/
BlockWorkerClientHeartbeatExecutor.java
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/
BlockWorkerClientHeartbeatExecutor.java
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/*
* The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
* (the "License"). You may not use this work except in compliance with the License, which is
* available at www.apache.org/licenses/LICENSE-2.0
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied, as more fully set forth in the License.
*
* See the NOTICE file distributed with this work for information regarding copyright ownership.
*/
package alluxio.client.block;
import alluxio.heartbeat.HeartbeatExecutor;
import com.google.common.base.Preconditions;
import javax.annotation.concurrent.ThreadSafe;
/**
* Session client sends periodical heartbeats to the worker it is talking to. If it fails to do so,
* the worker may withdraw the space granted to the particular session.
*/
@ThreadSafe
final class BlockWorkerClientHeartbeatExecutor implements HeartbeatExecutor {
private final BlockWorkerClient mBlockWorkerClient;
public BlockWorkerClientHeartbeatExecutor(BlockWorkerClient blockWorkerClient) {
mBlockWorkerClient = Preconditions.checkNotNull(blockWorkerClient);
}
@Override
public void heartbeat() {
mBlockWorkerClient.periodicHeartbeat();
}
@Override
public void close() {
// Not responsible for cleaning up blockWorkerClient
}
}