sdks/java/io/google-cloud-platform/src/test/java/com/google/cloud/spanner/FakeBatchTransactionId.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.cloud.spanner;

import com.google.cloud.Timestamp;
import com.google.protobuf.ByteString;
import org.apache.beam.vendor.guava.v20_0.com.google.common.base.Objects;

/**
 * A fake {@link BatchTransactionId} object.
 *
 * <p>TODO: We cannot use mockito in tests because its serialization does not preserve the equals
 * semantics. Move this fake object to the Cloud Spanner library.
 */
public class FakeBatchTransactionId extends BatchTransactionId {
  private final String id;

  public FakeBatchTransactionId(String id) {
    super("", ByteString.copyFromUtf8(""), Timestamp.MIN_VALUE);
    this.id = id;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    FakeBatchTransactionId that = (FakeBatchTransactionId) o;
    return Objects.equal(id, that.id);
  }

  @Override
  public int hashCode() {
    return Objects.hashCode(id);
  }
}