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Common functionaliy for EventStore client.

There is a newer version: 0.3.5

package com.mercateo.eventstore.domain;

import java.util.Objects;
import javax.annotation.Generated;
import javax.annotation.Nullable;
import javax.annotation.ParametersAreNonnullByDefault;
import javax.annotation.concurrent.Immutable;

/**
 * Immutable implementation of {@link _EventVersion}.
 * 
 * Use the static factory method to create immutable instances:
 * {@code EventVersion.of()}.
 */
@SuppressWarnings({"all"})
@ParametersAreNonnullByDefault
@Generated({"Immutables.generator", "_EventVersion"})
@Immutable
public final class EventVersion extends com.mercateo.eventstore.domain._EventVersion {
  private final Integer value;

  private EventVersion(Integer value) {
    this.value = Objects.requireNonNull(value, "value");
  }

  /**
   * @return The value of the {@code value} attribute
   */
  @Override
  public Integer value() {
    return value;
  }

  /**
   * This instance is equal to all instances of {@code EventVersion} that have equal attribute values.
   * @return {@code true} if {@code this} is equal to {@code another} instance
   */
  @Override
  public boolean equals(@Nullable Object another) {
    if (this == another) return true;
    return another instanceof EventVersion
        && equalTo((EventVersion) another);
  }

  private boolean equalTo(EventVersion another) {
    return value.equals(another.value);
  }

  /**
   * Computes a hash code from attributes: {@code value}.
   * @return hashCode value
   */
  @Override
  public int hashCode() {
    int h = 5381;
    h += (h << 5) + value.hashCode();
    return h;
  }

  /**
   * Construct a new immutable {@code EventVersion} instance.
   * @param value The value for the {@code value} attribute
   * @return An immutable EventVersion instance
   */
  public static EventVersion of(Integer value) {
    return new EventVersion(value);
  }
}