nl.topicus.jdbc.shaded.io.opencensus.internal.NoopScope Maven / Gradle / Ivy

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JDBC Driver for Google Cloud Spanner

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/*
 * Copyright 2017, 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 nl.topicus.jdbc.shaded.io.opencensus.internal;

import nl.topicus.jdbc.shaded.io.opencensus.common.Scope;

/** A {@link Scope} that does nothing when it is created or closed. */
public final class NoopScope implements Scope {
  private static final Scope INSTANCE = new NoopScope();

  private NoopScope() {}

  /**
   * Returns a {@code NoopScope}.
   *
   * @return a {@code NoopScope}.
   */
  public static Scope getInstance() {
    return INSTANCE;
  }

  @Override
  public void close() {}
}