io.opencensus.internal.NoopScope Maven / Gradle / Ivy
/*
* 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 io.opencensus.internal;
import 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() {}
}