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The official Couchbase JVM Core IO Library
/*
* Copyright 2019 Google LLC
*
* 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.couchbase.client.core.deps.io.perfmark;
import com.couchbase.client.core.deps.com.google.errorprone.annotations.DoNotCall;
/**
* A link represents a linkage between asynchronous tasks. A link is created inside of a started
* task. The resulting {@link Link} object can then be passed to other asynchronous tasks to
* associate them with the original task.
*
* A source task may have multiple outbound links pointing to other tasks. However, calling
* {@code PerfMark.linkIn(Link)} only work if it is the first such call. Subsequent calls have no
* effect.
*/
public final class Link {
final long linkId;
Link(long linkId) {
this.linkId = linkId;
}
/** DO NOT CALL, no longer implemented. Use {@link PerfMark#linkIn} instead. */
@Deprecated
@DoNotCall
public void link() {}
}