com.google.common.truth.extensions.proto.AutoValue_DiffResult_UnknownFieldSetDiff Maven / Gradle / Ivy

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An extension for the Truth test assertion framework supporting Protocol Buffers.

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package com.google.common.truth.extensions.proto;

import com.google.common.base.Optional;
import com.google.common.collect.ImmutableListMultimap;
import com.google.errorprone.annotations.concurrent.LazyInit;
import com.google.protobuf.UnknownFieldSet;
import java.lang.Integer;
import java.lang.Iterable;
import java.lang.Override;
import java.lang.SuppressWarnings;

final class AutoValue_DiffResult_UnknownFieldSetDiff extends $AutoValue_DiffResult_UnknownFieldSetDiff {
  @LazyInit
  @SuppressWarnings("Immutable")
  private transient volatile Iterable childEntities;

  AutoValue_DiffResult_UnknownFieldSetDiff(Optional actual,
      Optional expected,
      ImmutableListMultimap singularFields) {
    super(actual, expected, singularFields);
  }

  @Override
  Iterable childEntities() {
    if (childEntities == null) {
      synchronized (this) {
        if (childEntities == null) {
          childEntities = super.childEntities();
          if (childEntities == null) {
            throw new NullPointerException("childEntities() cannot return null");
          }
        }
      }
    }
    return childEntities;
  }
}