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The official Couchbase Java SDK
There is a newer version: 3.7.6
/*
 * Copyright (c) 2019 Couchbase, Inc.
 *
 * 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 com.couchbase.client.java.query;

import com.couchbase.client.core.api.query.CoreQueryMetrics;

import java.time.Duration;

/**
 * Query Metrics contains the query result metrics containing counts and timings
 *
 * @since 3.0.0
 */
public class QueryMetrics {

  private final CoreQueryMetrics internal;

  QueryMetrics(CoreQueryMetrics internal) {
    this.internal = internal;
  }

  /**
   * @return The total time taken for the request, that is the time from when the
   * request was received until the results were returned, in a human-readable
   * format (eg. 123.45ms for a little over 123 milliseconds).
   */
  public Duration elapsedTime() {
    return internal.elapsedTime();
  }

  /**
   * @return The time taken for the execution of the request, that is the time from
   * when query execution started until the results were returned, in a human-readable
   * format (eg. 123.45ms for a little over 123 milliseconds).
   */
  public Duration executionTime() {
    return internal.executionTime();
  }

  /**
   * @return the total number of results selected by the engine before restriction
   * through LIMIT clause.
   */
  public long sortCount() {
    return internal.sortCount();
  }

  /**
   * @return The total number of objects in the results.
   */
  public long resultCount() {
    return internal.resultCount();
  }

  /**
   * @return The total number of bytes in the results.
   */
  public long resultSize() {
    return internal.resultSize();
  }

  /**
   * @return The number of mutations that were made during the request.
   */
  public long mutationCount() {
    return internal.mutationCount();
  }

  /**
   * @return The number of errors that occurred during the request.
   */
  public long errorCount() {
    return internal.errorCount();
  }

  /**
   * @return The number of warnings that occurred during the request.
   */
  public long warningCount() {
    return internal.warningCount();
  }

  @Override
  public String toString() {
    return internal.toString();
  }
}