content: /*
   * 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 org.apache.beam.sdk.extensions.ordered;
  
  import com.google.auto.value.AutoValue;
  import java.io.Serializable;
  import org.apache.beam.sdk.schemas.AutoValueSchema;
  import org.apache.beam.sdk.schemas.annotations.DefaultSchema;
  
  /**
   * Event class to be used in testing.
   *
   * <p>The event simulate a string being emitted for a particular key, e.g., sensor id or customer
   * id.
   */
  @DefaultSchema(AutoValueSchema.class)
  @AutoValue
  public abstract class Event implements Serializable {
  
    public static Event create(long sequence, String groupId, String value) {
      return new AutoValue_Event(sequence, groupId, value);
    }
  
    /** @return event sequence number */
    public abstract long getSequence();
  
    /** @return the group id event is associated with */
    public abstract String getKey();
  
    /** @return value of the event */
    public abstract String getValue();
  }
  