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    • io.deephaven.kafka.ingest.FieldCopierProcessorImpl Maven / Gradle / Ivy

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    /**
 * Copyright (c) 2016-2023 Deephaven Data Labs and Patent Pending
 */
package io.deephaven.kafka.ingest;

import io.deephaven.chunk.ObjectChunk;
import io.deephaven.chunk.WritableChunk;
import io.deephaven.chunk.attributes.Values;
import io.deephaven.processor.ObjectProcessor;

import java.util.List;
import java.util.Objects;

final class FieldCopierProcessorImpl implements FieldCopier {

    private final ObjectProcessor processor;

    FieldCopierProcessorImpl(ObjectProcessor processor) {
        this.processor = Objects.requireNonNull(processor);
    }

    @Override
    public void copyField(ObjectChunk inputChunk, WritableChunk publisherChunk,
            int sourceOffset, int destOffset, int length) {
        final int originalSize = publisherChunk.size();
        publisherChunk.setSize(destOffset);
        try {
            processor.processAll(inputChunk.slice(sourceOffset, length), List.of(publisherChunk));
        } finally {
            publisherChunk.setSize(originalSize);
        }
    }
}
    
    
    
    

    




    
    
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