| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.skywalking.apm.toolkit.opentracing; |
| |
| import io.opentracing.ActiveSpan; |
| import io.opentracing.BaseSpan; |
| import io.opentracing.References; |
| import io.opentracing.Span; |
| import io.opentracing.SpanContext; |
| import io.opentracing.Tracer; |
| import io.opentracing.tag.Tags; |
| |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| /** |
| * @author wusheng |
| */ |
| public class SkywalkingSpanBuilder implements Tracer.SpanBuilder { |
| private List<Tag> tags = new LinkedList<Tag>(); |
| private String operationName; |
| private boolean isEntry = false; |
| private boolean isExit = false; |
| private int port; |
| private String peer; |
| private String componentName; |
| private boolean isError = false; |
| private long startTime; |
| |
| public SkywalkingSpanBuilder(String operationName) { |
| this.operationName = operationName; |
| } |
| |
| @Override |
| public Tracer.SpanBuilder asChildOf(SpanContext parent) { |
| if (parent instanceof SkywalkingContext) { |
| return this; |
| } |
| throw new IllegalArgumentException("parent must be type of SpanContext"); |
| } |
| |
| @Override |
| public Tracer.SpanBuilder asChildOf(BaseSpan<?> parent) { |
| if (parent instanceof SkywalkingSpan || parent instanceof SkywalkingActiveSpan) { |
| return this; |
| } |
| throw new IllegalArgumentException("parent must be type of SkywalkingSpan"); |
| } |
| |
| /** |
| * Ignore the reference type. the span always the entry or has a parent span. |
| * |
| * @param referenceType |
| * @param referencedContext |
| * @return |
| */ |
| @Override |
| public Tracer.SpanBuilder addReference(String referenceType, SpanContext referencedContext) { |
| if (References.FOLLOWS_FROM.equals(referenceType)) { |
| throw new IllegalArgumentException("only support CHILD_OF reference"); |
| } |
| return asChildOf(referencedContext); |
| } |
| |
| @Override |
| public Tracer.SpanBuilder withTag(String key, String value) { |
| if (Tags.COMPONENT.getKey().equals(key)) { |
| componentName = value; |
| } else if (Tags.SPAN_KIND.getKey().equals(key)) { |
| if (Tags.SPAN_KIND_CLIENT.equals(value) || Tags.SPAN_KIND_PRODUCER.equals(value)) { |
| isEntry = false; |
| isExit = true; |
| } else if (Tags.SPAN_KIND_SERVER.equals(value) || Tags.SPAN_KIND_CONSUMER.equals(value)) { |
| isEntry = true; |
| isExit = false; |
| } else { |
| isEntry = false; |
| isExit = false; |
| } |
| } else if (Tags.PEER_HOST_IPV4.getKey().equals(key) || Tags.PEER_HOST_IPV6.getKey().equals(key) |
| || Tags.PEER_HOSTNAME.getKey().equals(key)) { |
| peer = value; |
| } else if (Tags.PEER_SERVICE.getKey().equals(key)) { |
| operationName = value; |
| } else { |
| tags.add(new Tag(key, value)); |
| } |
| return this; |
| } |
| |
| @Override |
| public Tracer.SpanBuilder withTag(String key, boolean value) { |
| if (Tags.ERROR.equals(key)) { |
| isError = value; |
| } else { |
| tags.add(new Tag(key, value ? "true" : "false")); |
| } |
| return this; |
| } |
| |
| @Override |
| public Tracer.SpanBuilder withTag(String key, Number value) { |
| if (Tags.PEER_PORT.getKey().equals(key)) { |
| port = value.intValue(); |
| } else { |
| tags.add(new Tag(key, value.toString())); |
| } |
| return this; |
| } |
| |
| @Override |
| public Tracer.SpanBuilder withStartTimestamp(long microseconds) { |
| startTime = microseconds; |
| return this; |
| } |
| |
| @Override |
| public ActiveSpan startActive() { |
| return new SkywalkingActiveSpan(new SkywalkingSpan(this)); |
| } |
| |
| @Override |
| public Span startManual() { |
| return new SkywalkingSpan(this); |
| } |
| |
| @Override |
| @Deprecated |
| public Span start() { |
| return startManual(); |
| } |
| |
| /** |
| * All the get methods are for accessing data from activation |
| */ |
| public List<Tag> getTags() { |
| return tags; |
| } |
| |
| public String getOperationName() { |
| return operationName; |
| } |
| |
| public boolean isEntry() { |
| return isEntry; |
| } |
| |
| public boolean isExit() { |
| return isExit; |
| } |
| |
| public int getPort() { |
| return port; |
| } |
| |
| public String getPeer() { |
| return peer; |
| } |
| |
| public String getComponentName() { |
| return componentName; |
| } |
| |
| public boolean isError() { |
| return isError; |
| } |
| |
| public long getStartTime() { |
| return startTime; |
| } |
| |
| /** |
| * All the following methods are needed for activation. |
| */ |
| @Override |
| @NeedSnifferActivation("Stop the active span.") |
| public Tracer.SpanBuilder ignoreActiveSpan() { |
| return this; |
| } |
| } |