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/*
 * 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 org.apache.ratis.thirdparty.io.perfmark;

import 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() {} }





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