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/*
 * Copyright 2019, OpenCensus Authors
 *
 * Licensed 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 io.opencensus.exporter.trace.datadog;

import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.util.Map;
import javax.annotation.Nullable;

@SuppressFBWarnings("URF_UNREAD_FIELD")
@SuppressWarnings("unused")
class DatadogSpan {
  // Required. The unique integer (64-bit unsigned) ID of the trace containing this span.
  private final long traceId;
  // Required. The span integer (64-bit unsigned) ID.
  private final long spanId;
  // Required. The span name. The span name must not be longer than 100 characters.
  private final String name;
  // Required. The resource you are tracing. The resource name must not be longer than 5000
  // characters.
  // A resource is a particular action for a service.
  private final String resource;
  // Required. The service you are tracing. The service name must not be longer than 100 characters.
  private final String service;
  // Required. The type of request.
  private final String type;
  // Required. The start time of the request in nanoseconds from the unix epoch.
  private final long start;
  // Required. The duration of the request in nanoseconds.
  private final long duration;
  // Optional. The span integer ID of the parent span.
  @Nullable private final Long parentId;
  // Optional. Set this value to 1 to indicate if an error occured. If an error occurs, you
  // should pass additional information, such as the error message, type and stack information
  // in the meta property.
  @Nullable private final Integer error;
  // Optional. A dictionary of key-value metadata. e.g. tags.
  @Nullable private final Map meta;

  long getTraceId() {
    return traceId;
  }

  DatadogSpan(
      final long traceId,
      final long spanId,
      final String name,
      final String resource,
      final String service,
      final String type,
      final long start,
      final long duration,
      @Nullable final Long parentId,
      @Nullable final Integer error,
      @Nullable final Map meta) {
    this.traceId = traceId;
    this.spanId = spanId;
    this.name = name;
    this.resource = resource;
    this.service = service;
    this.type = type;
    this.start = start;
    this.duration = duration;
    this.parentId = parentId;
    this.error = error;
    this.meta = meta;
  }
}