| /* |
| * 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.trace.samplers; |
| |
| import io.opencensus.trace.Sampler; |
| import io.opencensus.trace.Span; |
| import io.opencensus.trace.SpanContext; |
| import io.opencensus.trace.SpanId; |
| import io.opencensus.trace.TraceId; |
| import java.util.List; |
| import javax.annotation.Nullable; |
| import javax.annotation.concurrent.Immutable; |
| |
| /** Sampler that always makes a "yes" decision on {@link Span} sampling. */ |
| @Immutable |
| final class AlwaysSampleSampler extends Sampler { |
| |
| AlwaysSampleSampler() {} |
| |
| // Returns always makes a "yes" decision on {@link Span} sampling. |
| @Override |
| public boolean shouldSample( |
| @Nullable SpanContext parentContext, |
| @Nullable Boolean hasRemoteParent, |
| TraceId traceId, |
| SpanId spanId, |
| String name, |
| List<Span> parentLinks) { |
| return true; |
| } |
| |
| @Override |
| public String getDescription() { |
| return toString(); |
| } |
| |
| @Override |
| public String toString() { |
| return "AlwaysSampleSampler"; |
| } |
| } |