> ChunkPoolInstrumentation.getAndRecord(ResettableDoubleChunk::makeResettableChunkForPool),
                ResettableDoubleChunk::clear);
        resettableWritableDoubleChunks = new SegmentedSoftPool<>(
                SUB_POOL_SEGMENT_CAPACITY,
                () -> ChunkPoolInstrumentation.getAndRecord(ResettableWritableDoubleChunk::makeResettableChunkForPool),
                ResettableWritableDoubleChunk::clear);
    }

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

            @Override
            public  void giveWritableChunk(@NotNull final WritableChunk writableChunk) {
                giveWritableDoubleChunk(writableChunk.asWritableDoubleChunk());
            }

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

            @Override
            public  void giveResettableChunk(
                    @NotNull final ResettableReadOnlyChunk resettableChunk) {
                giveResettableDoubleChunk(resettableChunk.asResettableDoubleChunk());
            }

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

            @Override
            public  void giveResettableWritableChunk(
                    @NotNull final ResettableWritableChunk resettableWritableChunk) {
                giveResettableWritableDoubleChunk(resettableWritableChunk.asResettableWritableDoubleChunk());
            }
        };
    }

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

    @Override
    public void giveWritableDoubleChunk(@NotNull final WritableDoubleChunk writableDoubleChunk) {
        if (writableDoubleChunk == EMPTY || writableDoubleChunk.isAlias(EMPTY)) {
            return;
        }
        ChunkPoolReleaseTracking.onGive(writableDoubleChunk);
        final int capacity = writableDoubleChunk.capacity();
        final int poolIndexForGive = getPoolIndexForGive(checkCapacityBounds(capacity));
        if (poolIndexForGive >= 0) {
            writableDoubleChunks[poolIndexForGive].give(writableDoubleChunk);
        }
    }

    @Override
    public  ResettableDoubleChunk takeResettableDoubleChunk() {
        // noinspection unchecked
        return ChunkPoolReleaseTracking.onTake(resettableDoubleChunks.take());
    }

    @Override
    public void giveResettableDoubleChunk(@NotNull final ResettableDoubleChunk resettableDoubleChunk) {
        resettableDoubleChunks.give(ChunkPoolReleaseTracking.onGive(resettableDoubleChunk));
    }

    @Override
    public  ResettableWritableDoubleChunk takeResettableWritableDoubleChunk() {
        // noinspection unchecked
        return ChunkPoolReleaseTracking.onTake(resettableWritableDoubleChunks.take());
    }

    @Override
    public void giveResettableWritableDoubleChunk(
            @NotNull final ResettableWritableDoubleChunk resettableWritableDoubleChunk) {
        resettableWritableDoubleChunks.give(ChunkPoolReleaseTracking.onGive(resettableWritableDoubleChunk));
    }
}