com.netflix.spectator.api.NoopDynamicId Maven / Gradle / Ivy
/**
* Copyright 2015 Netflix, 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.netflix.spectator.api;
import java.util.Collections;
import java.util.Map;
/**
* DynamicId implementation for the no-op registry.
*
* Created on 8/27/15.
*/
final class NoopDynamicId implements DynamicId {
/** Singleton instance. */
static final DynamicId INSTANCE = new NoopDynamicId();
private NoopDynamicId() {
}
@Override public String name() {
return "noop";
}
@Override public Iterable tags() {
return Collections.emptyList();
}
@Override public DynamicId withTag(String k, String v) {
return this;
}
@Override public DynamicId withTag(Tag tag) {
return this;
}
@Override public DynamicId withTags(Iterable tags) {
return this;
}
@Override public DynamicId withTags(Map tags) {
return this;
}
@Override public String toString() {
return name();
}
@Override public DynamicId withTagFactory(TagFactory factory) {
return this;
}
@Override public DynamicId withTagFactories(Iterable factories) {
return this;
}
@Override public Id resolveToId() {
return NoopId.INSTANCE;
}
}