BulkStringHeaderRedisMessage Class — netty Architecture

Source Code

codec-redis/src/main/java/io/netty/handler/codec/redis/BulkStringHeaderRedisMessage.java lines 23–55

@UnstableApi
public class BulkStringHeaderRedisMessage implements RedisMessage {

    private final int bulkStringLength;

    /**
     * Creates a {@link BulkStringHeaderRedisMessage}.
     *
     * @param bulkStringLength follow content length.
     */
    public BulkStringHeaderRedisMessage(int bulkStringLength) {
        if (bulkStringLength <= 0) {
            throw new RedisCodecException("bulkStringLength: " + bulkStringLength + " (expected: > 0)");
        }
        this.bulkStringLength = bulkStringLength;
    }

    /**
     * Return {@code bulkStringLength} for this content.
     */
    public final int bulkStringLength() {
        return bulkStringLength;
    }

    /**
     * Returns whether the content of this message is {@code null}.
     *
     * @return indicates whether the content of this message is {@code null}.
     */
    public boolean isNull() {
        return bulkStringLength == RedisConstants.NULL_VALUE;
    }
}