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# Class: VertxKafkaClient::KafkaConsumerRecords

Inherits:
  Object
  - Object
  - VertxKafkaClient::KafkaConsumerRecords
  show all
Defined in:
  /Users/julien/java/vertx-stack/stack-docs/target/rb/vertx-kafka-client/kafka_consumer_records.rb

## Overview

Vert.x Kafka consumer records

## Instance Method Summary (collapse)

- - (true, false) empty?
  Whether this batch contains any records.
- - (::VertxKafkaClient::KafkaConsumerRecord) record_at(index = nil)
  Get the record at the given index.
- - (Fixnum) size
  The total number of records in this batch.

## Instance Method Details

### - (`true`, `false`) empty?

Returns whether this batch contains any records

Returns:

- (`true`, `false`) —
  whether this batch contains any records

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx-kafka-client/kafka_consumer_records.rb', line 27

    def empty?
      if !block_given?
        return @j_del.java_method(:isEmpty, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling empty?()"
    end

### - (`::VertxKafkaClient::KafkaConsumerRecord`) record_at(index = nil)

Get the record at the given index

Parameters:

- index (`Fixnum`) (defaults to: `nil`) —
  the index of the record to get

Returns:

- (`::VertxKafkaClient::KafkaConsumerRecord`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx-kafka-client/kafka_consumer_records.rb', line 36

    def record_at(index=nil)
      if index.class == Fixnum && !block_given?
        return ::Vertx::Util::Utils.safe_create(@j_del.java_method(:recordAt, [Java::int.java_class]).call(index),::VertxKafkaClient::KafkaConsumerRecord, nil, nil)
      end
      raise ArgumentError, "Invalid arguments when calling record_at(#{index})"
    end

### - (`Fixnum`) size

Returns the total number of records in this batch

Returns:

- (`Fixnum`) —
  the total number of records in this batch

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx-kafka-client/kafka_consumer_records.rb', line 20

    def size
      if !block_given?
        return @j_del.java_method(:size, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling size()"
    end