io.opencensus.trace.EndSpanOptions 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.trace;
import static com.google.guava4pingcap.base.Preconditions.checkNotNull;
import com.google.auto.value.AutoValue;
import javax.annotation.concurrent.Immutable;
/**
* A class that enables overriding the default values used when ending a {@link Span}. Allows
* overriding the {@link Status status}.
*/
@Immutable
@AutoValue
public abstract class EndSpanOptions {
/** The default {@code EndSpanOptions}. */
public static final EndSpanOptions DEFAULT = builder().build();
/**
* Returns a new {@link Builder} with default options.
*
* @return a new {@code Builder} with default options.
*/
public static Builder builder() {
return new AutoValue_EndSpanOptions.Builder().setStatus(Status.OK);
}
/**
* Returns the status.
*
* @return the status.
*/
public abstract Status getStatus();
/** Builder class for {@link EndSpanOptions}. */
@AutoValue.Builder
public abstract static class Builder {
/**
* Sets the status for the {@link Span}.
*
* If set, this will override the default {@code Span} status. Default is {@link Status#OK}.
*
* @param status the status.
* @return this.
*/
public abstract Builder setStatus(Status status);
abstract EndSpanOptions autoBuild(); // not public
/**
* Builds and returns a {@code EndSpanOptions} with the desired settings.
*
* @return a {@code EndSpanOptions} with the desired settings.
* @throws NullPointerException if {@code status} is {@code null}.
*/
public EndSpanOptions build() {
EndSpanOptions endSpanOptions = autoBuild();
checkNotNull(endSpanOptions.getStatus(), "status");
return endSpanOptions;
}
Builder() {}
}
EndSpanOptions() {}
}