org.springframework.boot.actuate.autoconfigure.tracing.SpanProcessors Maven / Gradle / Ivy
/*
* Copyright 2012-2023 the original author or 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
*
* https://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.springframework.boot.actuate.autoconfigure.tracing;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Spliterator;
import io.opentelemetry.sdk.trace.SpanProcessor;
import org.springframework.util.Assert;
/**
* A collection of {@link SpanProcessor span processors}.
*
* @author Moritz Halbritter
* @since 3.2.0
*/
@FunctionalInterface
public interface SpanProcessors extends Iterable {
/**
* Returns the list of {@link SpanProcessor span processors}.
* @return the list of span processors
*/
List list();
@Override
default Iterator iterator() {
return list().iterator();
}
@Override
default Spliterator spliterator() {
return list().spliterator();
}
/**
* Constructs a {@link SpanProcessors} instance with the given {@link SpanProcessor
* span processors}.
* @param spanProcessors the span processors
* @return the constructed {@link SpanProcessors} instance
*/
static SpanProcessors of(SpanProcessor... spanProcessors) {
return of(Arrays.asList(spanProcessors));
}
/**
* Constructs a {@link SpanProcessors} instance with the given list of
* {@link SpanProcessor span processors}.
* @param spanProcessors the list of span processors
* @return the constructed {@link SpanProcessors} instance
*/
static SpanProcessors of(Collection spanProcessors) {
Assert.notNull(spanProcessors, "SpanProcessors must not be null");
List copy = List.copyOf(spanProcessors);
return () -> copy;
}
}