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Core classes for Anoa library, which aims to be a safe, convenient and fast record de/serialization wrapper for the Avro, Thrift and Jackson libraries, using the functional idioms of Java 8. The anoa-core module tries to keep upstream dependencies to a minimum.

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package com.adgear.anoa;

import java.util.Objects;
import java.util.function.Function;

/**
 * Functional interface for exception handlers with no extra arguments
 *
 * @param  Metadata type
 */
public interface Handler0 extends Function {

  /**
   * Convenience factory method for transforming handlers which map an exception to a single
   * meta-datum.
   *
   * @param mapToMetaDatum exception handler
   * @param  Metadata type
   * @return an instance wrapping the result of {@code mapToMetaDatum} in an array.
   */
  static  /*@NonNull*/ Handler0 of(
      /*@NonNull*/ Function mapToMetaDatum) {
    Objects.requireNonNull(mapToMetaDatum);
    return t -> AnoaHandler.arraySize1(mapToMetaDatum.apply(t));
  }
}